Breaking the pain contract: A better controlled-substance agreement for patients on chronic opioid therapy

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Breaking the pain contract: A better controlled-substance agreement for patients on chronic opioid therapy

Regulatory bodies and professional societies have encouraged or mandated written pain treatment agreements for over a decade as a way to establish informed consent, improve adherence, and mitigate risk. Unfortunately, the content of these agreements varies, their efficacy is uncertain, and some are stigmatizing or coercive and jeopardize trust. Additionally, many are written at reading levels beyond most patients’ understanding. However, we believe a well-written agreement is still an important tool in chronic pain management.

In this article, we explore common limitations of current pain treatment “contracts” and propose strategies to improve their usefulness and acceptance.

PAIN AND ITS TREATMENT HAVE COSTS

Chronic pain affects 100 million US adults and is estimated to cost $635 billion each year in treatment, lost wages, and reduced productivity.1

Opioid therapy for chronic noncancer pain is being called into question,2–5 and a 2016 guideline from the US Centers for Disease Control and Prevention has called for more limited and judicious use of opioids in primary care.6 Nevertheless, long-term opioid therapy is probably helpful in some circumstances and will likely continue to have a role in chronic pain management for the foreseeable future.7

Concerns about opioids include risks of overdose and death. Unintentional drug overdoses, typically with opioids, exceeded motor vehicle accidents in 2009 as the leading cause of accidental death in the United States8; by 2014, nearly one and a half times as many people were dying of a drug overdose than of a car accident.9 Even when used appropriately, opioids are associated with sedation, falls, motor vehicle accidents, addiction, and unintended overdose.10

The potential harm extends beyond the patient to the community at large. Diversion of prescription drugs for nonmedical use is common11 and, after marijuana and alcohol abuse, is the most common form of drug abuse in the United States.12 Misuse of prescription drugs costs health insurers an estimated $72.5 billion each year—a cost largely passed on to consumers through higher premiums.13 Most individuals who abuse prescription opioids get them from friends and family, sometimes by stealing them.14

THE SPECIAL ROLE OF THE PRIMARY CARE PHYSICIAN

Chronic pain is extremely prevalent in general internal medicine and primary care practice.15,16 It has tremendous associated medical, social, and economic costs.1

In light of the risks and complexity of opioid use and the increasing regulatory requirements for safe prescribing, some primary care physicians have stopped prescribing opioids altogether and refer patients elsewhere for pain management.

This does a disservice to patients. Primary care physicians cannot entirely avoid chronic pain management or absolutely refuse to prescribe opioids in all circumstances and still provide quality care. And although some primary care physicians may need more training in prescribing opioids, their comprehensive understanding of the patient’s other health issues enables them to address the psychosocial generators and consequences of the patient’s chronic pain more fully than a specialist can.

Furthermore, access to board-certified pain specialists is limited. There are only four such specialists for every 100,000 patients with chronic pain,17 and those who are available often restrict the types of insurance they accept, disproportionately excluding Medicaid patients.

We encourage primary care physicians to undertake continuing medical education and professional development as needed to prescribe opioids as safely and effectively as possible.

A CONTROLLED-SUBSTANCE AGREEMENT INSTEAD OF A ‘NARCOTIC CONTRACT’

To address the challenges of long-term opioid therapy, many state officials, medical licensing boards, professional societies, and other regulatory bodies recommend proactive monitoring and management of prescribing risks. Often promoted and sometimes mandated is the use of a written pain treatment agreement, sometimes called a “pain contract” or “narcotic contract,” in which the patient and the physician ostensibly agree to various conditions under which opioids will be prescribed or discontinued. Although well-intentioned, these documents can cause several problems.

Contracts were being advocated in treating opiate addiction as early as 1981.18 Since then, the term “narcotic contract” has become widely used, even as most professional guidelines have now moved away from using it. A Google search for the term on November 27, 2015, yielded 2,000 results, with numerous examples of the documents in clinical use.

But the phrase is misleading, and we believe physicians should avoid using it. Clinically, the word “narcotic” is imprecise and can refer to substances other than opioids. For example, the US Controlled Substances Act lists cocaine as a narcotic.19 The word also carries a stigma, as law enforcement agencies and drug abuse programs commonly use phrases such as “narcotic task force” or “narcotic treatment program.” On the other hand, the more accurate term “opioid” may be unfamiliar to patients. We recommend using the term “controlled substance” instead.

Similarly, the word “contract” can be perceived as coercive, can erode physician-patient trust, and implies that failure to agree to it will result in loss of access to pain medications.20–23

For these reasons, we encourage physicians to adopt the phrase “controlled-substance agreement” or something similar. This label accurately reflects the specificity of the treatment and connotes a partnership between patient and physician. Furthermore, it allows the physician to use the agreement when prescribing other controlled substances such as benzodiazepines and stimulants that also carry a risk of addiction, misuse, and adverse effects.

STIGMATIZING THE PATIENT

Although no studies have systematically assessed the style and tone of available treatment agreements, many of the agreements seem to stigmatize the patient, using language that is mistrustful, accusatory, and even confrontational and that implies that the patient will misuse or abuse the medications.21,24 For example, “Failure to comply with the terms of the contract will risk loss of medication or discharge from the medical practice” is inflammatory and coercive, but variations of this phrase appear in many of the results of the aforementioned Google search.

Such language defeats attempts to communicate openly and implies a deprecatory attitude towards patients. Stigmatization may result in undertreatment of pain, physician refusal to prescribe opioids, and patient refusal to submit to the terms of a one-sided agreement perceived as unfair. Therefore, poorly written opioid agreements impair the trust necessary for a therapeutic physician-patient relationship and can interfere with optimal pain management.20–23

Some physicians stigmatize inadvertently. Believing that they can identify which patients will misuse their prescriptions, they use controlled-substance agreements only in this subgroup. But in fact, physicians are notoriously poor at predicting which patients will misuse prescription opioids or suffer adverse effects.25 Therefore, it is important to be transparent and consistent with monitoring practices for all patients on chronic opioid therapy.26

Framing the controlled-substance agreement in terms of safety and using it universally can minimize miscommunication and unintentional stigmatization.

SHARED DECISION-MAKING AND CHRONIC OPIOID THERAPY

We recommend using controlled-substance agreements only in the context of personalized patient counseling and shared decision-making.

Shared decision-making promotes mutual respect between patients and physicians, is feasible to implement in primary care, and may improve health outcomes.27,28 A study found that physicians who received 2 hours of training in shared decision-making for chronic opioid therapy were more likely to complete treatment agreements and set mutually agreed-upon functional goals with patients, and they felt more confident, competent, and comfortable treating chronic pain.29 Additionally, after learning about the risks, some patients may choose to forgo opioid therapy.

To be consistent with shared decision-making, the controlled-substance agreement must:

  • Engage the patient, emphasizing the shared, reciprocal obligations of physician and patient
  • Address goals of treatment that are personalized and mutually agreed-upon and that incorporate the patient’s values and preferences
  • Explain treatment options in a way that is understandable and informative for the patient.

Table 1 outlines other key elements in detail.27,30,31

Shared decision-making is especially useful when the balance between the risks and benefits of a treatment plan is uncertain. It is not a substitute for medical expertise, and a patient’s preferences do not override the physician’s clinical judgment. A physician should not offer or implement chronic opioid therapy if he or she believes it is not indicated or is contraindicated, or that the risks for that patient clearly outweigh the benefits.32

THE CONTROLLED-SUBSTANCE AGREEMENT: FOUR OBJECTIVES

Stigmatizing language in the controlled-substance agreement may result from physician ambivalence regarding its intent and objectives. For example, some may perceive the agreement as a way to facilitate communication, while others may use it in a possibly unethical manner to control patient behavior with the threat of cutting off access to pain medication.33

Controlled-substance agreements have four commonly identified objectives,34 explored further below:

  • To improve adherence with the safe use of controlled substances while reducing aberrant behaviors
  • To obtain informed consent
  • To outline the prescribing policies of the practice
  • To mitigate the prescriber’s legal risk.
 

 

Improving adherence

Many authors say that the primary goal of the controlled-substance agreement is to promote the use of the medication as prescribed, without variance, and from one physician only.35–38 This goal seems reasonable. However, many other classes of medications are also risky when used aberrantly, and we do not ask the patient to sign an agreement when we prescribe them. This double standard may reflect both the inherently higher risks associated with controlled substances and physician ambivalence regarding their use.

Regardless, the efficacy of controlled­substance agreements in improving safe-use adherence and reducing aberrant medication-taking behaviors is uncertain. A 2010 systematic review based on observational and largely poor-quality studies concluded that using treatment agreements along with urine drug testing modestly reduced opioid misuse,39 while other reports have called their efficacy into question.40 We remain optimistic that well-written controlled-substance agreements can advance this objective, and that absence of evidence is not evidence of absence—ie, lack of efficacy. However, the data are not yet clear.

Interestingly, a 2014 survey found that most primary care physicians thought that controlled-substance agreements do not meaningfully reduce opioid misuse but do give a sense of protection against liability.41 Additionally, these documents are associated with a greater sense of physician satisfaction and mastery,42 and for some physicians these reasons may be enough to justify their use.

Somewhat alarmingly though, one study suggests that many patients do not even know that they signed a treatment agreement.43 Using a controlled-substance agreement without the full awareness and engagement of the patient cannot promote adherence and is likely counterproductive.

Obtaining informed consent

It is essential to discuss possible benefits and risks so that informed and shared decision-making can occur.

Controlled-substance agreements may advance this aim if carefully written, although medical practices often design them for use across a spectrum of patients with varying indications, contraindications, and risks, making these documents inherently inflexible. A one-size-fits-all document does not allow for meaningful personalization and is insufficient without patient-centered counseling.

We strongly recommend that treatment agreements complement but not replace personalized patient-centered counseling about individual risks and benefits. Well-written controlled-substance agreements may reduce the chance of overlooking key risks and launch further customized discussion. Additionally, they can be written in a manner that allows patients and physicians to agree on and document personalized goals (Table 2).

Furthermore, when crafted within a risk-benefit framework, a controlled-substance agreement can help to clarify an ethically important concept, ie, that the physician is judging the safety and appropriateness of the treatment, not the character of the patient.44 The prescriber can focus on evaluating the risks and benefits of treatment choices, not being a police officer or a judge of how “deserving” of opioid therapy the patient is.

Importantly, for patients to provide meaningful informed consent, the agreement must be understandable. A study of 162 opioid treatment agreements found that on average, they were written at a 14th grade level, which is beyond the reading comprehension of most patients.45 Another study evaluated patients’ ability to understand and follow instructions on labels for common prescriptions; even though 70% of the patients could read the labels, only 34.7% could demonstrate the instructions “take two tablets by mouth twice daily.”46

We recommend analyzing all controlled- substance agreements for readability by assessing their Flesch-Kincaid grade level or a similar literacy assessment, using readily available computer apps. The average education level of the patients cared for in each practice will vary based on the demographic served, and the controlled-substance agreement can be modified accordingly, but typically writing the document at the 6th- to 7th-grade reading level is suggested.

Outlining practice policies

Opioids are federally controlled substances with prescribing restrictions that vary based on the drug’s Drug Enforcement Agency schedule. State laws and regulations also govern opioid prescribing and are constantly evolving.47

Refilling opioid prescriptions should be a deliberate process during which the prescriber reviews the appropriateness of the medication and issues the prescription as safely as possible.

To promote practice consistency and to share expectations transparently with patients, we recommend spelling out in the agreement your policies on:

  • Who can manage this patient’s opioid therapy
  • How to handle refill requests after hours and on weekends
  • When and how patients should request opioid refills
  • Which pharmacies patients will use
  • Whether the practice allows others to pick up refills for the patient.

This not only serves as a reference for patients, who keep a copy for their records, it also reduces the risk of inconsistent processes within the office, which will quickly lead to chaos and confusion among patients and physicians alike. Inconsistent prescription and refill practices can give the impression that a double standard exists and that some patients get more leeway than others, without apparent justification.

There is little evidence that this approach truly improves practice efficiency,34,48 but we believe that it may avert future confusion and conflict.

Mitigating the prescriber’s risk

Most licensing boards and clinical guidelines recommend controlled-substance agreements as part of opioid risk mitigation. These documents are now the standard of care, with many bodies recommending or mandating them, including the Federation of State Medical Boards,49 many states,50 Physicians for Responsible Opioid Prescribing,51 the American Academy of Pain Management,52 and the American Pain Society along with the American Academy of Pain Medicine.53

Historically, primary care physicians have used controlled-substance agreements inconsistently and primarily for patients believed to be at high risk of misuse.54 However, because physicians cannot accurately predict who will misuse or divert medications,25 controlled-substance agreements should be used universally, ie, for all patients prescribed controlled substances.

A controlled-substance agreement can serve as documentation. The patient can keep a copy for future reference, and a cosigned document is evidence that a discussion took place and may lower the risk of malpractice litigation.55 Further, if a state requires physicians to check their prescription monitoring database before prescribing opioids, the controlled-substance agreement can serve to both inform patients about this obligation and to obtain their consent when required.

At a minimum, we recommend that prescribers learn about the regulatory framework in their state and use controlled-substance agreements as legislatively mandated.

A CHECKLIST FOR THE PHYSICIAN AND PATIENT

To facilitate the development and use of ethically appropriate controlled-substance agreements with a focus on shared decision-making, we offer a sample tool in the form of a checklist (Table 2). It can be modified and implemented instead of a traditional controlled-substance agreement or can be used alongside other more comprehensive documents to facilitate discussion.

The model presents critical information for the patient and physician to discuss and acknowledge (initial) in writing. It is divided into three sections: shared responsibilities, patient responsibilities, and physician responsibilities. Each contains an approximately equal number of items; this is deliberate and visually conveys the notion of equivalent and shared responsibilities for patient and physician. The patient, physician, or both should initial each item to indicate their agreement.

The document is customizable for the specific treatment prescribed. It is written at a Flesch-Kincaid grade level of 6.8, consistent with current health literacy recommendations, and avoids medical jargon and complex compound sentences as much as possible.

We indicate key elements of shared decision-making27,30,31 in parentheses in Table 2 and cross-reference them with Table 1, which describes them more fully.

A BETTER TOOL

Both chronic pain and prescription drug abuse are highly prevalent and carry serious consequences. These overlapping epidemics put the prescriber in the difficult position of trying to prevent misuse, abuse, and diversion while simultaneously adequately treating pain.

Physicians and policy makers look to controlled-substance agreements as tools to help them balance the benefits and risks, but frequently at the expense of eroding trust between the patient and physician, stigmatizing the patient, using pejorative and coercive language, not adhering to health literacy guidelines, and failing to share decisions.

We believe a better tool is possible and suggest that controlled-substance agreements be universally applied, use deliberate and understandable language, be framed in terms of safety, and be implemented according to the principles of shared decision-making.

References
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  39. Starrels JL, Becker WC, Alford DP, Kapoor A, Williams AR, Turner BJ. Systematic review: treatment agreements and urine drug testing to reduce opioid misuse in patients with chronic pain. Ann Intern Med 2010; 152:712–720.
  40. King S. How useful are patient opioid agreements and urine drug testing? Psychiatric Times March 2, 2011; www.psychiatrictimes.com/how-useful-are-patient-opioid-agreements-and-urine-drug-testing. Accessed August 2, 2015.
  41. Starrels JL, Wu B, Peyser D, et al. It made my life a little easier: primary care providers’ beliefs and attitudes about using opioid treatment agreements. J Opioid Manag 2014; 10:95–102.
  42. Touchet BK, Yates WR, Coon KA. Opioid contract use is associated with physician training level and practice specialty. J Opioid Manage 2005; 1:195–200.
  43. Penko J, Mattson J, Miaskowski C, Kushel M. Do patients know they are on pain medication agreements? Results from a sample of high-risk patients on chronic opioid therapy. Pain Med 2012; 13:1174–1180.
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Kristine Keough Forte, MS, MA, DBioethics
Clinical Bioethicist, PeaceHealth, St. John Medical Center and Clinics, Longview, WA

Summer Johnson McGee, PhD, CPH
Associate Professor, Department of Management, University of New Haven, West Haven, CT

Address: Daniel G. Tobin, MD, FACP, Department of Internal Medicine, Yale University School of Medicine, Yale-New Haven Hospital, Saint Raphael Campus, 1450 Chapel Street, Private 309, New Haven, CT 06511; daniel.tobin@yale.edu

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Clinical Bioethicist, PeaceHealth, St. John Medical Center and Clinics, Longview, WA

Summer Johnson McGee, PhD, CPH
Associate Professor, Department of Management, University of New Haven, West Haven, CT

Address: Daniel G. Tobin, MD, FACP, Department of Internal Medicine, Yale University School of Medicine, Yale-New Haven Hospital, Saint Raphael Campus, 1450 Chapel Street, Private 309, New Haven, CT 06511; daniel.tobin@yale.edu

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Kristine Keough Forte, MS, MA, DBioethics
Clinical Bioethicist, PeaceHealth, St. John Medical Center and Clinics, Longview, WA

Summer Johnson McGee, PhD, CPH
Associate Professor, Department of Management, University of New Haven, West Haven, CT

Address: Daniel G. Tobin, MD, FACP, Department of Internal Medicine, Yale University School of Medicine, Yale-New Haven Hospital, Saint Raphael Campus, 1450 Chapel Street, Private 309, New Haven, CT 06511; daniel.tobin@yale.edu

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Related Articles

Regulatory bodies and professional societies have encouraged or mandated written pain treatment agreements for over a decade as a way to establish informed consent, improve adherence, and mitigate risk. Unfortunately, the content of these agreements varies, their efficacy is uncertain, and some are stigmatizing or coercive and jeopardize trust. Additionally, many are written at reading levels beyond most patients’ understanding. However, we believe a well-written agreement is still an important tool in chronic pain management.

In this article, we explore common limitations of current pain treatment “contracts” and propose strategies to improve their usefulness and acceptance.

PAIN AND ITS TREATMENT HAVE COSTS

Chronic pain affects 100 million US adults and is estimated to cost $635 billion each year in treatment, lost wages, and reduced productivity.1

Opioid therapy for chronic noncancer pain is being called into question,2–5 and a 2016 guideline from the US Centers for Disease Control and Prevention has called for more limited and judicious use of opioids in primary care.6 Nevertheless, long-term opioid therapy is probably helpful in some circumstances and will likely continue to have a role in chronic pain management for the foreseeable future.7

Concerns about opioids include risks of overdose and death. Unintentional drug overdoses, typically with opioids, exceeded motor vehicle accidents in 2009 as the leading cause of accidental death in the United States8; by 2014, nearly one and a half times as many people were dying of a drug overdose than of a car accident.9 Even when used appropriately, opioids are associated with sedation, falls, motor vehicle accidents, addiction, and unintended overdose.10

The potential harm extends beyond the patient to the community at large. Diversion of prescription drugs for nonmedical use is common11 and, after marijuana and alcohol abuse, is the most common form of drug abuse in the United States.12 Misuse of prescription drugs costs health insurers an estimated $72.5 billion each year—a cost largely passed on to consumers through higher premiums.13 Most individuals who abuse prescription opioids get them from friends and family, sometimes by stealing them.14

THE SPECIAL ROLE OF THE PRIMARY CARE PHYSICIAN

Chronic pain is extremely prevalent in general internal medicine and primary care practice.15,16 It has tremendous associated medical, social, and economic costs.1

In light of the risks and complexity of opioid use and the increasing regulatory requirements for safe prescribing, some primary care physicians have stopped prescribing opioids altogether and refer patients elsewhere for pain management.

