User login
Voxelotor for sickle cell anemia now down to 4-year-olds
The indication had previously been for patients 12 years old and up, the FDA said in an announcement.
Voxelotor (Oxbryta) was originally approved for sickle cell disease in November 2019 and was described as the first drug that directly inhibits sickle hemoglobin polymerization, the root cause of the disease. It binds and stabilizes hemoglobin to prevent red blood cells from sickling and being destroyed.
Approval for the new indication of use in children down to age 4 was based on data from a phase 2 trial that involved 45 children aged 4-11 years; the results show that 36% had an increase in hemoglobin greater than 1 g/dL by week 24, the FDA said.
“Complications of [sickle cell disease] that can cause irreversible organ damage are known to begin in the first few years of life, which is why earlier intervention is critical,” commented Ted Love, MD, president and CEO of Global Blood Therapeutics, the manufacturer, in a press release.
The company is studying voxelotor in children as young as 9 months old.
The agent was granted an accelerated approval by the FDA, so continued approval depends on additional data to confirm that increases in hemoglobin have clinical benefit.
With the new approvals, voxelotor is now available in 500-mg tablets and the 300-mg tablets for oral suspension. Dosing for ages 12 years and up is 1,500 mg once daily. Dosing for children 4 to up to 12 years old is weight based.
The most common side effects are headache, vomiting, diarrhea, abdominal pain, nausea, rash, and fever.
A version of this article first appeared on Medscape.com.
The indication had previously been for patients 12 years old and up, the FDA said in an announcement.
Voxelotor (Oxbryta) was originally approved for sickle cell disease in November 2019 and was described as the first drug that directly inhibits sickle hemoglobin polymerization, the root cause of the disease. It binds and stabilizes hemoglobin to prevent red blood cells from sickling and being destroyed.
Approval for the new indication of use in children down to age 4 was based on data from a phase 2 trial that involved 45 children aged 4-11 years; the results show that 36% had an increase in hemoglobin greater than 1 g/dL by week 24, the FDA said.
“Complications of [sickle cell disease] that can cause irreversible organ damage are known to begin in the first few years of life, which is why earlier intervention is critical,” commented Ted Love, MD, president and CEO of Global Blood Therapeutics, the manufacturer, in a press release.
The company is studying voxelotor in children as young as 9 months old.
The agent was granted an accelerated approval by the FDA, so continued approval depends on additional data to confirm that increases in hemoglobin have clinical benefit.
With the new approvals, voxelotor is now available in 500-mg tablets and the 300-mg tablets for oral suspension. Dosing for ages 12 years and up is 1,500 mg once daily. Dosing for children 4 to up to 12 years old is weight based.
The most common side effects are headache, vomiting, diarrhea, abdominal pain, nausea, rash, and fever.
A version of this article first appeared on Medscape.com.
The indication had previously been for patients 12 years old and up, the FDA said in an announcement.
Voxelotor (Oxbryta) was originally approved for sickle cell disease in November 2019 and was described as the first drug that directly inhibits sickle hemoglobin polymerization, the root cause of the disease. It binds and stabilizes hemoglobin to prevent red blood cells from sickling and being destroyed.
Approval for the new indication of use in children down to age 4 was based on data from a phase 2 trial that involved 45 children aged 4-11 years; the results show that 36% had an increase in hemoglobin greater than 1 g/dL by week 24, the FDA said.
“Complications of [sickle cell disease] that can cause irreversible organ damage are known to begin in the first few years of life, which is why earlier intervention is critical,” commented Ted Love, MD, president and CEO of Global Blood Therapeutics, the manufacturer, in a press release.
The company is studying voxelotor in children as young as 9 months old.
The agent was granted an accelerated approval by the FDA, so continued approval depends on additional data to confirm that increases in hemoglobin have clinical benefit.
With the new approvals, voxelotor is now available in 500-mg tablets and the 300-mg tablets for oral suspension. Dosing for ages 12 years and up is 1,500 mg once daily. Dosing for children 4 to up to 12 years old is weight based.
