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, and rates aren’t much better for patients seen by specialists, based on a retrospective analysis of private insurance claims.
The study also showed that patients receiving DAAs lived significantly longer, emphasizing the importance of prescribing these medications to all eligible patients, reported principal investigator Mindie H. Nguyen, MD, AGAF,, of Stanford University Medical Center, Palo Alto, California, and colleagues.
“Prior studies have shown evidence of improved survival among HCV-related HCC patients who received DAA treatment, but not much is known about the current DAA utilization among these patients in the general US population,” said lead author Leslie Y. Kam, MD, a postdoctoral scholar in gastroenterology at Stanford Medicine, who presented the findings in November at the annual meeting of the American Association for the Study of Liver Diseases.
To generate real-world data, the investigators analyzed medical records from 3922 patients in Optum’s Clinformatics Data Mart Database. All patients had private medical insurance and received care for HCV-related HCC between 2015 and 2021.
“Instead of using institutional databases which tend to bias toward highly specialized tertiary care center patients, our study uses a large, national sample of HCV-HCC patients that represents real-world DAA treatment rates and survival outcomes,” Dr. Kam said in a written comment.
Within this cohort, fewer than one out of four patients (23.5%) received DAA, a rate that Dr. Kam called “dismally low.”
Patients with either compensated or decompensated cirrhosis had higher treatment rates than those without cirrhosis (24.2% or 24.5%, respectively, vs. 16.2%; P = .001). The investigators noted that more than half of the patients had decompensated cirrhosis, suggesting that HCV-related HCC was diagnosed late in the disease course.
Receiving care from a gastroenterologist or infectious disease physician also was associated with a higher treatment rate. Patients managed by a gastroenterologist alone had a treatment rate of 27.0%, while those who received care from a gastroenterologist or infectious disease doctor alongside an oncologist had a treatment rate of 25.6%, versus just 9.4% for those who received care from an oncologist alone, and 12.4% among those who did not see a specialist of any kind (P = .005).
These findings highlight “the need for a multidisciplinary approach to care in this population,” Dr. Kam suggested.
Echoing previous research, DAAs were associated with extended survival. A significantly greater percentage of patients who received DAA were alive after 5 years, compared with patients who did not receive DAA (47.2% vs. 35.2%; P less than .001). After adjustment for comorbidities, HCC treatment, race/ethnicity, sex, and age, DAAs were associated with a 39% reduction in risk of death (adjusted hazard ratio, 0.61; 0.53-0.69; P less than .001).
“There were also racial ethnic disparities in patient survival whether patients received DAA or not, with Black patients having worse survival,” Dr. Kam said. “As such, our study highlights that awareness of HCV remains low as does the use of DAA treatment. Therefore, culturally appropriate efforts to improve awareness of HCV must continue among the general public and health care workers as well as efforts to provide point of care accurate and rapid screening tests for HCV so that DAA treatment can be initiated in a timely manner for eligible patients. Continual education on the use of DAA treatment is also needed.”
Robert John Fontana, MD, AGAF, professor of medicine and transplant hepatologist at the University of Michigan, Ann Arbor, described the findings as “frustrating,” and “not the kind of stuff I like to hear about.
“Treatment rates are so low,” Dr. Fontana said, noting that even among gastroenterologists and infectious disease doctors, who should be well-versed in DAAs, antivirals were prescribed less than 30% of the time.
In an interview, Dr. Fontana highlighted the benefits of DAAs, including their ease-of-use and effectiveness.
“Hepatitis C was the leading reason that we had to do liver transplants in the United States for years,” he said. “Then once these really amazing drugs called direct-acting antivirals came out, they changed the landscape very quickly. It really was a game changer for my whole practice, and, nationally, the practice of transplant.”
Yet, this study and others suggest that these practice-altering agents are being underutilized, Dr. Fontana said. A variety of reasons could explain suboptimal usage, he suggested, including lack of awareness among medical professionals and the public, the recency of DAA approvals, low HCV testing rates, lack of symptoms in HCV-positive patients, and medication costs.