This does a disservice to patients. Primary care physicians cannot entirely avoid chronic pain management or absolutely refuse to prescribe opioids in all circumstances and still provide quality care. And although some primary care physicians may need more training in prescribing opioids, their comprehensive understanding of the patient’s other health issues enables them to address the psychosocial generators and consequences of the patient’s chronic pain more fully than a specialist can.

Furthermore, access to board-certified pain specialists is limited. There are only four such specialists for every 100,000 patients with chronic pain,17 and those who are available often restrict the types of insurance they accept, disproportionately excluding Medicaid patients.

We encourage primary care physicians to undertake continuing medical education and professional development as needed to prescribe opioids as safely and effectively as possible.

A CONTROLLED-SUBSTANCE AGREEMENT INSTEAD OF A ‘NARCOTIC CONTRACT’

To address the challenges of long-term opioid therapy, many state officials, medical licensing boards, professional societies, and other regulatory bodies recommend proactive monitoring and management of prescribing risks. Often promoted and sometimes mandated is the use of a written pain treatment agreement, sometimes called a “pain contract” or “narcotic contract,” in which the patient and the physician ostensibly agree to various conditions under which opioids will be prescribed or discontinued. Although well-intentioned, these documents can cause several problems.

Contracts were being advocated in treating opiate addiction as early as 1981.18 Since then, the term “narcotic contract” has become widely used, even as most professional guidelines have now moved away from using it. A Google search for the term on November 27, 2015, yielded 2,000 results, with numerous examples of the documents in clinical use.

But the phrase is misleading, and we believe physicians should avoid using it. Clinically, the word “narcotic” is imprecise and can refer to substances other than opioids. For example, the US Controlled Substances Act lists cocaine as a narcotic.19 The word also carries a stigma, as law enforcement agencies and drug abuse programs commonly use phrases such as “narcotic task force” or “narcotic treatment program.” On the other hand, the more accurate term “opioid” may be unfamiliar to patients. We recommend using the term “controlled substance” instead.

Similarly, the word “contract” can be perceived as coercive, can erode physician-patient trust, and implies that failure to agree to it will result in loss of access to pain medications.20–23

For these reasons, we encourage physicians to adopt the phrase “controlled-substance agreement” or something similar. This label accurately reflects the specificity of the treatment and connotes a partnership between patient and physician. Furthermore, it allows the physician to use the agreement when prescribing other controlled substances such as benzodiazepines and stimulants that also carry a risk of addiction, misuse, and adverse effects.

STIGMATIZING THE PATIENT

Although no studies have systematically assessed the style and tone of available treatment agreements, many of the agreements seem to stigmatize the patient, using language that is mistrustful, accusatory, and even confrontational and that implies that the patient will misuse or abuse the medications.21,24 For example, “Failure to comply with the terms of the contract will risk loss of medication or discharge from the medical practice” is inflammatory and coercive, but variations of this phrase appear in many of the results of the aforementioned Google search.

Such language defeats attempts to communicate openly and implies a deprecatory attitude towards patients. Stigmatization may result in undertreatment of pain, physician refusal to prescribe opioids, and patient refusal to submit to the terms of a one-sided agreement perceived as unfair. Therefore, poorly written opioid agreements impair the trust necessary for a therapeutic physician-patient relationship and can interfere with optimal pain management.20–23

Some physicians stigmatize inadvertently. Believing that they can identify which patients will misuse their prescriptions, they use controlled-substance agreements only in this subgroup. But in fact, physicians are notoriously poor at predicting which patients will misuse prescription opioids or suffer adverse effects.25 Therefore, it is important to be transparent and consistent with monitoring practices for all patients on chronic opioid therapy.26

Framing the controlled-substance agreement in terms of safety and using it universally can minimize miscommunication and unintentional stigmatization.

SHARED DECISION-MAKING AND CHRONIC OPIOID THERAPY

We recommend using controlled-substance agreements only in the context of personalized patient counseling and shared decision-making.

Shared decision-making promotes mutual respect between patients and physicians, is feasible to implement in primary care, and may improve health outcomes.27,28 A study found that physicians who received 2 hours of training in shared decision-making for chronic opioid therapy were more likely to complete treatment agreements and set mutually agreed-upon functional goals with patients, and they felt more confident, competent, and comfortable treating chronic pain.29 Additionally, after learning about the risks, some patients may choose to forgo opioid therapy.

To be consistent with shared decision-making, the controlled-substance agreement must:

  • Engage the patient, emphasizing the shared, reciprocal obligations of physician and patient
  • Address goals of treatment that are personalized and mutually agreed-upon and that incorporate the patient’s values and preferences
  • Explain treatment options in a way that is understandable and informative for the patient.

Table 1 outlines other key elements in detail.27,30,31

Shared decision-making is especially useful when the balance between the risks and benefits of a treatment plan is uncertain. It is not a substitute for medical expertise, and a patient’s preferences do not override the physician’s clinical judgment. A physician should not offer or implement chronic opioid therapy if he or she believes it is not indicated or is contraindicated, or that the risks for that patient clearly outweigh the benefits.32

THE CONTROLLED-SUBSTANCE AGREEMENT: FOUR OBJECTIVES

Stigmatizing language in the controlled-substance agreement may result from physician ambivalence regarding its intent and objectives. For example, some may perceive the agreement as a way to facilitate communication, while others may use it in a possibly unethical manner to control patient behavior with the threat of cutting off access to pain medication.33

Controlled-substance agreements have four commonly identified objectives,34 explored further below:

  • To improve adherence with the safe use of controlled substances while reducing aberrant behaviors
  • To obtain informed consent
  • To outline the prescribing policies of the practice
  • To mitigate the prescriber’s legal risk.
 

 

Improving adherence

Many authors say that the primary goal of the controlled-substance agreement is to promote the use of the medication as prescribed, without variance, and from one physician only.35–38 This goal seems reasonable. However, many other classes of medications are also risky when used aberrantly, and we do not ask the patient to sign an agreement when we prescribe them. This double standard may reflect both the inherently higher risks associated with controlled substances and physician ambivalence regarding their use.

Regardless, the efficacy of controlled­substance agreements in improving safe-use adherence and reducing aberrant medication-taking behaviors is uncertain. A 2010 systematic review based on observational and largely poor-quality studies concluded that using treatment agreements along with urine drug testing modestly reduced opioid misuse,39 while other reports have called their efficacy into question.40 We remain optimistic that well-written controlled-substance agreements can advance this objective, and that absence of evidence is not evidence of absence—ie, lack of efficacy. However, the data are not yet clear.

Interestingly, a 2014 survey found that most primary care physicians thought that controlled-substance agreements do not meaningfully reduce opioid misuse but do give a sense of protection against liability.41 Additionally, these documents are associated with a greater sense of physician satisfaction and mastery,42 and for some physicians these reasons may be enough to justify their use.

Somewhat alarmingly though, one study suggests that many patients do not even know that they signed a treatment agreement.43 Using a controlled-substance agreement without the full awareness and engagement of the patient cannot promote adherence and is likely counterproductive.

Obtaining informed consent

It is essential to discuss possible benefits and risks so that informed and shared decision-making can occur.

Controlled-substance agreements may advance this aim if carefully written, although medical practices often design them for use across a spectrum of patients with varying indications, contraindications, and risks, making these documents inherently inflexible. A one-size-fits-all document does not allow for meaningful personalization and is insufficient without patient-centered counseling.

We strongly recommend that treatment agreements complement but not replace personalized patient-centered counseling about individual risks and benefits. Well-written controlled-substance agreements may reduce the chance of overlooking key risks and launch further customized discussion. Additionally, they can be written in a manner that allows patients and physicians to agree on and document personalized goals (Table 2).

Furthermore, when crafted within a risk-benefit framework, a controlled-substance agreement can help to clarify an ethically important concept, ie, that the physician is judging the safety and appropriateness of the treatment, not the character of the patient.44 The prescriber can focus on evaluating the risks and benefits of treatment choices, not being a police officer or a judge of how “deserving” of opioid therapy the patient is.

Importantly, for patients to provide meaningful informed consent, the agreement must be understandable. A study of 162 opioid treatment agreements found that on average, they were written at a 14th grade level, which is beyond the reading comprehension of most patients.45 Another study evaluated patients’ ability to understand and follow instructions on labels for common prescriptions; even though 70% of the patients could read the labels, only 34.7% could demonstrate the instructions “take two tablets by mouth twice daily.”46

We recommend analyzing all controlled- substance agreements for readability by assessing their Flesch-Kincaid grade level or a similar literacy assessment, using readily available computer apps. The average education level of the patients cared for in each practice will vary based on the demographic served, and the controlled-substance agreement can be modified accordingly, but typically writing the document at the 6th- to 7th-grade reading level is suggested.

Outlining practice policies

Opioids are federally controlled substances with prescribing restrictions that vary based on the drug’s Drug Enforcement Agency schedule. State laws and regulations also govern opioid prescribing and are constantly evolving.47

Refilling opioid prescriptions should be a deliberate process during which the prescriber reviews the appropriateness of the medication and issues the prescription as safely as possible.

To promote practice consistency and to share expectations transparently with patients, we recommend spelling out in the agreement your policies on:

  • Who can manage this patient’s opioid therapy
  • How to handle refill requests after hours and on weekends
  • When and how patients should request opioid refills
  • Which pharmacies patients will use
  • Whether the practice allows others to pick up refills for the patient.

This not only serves as a reference for patients, who keep a copy for their records, it also reduces the risk of inconsistent processes within the office, which will quickly lead to chaos and confusion among patients and physicians alike. Inconsistent prescription and refill practices can give the impression that a double standard exists and that some patients get more leeway than others, without apparent justification.

There is little evidence that this approach truly improves practice efficiency,34,48 but we believe that it may avert future confusion and conflict.

Mitigating the prescriber’s risk

Most licensing boards and clinical guidelines recommend controlled-substance agreements as part of opioid risk mitigation. These documents are now the standard of care, with many bodies recommending or mandating them, including the Federation of State Medical Boards,49 many states,50 Physicians for Responsible Opioid Prescribing,51 the American Academy of Pain Management,52 and the American Pain Society along with the American Academy of Pain Medicine.53

Historically, primary care physicians have used controlled-substance agreements inconsistently and primarily for patients believed to be at high risk of misuse.54 However, because physicians cannot accurately predict who will misuse or divert medications,25 controlled-substance agreements should be used universally, ie, for all patients prescribed controlled substances.

A controlled-substance agreement can serve as documentation. The patient can keep a copy for future reference, and a cosigned document is evidence that a discussion took place and may lower the risk of malpractice litigation.55 Further, if a state requires physicians to check their prescription monitoring database before prescribing opioids, the controlled-substance agreement can serve to both inform patients about this obligation and to obtain their consent when required.

At a minimum, we recommend that prescribers learn about the regulatory framework in their state and use controlled-substance agreements as legislatively mandated.

A CHECKLIST FOR THE PHYSICIAN AND PATIENT

To facilitate the development and use of ethically appropriate controlled-substance agreements with a focus on shared decision-making, we offer a sample tool in the form of a checklist (Table 2). It can be modified and implemented instead of a traditional controlled-substance agreement or can be used alongside other more comprehensive documents to facilitate discussion.

The model presents critical information for the patient and physician to discuss and acknowledge (initial) in writing. It is divided into three sections: shared responsibilities, patient responsibilities, and physician responsibilities. Each contains an approximately equal number of items; this is deliberate and visually conveys the notion of equivalent and shared responsibilities for patient and physician. The patient, physician, or both should initial each item to indicate their agreement.

The document is customizable for the specific treatment prescribed. It is written at a Flesch-Kincaid grade level of 6.8, consistent with current health literacy recommendations, and avoids medical jargon and complex compound sentences as much as possible.

We indicate key elements of shared decision-making27,30,31 in parentheses in Table 2 and cross-reference them with Table 1, which describes them more fully.

A BETTER TOOL

Both chronic pain and prescription drug abuse are highly prevalent and carry serious consequences. These overlapping epidemics put the prescriber in the difficult position of trying to prevent misuse, abuse, and diversion while simultaneously adequately treating pain.

Physicians and policy makers look to controlled-substance agreements as tools to help them balance the benefits and risks, but frequently at the expense of eroding trust between the patient and physician, stigmatizing the patient, using pejorative and coercive language, not adhering to health literacy guidelines, and failing to share decisions.

We believe a better tool is possible and suggest that controlled-substance agreements be universally applied, use deliberate and understandable language, be framed in terms of safety, and be implemented according to the principles of shared decision-making.

Regulatory bodies and professional societies have encouraged or mandated written pain treatment agreements for over a decade as a way to establish informed consent, improve adherence, and mitigate risk. Unfortunately, the content of these agreements varies, their efficacy is uncertain, and some are stigmatizing or coercive and jeopardize trust. Additionally, many are written at reading levels beyond most patients’ understanding. However, we believe a well-written agreement is still an important tool in chronic pain management.

In this article, we explore common limitations of current pain treatment “contracts” and propose strategies to improve their usefulness and acceptance.

PAIN AND ITS TREATMENT HAVE COSTS

Chronic pain affects 100 million US adults and is estimated to cost $635 billion each year in treatment, lost wages, and reduced productivity.1

Opioid therapy for chronic noncancer pain is being called into question,2–5 and a 2016 guideline from the US Centers for Disease Control and Prevention has called for more limited and judicious use of opioids in primary care.6 Nevertheless, long-term opioid therapy is probably helpful in some circumstances and will likely continue to have a role in chronic pain management for the foreseeable future.7

Concerns about opioids include risks of overdose and death. Unintentional drug overdoses, typically with opioids, exceeded motor vehicle accidents in 2009 as the leading cause of accidental death in the United States8; by 2014, nearly one and a half times as many people were dying of a drug overdose than of a car accident.9 Even when used appropriately, opioids are associated with sedation, falls, motor vehicle accidents, addiction, and unintended overdose.10

The potential harm extends beyond the patient to the community at large. Diversion of prescription drugs for nonmedical use is common11 and, after marijuana and alcohol abuse, is the most common form of drug abuse in the United States.12 Misuse of prescription drugs costs health insurers an estimated $72.5 billion each year—a cost largely passed on to consumers through higher premiums.13 Most individuals who abuse prescription opioids get them from friends and family, sometimes by stealing them.14

THE SPECIAL ROLE OF THE PRIMARY CARE PHYSICIAN

Chronic pain is extremely prevalent in general internal medicine and primary care practice.15,16 It has tremendous associated medical, social, and economic costs.1

In light of the risks and complexity of opioid use and the increasing regulatory requirements for safe prescribing, some primary care physicians have stopped prescribing opioids altogether and refer patients elsewhere for pain management.

This does a disservice to patients. Primary care physicians cannot entirely avoid chronic pain management or absolutely refuse to prescribe opioids in all circumstances and still provide quality care. And although some primary care physicians may need more training in prescribing opioids, their comprehensive understanding of the patient’s other health issues enables them to address the psychosocial generators and consequences of the patient’s chronic pain more fully than a specialist can.

Furthermore, access to board-certified pain specialists is limited. There are only four such specialists for every 100,000 patients with chronic pain,17 and those who are available often restrict the types of insurance they accept, disproportionately excluding Medicaid patients.

We encourage primary care physicians to undertake continuing medical education and professional development as needed to prescribe opioids as safely and effectively as possible.

A CONTROLLED-SUBSTANCE AGREEMENT INSTEAD OF A ‘NARCOTIC CONTRACT’

To address the challenges of long-term opioid therapy, many state officials, medical licensing boards, professional societies, and other regulatory bodies recommend proactive monitoring and management of prescribing risks. Often promoted and sometimes mandated is the use of a written pain treatment agreement, sometimes called a “pain contract” or “narcotic contract,” in which the patient and the physician ostensibly agree to various conditions under which opioids will be prescribed or discontinued. Although well-intentioned, these documents can cause several problems.

Contracts were being advocated in treating opiate addiction as early as 1981.18 Since then, the term “narcotic contract” has become widely used, even as most professional guidelines have now moved away from using it. A Google search for the term on November 27, 2015, yielded 2,000 results, with numerous examples of the documents in clinical use.

But the phrase is misleading, and we believe physicians should avoid using it. Clinically, the word “narcotic” is imprecise and can refer to substances other than opioids. For example, the US Controlled Substances Act lists cocaine as a narcotic.19 The word also carries a stigma, as law enforcement agencies and drug abuse programs commonly use phrases such as “narcotic task force” or “narcotic treatment program.” On the other hand, the more accurate term “opioid” may be unfamiliar to patients. We recommend using the term “controlled substance” instead.

Similarly, the word “contract” can be perceived as coercive, can erode physician-patient trust, and implies that failure to agree to it will result in loss of access to pain medications.20–23

For these reasons, we encourage physicians to adopt the phrase “controlled-substance agreement” or something similar. This label accurately reflects the specificity of the treatment and connotes a partnership between patient and physician. Furthermore, it allows the physician to use the agreement when prescribing other controlled substances such as benzodiazepines and stimulants that also carry a risk of addiction, misuse, and adverse effects.

STIGMATIZING THE PATIENT

Although no studies have systematically assessed the style and tone of available treatment agreements, many of the agreements seem to stigmatize the patient, using language that is mistrustful, accusatory, and even confrontational and that implies that the patient will misuse or abuse the medications.21,24 For example, “Failure to comply with the terms of the contract will risk loss of medication or discharge from the medical practice” is inflammatory and coercive, but variations of this phrase appear in many of the results of the aforementioned Google search.

Such language defeats attempts to communicate openly and implies a deprecatory attitude towards patients. Stigmatization may result in undertreatment of pain, physician refusal to prescribe opioids, and patient refusal to submit to the terms of a one-sided agreement perceived as unfair. Therefore, poorly written opioid agreements impair the trust necessary for a therapeutic physician-patient relationship and can interfere with optimal pain management.20–23

Some physicians stigmatize inadvertently. Believing that they can identify which patients will misuse their prescriptions, they use controlled-substance agreements only in this subgroup. But in fact, physicians are notoriously poor at predicting which patients will misuse prescription opioids or suffer adverse effects.25 Therefore, it is important to be transparent and consistent with monitoring practices for all patients on chronic opioid therapy.26

Framing the controlled-substance agreement in terms of safety and using it universally can minimize miscommunication and unintentional stigmatization.