This latter barrier, at least, is dissolving, Dr. Fontana said. Some payers initially restricted which providers could prescribe DAAs, but now the economic consensus has swung in their favor, since curing patients of HCV brings significant health care savings down the line. This financial advantage—theoretically multiplied across 4-5 million Americans living with HCV—has bolstered a multi-institutional effort toward universal HCV screening, with testing recommended at least once in every person’s lifetime.
“It’s highly cost effective,” Dr. Fontana said. “Even though the drugs are super expensive, you will reduce cost by preventing the people streaming towards liver cancer or streaming towards liver transplant. That’s why all the professional societies—the USPSTF, the CDC—they all say, ‘OK, screen everyone.’ ”
Screening may be getting easier soon, Dr. Fontana predicted, as at-home HCV-testing kits are on the horizon, with development and adoption likely accelerated by the success of at-home viral testing during the COVID-19 pandemic.
Beyond broader screening, Dr. Fontana suggested that greater awareness of DAAs is needed both within and beyond the medical community.
He advised health care providers who don’t yet feel comfortable diagnosing or treating HCV to refer to their local specialist.
“That’s the main message,” Dr. Fontana said. “I’m always eternally hopeful that every little message helps.”
The investigators and Dr. Fontana disclosed no conflicts of interest.
, and rates aren’t much better for patients seen by specialists, based on a retrospective analysis of private insurance claims.
The study also showed that patients receiving DAAs lived significantly longer, emphasizing the importance of prescribing these medications to all eligible patients, reported principal investigator Mindie H. Nguyen, MD, AGAF,, of Stanford University Medical Center, Palo Alto, California, and colleagues.
“Prior studies have shown evidence of improved survival among HCV-related HCC patients who received DAA treatment, but not much is known about the current DAA utilization among these patients in the general US population,” said lead author Leslie Y. Kam, MD, a postdoctoral scholar in gastroenterology at Stanford Medicine, who presented the findings in November at the annual meeting of the American Association for the Study of Liver Diseases.
To generate real-world data, the investigators analyzed medical records from 3922 patients in Optum’s Clinformatics Data Mart Database. All patients had private medical insurance and received care for HCV-related HCC between 2015 and 2021.
“Instead of using institutional databases which tend to bias toward highly specialized tertiary care center patients, our study uses a large, national sample of HCV-HCC patients that represents real-world DAA treatment rates and survival outcomes,” Dr. Kam said in a written comment.
Within this cohort, fewer than one out of four patients (23.5%) received DAA, a rate that Dr. Kam called “dismally low.”
Patients with either compensated or decompensated cirrhosis had higher treatment rates than those without cirrhosis (24.2% or 24.5%, respectively, vs. 16.2%; P = .001). The investigators noted that more than half of the patients had decompensated cirrhosis, suggesting that HCV-related HCC was diagnosed late in the disease course.
Receiving care from a gastroenterologist or infectious disease physician also was associated with a higher treatment rate. Patients managed by a gastroenterologist alone had a treatment rate of 27.0%, while those who received care from a gastroenterologist or infectious disease doctor alongside an oncologist had a treatment rate of 25.6%, versus just 9.4% for those who received care from an oncologist alone, and 12.4% among those who did not see a specialist of any kind (P = .005).
These findings highlight “the need for a multidisciplinary approach to care in this population,” Dr. Kam suggested.
Echoing previous research, DAAs were associated with extended survival. A significantly greater percentage of patients who received DAA were alive after 5 years, compared with patients who did not receive DAA (47.2% vs. 35.2%; P less than .001). After adjustment for comorbidities, HCC treatment, race/ethnicity, sex, and age, DAAs were associated with a 39% reduction in risk of death (adjusted hazard ratio, 0.61; 0.53-0.69; P less than .001).