SHARED DECISION-MAKING AND CHRONIC OPIOID THERAPY

We recommend using controlled-substance agreements only in the context of personalized patient counseling and shared decision-making.

Shared decision-making promotes mutual respect between patients and physicians, is feasible to implement in primary care, and may improve health outcomes.27,28 A study found that physicians who received 2 hours of training in shared decision-making for chronic opioid therapy were more likely to complete treatment agreements and set mutually agreed-upon functional goals with patients, and they felt more confident, competent, and comfortable treating chronic pain.29 Additionally, after learning about the risks, some patients may choose to forgo opioid therapy.

To be consistent with shared decision-making, the controlled-substance agreement must:

  • Engage the patient, emphasizing the shared, reciprocal obligations of physician and patient
  • Address goals of treatment that are personalized and mutually agreed-upon and that incorporate the patient’s values and preferences
  • Explain treatment options in a way that is understandable and informative for the patient.

Table 1 outlines other key elements in detail.27,30,31

Shared decision-making is especially useful when the balance between the risks and benefits of a treatment plan is uncertain. It is not a substitute for medical expertise, and a patient’s preferences do not override the physician’s clinical judgment. A physician should not offer or implement chronic opioid therapy if he or she believes it is not indicated or is contraindicated, or that the risks for that patient clearly outweigh the benefits.32

THE CONTROLLED-SUBSTANCE AGREEMENT: FOUR OBJECTIVES

Stigmatizing language in the controlled-substance agreement may result from physician ambivalence regarding its intent and objectives. For example, some may perceive the agreement as a way to facilitate communication, while others may use it in a possibly unethical manner to control patient behavior with the threat of cutting off access to pain medication.33

Controlled-substance agreements have four commonly identified objectives,34 explored further below:

  • To improve adherence with the safe use of controlled substances while reducing aberrant behaviors
  • To obtain informed consent
  • To outline the prescribing policies of the practice
  • To mitigate the prescriber’s legal risk.
 

 

Improving adherence

Many authors say that the primary goal of the controlled-substance agreement is to promote the use of the medication as prescribed, without variance, and from one physician only.35–38 This goal seems reasonable. However, many other classes of medications are also risky when used aberrantly, and we do not ask the patient to sign an agreement when we prescribe them. This double standard may reflect both the inherently higher risks associated with controlled substances and physician ambivalence regarding their use.

Regardless, the efficacy of controlled­substance agreements in improving safe-use adherence and reducing aberrant medication-taking behaviors is uncertain. A 2010 systematic review based on observational and largely poor-quality studies concluded that using treatment agreements along with urine drug testing modestly reduced opioid misuse,39 while other reports have called their efficacy into question.40 We remain optimistic that well-written controlled-substance agreements can advance this objective, and that absence of evidence is not evidence of absence—ie, lack of efficacy. However, the data are not yet clear.

Interestingly, a 2014 survey found that most primary care physicians thought that controlled-substance agreements do not meaningfully reduce opioid misuse but do give a sense of protection against liability.41 Additionally, these documents are associated with a greater sense of physician satisfaction and mastery,42 and for some physicians these reasons may be enough to justify their use.

Somewhat alarmingly though, one study suggests that many patients do not even know that they signed a treatment agreement.43 Using a controlled-substance agreement without the full awareness and engagement of the patient cannot promote adherence and is likely counterproductive.

Obtaining informed consent

It is essential to discuss possible benefits and risks so that informed and shared decision-making can occur.

Controlled-substance agreements may advance this aim if carefully written, although medical practices often design them for use across a spectrum of patients with varying indications, contraindications, and risks, making these documents inherently inflexible. A one-size-fits-all document does not allow for meaningful personalization and is insufficient without patient-centered counseling.

We strongly recommend that treatment agreements complement but not replace personalized patient-centered counseling about individual risks and benefits. Well-written controlled-substance agreements may reduce the chance of overlooking key risks and launch further customized discussion. Additionally, they can be written in a manner that allows patients and physicians to agree on and document personalized goals (Table 2).

Furthermore, when crafted within a risk-benefit framework, a controlled-substance agreement can help to clarify an ethically important concept, ie, that the physician is judging the safety and appropriateness of the treatment, not the character of the patient.44 The prescriber can focus on evaluating the risks and benefits of treatment choices, not being a police officer or a judge of how “deserving” of opioid therapy the patient is.

Importantly, for patients to provide meaningful informed consent, the agreement must be understandable. A study of 162 opioid treatment agreements found that on average, they were written at a 14th grade level, which is beyond the reading comprehension of most patients.45 Another study evaluated patients’ ability to understand and follow instructions on labels for common prescriptions; even though 70% of the patients could read the labels, only 34.7% could demonstrate the instructions “take two tablets by mouth twice daily.”46

We recommend analyzing all controlled- substance agreements for readability by assessing their Flesch-Kincaid grade level or a similar literacy assessment, using readily available computer apps. The average education level of the patients cared for in each practice will vary based on the demographic served, and the controlled-substance agreement can be modified accordingly, but typically writing the document at the 6th- to 7th-grade reading level is suggested.

Outlining practice policies

Opioids are federally controlled substances with prescribing restrictions that vary based on the drug’s Drug Enforcement Agency schedule. State laws and regulations also govern opioid prescribing and are constantly evolving.47

Refilling opioid prescriptions should be a deliberate process during which the prescriber reviews the appropriateness of the medication and issues the prescription as safely as possible.

To promote practice consistency and to share expectations transparently with patients, we recommend spelling out in the agreement your policies on:

  • Who can manage this patient’s opioid therapy
  • How to handle refill requests after hours and on weekends
  • When and how patients should request opioid refills
  • Which pharmacies patients will use
  • Whether the practice allows others to pick up refills for the patient.

This not only serves as a reference for patients, who keep a copy for their records, it also reduces the risk of inconsistent processes within the office, which will quickly lead to chaos and confusion among patients and physicians alike. Inconsistent prescription and refill practices can give the impression that a double standard exists and that some patients get more leeway than others, without apparent justification.

There is little evidence that this approach truly improves practice efficiency,34,48 but we believe that it may avert future confusion and conflict.

Mitigating the prescriber’s risk

Most licensing boards and clinical guidelines recommend controlled-substance agreements as part of opioid risk mitigation. These documents are now the standard of care, with many bodies recommending or mandating them, including the Federation of State Medical Boards,49 many states,50 Physicians for Responsible Opioid Prescribing,51 the American Academy of Pain Management,52 and the American Pain Society along with the American Academy of Pain Medicine.53

Historically, primary care physicians have used controlled-substance agreements inconsistently and primarily for patients believed to be at high risk of misuse.54 However, because physicians cannot accurately predict who will misuse or divert medications,25 controlled-substance agreements should be used universally, ie, for all patients prescribed controlled substances.

A controlled-substance agreement can serve as documentation. The patient can keep a copy for future reference, and a cosigned document is evidence that a discussion took place and may lower the risk of malpractice litigation.55 Further, if a state requires physicians to check their prescription monitoring database before prescribing opioids, the controlled-substance agreement can serve to both inform patients about this obligation and to obtain their consent when required.

At a minimum, we recommend that prescribers learn about the regulatory framework in their state and use controlled-substance agreements as legislatively mandated.

A CHECKLIST FOR THE PHYSICIAN AND PATIENT

To facilitate the development and use of ethically appropriate controlled-substance agreements with a focus on shared decision-making, we offer a sample tool in the form of a checklist (Table 2). It can be modified and implemented instead of a traditional controlled-substance agreement or can be used alongside other more comprehensive documents to facilitate discussion.

The model presents critical information for the patient and physician to discuss and acknowledge (initial) in writing. It is divided into three sections: shared responsibilities, patient responsibilities, and physician responsibilities. Each contains an approximately equal number of items; this is deliberate and visually conveys the notion of equivalent and shared responsibilities for patient and physician. The patient, physician, or both should initial each item to indicate their agreement.

The document is customizable for the specific treatment prescribed. It is written at a Flesch-Kincaid grade level of 6.8, consistent with current health literacy recommendations, and avoids medical jargon and complex compound sentences as much as possible.

We indicate key elements of shared decision-making27,30,31 in parentheses in Table 2 and cross-reference them with Table 1, which describes them more fully.

A BETTER TOOL

Both chronic pain and prescription drug abuse are highly prevalent and carry serious consequences. These overlapping epidemics put the prescriber in the difficult position of trying to prevent misuse, abuse, and diversion while simultaneously adequately treating pain.

Physicians and policy makers look to controlled-substance agreements as tools to help them balance the benefits and risks, but frequently at the expense of eroding trust between the patient and physician, stigmatizing the patient, using pejorative and coercive language, not adhering to health literacy guidelines, and failing to share decisions.

We believe a better tool is possible and suggest that controlled-substance agreements be universally applied, use deliberate and understandable language, be framed in terms of safety, and be implemented according to the principles of shared decision-making.

References
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  3. Chou R, Turner JA, Devine EB, et al. The effectiveness and risks of long-term opioid therapy for chronic pain: a systematic review for a national institutes of health pathways to prevention workshop. Ann Intern Med 2015; 162:276–286.
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  19. U.S. Department of Justice, Office of Diversion Control, Title 21 Code of Federal Regulations - Part 1300 - Definitions. 2015; www.deadiversion.usdoj.gov/21cfr/cfr/1300/1300_01.htm. Accessed October 10, 2016.
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  21. Buchman DZ, Ho A. What’s trust got to do with it? Revisiting opioid contracts. J Med Ethics 2014; 40:673–677.
  22. Deep K. Use of narcotics contracts. Virtual Mentor 2013; 15:416–420.
  23. Payne R, Anderson E, Arnold R, et al. A rose by any other name: pain contracts/agreements. Am J Bioethics 2010; 10:5–12.
  24. Goldberg DSDS. Job and the stigmatization of chronic pain. Perspect Biol Med 2010; 53:425–438.
  25. Bronstein K PS, Munitz L, Leider H. Can clinicians accurately predict which patients are misusing their medications? American Pain Society 30th Annual Scientific Meeting; May 18–21, 2011, 2011; Austin, TX.
  26. Gourlay DL, Heit HA, Almahrezi A. Universal precautions in pain medicine: a rational approach to the treatment of chronic pain. Pain Med 2005; 6:107–112.
  27. Charles C, Gafni A, Whelan T. Shared decision-making in the medical encounter: what does it mean? (or it takes at least two to tango). Soc Sci Med 1997; 44:681–692.
  28. Murray E, Charles C, Gafni A. Shared decision-making in primary care: tailoring the Charles et al model to fit the context of general practice. Patient Educ Couns 2006; 62:205–211.
  29. Sullivan MD, Leigh J, Gaster B. Brief report: training internists in shared decision making about chronic opioid treatment for noncancer pain. J Gen Intern Med 2006; 21:360–362.
  30. Charles C, Gafni A, Whelan T. Decision-making in the physician-patient encounter: revisiting the shared treatment decision-making model. Soc Sci Med 1999; 49:651–661.
  31. Makoul G, Clayman ML. An integrative model of shared decision making in medical encounters. Patient Educ Couns 2006; 60:301–312.
  32. Savage S. The patient-centered opioid treatment agreement. Am J Bioethics 2010; 10:18–19.
  33. Crowley-Matoka M. How to parse the protective, the punitive and the prejudicial in chronic opioid therapy? Pain 2013; 154:5–6.
  34. Arnold RM, Han PK, Seltzer D. Opioid contracts in chronic nonmalignant pain management: objectives and uncertainties. Am J Med 2006; 119:292–296.
  35. Kirkpatrick AF, Derasari M, Kovacs PL, Lamb BD, Miller R, Reading A. A protocol-contract for opioid use in patients with chronic pain not due to malignancy. J Clin Anesth 1998; 10:435–443.
  36. Fishman SM, Bandman TB, Edwards A, Borsook D. The opioid contract in the management of chronic pain. J Pain Symptom Manage 1999; 18:27–37.
  37. Hariharan J, Lamb GC, Neuner JM. Long-term opioid contract use for chronic pain management in primary care practice. A five year experience. J Gen Intern Med 2007; 22:485–490.
  38. Fishman SM, Wilsey B, Yang J, Reisfield GM, Bandman TB, Borsook D. Adherence monitoring and drug surveillance in chronic opioid therapy. J Pain Symptom Manage 2000; 20:293–307.
  39. Starrels JL, Becker WC, Alford DP, Kapoor A, Williams AR, Turner BJ. Systematic review: treatment agreements and urine drug testing to reduce opioid misuse in patients with chronic pain. Ann Intern Med 2010; 152:712–720.
  40. King S. How useful are patient opioid agreements and urine drug testing? Psychiatric Times March 2, 2011; www.psychiatrictimes.com/how-useful-are-patient-opioid-agreements-and-urine-drug-testing. Accessed August 2, 2015.
  41. Starrels JL, Wu B, Peyser D, et al. It made my life a little easier: primary care providers’ beliefs and attitudes about using opioid treatment agreements. J Opioid Manag 2014; 10:95–102.
  42. Touchet BK, Yates WR, Coon KA. Opioid contract use is associated with physician training level and practice specialty. J Opioid Manage 2005; 1:195–200.
  43. Penko J, Mattson J, Miaskowski C, Kushel M. Do patients know they are on pain medication agreements? Results from a sample of high-risk patients on chronic opioid therapy. Pain Med 2012; 13:1174–1180.
  44. Nicolaidis C. Police officer, deal-maker, or health care provider? Moving to a patient-centered framework for chronic opioid management. Pain Med 2011; 12:890–897.
  45. Roskos SE, Keenum AJ, Newman LM, Wallace LS. Literacy demands and formatting characteristics of opioid contracts in chronic nonmalignant pain management. J Pain 2007; 8:753–758.
  46. Davis TC, Wolf MS, Bass PF 3rd, et al. Low literacy impairs comprehension of prescription drug warning labels. J Gen Intern Med 2006; 21:847–851.
  47. American Academy of Pain Medicine. State legislative updates. www.painmed.org/advocacy/state-updates/. Accessed August 5, 2016.
  48. Burchman SL, Pagel PS. Implementation of a formal treatment agreement for outpatient management of chronic nonmalignant pain with opioid analgesics. J Pain Symptom Manage 1995; 10:556–563.
  49. Federation of State Medical Boards. Model policy on the use of opioid analgesics in the treatment of chronic pain. 2013; www.fsmb.org/Media/Default/PDF/FSMB/Advocacy/pain_policy_july2013.pdf. Accessed August 2, 2016.
  50. University of Wisconsin-Madison. Pain & Policy Studies Group. Database of statutes, regulations, & other policies for pain management. www.painpolicy.wisc.edu/database-statutes-regulations-other-policies-pain-management. Accessed August 3, 2016.
  51. Cameron KA, Rintamaki LS, Kamanda-Kosseh M, Noskin GA, Baker DW, Makoul G. Using theoretical constructs to identify key issues for targeted message design: African American seniors’ perceptions about influenza and influenza vaccination. Health Commun 2009; 24:316–326.
  52. Kandula NR, Nsiah-Kumi PA, Makoul G, et al. The relationship between health literacy and knowledge improvement after a multimedia type 2 diabetes education program. Patient Educ Couns 2009; 75:321–327.
  53. Chou R, Fanciullo GJ, Fine PG, et al. Clinical guidelines for the use of chronic opioid therapy in chronic noncancer pain. J Pain 2009; 10:113–130.
  54. Adams NJ, Plane MB, Fleming MF, Mundt MP, Saunders LA, Stauffacher EA. Opioids and the treatment of chronic pain in a primary care sample. J Pain Symptom Manage 2001; 22:791–796.
  55. Richeimer SH. Opioids for pain: risk management. Semin Anesthesia Periop Med Pain 2005; 24:165–169.
References
  1. Committee on Advancing Pain Research Care, Institute of Medicine. Relieving Pain In America: A Blueprint For Transforming Prevention, Care, Education, and Research. Washington, DC: National Academies Press; 2011. 030921484X.
  2. Von Korff M, Kolodny A, Deyo RA, Chou R. Long-term opioid therapy reconsidered. Ann Intern Med 2011; 155:325–328.
  3. Chou R, Turner JA, Devine EB, et al. The effectiveness and risks of long-term opioid therapy for chronic pain: a systematic review for a national institutes of health pathways to prevention workshop. Ann Intern Med 2015; 162:276–286.
  4. Manchikanti L, Vallejo R, Manchikanti KN, Benyamin RM, Datta S, Christo PJ. Effectiveness of long-term opioid therapy for chronic non-cancer pain. Pain Physician 2011; 14:E133–E156.
  5. Trescot AM, Glaser SE, Hansen H, Benyamin R, Patel S, Manchikanti L. Effectiveness of opioids in the treatment of chronic non-cancer pain. Pain Physician 2008; 11(suppl):S181–S200.
  6. Dowell D, Haegerich TM, Chou R. CDC Guideline for prescribing opioids for chronic pain—United States, 2016. MMWR Recomm Rep 2016; 65(1):1–49.
  7. Brooks A, Kominek C, Pham TC, Fudin J. Exploring the use of chronic opioid therapy for chronic pain: when, how, and for whom? Med Clin North Am 2016; 100:81–102.
  8. Paulozzi L, Dellinger A, Degutis L. Lessons from the past. Injury Prev 2012; 18:70.
  9. Rudd RA, Aleshire N, Zibbell JE, Gladden RM. Increases in drug and opioid overdose deaths - United States, 2000-2014. MMWR Morb Mortal Wkly Rep 2016; 64(50-51):1378–1382.
  10. Vowles KE, McEntee ML, Julnes PS, Frohe T, Ney JP, van der Goes DN. Rates of opioid misuse, abuse, and addiction in chronic pain: a systematic review and data synthesis. Pain 2015; 156:569–576.
  11. Cicero TJ, Kurtz SP, Surratt HL, et al. Multiple determinants of specific modes of prescription opioid diversion. J Drug Issues 2011; 41:283–304.
  12. SAMHSA. Results from the 2013 National Survey on Drug Use and Health: Summary of National Findings. HHS Publication No. (SMA) 14-4863. Rockville, MD: Substance Abuse and Mental Health Services Administration; 2014: www.samhsa.gov/data/sites/default/files/NSDUHresultsPDFWHTML2013/Web/NSDUHresults2013.htm. Accessed October 10, 2015.
  13. National Drug Intelligence Center, Drug Enforcement Administration. National Prescription Drug Threat Assessment. 2009.
  14. Jones CM, Paulozzi LJ, Mack KA. Sources of prescription opioid pain relievers by frequency of past-year nonmedical use: United States, 2008-2011. JAMA Intern Med 2014; 174:802–803.
  15. Clark JD. Chronic pain prevalence and analgesic prescribing in a general medical population. J Pain Symptom Manage 2002; 23:131–137.
  16. American Academy of Family Physicians. Pain management and opioid abuse: a public health concern. Position paper, executive summary. 2012; www.aafp.org/content/dam/AAFP/documents/patient_care/pain_management/opioid-abuse-position-paper.pdf. Accessed October 10, 2015.
  17. Breuer B, Pappagallo M, Tai JY, Portenoy RK. U.S. board-certified pain physician practices: uniformity and census data of their locations. J Pain 2007; 8:244–250.
  18. Rush AJ, Shaw BF. Psychotherapeutic treatment of opiate addiction. Am J Psychother 1981; 35:61–75.
  19. U.S. Department of Justice, Office of Diversion Control, Title 21 Code of Federal Regulations - Part 1300 - Definitions. 2015; www.deadiversion.usdoj.gov/21cfr/cfr/1300/1300_01.htm. Accessed October 10, 2016.
  20. McGee S, Silverman RD. Treatment agreements, informed consent, and the role of state medical boards in opioid prescribing. Pain Med 2015; 16:25–29.
  21. Buchman DZ, Ho A. What’s trust got to do with it? Revisiting opioid contracts. J Med Ethics 2014; 40:673–677.
  22. Deep K. Use of narcotics contracts. Virtual Mentor 2013; 15:416–420.
  23. Payne R, Anderson E, Arnold R, et al. A rose by any other name: pain contracts/agreements. Am J Bioethics 2010; 10:5–12.
  24. Goldberg DSDS. Job and the stigmatization of chronic pain. Perspect Biol Med 2010; 53:425–438.
  25. Bronstein K PS, Munitz L, Leider H. Can clinicians accurately predict which patients are misusing their medications? American Pain Society 30th Annual Scientific Meeting; May 18–21, 2011, 2011; Austin, TX.
  26. Gourlay DL, Heit HA, Almahrezi A. Universal precautions in pain medicine: a rational approach to the treatment of chronic pain. Pain Med 2005; 6:107–112.
  27. Charles C, Gafni A, Whelan T. Shared decision-making in the medical encounter: what does it mean? (or it takes at least two to tango). Soc Sci Med 1997; 44:681–692.
  28. Murray E, Charles C, Gafni A. Shared decision-making in primary care: tailoring the Charles et al model to fit the context of general practice. Patient Educ Couns 2006; 62:205–211.
  29. Sullivan MD, Leigh J, Gaster B. Brief report: training internists in shared decision making about chronic opioid treatment for noncancer pain. J Gen Intern Med 2006; 21:360–362.
  30. Charles C, Gafni A, Whelan T. Decision-making in the physician-patient encounter: revisiting the shared treatment decision-making model. Soc Sci Med 1999; 49:651–661.
  31. Makoul G, Clayman ML. An integrative model of shared decision making in medical encounters. Patient Educ Couns 2006; 60:301–312.
  32. Savage S. The patient-centered opioid treatment agreement. Am J Bioethics 2010; 10:18–19.
  33. Crowley-Matoka M. How to parse the protective, the punitive and the prejudicial in chronic opioid therapy? Pain 2013; 154:5–6.
  34. Arnold RM, Han PK, Seltzer D. Opioid contracts in chronic nonmalignant pain management: objectives and uncertainties. Am J Med 2006; 119:292–296.
  35. Kirkpatrick AF, Derasari M, Kovacs PL, Lamb BD, Miller R, Reading A. A protocol-contract for opioid use in patients with chronic pain not due to malignancy. J Clin Anesth 1998; 10:435–443.
  36. Fishman SM, Bandman TB, Edwards A, Borsook D. The opioid contract in the management of chronic pain. J Pain Symptom Manage 1999; 18:27–37.
  37. Hariharan J, Lamb GC, Neuner JM. Long-term opioid contract use for chronic pain management in primary care practice. A five year experience. J Gen Intern Med 2007; 22:485–490.
  38. Fishman SM, Wilsey B, Yang J, Reisfield GM, Bandman TB, Borsook D. Adherence monitoring and drug surveillance in chronic opioid therapy. J Pain Symptom Manage 2000; 20:293–307.
  39. Starrels JL, Becker WC, Alford DP, Kapoor A, Williams AR, Turner BJ. Systematic review: treatment agreements and urine drug testing to reduce opioid misuse in patients with chronic pain. Ann Intern Med 2010; 152:712–720.
  40. King S. How useful are patient opioid agreements and urine drug testing? Psychiatric Times March 2, 2011; www.psychiatrictimes.com/how-useful-are-patient-opioid-agreements-and-urine-drug-testing. Accessed August 2, 2015.
  41. Starrels JL, Wu B, Peyser D, et al. It made my life a little easier: primary care providers’ beliefs and attitudes about using opioid treatment agreements. J Opioid Manag 2014; 10:95–102.
  42. Touchet BK, Yates WR, Coon KA. Opioid contract use is associated with physician training level and practice specialty. J Opioid Manage 2005; 1:195–200.
  43. Penko J, Mattson J, Miaskowski C, Kushel M. Do patients know they are on pain medication agreements? Results from a sample of high-risk patients on chronic opioid therapy. Pain Med 2012; 13:1174–1180.
  44. Nicolaidis C. Police officer, deal-maker, or health care provider? Moving to a patient-centered framework for chronic opioid management. Pain Med 2011; 12:890–897.
  45. Roskos SE, Keenum AJ, Newman LM, Wallace LS. Literacy demands and formatting characteristics of opioid contracts in chronic nonmalignant pain management. J Pain 2007; 8:753–758.
  46. Davis TC, Wolf MS, Bass PF 3rd, et al. Low literacy impairs comprehension of prescription drug warning labels. J Gen Intern Med 2006; 21:847–851.
  47. American Academy of Pain Medicine. State legislative updates. www.painmed.org/advocacy/state-updates/. Accessed August 5, 2016.
  48. Burchman SL, Pagel PS. Implementation of a formal treatment agreement for outpatient management of chronic nonmalignant pain with opioid analgesics. J Pain Symptom Manage 1995; 10:556–563.
  49. Federation of State Medical Boards. Model policy on the use of opioid analgesics in the treatment of chronic pain. 2013; www.fsmb.org/Media/Default/PDF/FSMB/Advocacy/pain_policy_july2013.pdf. Accessed August 2, 2016.
  50. University of Wisconsin-Madison. Pain & Policy Studies Group. Database of statutes, regulations, & other policies for pain management. www.painpolicy.wisc.edu/database-statutes-regulations-other-policies-pain-management. Accessed August 3, 2016.
  51. Cameron KA, Rintamaki LS, Kamanda-Kosseh M, Noskin GA, Baker DW, Makoul G. Using theoretical constructs to identify key issues for targeted message design: African American seniors’ perceptions about influenza and influenza vaccination. Health Commun 2009; 24:316–326.
  52. Kandula NR, Nsiah-Kumi PA, Makoul G, et al. The relationship between health literacy and knowledge improvement after a multimedia type 2 diabetes education program. Patient Educ Couns 2009; 75:321–327.
  53. Chou R, Fanciullo GJ, Fine PG, et al. Clinical guidelines for the use of chronic opioid therapy in chronic noncancer pain. J Pain 2009; 10:113–130.
  54. Adams NJ, Plane MB, Fleming MF, Mundt MP, Saunders LA, Stauffacher EA. Opioids and the treatment of chronic pain in a primary care sample. J Pain Symptom Manage 2001; 22:791–796.
  55. Richeimer SH. Opioids for pain: risk management. Semin Anesthesia Periop Med Pain 2005; 24:165–169.
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Breaking the pain contract: A better controlled-substance agreement for patients on chronic opioid therapy
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opioids, chronic opioid therapy, pain contract, controlled substance agreement, narcotic contract, shared decision-making, addiction, Daniel Tobin, Kristine Keough Forte, Summer Johnson McGee
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KEY POINTS