“There were also racial ethnic disparities in patient survival whether patients received DAA or not, with Black patients having worse survival,” Dr. Kam said. “As such, our study highlights that awareness of HCV remains low as does the use of DAA treatment. Therefore, culturally appropriate efforts to improve awareness of HCV must continue among the general public and health care workers as well as efforts to provide point of care accurate and rapid screening tests for HCV so that DAA treatment can be initiated in a timely manner for eligible patients. Continual education on the use of DAA treatment is also needed.”
Robert John Fontana, MD, AGAF, professor of medicine and transplant hepatologist at the University of Michigan, Ann Arbor, described the findings as “frustrating,” and “not the kind of stuff I like to hear about.
“Treatment rates are so low,” Dr. Fontana said, noting that even among gastroenterologists and infectious disease doctors, who should be well-versed in DAAs, antivirals were prescribed less than 30% of the time.
In an interview, Dr. Fontana highlighted the benefits of DAAs, including their ease-of-use and effectiveness.
“Hepatitis C was the leading reason that we had to do liver transplants in the United States for years,” he said. “Then once these really amazing drugs called direct-acting antivirals came out, they changed the landscape very quickly. It really was a game changer for my whole practice, and, nationally, the practice of transplant.”
Yet, this study and others suggest that these practice-altering agents are being underutilized, Dr. Fontana said. A variety of reasons could explain suboptimal usage, he suggested, including lack of awareness among medical professionals and the public, the recency of DAA approvals, low HCV testing rates, lack of symptoms in HCV-positive patients, and medication costs.
This latter barrier, at least, is dissolving, Dr. Fontana said. Some payers initially restricted which providers could prescribe DAAs, but now the economic consensus has swung in their favor, since curing patients of HCV brings significant health care savings down the line. This financial advantage—theoretically multiplied across 4-5 million Americans living with HCV—has bolstered a multi-institutional effort toward universal HCV screening, with testing recommended at least once in every person’s lifetime.
“It’s highly cost effective,” Dr. Fontana said. “Even though the drugs are super expensive, you will reduce cost by preventing the people streaming towards liver cancer or streaming towards liver transplant. That’s why all the professional societies—the USPSTF, the CDC—they all say, ‘OK, screen everyone.’ ”
Screening may be getting easier soon, Dr. Fontana predicted, as at-home HCV-testing kits are on the horizon, with development and adoption likely accelerated by the success of at-home viral testing during the COVID-19 pandemic.
Beyond broader screening, Dr. Fontana suggested that greater awareness of DAAs is needed both within and beyond the medical community.
He advised health care providers who don’t yet feel comfortable diagnosing or treating HCV to refer to their local specialist.
“That’s the main message,” Dr. Fontana said. “I’m always eternally hopeful that every little message helps.”
The investigators and Dr. Fontana disclosed no conflicts of interest.
, and rates aren’t much better for patients seen by specialists, based on a retrospective analysis of private insurance claims.
The study also showed that patients receiving DAAs lived significantly longer, emphasizing the importance of prescribing these medications to all eligible patients, reported principal investigator Mindie H. Nguyen, MD, AGAF,, of Stanford University Medical Center, Palo Alto, California, and colleagues.
“Prior studies have shown evidence of improved survival among HCV-related HCC patients who received DAA treatment, but not much is known about the current DAA utilization among these patients in the general US population,” said lead author Leslie Y. Kam, MD, a postdoctoral scholar in gastroenterology at Stanford Medicine, who presented the findings in November at the annual meeting of the American Association for the Study of Liver Diseases.
To generate real-world data, the investigators analyzed medical records from 3922 patients in Optum’s Clinformatics Data Mart Database. All patients had private medical insurance and received care for HCV-related HCC between 2015 and 2021.
“Instead of using institutional databases which tend to bias toward highly specialized tertiary care center patients, our study uses a large, national sample of HCV-HCC patients that represents real-world DAA treatment rates and survival outcomes,” Dr. Kam said in a written comment.
Within this cohort, fewer than one out of four patients (23.5%) received DAA, a rate that Dr. Kam called “dismally low.”