  • Both chronic pain and opioid therapy impose costs and risks. Though controversial, long-term opioid therapy will probably have a role for the foreseeable future.
  • The term “controlled-substance agreement” is preferable to “pain contract” or “narcotic contract.”
  • Controlled-substance agreements should be used only in the context of personalized patient counseling and shared decision-making.
  • Objectives of controlled-substance agreements are to improve adherence, obtain informed consent, outline the prescribing policies of the practice, and mitigate risk.
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Menopausal hormone therapy

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Menopausal hormone therapy

To the Editor: I much enjoyed the important article by Drs. Lipold, Batur, and Kagan on whether there is a time limit for systemic menopausal hormone therapy.1 The simple answer is no. The authors did a good job of reviewing the factors to consider in terms of contraindications and precautions when prescribing menopausal hormone therapy.

An important part of the discussion regarding stopping hormone therapy is the recent evidence from Finland that has shown increased risks of myocardial infarction and stroke, especially in women under age 60, when taken off hormone therapy.2 This fact is quite ironic, as many clinicians are trying to rush to get women off hormone therapy in order to protect the heart, when the evidence does not suggest this. Just as with other hormone-deficiency conditions, the status needs to be periodically reviewed, and doses may need to be adjusted. However, after age 60 or 65, women do not automatically start producing the sex hormone that they have been deficient in. While menopause is not a definite endocrinopathy, it is a potential endocrinopathy; and for some women, such as young women who are oophorectomized, it is an absolute endocrinopathy.

The International Menopause Society has published updated guidelines emphasizing that new data and reanalysis of older data show that for most women the benefits of menopausal hormone therapy are much greater than the risks, particularly when started within a few years of menopause.3

References
  1. Lipold LD, Batur P, Kagan R. Is there a time limit for systemic menopausal hormone therapy? Cleve Clin J Med 2016; 83:605–612.
  2. Mikkola TS, Tuomikoski P, Lyytinen H, et al. Increased cardiovascular mortality risk in women discontinuing postmenopausal hormone therapy. J Clin Endocrinol Metab 2015; 100:4588–4594.
  3. Baber RJ, Panay N, Fenton A; IMS Writing Group. 2016 IMS recommendations on women’s midlife health and menopause hormone therapy. Climacteric 2016; 19:109–150.
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To the Editor: I much enjoyed the important article by Drs. Lipold, Batur, and Kagan on whether there is a time limit for systemic menopausal hormone therapy.1 The simple answer is no. The authors did a good job of reviewing the factors to consider in terms of contraindications and precautions when prescribing menopausal hormone therapy.

An important part of the discussion regarding stopping hormone therapy is the recent evidence from Finland that has shown increased risks of myocardial infarction and stroke, especially in women under age 60, when taken off hormone therapy.2 This fact is quite ironic, as many clinicians are trying to rush to get women off hormone therapy in order to protect the heart, when the evidence does not suggest this. Just as with other hormone-deficiency conditions, the status needs to be periodically reviewed, and doses may need to be adjusted. However, after age 60 or 65, women do not automatically start producing the sex hormone that they have been deficient in. While menopause is not a definite endocrinopathy, it is a potential endocrinopathy; and for some women, such as young women who are oophorectomized, it is an absolute endocrinopathy.

The International Menopause Society has published updated guidelines emphasizing that new data and reanalysis of older data show that for most women the benefits of menopausal hormone therapy are much greater than the risks, particularly when started within a few years of menopause.3

To the Editor: I much enjoyed the important article by Drs. Lipold, Batur, and Kagan on whether there is a time limit for systemic menopausal hormone therapy.1 The simple answer is no. The authors did a good job of reviewing the factors to consider in terms of contraindications and precautions when prescribing menopausal hormone therapy.

An important part of the discussion regarding stopping hormone therapy is the recent evidence from Finland that has shown increased risks of myocardial infarction and stroke, especially in women under age 60, when taken off hormone therapy.2 This fact is quite ironic, as many clinicians are trying to rush to get women off hormone therapy in order to protect the heart, when the evidence does not suggest this. Just as with other hormone-deficiency conditions, the status needs to be periodically reviewed, and doses may need to be adjusted. However, after age 60 or 65, women do not automatically start producing the sex hormone that they have been deficient in. While menopause is not a definite endocrinopathy, it is a potential endocrinopathy; and for some women, such as young women who are oophorectomized, it is an absolute endocrinopathy.

The International Menopause Society has published updated guidelines emphasizing that new data and reanalysis of older data show that for most women the benefits of menopausal hormone therapy are much greater than the risks, particularly when started within a few years of menopause.3

References
  1. Lipold LD, Batur P, Kagan R. Is there a time limit for systemic menopausal hormone therapy? Cleve Clin J Med 2016; 83:605–612.
  2. Mikkola TS, Tuomikoski P, Lyytinen H, et al. Increased cardiovascular mortality risk in women discontinuing postmenopausal hormone therapy. J Clin Endocrinol Metab 2015; 100:4588–4594.
  3. Baber RJ, Panay N, Fenton A; IMS Writing Group. 2016 IMS recommendations on women’s midlife health and menopause hormone therapy. Climacteric 2016; 19:109–150.
References
  1. Lipold LD, Batur P, Kagan R. Is there a time limit for systemic menopausal hormone therapy? Cleve Clin J Med 2016; 83:605–612.
  2. Mikkola TS, Tuomikoski P, Lyytinen H, et al. Increased cardiovascular mortality risk in women discontinuing postmenopausal hormone therapy. J Clin Endocrinol Metab 2015; 100:4588–4594.
  3. Baber RJ, Panay N, Fenton A; IMS Writing Group. 2016 IMS recommendations on women’s midlife health and menopause hormone therapy. Climacteric 2016; 19:109–150.
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In reply: Menopausal hormone therapy

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In Reply: We would like to thank Dr. Thacker for her interest in our article on the clinical considerations regarding optimal duration of hormone therapy.1 We agree that the simple answer to whether there is there a time limit for systemic menopausal hormone therapy is no, emphasizing an individualized approach to each patient. After appropriate counseling and shared decision-making, some women may elect a short duration of therapy while others prefer longer-term use.

As Dr. Thacker mentioned, Mikkola et al2 performed an observational study of more than 300,000 Finnish women who discontinued hormone therapy. Data on the number of deaths in this group were gathered from a national database and compared with the expected number of deaths in the background population; 30% of the listed causes of death were confirmed by autopsy. In women who had started hormone therapy before age 60, the risk of cardiac death was elevated within the first year after stopping it (standardized mortality ratio [SMR] 1.74; 95% confidence interval [CI] 1.37–2.19), as was the risk of stroke (SMR 2.59, 95% CI 2.08–3.19). This was not true in women who started hormone therapy at age 60 and older. These findings are consistent with our contemporary understanding that for many women younger than age 60 the benefits of hormone therapy outweigh the risks.

The study had several important limitations:

  • A healthy-woman bias may have contributed to the reduction in cardiovascular risk.
  • No dates for the myocardial infarctions or strokes were available, and the dates hormone therapy was discontined potentially had a 3-month error.
  • No data were available on important confounding factors such as smoking, body mass index, blood pressure, lipid levels, and family history.
  • Hormone therapy users were compared with an age-standardized background population, which also included hormone therapy users.
  • Long-term follow-up data were also perplexing: although more women than expected died of stroke or coronary heart disease within the first year of stopping hormone therapy, after 1 year, significantly fewer women died of these conditions than expected, regardless of how long they had been on hormone therapy before stopping.

These observations highlight the need for long-term, randomized, prospective controlled studies that adequately assess all long-term outcomes (cardiovascular events, mortality, cancer, fracture) in women who initiate hormone therapy before age 60 and within 10 years of menopause, including long-term follow-up after discontinuation. Though future randomized controlled trials will be beneficial to help guide women to a more balanced understanding of long-term hormone therapy and the risks of discontinuation, the current evidence supports continuing hormone therapy in women who derive a net benefit.

References
  1. Lipold LD, Batur P, Kagan R. Is there a time limit for systemic menopausal hormone therapy? Cleve Clin J Med 2016; 83:605–612.
  2. Mikkola TS, Tuomikoski P, Lyytinen H, et al. Increased cardiovascular mortality risk in women discontinuing postmenopausal hormone therapy. J Clin Endocrinol Metab 2015; 100:4588–4594.
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Pelin Batur, MD, NCMP, CCD
Education Director, Primary Care Women’s Health, Cleveland Clinic; Assistant Professor, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH

Risa Kagan, MD, FACOG, CCD, NCMP
East Bay Physicians Medical Group; Clinical Professor, University of California, San Francisco

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Pelin Batur, MD, NCMP, CCD
Education Director, Primary Care Women’s Health, Cleveland Clinic; Assistant Professor, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH

Risa Kagan, MD, FACOG, CCD, NCMP
East Bay Physicians Medical Group; Clinical Professor, University of California, San Francisco

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Director, Primary Care Women’s Health, Medicine Institute, Cleveland Clinic; Assistant Professor, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH

Pelin Batur, MD, NCMP, CCD
Education Director, Primary Care Women’s Health, Cleveland Clinic; Assistant Professor, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH

Risa Kagan, MD, FACOG, CCD, NCMP
East Bay Physicians Medical Group; Clinical Professor, University of California, San Francisco

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In Reply: We would like to thank Dr. Thacker for her interest in our article on the clinical considerations regarding optimal duration of hormone therapy.1 We agree that the simple answer to whether there is there a time limit for systemic menopausal hormone therapy is no, emphasizing an individualized approach to each patient. After appropriate counseling and shared decision-making, some women may elect a short duration of therapy while others prefer longer-term use.

As Dr. Thacker mentioned, Mikkola et al2 performed an observational study of more than 300,000 Finnish women who discontinued hormone therapy. Data on the number of deaths in this group were gathered from a national database and compared with the expected number of deaths in the background population; 30% of the listed causes of death were confirmed by autopsy. In women who had started hormone therapy before age 60, the risk of cardiac death was elevated within the first year after stopping it (standardized mortality ratio [SMR] 1.74; 95% confidence interval [CI] 1.37–2.19), as was the risk of stroke (SMR 2.59, 95% CI 2.08–3.19). This was not true in women who started hormone therapy at age 60 and older. These findings are consistent with our contemporary understanding that for many women younger than age 60 the benefits of hormone therapy outweigh the risks.

The study had several important limitations:

  • A healthy-woman bias may have contributed to the reduction in cardiovascular risk.
  • No dates for the myocardial infarctions or strokes were available, and the dates hormone therapy was discontined potentially had a 3-month error.
  • No data were available on important confounding factors such as smoking, body mass index, blood pressure, lipid levels, and family history.
  • Hormone therapy users were compared with an age-standardized background population, which also included hormone therapy users.
  • Long-term follow-up data were also perplexing: although more women than expected died of stroke or coronary heart disease within the first year of stopping hormone therapy, after 1 year, significantly fewer women died of these conditions than expected, regardless of how long they had been on hormone therapy before stopping.

These observations highlight the need for long-term, randomized, prospective controlled studies that adequately assess all long-term outcomes (cardiovascular events, mortality, cancer, fracture) in women who initiate hormone therapy before age 60 and within 10 years of menopause, including long-term follow-up after discontinuation. Though future randomized controlled trials will be beneficial to help guide women to a more balanced understanding of long-term hormone therapy and the risks of discontinuation, the current evidence supports continuing hormone therapy in women who derive a net benefit.

In Reply: We would like to thank Dr. Thacker for her interest in our article on the clinical considerations regarding optimal duration of hormone therapy.1 We agree that the simple answer to whether there is there a time limit for systemic menopausal hormone therapy is no, emphasizing an individualized approach to each patient. After appropriate counseling and shared decision-making, some women may elect a short duration of therapy while others prefer longer-term use.

As Dr. Thacker mentioned, Mikkola et al2 performed an observational study of more than 300,000 Finnish women who discontinued hormone therapy. Data on the number of deaths in this group were gathered from a national database and compared with the expected number of deaths in the background population; 30% of the listed causes of death were confirmed by autopsy. In women who had started hormone therapy before age 60, the risk of cardiac death was elevated within the first year after stopping it (standardized mortality ratio [SMR] 1.74; 95% confidence interval [CI] 1.37–2.19), as was the risk of stroke (SMR 2.59, 95% CI 2.08–3.19). This was not true in women who started hormone therapy at age 60 and older. These findings are consistent with our contemporary understanding that for many women younger than age 60 the benefits of hormone therapy outweigh the risks.

The study had several important limitations:

  • A healthy-woman bias may have contributed to the reduction in cardiovascular risk.
  • No dates for the myocardial infarctions or strokes were available, and the dates hormone therapy was discontined potentially had a 3-month error.
  • No data were available on important confounding factors such as smoking, body mass index, blood pressure, lipid levels, and family history.
  • Hormone therapy users were compared with an age-standardized background population, which also included hormone therapy users.
  • Long-term follow-up data were also perplexing: although more women than expected died of stroke or coronary heart disease within the first year of stopping hormone therapy, after 1 year, significantly fewer women died of these conditions than expected, regardless of how long they had been on hormone therapy before stopping.

These observations highlight the need for long-term, randomized, prospective controlled studies that adequately assess all long-term outcomes (cardiovascular events, mortality, cancer, fracture) in women who initiate hormone therapy before age 60 and within 10 years of menopause, including long-term follow-up after discontinuation. Though future randomized controlled trials will be beneficial to help guide women to a more balanced understanding of long-term hormone therapy and the risks of discontinuation, the current evidence supports continuing hormone therapy in women who derive a net benefit.

References
  1. Lipold LD, Batur P, Kagan R. Is there a time limit for systemic menopausal hormone therapy? Cleve Clin J Med 2016; 83:605–612.
  2. Mikkola TS, Tuomikoski P, Lyytinen H, et al. Increased cardiovascular mortality risk in women discontinuing postmenopausal hormone therapy. J Clin Endocrinol Metab 2015; 100:4588–4594.
References
  1. Lipold LD, Batur P, Kagan R. Is there a time limit for systemic menopausal hormone therapy? Cleve Clin J Med 2016; 83:605–612.
  2. Mikkola TS, Tuomikoski P, Lyytinen H, et al. Increased cardiovascular mortality risk in women discontinuing postmenopausal hormone therapy. J Clin Endocrinol Metab 2015; 100:4588–4594.
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ReACT: No benefit from routine coronary angiography after PCI

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Routine follow-up coronary angiography after percutaneous coronary intervention leads to increased rates of coronary revascularization but without any significant benefits for outcomes, according to a study presented at the Transcatheter Cardiovascular Therapeutics annual meeting and published simultaneously on Nov. 1 in the Journal of the American College of Cardiology: Cardiovascular Interventions.

Hiroki Shiomi, MD, from Kyoto University, and his coauthors reported on ReACT, a prospective, open-label randomized controlled trial of routine follow-up coronary angiography in 700 patients who underwent successful percutaneous coronary intervention (PCI).

Among the 349 patients randomized to follow-up coronary angiography (FUCAG), 12.8% underwent any coronary revascularization within the first year after PCI, compared with 3.8% of the 351 patients randomized to standard clinical follow-up. The routine angiography group also had a higher incidence of target lesion revascularization in the first year after the index PCI (7.0% vs. 1.7%).

In both these cases, the cumulative 5-year incidence of coronary or target lesion revascularization was not significantly different between the routine angiography and control groups. However researchers saw no significant benefit from routine FUCAG in terms of the cumulative 5-year incidence of all-cause death, myocardial infarction, stroke, or emergency hospitalizations for acute coronary syndrome or heart failure, compared with clinical follow-up (22.4% vs. 24.7%; P = 0.70).

Nor were there any significant differences between the two groups in these individual components, or in the cumulative 5-year incidence of major bleeding (JACC Cardiovasc Interv. 2016 Nov 1.)

The authors commented that several previous studies have shown that routine FUCAG does not improve clinical outcomes, although it is still commonly performed in Japan after PCI.

“However, previous studies in the drug-eluting stents (DES) era were conducted in the context of pivotal randomized trials of DES and there have been no randomized clinical trials evaluating long-term clinical impact of routine FUCAG after PCI in the real world clinical practice including high-risk patients for cardiovascular events risk such as complex coronary artery disease and acute myocardial infarction (AMI) presentation,” the authors wrote.

Overall, 85.4% of patients in the routine angiography group and 12% of those in the clinical care group underwent coronary angiography in the first year, including for clinical reasons.

In the clinical follow-up group, coronary angiography was performed because of acute coronary syndrome (14%), recurrence of angina (60%), other clinical reasons (14%), or no clinical reason (12%). The control group also had more noninvasive physiological stress testing such as treadmill exercise test and stress nuclear study.

“Considering the invasive nature of coronary angiography and increased medical expenses, routine FUCAG after PCI would not be allowed as the usual clinical practice, unless patients have recurrent symptoms or objective evidence of ischemia,” the authors wrote.

“On the other hand, there was no excess of adverse clinical events with routine angiographic follow-up strategy except for the increased rate of 1-year repeat coronary revascularization.”

Given this, they suggested that scheduled angiographic follow-up might still be considered acceptable for early in vivo or significant coronary device trials.

While the authors said the trial ended up being underpowered because of a reduced final sample size and lower-than-anticipated event rate, it did warrant further larger-scale studies. In particular, they highlighted the question of what impact routine follow-up angiography might have in higher-risk patients, such as those with left main or multivessel coronary artery disease.

“Finally, because patient demographics, practice patterns including the indication of coronary revascularization, and clinical outcomes in Japan may be different from those outside Japan, generalizing the present study results to populations outside Japan should be done with caution.”

This study was supported by an educational grant from the Research Institute for Production Development (Kyoto). One author declared honoraria for education consulting from Boston Scientific Corporation.
 

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Routine follow-up coronary angiography after percutaneous coronary intervention leads to increased rates of coronary revascularization but without any significant benefits for outcomes, according to a study presented at the Transcatheter Cardiovascular Therapeutics annual meeting and published simultaneously on Nov. 1 in the Journal of the American College of Cardiology: Cardiovascular Interventions.

Hiroki Shiomi, MD, from Kyoto University, and his coauthors reported on ReACT, a prospective, open-label randomized controlled trial of routine follow-up coronary angiography in 700 patients who underwent successful percutaneous coronary intervention (PCI).

Among the 349 patients randomized to follow-up coronary angiography (FUCAG), 12.8% underwent any coronary revascularization within the first year after PCI, compared with 3.8% of the 351 patients randomized to standard clinical follow-up. The routine angiography group also had a higher incidence of target lesion revascularization in the first year after the index PCI (7.0% vs. 1.7%).

In both these cases, the cumulative 5-year incidence of coronary or target lesion revascularization was not significantly different between the routine angiography and control groups. However researchers saw no significant benefit from routine FUCAG in terms of the cumulative 5-year incidence of all-cause death, myocardial infarction, stroke, or emergency hospitalizations for acute coronary syndrome or heart failure, compared with clinical follow-up (22.4% vs. 24.7%; P = 0.70).

Nor were there any significant differences between the two groups in these individual components, or in the cumulative 5-year incidence of major bleeding (JACC Cardiovasc Interv. 2016 Nov 1.)

The authors commented that several previous studies have shown that routine FUCAG does not improve clinical outcomes, although it is still commonly performed in Japan after PCI.

“However, previous studies in the drug-eluting stents (DES) era were conducted in the context of pivotal randomized trials of DES and there have been no randomized clinical trials evaluating long-term clinical impact of routine FUCAG after PCI in the real world clinical practice including high-risk patients for cardiovascular events risk such as complex coronary artery disease and acute myocardial infarction (AMI) presentation,” the authors wrote.

Overall, 85.4% of patients in the routine angiography group and 12% of those in the clinical care group underwent coronary angiography in the first year, including for clinical reasons.

In the clinical follow-up group, coronary angiography was performed because of acute coronary syndrome (14%), recurrence of angina (60%), other clinical reasons (14%), or no clinical reason (12%). The control group also had more noninvasive physiological stress testing such as treadmill exercise test and stress nuclear study.

“Considering the invasive nature of coronary angiography and increased medical expenses, routine FUCAG after PCI would not be allowed as the usual clinical practice, unless patients have recurrent symptoms or objective evidence of ischemia,” the authors wrote.

“On the other hand, there was no excess of adverse clinical events with routine angiographic follow-up strategy except for the increased rate of 1-year repeat coronary revascularization.”

Given this, they suggested that scheduled angiographic follow-up might still be considered acceptable for early in vivo or significant coronary device trials.

While the authors said the trial ended up being underpowered because of a reduced final sample size and lower-than-anticipated event rate, it did warrant further larger-scale studies. In particular, they highlighted the question of what impact routine follow-up angiography might have in higher-risk patients, such as those with left main or multivessel coronary artery disease.

“Finally, because patient demographics, practice patterns including the indication of coronary revascularization, and clinical outcomes in Japan may be different from those outside Japan, generalizing the present study results to populations outside Japan should be done with caution.”

This study was supported by an educational grant from the Research Institute for Production Development (Kyoto). One author declared honoraria for education consulting from Boston Scientific Corporation.
 

 

Routine follow-up coronary angiography after percutaneous coronary intervention leads to increased rates of coronary revascularization but without any significant benefits for outcomes, according to a study presented at the Transcatheter Cardiovascular Therapeutics annual meeting and published simultaneously on Nov. 1 in the Journal of the American College of Cardiology: Cardiovascular Interventions.

Hiroki Shiomi, MD, from Kyoto University, and his coauthors reported on ReACT, a prospective, open-label randomized controlled trial of routine follow-up coronary angiography in 700 patients who underwent successful percutaneous coronary intervention (PCI).

Among the 349 patients randomized to follow-up coronary angiography (FUCAG), 12.8% underwent any coronary revascularization within the first year after PCI, compared with 3.8% of the 351 patients randomized to standard clinical follow-up. The routine angiography group also had a higher incidence of target lesion revascularization in the first year after the index PCI (7.0% vs. 1.7%).

In both these cases, the cumulative 5-year incidence of coronary or target lesion revascularization was not significantly different between the routine angiography and control groups. However researchers saw no significant benefit from routine FUCAG in terms of the cumulative 5-year incidence of all-cause death, myocardial infarction, stroke, or emergency hospitalizations for acute coronary syndrome or heart failure, compared with clinical follow-up (22.4% vs. 24.7%; P = 0.70).

Nor were there any significant differences between the two groups in these individual components, or in the cumulative 5-year incidence of major bleeding (JACC Cardiovasc Interv. 2016 Nov 1.)

The authors commented that several previous studies have shown that routine FUCAG does not improve clinical outcomes, although it is still commonly performed in Japan after PCI.

“However, previous studies in the drug-eluting stents (DES) era were conducted in the context of pivotal randomized trials of DES and there have been no randomized clinical trials evaluating long-term clinical impact of routine FUCAG after PCI in the real world clinical practice including high-risk patients for cardiovascular events risk such as complex coronary artery disease and acute myocardial infarction (AMI) presentation,” the authors wrote.

Overall, 85.4% of patients in the routine angiography group and 12% of those in the clinical care group underwent coronary angiography in the first year, including for clinical reasons.

In the clinical follow-up group, coronary angiography was performed because of acute coronary syndrome (14%), recurrence of angina (60%), other clinical reasons (14%), or no clinical reason (12%). The control group also had more noninvasive physiological stress testing such as treadmill exercise test and stress nuclear study.

“Considering the invasive nature of coronary angiography and increased medical expenses, routine FUCAG after PCI would not be allowed as the usual clinical practice, unless patients have recurrent symptoms or objective evidence of ischemia,” the authors wrote.

“On the other hand, there was no excess of adverse clinical events with routine angiographic follow-up strategy except for the increased rate of 1-year repeat coronary revascularization.”

Given this, they suggested that scheduled angiographic follow-up might still be considered acceptable for early in vivo or significant coronary device trials.

While the authors said the trial ended up being underpowered because of a reduced final sample size and lower-than-anticipated event rate, it did warrant further larger-scale studies. In particular, they highlighted the question of what impact routine follow-up angiography might have in higher-risk patients, such as those with left main or multivessel coronary artery disease.

“Finally, because patient demographics, practice patterns including the indication of coronary revascularization, and clinical outcomes in Japan may be different from those outside Japan, generalizing the present study results to populations outside Japan should be done with caution.”

This study was supported by an educational grant from the Research Institute for Production Development (Kyoto). One author declared honoraria for education consulting from Boston Scientific Corporation.
 

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Key clinical point: Routine follow-up coronary angiography after percutaneous coronary intervention increases rates of coronary revascularization but does not improve outcomes.

Major finding: Patients who underwent routine angiographic follow-up had a similar cumulative 5-year incidence of all-cause death, myocardial infarction, stroke, or emergency hospitalizations for acute coronary syndrome or heart failure as those who had standard clinical follow-up.

Data source: ReACT: a prospective, open-label randomized controlled trial in 700 patients after percutaneous coronary intervention.

Disclosures: This study was supported by an educational grant from the Research Institute for Production Development (Kyoto). One author declared honoraria for education consulting from Boston Scientific Corporation.

Interrupting oral anticoagulation in AF carries high thromboembolic cost

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ROME– Temporary interruption of oral anticoagulation for stroke prevention in patients with atrial fibrillation occurs often and is associated with substantially increased risk of both cardioembolic events and all-cause mortality, according to a new prespecified secondary analysis of the ENGAGE-AF TIMI 48 trial.

The analysis showed that many of these treatment interruptions occur in response to nonserious adverse events such as minor bleeding, planned dental procedures, or simply because of patient wishes. The new ENGAGE-AF TIMI 48 findings should encourage physicians and patients to think twice before interrupting anticoagulant therapy for such reasons, which look pretty flimsy in light of the new evidence of the potentially serious consequences, Ilaria Cavallari, MD, said at the annual congress of the European Society of Cardiology.

Bruce Jancin/Frontline Medical News
Dr. Ilaria Cavallari
“Interruption of oral anticoagulation in patients with AF [atrial fibrillation] should be avoided or as brief as possible and under medical control, especially following nonserious adverse events,” said Dr. Cavallari of Brigham and Women’s Hospital in Boston.

The ENGAGE-AF TIMI 48 study was the pivotal phase III, double-blind, 21,105-patient clinical trial that led to Food and Drug Administration and European approval of the direct oral factor Xa inhibitor edoxaban (Savaysa) for stroke prevention in moderate- to high-risk patients with AF (N Engl J Med. 2013 Nov 28;369[22]:2093-104). The study showed that edoxaban at what later became the approved dose of 60 mg/day, or 30 mg/day in patients with impaired renal function, body weight of 60 kg or less, or on concomitant therapy with a platelet glycoprotein inhibitor, resulted in a 21% reduction in the risk of stroke or systemic embolism and a 20% reduction in major bleeding, compared with warfarin over 2.8 years of follow-up.

Dr. Cavallari presented a prespecified secondary retrospective analysis that focused on treatment interruptions: the reasons and the price paid in terms of thromboembolic events.

One or more treatment interruptions lasting for longer than 3 days occurred in 63% of patients during a median 2.8 years of follow-up. Since these were participants in a clinical trial with relatively close patient contact, it’s likely that the true interruption rate in real-world clinical practice is even higher, she said.

Interruptions were more significantly frequent in patients assigned to warfarin than among the groups assigned to edoxaban. The median duration of treatment interruptions was 9 days.

After excluding patients who were on any other anticoagulant during their interruption – low-molecular-weight heparin being the most common – investigators were left with 9,148 patients.

The endpoints of interest in this analysis were the major adverse events occurring during a time window lasting from 4 days after their last dose of oral anticoagulant until day 34 or when they resumed their study drug. The 30-day incidence of ischemic stroke or systemic embolism was 1.27%. The rate of a composite composed of cardiovascular death, MI, and ischemic stroke or systemic embolism was 4.99%. And the 30-day rate of an endpoint Dr. Cavallari termed primary net clinical outcome – a composite of stroke or systemic embolism, major bleeding, and all-cause mortality – was 7.16%.

These 30-day event rates among treatment interrupters are extremely high, compared with the 1-year rates in patients who didn’t interrupt oral anticoagulant therapy: 0.26% for ischemic stroke or systemic embolism; 0.36% for the composite of cardiovascular death, MI, and ischemic stroke; and 0.56% for the primary net clinical outcome, she continued.

The most common reason for treatment interruptions was adverse events, which accounted for 41% of the interruptions.

Drilling deeper into the types of adverse events that triggered treatment interruption, 1.5% of interrupters did so because of an on-treatment ischemic stroke or systemic embolism, 4.7% did so because of major bleeding, 8% had minor and clinically relevant nonmajor bleeding, another 30% interrupted treatment for other serious or nonserious adverse events.

Interrupting therapy because of an adverse event often had serious consequences, as reflected in an adjusted 3.94-fold increased risk of 30-day all-cause mortality, compared with patients who stopped for other reasons. Patients who stopped treatment because of a stroke, transient ischemic attack, or systemic embolism had a 30-day all-cause mortality of 29.3%. Those who interrupted treatment because of a major bleeding event had an 8.8% 30-day mortality. When minor or clinically relevant nonmajor bleeding was the impetus for a treatment interruption, the associated 30-day mortality was 3.4%.

Almost a third (29%) of treatment interruptions were the result of physician decisions in response to an upcoming invasive procedure, most often dental work.

The 30-day rates of ischemic stroke/systemic embolism and primary net clinical outcome didn’t differ significantly between patients who interrupted warfarin versus edoxaban at the approved dose. Nonetheless, this new secondary analysis from ENGAGE-AF TIMI 48 supports the parent study’s conclusion that edoxaban is preferable to warfarin in patients with AF, according to Dr. Cavallari.