Patients with either compensated or decompensated cirrhosis had higher treatment rates than those without cirrhosis (24.2% or 24.5%, respectively, vs. 16.2%; P = .001). The investigators noted that more than half of the patients had decompensated cirrhosis, suggesting that HCV-related HCC was diagnosed late in the disease course.
Receiving care from a gastroenterologist or infectious disease physician also was associated with a higher treatment rate. Patients managed by a gastroenterologist alone had a treatment rate of 27.0%, while those who received care from a gastroenterologist or infectious disease doctor alongside an oncologist had a treatment rate of 25.6%, versus just 9.4% for those who received care from an oncologist alone, and 12.4% among those who did not see a specialist of any kind (P = .005).
These findings highlight “the need for a multidisciplinary approach to care in this population,” Dr. Kam suggested.
Echoing previous research, DAAs were associated with extended survival. A significantly greater percentage of patients who received DAA were alive after 5 years, compared with patients who did not receive DAA (47.2% vs. 35.2%; P less than .001). After adjustment for comorbidities, HCC treatment, race/ethnicity, sex, and age, DAAs were associated with a 39% reduction in risk of death (adjusted hazard ratio, 0.61; 0.53-0.69; P less than .001).
“There were also racial ethnic disparities in patient survival whether patients received DAA or not, with Black patients having worse survival,” Dr. Kam said. “As such, our study highlights that awareness of HCV remains low as does the use of DAA treatment. Therefore, culturally appropriate efforts to improve awareness of HCV must continue among the general public and health care workers as well as efforts to provide point of care accurate and rapid screening tests for HCV so that DAA treatment can be initiated in a timely manner for eligible patients. Continual education on the use of DAA treatment is also needed.”
Robert John Fontana, MD, AGAF, professor of medicine and transplant hepatologist at the University of Michigan, Ann Arbor, described the findings as “frustrating,” and “not the kind of stuff I like to hear about.
“Treatment rates are so low,” Dr. Fontana said, noting that even among gastroenterologists and infectious disease doctors, who should be well-versed in DAAs, antivirals were prescribed less than 30% of the time.
In an interview, Dr. Fontana highlighted the benefits of DAAs, including their ease-of-use and effectiveness.
“Hepatitis C was the leading reason that we had to do liver transplants in the United States for years,” he said. “Then once these really amazing drugs called direct-acting antivirals came out, they changed the landscape very quickly. It really was a game changer for my whole practice, and, nationally, the practice of transplant.”
Yet, this study and others suggest that these practice-altering agents are being underutilized, Dr. Fontana said. A variety of reasons could explain suboptimal usage, he suggested, including lack of awareness among medical professionals and the public, the recency of DAA approvals, low HCV testing rates, lack of symptoms in HCV-positive patients, and medication costs.
This latter barrier, at least, is dissolving, Dr. Fontana said. Some payers initially restricted which providers could prescribe DAAs, but now the economic consensus has swung in their favor, since curing patients of HCV brings significant health care savings down the line. This financial advantage—theoretically multiplied across 4-5 million Americans living with HCV—has bolstered a multi-institutional effort toward universal HCV screening, with testing recommended at least once in every person’s lifetime.
“It’s highly cost effective,” Dr. Fontana said. “Even though the drugs are super expensive, you will reduce cost by preventing the people streaming towards liver cancer or streaming towards liver transplant. That’s why all the professional societies—the USPSTF, the CDC—they all say, ‘OK, screen everyone.’ ”
Screening may be getting easier soon, Dr. Fontana predicted, as at-home HCV-testing kits are on the horizon, with development and adoption likely accelerated by the success of at-home viral testing during the COVID-19 pandemic.
Beyond broader screening, Dr. Fontana suggested that greater awareness of DAAs is needed both within and beyond the medical community.
He advised health care providers who don’t yet feel comfortable diagnosing or treating HCV to refer to their local specialist.
“That’s the main message,” Dr. Fontana said. “I’m always eternally hopeful that every little message helps.”
The investigators and Dr. Fontana disclosed no conflicts of interest.
AT THE LIVER MEETING