“In light of the increased risk of ischemic events after interruption of oral anticoagulation, NOACs [new oral anticoagulants] represent an attractive alternative to vitamin K antagonists, given their faster onset of action, better adherence rates, safety, and tolerability profiles,” she concluded.

ENGAGE AF-TIMI 48 was funded by Daiichi Sankyo. Dr. Cavallari reported having no financial conflicts of interest regarding her presentation.
 

 

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ROME– Temporary interruption of oral anticoagulation for stroke prevention in patients with atrial fibrillation occurs often and is associated with substantially increased risk of both cardioembolic events and all-cause mortality, according to a new prespecified secondary analysis of the ENGAGE-AF TIMI 48 trial.

The analysis showed that many of these treatment interruptions occur in response to nonserious adverse events such as minor bleeding, planned dental procedures, or simply because of patient wishes. The new ENGAGE-AF TIMI 48 findings should encourage physicians and patients to think twice before interrupting anticoagulant therapy for such reasons, which look pretty flimsy in light of the new evidence of the potentially serious consequences, Ilaria Cavallari, MD, said at the annual congress of the European Society of Cardiology.

Bruce Jancin/Frontline Medical News
Dr. Ilaria Cavallari
“Interruption of oral anticoagulation in patients with AF [atrial fibrillation] should be avoided or as brief as possible and under medical control, especially following nonserious adverse events,” said Dr. Cavallari of Brigham and Women’s Hospital in Boston.

The ENGAGE-AF TIMI 48 study was the pivotal phase III, double-blind, 21,105-patient clinical trial that led to Food and Drug Administration and European approval of the direct oral factor Xa inhibitor edoxaban (Savaysa) for stroke prevention in moderate- to high-risk patients with AF (N Engl J Med. 2013 Nov 28;369[22]:2093-104). The study showed that edoxaban at what later became the approved dose of 60 mg/day, or 30 mg/day in patients with impaired renal function, body weight of 60 kg or less, or on concomitant therapy with a platelet glycoprotein inhibitor, resulted in a 21% reduction in the risk of stroke or systemic embolism and a 20% reduction in major bleeding, compared with warfarin over 2.8 years of follow-up.

Dr. Cavallari presented a prespecified secondary retrospective analysis that focused on treatment interruptions: the reasons and the price paid in terms of thromboembolic events.

One or more treatment interruptions lasting for longer than 3 days occurred in 63% of patients during a median 2.8 years of follow-up. Since these were participants in a clinical trial with relatively close patient contact, it’s likely that the true interruption rate in real-world clinical practice is even higher, she said.

Interruptions were more significantly frequent in patients assigned to warfarin than among the groups assigned to edoxaban. The median duration of treatment interruptions was 9 days.

After excluding patients who were on any other anticoagulant during their interruption – low-molecular-weight heparin being the most common – investigators were left with 9,148 patients.

The endpoints of interest in this analysis were the major adverse events occurring during a time window lasting from 4 days after their last dose of oral anticoagulant until day 34 or when they resumed their study drug. The 30-day incidence of ischemic stroke or systemic embolism was 1.27%. The rate of a composite composed of cardiovascular death, MI, and ischemic stroke or systemic embolism was 4.99%. And the 30-day rate of an endpoint Dr. Cavallari termed primary net clinical outcome – a composite of stroke or systemic embolism, major bleeding, and all-cause mortality – was 7.16%.

These 30-day event rates among treatment interrupters are extremely high, compared with the 1-year rates in patients who didn’t interrupt oral anticoagulant therapy: 0.26% for ischemic stroke or systemic embolism; 0.36% for the composite of cardiovascular death, MI, and ischemic stroke; and 0.56% for the primary net clinical outcome, she continued.

The most common reason for treatment interruptions was adverse events, which accounted for 41% of the interruptions.

Drilling deeper into the types of adverse events that triggered treatment interruption, 1.5% of interrupters did so because of an on-treatment ischemic stroke or systemic embolism, 4.7% did so because of major bleeding, 8% had minor and clinically relevant nonmajor bleeding, another 30% interrupted treatment for other serious or nonserious adverse events.

Interrupting therapy because of an adverse event often had serious consequences, as reflected in an adjusted 3.94-fold increased risk of 30-day all-cause mortality, compared with patients who stopped for other reasons. Patients who stopped treatment because of a stroke, transient ischemic attack, or systemic embolism had a 30-day all-cause mortality of 29.3%. Those who interrupted treatment because of a major bleeding event had an 8.8% 30-day mortality. When minor or clinically relevant nonmajor bleeding was the impetus for a treatment interruption, the associated 30-day mortality was 3.4%.

Almost a third (29%) of treatment interruptions were the result of physician decisions in response to an upcoming invasive procedure, most often dental work.

The 30-day rates of ischemic stroke/systemic embolism and primary net clinical outcome didn’t differ significantly between patients who interrupted warfarin versus edoxaban at the approved dose. Nonetheless, this new secondary analysis from ENGAGE-AF TIMI 48 supports the parent study’s conclusion that edoxaban is preferable to warfarin in patients with AF, according to Dr. Cavallari.

“In light of the increased risk of ischemic events after interruption of oral anticoagulation, NOACs [new oral anticoagulants] represent an attractive alternative to vitamin K antagonists, given their faster onset of action, better adherence rates, safety, and tolerability profiles,” she concluded.

ENGAGE AF-TIMI 48 was funded by Daiichi Sankyo. Dr. Cavallari reported having no financial conflicts of interest regarding her presentation.
 

 

 

ROME– Temporary interruption of oral anticoagulation for stroke prevention in patients with atrial fibrillation occurs often and is associated with substantially increased risk of both cardioembolic events and all-cause mortality, according to a new prespecified secondary analysis of the ENGAGE-AF TIMI 48 trial.

The analysis showed that many of these treatment interruptions occur in response to nonserious adverse events such as minor bleeding, planned dental procedures, or simply because of patient wishes. The new ENGAGE-AF TIMI 48 findings should encourage physicians and patients to think twice before interrupting anticoagulant therapy for such reasons, which look pretty flimsy in light of the new evidence of the potentially serious consequences, Ilaria Cavallari, MD, said at the annual congress of the European Society of Cardiology.

Bruce Jancin/Frontline Medical News
Dr. Ilaria Cavallari
“Interruption of oral anticoagulation in patients with AF [atrial fibrillation] should be avoided or as brief as possible and under medical control, especially following nonserious adverse events,” said Dr. Cavallari of Brigham and Women’s Hospital in Boston.

The ENGAGE-AF TIMI 48 study was the pivotal phase III, double-blind, 21,105-patient clinical trial that led to Food and Drug Administration and European approval of the direct oral factor Xa inhibitor edoxaban (Savaysa) for stroke prevention in moderate- to high-risk patients with AF (N Engl J Med. 2013 Nov 28;369[22]:2093-104). The study showed that edoxaban at what later became the approved dose of 60 mg/day, or 30 mg/day in patients with impaired renal function, body weight of 60 kg or less, or on concomitant therapy with a platelet glycoprotein inhibitor, resulted in a 21% reduction in the risk of stroke or systemic embolism and a 20% reduction in major bleeding, compared with warfarin over 2.8 years of follow-up.

Dr. Cavallari presented a prespecified secondary retrospective analysis that focused on treatment interruptions: the reasons and the price paid in terms of thromboembolic events.

One or more treatment interruptions lasting for longer than 3 days occurred in 63% of patients during a median 2.8 years of follow-up. Since these were participants in a clinical trial with relatively close patient contact, it’s likely that the true interruption rate in real-world clinical practice is even higher, she said.

Interruptions were more significantly frequent in patients assigned to warfarin than among the groups assigned to edoxaban. The median duration of treatment interruptions was 9 days.

After excluding patients who were on any other anticoagulant during their interruption – low-molecular-weight heparin being the most common – investigators were left with 9,148 patients.

The endpoints of interest in this analysis were the major adverse events occurring during a time window lasting from 4 days after their last dose of oral anticoagulant until day 34 or when they resumed their study drug. The 30-day incidence of ischemic stroke or systemic embolism was 1.27%. The rate of a composite composed of cardiovascular death, MI, and ischemic stroke or systemic embolism was 4.99%. And the 30-day rate of an endpoint Dr. Cavallari termed primary net clinical outcome – a composite of stroke or systemic embolism, major bleeding, and all-cause mortality – was 7.16%.

These 30-day event rates among treatment interrupters are extremely high, compared with the 1-year rates in patients who didn’t interrupt oral anticoagulant therapy: 0.26% for ischemic stroke or systemic embolism; 0.36% for the composite of cardiovascular death, MI, and ischemic stroke; and 0.56% for the primary net clinical outcome, she continued.

The most common reason for treatment interruptions was adverse events, which accounted for 41% of the interruptions.

Drilling deeper into the types of adverse events that triggered treatment interruption, 1.5% of interrupters did so because of an on-treatment ischemic stroke or systemic embolism, 4.7% did so because of major bleeding, 8% had minor and clinically relevant nonmajor bleeding, another 30% interrupted treatment for other serious or nonserious adverse events.

Interrupting therapy because of an adverse event often had serious consequences, as reflected in an adjusted 3.94-fold increased risk of 30-day all-cause mortality, compared with patients who stopped for other reasons. Patients who stopped treatment because of a stroke, transient ischemic attack, or systemic embolism had a 30-day all-cause mortality of 29.3%. Those who interrupted treatment because of a major bleeding event had an 8.8% 30-day mortality. When minor or clinically relevant nonmajor bleeding was the impetus for a treatment interruption, the associated 30-day mortality was 3.4%.

Almost a third (29%) of treatment interruptions were the result of physician decisions in response to an upcoming invasive procedure, most often dental work.

The 30-day rates of ischemic stroke/systemic embolism and primary net clinical outcome didn’t differ significantly between patients who interrupted warfarin versus edoxaban at the approved dose. Nonetheless, this new secondary analysis from ENGAGE-AF TIMI 48 supports the parent study’s conclusion that edoxaban is preferable to warfarin in patients with AF, according to Dr. Cavallari.

“In light of the increased risk of ischemic events after interruption of oral anticoagulation, NOACs [new oral anticoagulants] represent an attractive alternative to vitamin K antagonists, given their faster onset of action, better adherence rates, safety, and tolerability profiles,” she concluded.

ENGAGE AF-TIMI 48 was funded by Daiichi Sankyo. Dr. Cavallari reported having no financial conflicts of interest regarding her presentation.
 

 

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Key clinical point: Interrupting oral anticoagulation for more than 3 days in patients with atrial fibrillation places them at sharply increased risk of thromboembolic consequences in the next 30 days.

Major finding: Atrial fibrillation patients who interrupted oral anticoagulation with edoxaban or warfarin for stroke prevention for longer than 3 days had a 127-fold increase in 30-day risk of the composite of stroke or systemic embolism, major bleeding, or all-cause mortality, compared with patients who didn’t interrupt treatment after 1 year.

Data source: A prespecified secondary analysis of 9,148 patients with atrial fibrillation who interrupted oral anticoagulation therapy with warfarin or edoxaban for longer than 3 days during a median follow-up of 2.8 years in the phase III, randomized, double-blind ENGAGE AF-TIMI 48 trial, and the consequences thereof.

Disclosures: The ENGAGE AF-TIMI 48 trial was funded by Daiichi Sankyo, which markets edoxaban. However, the presenter of this secondary analysis reported having no relevant financial interests.

Transcranial Direct Current Stimulation Enhances Cognitive Training in Parkinson’s Disease

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PORTLAND, OR—Combining trans­cranial direct current stimulation (tDCS) and cognitive training resulted in an improvement in a greater number of cognitive outcomes than either intervention alone in a small, randomized, controlled trial of patients with Parkinson’s disease and mild cognitive impairment.

Researchers at Curtin University in Perth, Australia, conducted the trial comparing the effects of standard (ie, not individualized) cognitive training (SCT), tailored (ie, individualized) cognitive training (TCT), tDCS, and a combination of tDCS with either form of cognitive training on cognitive outcomes, activities of daily living, and quality of life. Previously, it was not known whether either form of cognitive training, tDCS, or a combination of the two would be most efficacious in improving cognition.

“Executive function, attention and working memory, memory, and language were the cognitive domains that improved for some groups, and we also found that activities of daily living and quality of life improved for the different groups as well,” PhD candidate Blake Lawrence said at the Fourth World Parkinson Congress.

Blake Lawrence

Patients had cognitive deficits that did not interfere with functional independence and were responding to stable doses of antiparkinsonian medication. Forty-two eligible participants underwent neuropsychologic testing at baseline and were randomly and equally assigned to one of the following six groups: SCT, TCT, tDCS, SCT+tDCS, TCT+tDCS, or control.

Cognitive training consisted of three 45-minute sessions per week for four weeks using Smartbrain Pro software in participants’ homes. tDCS involved constant 1.5-mA stimulation for 20 minutes in one session per week for four weeks at the university, with the anode placed over area F3 to stimulate the left dorsal lateral prefrontal cortex. Neuropsychologic testing was conducted post intervention (ie, at five weeks). Follow-up evaluations were at 12 weeks.

The researchers administered tests to evaluate executive function (Stockings of Cambridge), attention and working memory (Stroop test), memory (paragraph recall), quality of life (Parkinson’s Disease Questionnaire), activities of daily living (Unified Parkinson’s Disease Rating Scale-II), and language (similarities test). In general, combining tDCS with either form of cognitive training resulted in significantly greater improvements in more outcomes than any of the modalities alone. SCT showed positive results when compared against the control group in memory improvement at follow-up (effect size, 1.30), as well as in quality of life and activities of daily living post intervention (effect sizes, 0.24 and 0.33, respectively). TCT showed benefits on quality of life at both time points (effect sizes, 0.26 and 0.12, respectively).

When combined with tDCS, SCT produced improvements in attention and working memory both post intervention and at 12-week follow-up (effect sizes, 0.60 and 0.24, respectively), and executive function at post intervention and follow-up (0.41 and 0.23, respectively). Improvement in activities of daily living and language were statistically significant only immediately post intervention.

Combining tDCS with TCT resulted in improvements post intervention and at follow-up on measures of memory (1.36 and 1.75, respectively) and executive function (0.19 and 0.92, respectively), as well as in language post intervention (1.06).

“The groups that completed both cognitive training and brain stimulation improved to a greater extent and in more outcomes than the groups that just completed the brain training or the stimulation individually,” Mr. Lawrence said. “The majority of the effects were shown immediately after the intervention, but some of the promising results ... actually maintained improvement at the 12-week follow-up, so that was after about eight weeks, when they did not complete any intervention whatsoever.”

The improvements are probably clinically meaningful to patients, since they themselves reported the outcomes on quality of life and activities of daily living scales, he said.

Daniel M. Keller

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PORTLAND, OR—Combining trans­cranial direct current stimulation (tDCS) and cognitive training resulted in an improvement in a greater number of cognitive outcomes than either intervention alone in a small, randomized, controlled trial of patients with Parkinson’s disease and mild cognitive impairment.

Researchers at Curtin University in Perth, Australia, conducted the trial comparing the effects of standard (ie, not individualized) cognitive training (SCT), tailored (ie, individualized) cognitive training (TCT), tDCS, and a combination of tDCS with either form of cognitive training on cognitive outcomes, activities of daily living, and quality of life. Previously, it was not known whether either form of cognitive training, tDCS, or a combination of the two would be most efficacious in improving cognition.

“Executive function, attention and working memory, memory, and language were the cognitive domains that improved for some groups, and we also found that activities of daily living and quality of life improved for the different groups as well,” PhD candidate Blake Lawrence said at the Fourth World Parkinson Congress.

Blake Lawrence

Patients had cognitive deficits that did not interfere with functional independence and were responding to stable doses of antiparkinsonian medication. Forty-two eligible participants underwent neuropsychologic testing at baseline and were randomly and equally assigned to one of the following six groups: SCT, TCT, tDCS, SCT+tDCS, TCT+tDCS, or control.

Cognitive training consisted of three 45-minute sessions per week for four weeks using Smartbrain Pro software in participants’ homes. tDCS involved constant 1.5-mA stimulation for 20 minutes in one session per week for four weeks at the university, with the anode placed over area F3 to stimulate the left dorsal lateral prefrontal cortex. Neuropsychologic testing was conducted post intervention (ie, at five weeks). Follow-up evaluations were at 12 weeks.

The researchers administered tests to evaluate executive function (Stockings of Cambridge), attention and working memory (Stroop test), memory (paragraph recall), quality of life (Parkinson’s Disease Questionnaire), activities of daily living (Unified Parkinson’s Disease Rating Scale-II), and language (similarities test). In general, combining tDCS with either form of cognitive training resulted in significantly greater improvements in more outcomes than any of the modalities alone. SCT showed positive results when compared against the control group in memory improvement at follow-up (effect size, 1.30), as well as in quality of life and activities of daily living post intervention (effect sizes, 0.24 and 0.33, respectively). TCT showed benefits on quality of life at both time points (effect sizes, 0.26 and 0.12, respectively).

When combined with tDCS, SCT produced improvements in attention and working memory both post intervention and at 12-week follow-up (effect sizes, 0.60 and 0.24, respectively), and executive function at post intervention and follow-up (0.41 and 0.23, respectively). Improvement in activities of daily living and language were statistically significant only immediately post intervention.

Combining tDCS with TCT resulted in improvements post intervention and at follow-up on measures of memory (1.36 and 1.75, respectively) and executive function (0.19 and 0.92, respectively), as well as in language post intervention (1.06).

“The groups that completed both cognitive training and brain stimulation improved to a greater extent and in more outcomes than the groups that just completed the brain training or the stimulation individually,” Mr. Lawrence said. “The majority of the effects were shown immediately after the intervention, but some of the promising results ... actually maintained improvement at the 12-week follow-up, so that was after about eight weeks, when they did not complete any intervention whatsoever.”

The improvements are probably clinically meaningful to patients, since they themselves reported the outcomes on quality of life and activities of daily living scales, he said.

Daniel M. Keller

PORTLAND, OR—Combining trans­cranial direct current stimulation (tDCS) and cognitive training resulted in an improvement in a greater number of cognitive outcomes than either intervention alone in a small, randomized, controlled trial of patients with Parkinson’s disease and mild cognitive impairment.

Researchers at Curtin University in Perth, Australia, conducted the trial comparing the effects of standard (ie, not individualized) cognitive training (SCT), tailored (ie, individualized) cognitive training (TCT), tDCS, and a combination of tDCS with either form of cognitive training on cognitive outcomes, activities of daily living, and quality of life. Previously, it was not known whether either form of cognitive training, tDCS, or a combination of the two would be most efficacious in improving cognition.

“Executive function, attention and working memory, memory, and language were the cognitive domains that improved for some groups, and we also found that activities of daily living and quality of life improved for the different groups as well,” PhD candidate Blake Lawrence said at the Fourth World Parkinson Congress.

Blake Lawrence

Patients had cognitive deficits that did not interfere with functional independence and were responding to stable doses of antiparkinsonian medication. Forty-two eligible participants underwent neuropsychologic testing at baseline and were randomly and equally assigned to one of the following six groups: SCT, TCT, tDCS, SCT+tDCS, TCT+tDCS, or control.

Cognitive training consisted of three 45-minute sessions per week for four weeks using Smartbrain Pro software in participants’ homes. tDCS involved constant 1.5-mA stimulation for 20 minutes in one session per week for four weeks at the university, with the anode placed over area F3 to stimulate the left dorsal lateral prefrontal cortex. Neuropsychologic testing was conducted post intervention (ie, at five weeks). Follow-up evaluations were at 12 weeks.

The researchers administered tests to evaluate executive function (Stockings of Cambridge), attention and working memory (Stroop test), memory (paragraph recall), quality of life (Parkinson’s Disease Questionnaire), activities of daily living (Unified Parkinson’s Disease Rating Scale-II), and language (similarities test). In general, combining tDCS with either form of cognitive training resulted in significantly greater improvements in more outcomes than any of the modalities alone. SCT showed positive results when compared against the control group in memory improvement at follow-up (effect size, 1.30), as well as in quality of life and activities of daily living post intervention (effect sizes, 0.24 and 0.33, respectively). TCT showed benefits on quality of life at both time points (effect sizes, 0.26 and 0.12, respectively).

When combined with tDCS, SCT produced improvements in attention and working memory both post intervention and at 12-week follow-up (effect sizes, 0.60 and 0.24, respectively), and executive function at post intervention and follow-up (0.41 and 0.23, respectively). Improvement in activities of daily living and language were statistically significant only immediately post intervention.

Combining tDCS with TCT resulted in improvements post intervention and at follow-up on measures of memory (1.36 and 1.75, respectively) and executive function (0.19 and 0.92, respectively), as well as in language post intervention (1.06).

“The groups that completed both cognitive training and brain stimulation improved to a greater extent and in more outcomes than the groups that just completed the brain training or the stimulation individually,” Mr. Lawrence said. “The majority of the effects were shown immediately after the intervention, but some of the promising results ... actually maintained improvement at the 12-week follow-up, so that was after about eight weeks, when they did not complete any intervention whatsoever.”

The improvements are probably clinically meaningful to patients, since they themselves reported the outcomes on quality of life and activities of daily living scales, he said.

Daniel M. Keller

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ASCO: Patients with advanced cancer should receive palliative care within 8 weeks of diagnosis

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Patients with advanced cancer should receive dedicated palliative care services early in the disease course, concurrently with active treatment, according to the American Society of Clinical Oncology’s new guidelines on the integration of palliative care into standard oncology care.

Ideally, patients should be referred to interdisciplinary palliative care teams within 8 weeks of cancer diagnosis, and palliative care should be available in both the inpatient and outpatient setting, recommended ASCO.

The guidelines, which updated and expanded the 2012 ASCO provisional clinical opinion, were developed by a multidisciplinary expert panel that systematically reviewed phase III randomized controlled trials, secondary analyses of those trials, and meta-analyses that were published between March 2010 and January 2016.

According to the panel, essential components of palliative care include:
 

• Rapport and relationship building with patient and family caregivers.

• Symptom, distress, and functional status management.

• Exploration of understanding and education about illness and prognosis.

• Clarification of treatment goals.

• Assessment and support of coping needs.

• Assistance with medical decision making.

Dr. Betty Ferrell
• Coordination with other care providers.

• Provision of referrals to other care providers as indicated.

The panel makes the case that not only does palliative care improve care for patients and families, it also likely reduces the total cost of care, often substantially. However, “race, poverty and low socioeconomic and/or immigration status are determinants of barriers to palliative care,” wrote the expert panel, which was cochaired by Betty Ferrell, PhD, of the City of Hope Medical Center, Duarte, Calif., and Thomas Smith, MD, of the Sidney Kimmel Comprehensive Cancer Center in Baltimore.

Dr. Thomas J. Smith
While it was not “within the scope of this guideline to examine specific factors contributing to disparities,” the panel urged health care providers to be aware of the paucity of health disparities research on palliative care and to “strive to deliver the highest level of cancer care to these vulnerable populations.”

Read the full guidelines here.
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Patients with advanced cancer should receive dedicated palliative care services early in the disease course, concurrently with active treatment, according to the American Society of Clinical Oncology’s new guidelines on the integration of palliative care into standard oncology care.

Ideally, patients should be referred to interdisciplinary palliative care teams within 8 weeks of cancer diagnosis, and palliative care should be available in both the inpatient and outpatient setting, recommended ASCO.

The guidelines, which updated and expanded the 2012 ASCO provisional clinical opinion, were developed by a multidisciplinary expert panel that systematically reviewed phase III randomized controlled trials, secondary analyses of those trials, and meta-analyses that were published between March 2010 and January 2016.

According to the panel, essential components of palliative care include:
 

• Rapport and relationship building with patient and family caregivers.

• Symptom, distress, and functional status management.

• Exploration of understanding and education about illness and prognosis.

• Clarification of treatment goals.

• Assessment and support of coping needs.

• Assistance with medical decision making.

Dr. Betty Ferrell
• Coordination with other care providers.

• Provision of referrals to other care providers as indicated.

The panel makes the case that not only does palliative care improve care for patients and families, it also likely reduces the total cost of care, often substantially. However, “race, poverty and low socioeconomic and/or immigration status are determinants of barriers to palliative care,” wrote the expert panel, which was cochaired by Betty Ferrell, PhD, of the City of Hope Medical Center, Duarte, Calif., and Thomas Smith, MD, of the Sidney Kimmel Comprehensive Cancer Center in Baltimore.

Dr. Thomas J. Smith
While it was not “within the scope of this guideline to examine specific factors contributing to disparities,” the panel urged health care providers to be aware of the paucity of health disparities research on palliative care and to “strive to deliver the highest level of cancer care to these vulnerable populations.”

Read the full guidelines here.

 

Patients with advanced cancer should receive dedicated palliative care services early in the disease course, concurrently with active treatment, according to the American Society of Clinical Oncology’s new guidelines on the integration of palliative care into standard oncology care.

Ideally, patients should be referred to interdisciplinary palliative care teams within 8 weeks of cancer diagnosis, and palliative care should be available in both the inpatient and outpatient setting, recommended ASCO.

The guidelines, which updated and expanded the 2012 ASCO provisional clinical opinion, were developed by a multidisciplinary expert panel that systematically reviewed phase III randomized controlled trials, secondary analyses of those trials, and meta-analyses that were published between March 2010 and January 2016.

According to the panel, essential components of palliative care include:
 

• Rapport and relationship building with patient and family caregivers.

• Symptom, distress, and functional status management.

• Exploration of understanding and education about illness and prognosis.

• Clarification of treatment goals.

• Assessment and support of coping needs.

• Assistance with medical decision making.

Dr. Betty Ferrell
• Coordination with other care providers.

• Provision of referrals to other care providers as indicated.

The panel makes the case that not only does palliative care improve care for patients and families, it also likely reduces the total cost of care, often substantially. However, “race, poverty and low socioeconomic and/or immigration status are determinants of barriers to palliative care,” wrote the expert panel, which was cochaired by Betty Ferrell, PhD, of the City of Hope Medical Center, Duarte, Calif., and Thomas Smith, MD, of the Sidney Kimmel Comprehensive Cancer Center in Baltimore.

Dr. Thomas J. Smith
While it was not “within the scope of this guideline to examine specific factors contributing to disparities,” the panel urged health care providers to be aware of the paucity of health disparities research on palliative care and to “strive to deliver the highest level of cancer care to these vulnerable populations.”

Read the full guidelines here.
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FROM THE JOURNAL OF CLINICAL ONCOLOGY

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The march of technology

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Each year the American Academy of Pediatrics National Conference and Exhibition fills a huge convention hall with the latest products that can improve health and generate practice revenue.

Some products are solutions to the minor annoyances of everyday practice. For instance, there are ear curettes equipped with their own LED light and a magnifying lens. There are countless creams to treat rashes. There are new automated devices for testing hearing, vision, and attention. And at the far extreme, there are products with the potential to revolutionize clinical care or to bankrupt it. The latest technology in that category is whole exome sequencing.

Dr. Kevin T. Powell
The new title for this field is precision medicine. Who could be against precision? The jargon has evolved from pharmacogenetics (too limited a description) to personalized medicine (a great image in the era of consumer-driven health care, but it has become tainted as concierge, luxury, and privileged care), and then in President Obama’s 2015 State of the Union address, he has retitled it as precision medicine. Rather than treating “the average patient,” a physician will be able to select a care plan tailored precisely for the genetics of one particular patient.

A couple weeks earlier I had listened to a national meeting of pediatric ethicists discuss this technology. Some proponents discussed the possibility of doing whole exome sequencing (WES) for every newborn. Alas, many ethicists can’t do math. Even if the cost goes below $1,000 per test, at 4 million babies per year in the United States, that is $4 billion per year. That sounds like a small sum, compared with the current federal deficit, but the original budget for the entire, 10-year-long Human Genome Project (HGP) was $4.5 billion. There were complaints in that era that diverting such an enormous amount of money into the HGP would cut the funding of a lot of other very good research at the National Institutes of Health. Conversely, Medicare spends $4.5 billion on hepatitis C treatment.

Viewed differently, the yearly per capita payment to general pediatricians, excluding vaccine costs, is around $1,000. Perhaps I’m biased, but I think I provide much more value than a genetic sequence.

Precision medicine has a lot of potential. So far, it is mostly potential. One colleague related that, in the past year, he has done WES on three patients, at about $4,000 charge for each, and gotten positive results in two cases. He figures soon he will be ordering it on every child with symptoms of autism, developmental delay, or failure to thrive. Is that a wise idea? That, it seems, is the area in which there is the least illuminating research.
 

Dr. Powell is a pediatric hospitalist and clinical ethics consultant living in St. Louis.

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Each year the American Academy of Pediatrics National Conference and Exhibition fills a huge convention hall with the latest products that can improve health and generate practice revenue.

Some products are solutions to the minor annoyances of everyday practice. For instance, there are ear curettes equipped with their own LED light and a magnifying lens. There are countless creams to treat rashes. There are new automated devices for testing hearing, vision, and attention. And at the far extreme, there are products with the potential to revolutionize clinical care or to bankrupt it. The latest technology in that category is whole exome sequencing.

Dr. Kevin T. Powell
The new title for this field is precision medicine. Who could be against precision? The jargon has evolved from pharmacogenetics (too limited a description) to personalized medicine (a great image in the era of consumer-driven health care, but it has become tainted as concierge, luxury, and privileged care), and then in President Obama’s 2015 State of the Union address, he has retitled it as precision medicine. Rather than treating “the average patient,” a physician will be able to select a care plan tailored precisely for the genetics of one particular patient.

A couple weeks earlier I had listened to a national meeting of pediatric ethicists discuss this technology. Some proponents discussed the possibility of doing whole exome sequencing (WES) for every newborn. Alas, many ethicists can’t do math. Even if the cost goes below $1,000 per test, at 4 million babies per year in the United States, that is $4 billion per year. That sounds like a small sum, compared with the current federal deficit, but the original budget for the entire, 10-year-long Human Genome Project (HGP) was $4.5 billion. There were complaints in that era that diverting such an enormous amount of money into the HGP would cut the funding of a lot of other very good research at the National Institutes of Health. Conversely, Medicare spends $4.5 billion on hepatitis C treatment.

Viewed differently, the yearly per capita payment to general pediatricians, excluding vaccine costs, is around $1,000. Perhaps I’m biased, but I think I provide much more value than a genetic sequence.

Precision medicine has a lot of potential. So far, it is mostly potential. One colleague related that, in the past year, he has done WES on three patients, at about $4,000 charge for each, and gotten positive results in two cases. He figures soon he will be ordering it on every child with symptoms of autism, developmental delay, or failure to thrive. Is that a wise idea? That, it seems, is the area in which there is the least illuminating research.
 

Dr. Powell is a pediatric hospitalist and clinical ethics consultant living in St. Louis.

 

Each year the American Academy of Pediatrics National Conference and Exhibition fills a huge convention hall with the latest products that can improve health and generate practice revenue.

Some products are solutions to the minor annoyances of everyday practice. For instance, there are ear curettes equipped with their own LED light and a magnifying lens. There are countless creams to treat rashes. There are new automated devices for testing hearing, vision, and attention. And at the far extreme, there are products with the potential to revolutionize clinical care or to bankrupt it. The latest technology in that category is whole exome sequencing.

Dr. Kevin T. Powell
The new title for this field is precision medicine. Who could be against precision? The jargon has evolved from pharmacogenetics (too limited a description) to personalized medicine (a great image in the era of consumer-driven health care, but it has become tainted as concierge, luxury, and privileged care), and then in President Obama’s 2015 State of the Union address, he has retitled it as precision medicine. Rather than treating “the average patient,” a physician will be able to select a care plan tailored precisely for the genetics of one particular patient.

A couple weeks earlier I had listened to a national meeting of pediatric ethicists discuss this technology. Some proponents discussed the possibility of doing whole exome sequencing (WES) for every newborn. Alas, many ethicists can’t do math. Even if the cost goes below $1,000 per test, at 4 million babies per year in the United States, that is $4 billion per year. That sounds like a small sum, compared with the current federal deficit, but the original budget for the entire, 10-year-long Human Genome Project (HGP) was $4.5 billion. There were complaints in that era that diverting such an enormous amount of money into the HGP would cut the funding of a lot of other very good research at the National Institutes of Health. Conversely, Medicare spends $4.5 billion on hepatitis C treatment.

Viewed differently, the yearly per capita payment to general pediatricians, excluding vaccine costs, is around $1,000. Perhaps I’m biased, but I think I provide much more value than a genetic sequence.

Precision medicine has a lot of potential. So far, it is mostly potential. One colleague related that, in the past year, he has done WES on three patients, at about $4,000 charge for each, and gotten positive results in two cases. He figures soon he will be ordering it on every child with symptoms of autism, developmental delay, or failure to thrive. Is that a wise idea? That, it seems, is the area in which there is the least illuminating research.
 

Dr. Powell is a pediatric hospitalist and clinical ethics consultant living in St. Louis.

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Clinical Challenges - November 2016

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Clinical Challenges - November 2016
What’s your diagnosis?

Answer to “What’s your diagnosis?” on page X: Collagenous gastritis and collagenous sprue

Histology revealed a thickened subepithelial collagen band in the stomach (Figure C) and total villous blunting with an increased subepithelial collagen band in the duodenal bulb (Figure D). Conversely, the histologic appearance of the second portion of the duodenum was completely normal (Figure E). Gastric biopsies were negative for Helicobacter pylori. The diagnoses of collagenous gastritis and collagenous sprue were established. Treatment included initiation of a gluten-free diet along with a trial of omeprazole.

Collagenous gastritis is an uncommon condition first described in 1989. A recent review defined two patient groups based on age and presentation with children and young adults presenting with anemia and abdominal pain and older adults predominantly presenting with diarrhea. In the adult group, two cases were associated with celiac disease, whereas an additional five individuals were found to have concurrent collagenous or lymphocytic colitis.1 Various treatment approaches including acid suppression, corticosteroids, misoprostol, mesalamine, and sucralfate were tried with mostly disappointing results; interventions therefore mainly focus on concurrent diseases such as gluten-free diet for celiac disease and budesonide for collagenous colitis.2

Despite a sensitivity in the 90%-98% range of tTG antibodies for the detection of celiac disease, this case demonstrates that a negative IgA/IgG tTG cannot entirely exclude the diagnosis and that duodenal biopsies should still be obtained in the setting of a high clinical suspicion for celiac disease or an abnormal-appearing duodenum on endoscopy.

Recent studies have also shown the importance of obtaining at least 1 biopsy from the duodenal bulb to avoid missing the diagnosis of celiac disease. In 126 patients with newly established celiac disease and 85 patients with a previous diagnosis on a gluten-free diet presenting for reevaluation, villous atrophy was limited to the duodenal bulb in 9% and 14% of cases, respectively.3

 

References

1. Brain, O., Rajaguru, C., Warren, B. et al. Collagenous gastritis: reports and systematic review. Eur J Gastroenterol Hepatol. 2009;21:1419-24.

2. Gopal, P., McKenna, B.J. The collagenous gastroenteritides: similarities and differences. Arch Pathol Lab Med. 2010;134:1485-9.

3. Evans, K.E., Aziz, I., Cross, S.S. et al. A prospective study of duodenal bulb biopsy in newly diagnosed and established adult celiac disease. Am J Gastroenterol. 2011;106:1837-742.

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Answer to “What’s your diagnosis?” on page X: Collagenous gastritis and collagenous sprue

Histology revealed a thickened subepithelial collagen band in the stomach (Figure C) and total villous blunting with an increased subepithelial collagen band in the duodenal bulb (Figure D). Conversely, the histologic appearance of the second portion of the duodenum was completely normal (Figure E). Gastric biopsies were negative for Helicobacter pylori. The diagnoses of collagenous gastritis and collagenous sprue were established. Treatment included initiation of a gluten-free diet along with a trial of omeprazole.

Collagenous gastritis is an uncommon condition first described in 1989. A recent review defined two patient groups based on age and presentation with children and young adults presenting with anemia and abdominal pain and older adults predominantly presenting with diarrhea. In the adult group, two cases were associated with celiac disease, whereas an additional five individuals were found to have concurrent collagenous or lymphocytic colitis.1 Various treatment approaches including acid suppression, corticosteroids, misoprostol, mesalamine, and sucralfate were tried with mostly disappointing results; interventions therefore mainly focus on concurrent diseases such as gluten-free diet for celiac disease and budesonide for collagenous colitis.2

Despite a sensitivity in the 90%-98% range of tTG antibodies for the detection of celiac disease, this case demonstrates that a negative IgA/IgG tTG cannot entirely exclude the diagnosis and that duodenal biopsies should still be obtained in the setting of a high clinical suspicion for celiac disease or an abnormal-appearing duodenum on endoscopy.

Recent studies have also shown the importance of obtaining at least 1 biopsy from the duodenal bulb to avoid missing the diagnosis of celiac disease. In 126 patients with newly established celiac disease and 85 patients with a previous diagnosis on a gluten-free diet presenting for reevaluation, villous atrophy was limited to the duodenal bulb in 9% and 14% of cases, respectively.3

 

References

1. Brain, O., Rajaguru, C., Warren, B. et al. Collagenous gastritis: reports and systematic review. Eur J Gastroenterol Hepatol. 2009;21:1419-24.

2. Gopal, P., McKenna, B.J. The collagenous gastroenteritides: similarities and differences. Arch Pathol Lab Med. 2010;134:1485-9.

3. Evans, K.E., Aziz, I., Cross, S.S. et al. A prospective study of duodenal bulb biopsy in newly diagnosed and established adult celiac disease. Am J Gastroenterol. 2011;106:1837-742.

Answer to “What’s your diagnosis?” on page X: Collagenous gastritis and collagenous sprue

Histology revealed a thickened subepithelial collagen band in the stomach (Figure C) and total villous blunting with an increased subepithelial collagen band in the duodenal bulb (Figure D). Conversely, the histologic appearance of the second portion of the duodenum was completely normal (Figure E). Gastric biopsies were negative for Helicobacter pylori. The diagnoses of collagenous gastritis and collagenous sprue were established. Treatment included initiation of a gluten-free diet along with a trial of omeprazole.

Collagenous gastritis is an uncommon condition first described in 1989. A recent review defined two patient groups based on age and presentation with children and young adults presenting with anemia and abdominal pain and older adults predominantly presenting with diarrhea. In the adult group, two cases were associated with celiac disease, whereas an additional five individuals were found to have concurrent collagenous or lymphocytic colitis.1 Various treatment approaches including acid suppression, corticosteroids, misoprostol, mesalamine, and sucralfate were tried with mostly disappointing results; interventions therefore mainly focus on concurrent diseases such as gluten-free diet for celiac disease and budesonide for collagenous colitis.2

Despite a sensitivity in the 90%-98% range of tTG antibodies for the detection of celiac disease, this case demonstrates that a negative IgA/IgG tTG cannot entirely exclude the diagnosis and that duodenal biopsies should still be obtained in the setting of a high clinical suspicion for celiac disease or an abnormal-appearing duodenum on endoscopy.

Recent studies have also shown the importance of obtaining at least 1 biopsy from the duodenal bulb to avoid missing the diagnosis of celiac disease. In 126 patients with newly established celiac disease and 85 patients with a previous diagnosis on a gluten-free diet presenting for reevaluation, villous atrophy was limited to the duodenal bulb in 9% and 14% of cases, respectively.3

 

References

1. Brain, O., Rajaguru, C., Warren, B. et al. Collagenous gastritis: reports and systematic review. Eur J Gastroenterol Hepatol. 2009;21:1419-24.

2. Gopal, P., McKenna, B.J. The collagenous gastroenteritides: similarities and differences. Arch Pathol Lab Med. 2010;134:1485-9.

3. Evans, K.E., Aziz, I., Cross, S.S. et al. A prospective study of duodenal bulb biopsy in newly diagnosed and established adult celiac disease. Am J Gastroenterol. 2011;106:1837-742.

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What’s your diagnosis?
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What’s your diagnosis?

By Benjamin Kloesel, MD, Vishal S. Chandan, MD, and Glenn L. Alexander, MD. Published previously in Gastroenterology (2012;143:1439, 1692).

 

A 30-year-old woman with a past medical history of hypothyroidism presents for evaluation of epigastric discomfort, nausea without emesis, abdominal bloating, and watery, nonbloody diarrhea for 5 months. This was associated with a 15-pound weight loss. Complete blood count, liver function tests, thyroid-stimulating hormone, immunoglobulin (Ig) levels, and IgG/IgA tissue transglutaminase (tTG) were within normal limits. Stool studies for bacterial pathogens, Giardia, Clostridium difficile toxin, and ova/parasites were negative.

An upper endoscopy revealed minimal antral erythema and abnormal duodenal bulb (Figure A) with a normal-appearing postbulbar duodenum (Figure B). Biopsies of the stomach, duodenal bulb, and second portion of the duodenum were obtained.  What is the diagnosis?

 

 

 

 

 

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Results puzzling for embolic protection during TAVR

Don’t abandon cerebral protection devices
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The largest randomized clinical trial to assess the safety and efficacy of cerebral embolic protection systems during transcatheter aortic valve replacement yielded puzzling and somewhat contradictory results, according to a report presented at the Transcatheter Cardiovascular Therapeutics annual meeting and published simultaneously in the Journal of the American College of Cardiology.

Virtually every device in this industry-sponsored study involving 363 elderly patients (mean age, 83.4 years) with severe aortic stenosis trapped particulate debris as intended, the mean volume of new lesions in the protected areas of the brain was reduced by 42%, and the number and volume of new lesions correlated with neurocognitive outcomes at 30 days.

However, the reduction in lesion volume did not achieve statistical significance, and the improvement in neurocognitive function also did not reach statistical significance.

In addition, “the sample size was clearly too low to assess clinical outcomes, and in retrospect, was also too low to evaluate follow-up MRI findings or neurocognitive outcomes.” Nevertheless, the trial “provides reassuring evidence of device safety,” said Samir R. Kapadia, MD, of the Cleveland Clinic (J Am Coll Cardiol. 2016 Nov 1. doi: 10.1016/j.jacc.2016.10.023).

In this prospective study, the investigators assessed patients at 17 medical centers in the United States and 2 in Germany. In addition to being elderly, the study patients were at high risk because of frequent comorbidities, including atrial fibrillation (31.7%) and prior stroke (5.8%).

Dr. Samir R. Kapadia
In all, 121 patients were randomly assigned to undergo TAVR with a cerebral embolic protective device and 119 to TAVR without a protective device. New brain lesions were then assessed via MRI at 2-7 days post procedure, and neurocognitive function was assessed at 30 days.

The remaining 123 patients underwent TAVR but not MRI in a safety arm of the trial.

The protection devices were placed “without safety concerns” in most patients. The rate of major adverse events with the device was 7.3%, markedly less than the 18.3% prespecified performance goal for this outcome. Total procedure time was lengthened by only 13 minutes when the device was used, and total fluoroscopy time was increased by only 3 minutes. These findings demonstrate the overall safety of using the device, Dr. Kapadia said.

Debris including thrombus with tissue elements, artery wall particles, calcifications, valve tissue, and foreign materials was retrieved from the filters in 99% of patients.

The mean volume of new cerebral lesions in areas of the brain protected by the device was reduced by 42%, compared with that in patients who underwent TAVR without the protection device. However, this reduction was not statistically significant, so the primary efficacy endpoint of the study was not met.

Similarly, neurocognitive testing at 30 days showed that the volume of new lesions correlated with poorer outcomes. However, the difference in neurocognitive function between the intervention group and the control group did not reach statistical significance.

Several limitations likely contributed to this lack of statistical significance, Dr. Kapadia said.

First, the 5-day “window” for MRI assessment was too long. Both the number and the volume of new lesions rapidly changed over time, which led to marked variance in MRI findings depending on when the images were taken.

In addition, only one TAVR device was available at the time the trial was designed, so the study wasn’t stratified by type of valve device. But several new devices became available during the study, and the study investigators were permitted to use any of them. Both pre- and postimplantation techniques differ among these TAVR devices, but these differences could not be accounted for, given the study design.

Also, certain risk factors for stroke, especially certain findings on baseline MRI, were not understood when the trial was designed, and those factors also were not accounted for, Dr. Kapadia said.

Claret Medical funded the study. Dr. Kapadia reported having no relevant financial disclosures; his associates reported numerous ties to industry sources. The meeting was sponsored by the Cardiovascular Research Foundation.
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From a logical standpoint, a device that collects cerebral embolic material in 99% of cases should prevent ischemic brain injury, yet the findings from this randomized trial don’t appear to support the routine use of such devices. But it would be inappropriate and unfair to close the book on cerebral protection after this chapter.

The authors acknowledge that an MRI “window” of 5 days creates too much heterogeneity in the data, that multiple TAVR devices requiring different implantation techniques further muddy the picture, and that in retrospect the sample size was inadequate and the study was underpowered. In addition, rigorous neurocognitive assessment can be challenging in elderly, recovering patients, and results can depend on the time of day and the patient’s alertness.

Despite the negative findings regarding both primary and secondary endpoints, the data do show the overall safety of embolic protection devices. We are dealing with a potential benefit that cannot be ignored as TAVR shifts to younger and lower-risk patients.
 

Azeem Latib, MD, is in the interventional cardiology unit at San Raffaele Scientific Institute in Milan. Matteo Pagnesi, MD, is in the interventional cardiology unit at EMO-GVM Centro Cuore Columbus in Milan. San Raffaele Scientific Institute has been involved in clinical studies of embolic protection devices made by Claret Medical, Innovative Cardiovascular Solutions, and Keystone Heart. Dr. Latib and Dr. Pagnesi reported having no other relevant financial disclosures. They made these remarks in an editorial accompanying Dr. Kapadia’s report (J Am Coll Cardiol. 2016 Nov 1. doi: 10.1016/j.jacc.2016.10.036).

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From a logical standpoint, a device that collects cerebral embolic material in 99% of cases should prevent ischemic brain injury, yet the findings from this randomized trial don’t appear to support the routine use of such devices. But it would be inappropriate and unfair to close the book on cerebral protection after this chapter.

The authors acknowledge that an MRI “window” of 5 days creates too much heterogeneity in the data, that multiple TAVR devices requiring different implantation techniques further muddy the picture, and that in retrospect the sample size was inadequate and the study was underpowered. In addition, rigorous neurocognitive assessment can be challenging in elderly, recovering patients, and results can depend on the time of day and the patient’s alertness.

Despite the negative findings regarding both primary and secondary endpoints, the data do show the overall safety of embolic protection devices. We are dealing with a potential benefit that cannot be ignored as TAVR shifts to younger and lower-risk patients.
 

Azeem Latib, MD, is in the interventional cardiology unit at San Raffaele Scientific Institute in Milan. Matteo Pagnesi, MD, is in the interventional cardiology unit at EMO-GVM Centro Cuore Columbus in Milan. San Raffaele Scientific Institute has been involved in clinical studies of embolic protection devices made by Claret Medical, Innovative Cardiovascular Solutions, and Keystone Heart. Dr. Latib and Dr. Pagnesi reported having no other relevant financial disclosures. They made these remarks in an editorial accompanying Dr. Kapadia’s report (J Am Coll Cardiol. 2016 Nov 1. doi: 10.1016/j.jacc.2016.10.036).

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From a logical standpoint, a device that collects cerebral embolic material in 99% of cases should prevent ischemic brain injury, yet the findings from this randomized trial don’t appear to support the routine use of such devices. But it would be inappropriate and unfair to close the book on cerebral protection after this chapter.

The authors acknowledge that an MRI “window” of 5 days creates too much heterogeneity in the data, that multiple TAVR devices requiring different implantation techniques further muddy the picture, and that in retrospect the sample size was inadequate and the study was underpowered. In addition, rigorous neurocognitive assessment can be challenging in elderly, recovering patients, and results can depend on the time of day and the patient’s alertness.

Despite the negative findings regarding both primary and secondary endpoints, the data do show the overall safety of embolic protection devices. We are dealing with a potential benefit that cannot be ignored as TAVR shifts to younger and lower-risk patients.
 

Azeem Latib, MD, is in the interventional cardiology unit at San Raffaele Scientific Institute in Milan. Matteo Pagnesi, MD, is in the interventional cardiology unit at EMO-GVM Centro Cuore Columbus in Milan. San Raffaele Scientific Institute has been involved in clinical studies of embolic protection devices made by Claret Medical, Innovative Cardiovascular Solutions, and Keystone Heart. Dr. Latib and Dr. Pagnesi reported having no other relevant financial disclosures. They made these remarks in an editorial accompanying Dr. Kapadia’s report (J Am Coll Cardiol. 2016 Nov 1. doi: 10.1016/j.jacc.2016.10.036).

Title
Don’t abandon cerebral protection devices
Don’t abandon cerebral protection devices

 

The largest randomized clinical trial to assess the safety and efficacy of cerebral embolic protection systems during transcatheter aortic valve replacement yielded puzzling and somewhat contradictory results, according to a report presented at the Transcatheter Cardiovascular Therapeutics annual meeting and published simultaneously in the Journal of the American College of Cardiology.

Virtually every device in this industry-sponsored study involving 363 elderly patients (mean age, 83.4 years) with severe aortic stenosis trapped particulate debris as intended, the mean volume of new lesions in the protected areas of the brain was reduced by 42%, and the number and volume of new lesions correlated with neurocognitive outcomes at 30 days.

However, the reduction in lesion volume did not achieve statistical significance, and the improvement in neurocognitive function also did not reach statistical significance.

In addition, “the sample size was clearly too low to assess clinical outcomes, and in retrospect, was also too low to evaluate follow-up MRI findings or neurocognitive outcomes.” Nevertheless, the trial “provides reassuring evidence of device safety,” said Samir R. Kapadia, MD, of the Cleveland Clinic (J Am Coll Cardiol. 2016 Nov 1. doi: 10.1016/j.jacc.2016.10.023).

In this prospective study, the investigators assessed patients at 17 medical centers in the United States and 2 in Germany. In addition to being elderly, the study patients were at high risk because of frequent comorbidities, including atrial fibrillation (31.7%) and prior stroke (5.8%).

Dr. Samir R. Kapadia
In all, 121 patients were randomly assigned to undergo TAVR with a cerebral embolic protective device and 119 to TAVR without a protective device. New brain lesions were then assessed via MRI at 2-7 days post procedure, and neurocognitive function was assessed at 30 days.

The remaining 123 patients underwent TAVR but not MRI in a safety arm of the trial.

The protection devices were placed “without safety concerns” in most patients. The rate of major adverse events with the device was 7.3%, markedly less than the 18.3% prespecified performance goal for this outcome. Total procedure time was lengthened by only 13 minutes when the device was used, and total fluoroscopy time was increased by only 3 minutes. These findings demonstrate the overall safety of using the device, Dr. Kapadia said.

Debris including thrombus with tissue elements, artery wall particles, calcifications, valve tissue, and foreign materials was retrieved from the filters in 99% of patients.

The mean volume of new cerebral lesions in areas of the brain protected by the device was reduced by 42%, compared with that in patients who underwent TAVR without the protection device. However, this reduction was not statistically significant, so the primary efficacy endpoint of the study was not met.

Similarly, neurocognitive testing at 30 days showed that the volume of new lesions correlated with poorer outcomes. However, the difference in neurocognitive function between the intervention group and the control group did not reach statistical significance.

Several limitations likely contributed to this lack of statistical significance, Dr. Kapadia said.

First, the 5-day “window” for MRI assessment was too long. Both the number and the volume of new lesions rapidly changed over time, which led to marked variance in MRI findings depending on when the images were taken.

In addition, only one TAVR device was available at the time the trial was designed, so the study wasn’t stratified by type of valve device. But several new devices became available during the study, and the study investigators were permitted to use any of them. Both pre- and postimplantation techniques differ among these TAVR devices, but these differences could not be accounted for, given the study design.

Also, certain risk factors for stroke, especially certain findings on baseline MRI, were not understood when the trial was designed, and those factors also were not accounted for, Dr. Kapadia said.

Claret Medical funded the study. Dr. Kapadia reported having no relevant financial disclosures; his associates reported numerous ties to industry sources. The meeting was sponsored by the Cardiovascular Research Foundation.

 

The largest randomized clinical trial to assess the safety and efficacy of cerebral embolic protection systems during transcatheter aortic valve replacement yielded puzzling and somewhat contradictory results, according to a report presented at the Transcatheter Cardiovascular Therapeutics annual meeting and published simultaneously in the Journal of the American College of Cardiology.

Virtually every device in this industry-sponsored study involving 363 elderly patients (mean age, 83.4 years) with severe aortic stenosis trapped particulate debris as intended, the mean volume of new lesions in the protected areas of the brain was reduced by 42%, and the number and volume of new lesions correlated with neurocognitive outcomes at 30 days.

However, the reduction in lesion volume did not achieve statistical significance, and the improvement in neurocognitive function also did not reach statistical significance.

In addition, “the sample size was clearly too low to assess clinical outcomes, and in retrospect, was also too low to evaluate follow-up MRI findings or neurocognitive outcomes.” Nevertheless, the trial “provides reassuring evidence of device safety,” said Samir R. Kapadia, MD, of the Cleveland Clinic (J Am Coll Cardiol. 2016 Nov 1. doi: 10.1016/j.jacc.2016.10.023).

In this prospective study, the investigators assessed patients at 17 medical centers in the United States and 2 in Germany. In addition to being elderly, the study patients were at high risk because of frequent comorbidities, including atrial fibrillation (31.7%) and prior stroke (5.8%).

Dr. Samir R. Kapadia
In all, 121 patients were randomly assigned to undergo TAVR with a cerebral embolic protective device and 119 to TAVR without a protective device. New brain lesions were then assessed via MRI at 2-7 days post procedure, and neurocognitive function was assessed at 30 days.

The remaining 123 patients underwent TAVR but not MRI in a safety arm of the trial.

The protection devices were placed “without safety concerns” in most patients. The rate of major adverse events with the device was 7.3%, markedly less than the 18.3% prespecified performance goal for this outcome. Total procedure time was lengthened by only 13 minutes when the device was used, and total fluoroscopy time was increased by only 3 minutes. These findings demonstrate the overall safety of using the device, Dr. Kapadia said.

Debris including thrombus with tissue elements, artery wall particles, calcifications, valve tissue, and foreign materials was retrieved from the filters in 99% of patients.

The mean volume of new cerebral lesions in areas of the brain protected by the device was reduced by 42%, compared with that in patients who underwent TAVR without the protection device. However, this reduction was not statistically significant, so the primary efficacy endpoint of the study was not met.

Similarly, neurocognitive testing at 30 days showed that the volume of new lesions correlated with poorer outcomes. However, the difference in neurocognitive function between the intervention group and the control group did not reach statistical significance.

Several limitations likely contributed to this lack of statistical significance, Dr. Kapadia said.

First, the 5-day “window” for MRI assessment was too long. Both the number and the volume of new lesions rapidly changed over time, which led to marked variance in MRI findings depending on when the images were taken.

In addition, only one TAVR device was available at the time the trial was designed, so the study wasn’t stratified by type of valve device. But several new devices became available during the study, and the study investigators were permitted to use any of them. Both pre- and postimplantation techniques differ among these TAVR devices, but these differences could not be accounted for, given the study design.

Also, certain risk factors for stroke, especially certain findings on baseline MRI, were not understood when the trial was designed, and those factors also were not accounted for, Dr. Kapadia said.

Claret Medical funded the study. Dr. Kapadia reported having no relevant financial disclosures; his associates reported numerous ties to industry sources. The meeting was sponsored by the Cardiovascular Research Foundation.
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Key clinical point: The largest randomized clinical trial to assess the safety and efficacy of cerebral embolic protection systems during TAVR yielded puzzling and contradictory results.

Major finding: Debris including thrombus with tissue elements, artery wall particles, calcifications, valve tissue, and foreign materials was retrieved from the cerebral protection filters in 99% of patients.

Data source: A prospective, international, randomized trial involving 363 elderly patients undergoing TAVR for severe aortic stenosis.

Disclosures: Claret Medical funded the study. Dr. Kapadia reported having no relevant financial disclosures; his associates reported numerous ties to industry sources.