The most common side effects are headache, vomiting, diarrhea, abdominal pain, nausea, rash, and fever.
A version of this article first appeared on Medscape.com.
Fitusiran: Great ‘leap forward’ in hemophilia treatment
Fitusiran is a small interfering RNA molecule that blocks antithrombin production in liver cells. Instead of taking the traditional approach in hemophilia treatment of boosting the coagulation cascade by replacing what’s missing, the idea of fitusiran is to short circuit the body’s anticoagulation system by targeting antithrombin.
Patients in two trials presented at the meeting, ATLAS-A/B and ATLAS-INH, had about a 90% reduction in their annualized bleeding rates when treated with prophylactic fitusiran, with half or more having no bleeds that required treatment during the 9-month trials. The median annualized bleeding rate fell to 0, trial investigators reported at the meeting.
These findings held in both hemophilia A and B with and without inhibitors, which are antibodies formed against exogenous clotting factors, and on subanalysis of spontaneous and joint bleeding rates. Reduced bleeding was associated with substantial improvements in health-care related quality of life, particularly in the physical health domain.
A question about study design
An audience member at ASH noted that the trials didn’t compare fitusiran against prophylactic treatment, which is standard of care for hemophilia, but rather against episodic treatment – concentrated factors or bypassing agents in subjects with inhibitors – once subjects in the control groups started to bleed.
Still, the numbers reported in the studies “have never been achieved with standard prophylaxis in the past.” Furthermore, standard prophylaxis requires lifelong intravenous infusions, sometimes several a week, said lead ATLAS-A/B investigator Alok Srivastava, MD, a hematologist at the Christian Medical College in Vellore, India.
Fitusiran was dosed in the studies as a once-a-month 80 mg subcutaneous injection, so is much less bothersome. Also, it seems likely that some patients will only need dosing every other month. Maker Sanofi Genzyme is exploring lower and less frequent dosing to reduce thrombotic event risks that emerged in earlier studies, said Steven Pipe, MD, a pediatric hematologist at the University of Michigan, Ann Arbor, and the senior investigator on ATLAS-A/B, which assessed fitusiran in patients without inhibitors.
Serious thrombotic events occurred in two fitusiran patients in the trials, one of which led to discontinuation.
No pricing information
Overall, “I think [fitusiran] is a tremendous leap forward” with “the opportunity to transform the day-to-day lives of patients,” particularly those with hemophilia B, who have limited treatment options, Dr. Pipe said.
If approved for the U.S. market, fitusiran will go up against the monoclonal antibody emicizumab (Hemlibra), a subcutaneous injection dosed weekly to monthly that mimics the function of factor VIII, so it’s approved only for hemophilia A with or without inhibitors.
Several audience members at ASH noted that a major consideration for fitusiran, if approved, will be its cost. There’s no pricing information yet, but annual list price for emicizumab is reported to be in the $500,000 range.
For hemophilia A, “it will come to what proves to be the most efficacious and safe, with also consideration given to pricing,” Nigel Key, MD, a hematologist at the University of North Carolina at Chapel Hill, said in a comment.
Trial details
In ATLAS-A/B, 80 male patients were randomized to prophylactic fitusiran once monthly and 40 to continue with clotting factors as needed for bleeding. Just over 20% had hemophilia B, the rest hemophilia A. The mean age was 34 years, and subjects had a mean of about 12 bleeds in the 6 months leading up to the study.
Half of the fitusiran group had no treated bleeds during the study period versus only 5% in the control arm.
The five treatment emergent serious adverse events in the fitusiran arm included cholelithiasis in two subjects, plus cholecystitis, lower respiratory tract infection, and asthma in one each. Two fitusiran patients discontinued treatment because of cholecystitis and increased alanine aminotransferase.
ATLAS-INH had the same study design, and investigated patients with inhibitors; again, just over 20% had hemophilia B, the rest A. Mean age was 28 years, and patients had a mean of about 13 bleeds over the 6 months before the study. A total of 38 subjects were randomized to fitusiran, and 19 to bypassing agents as needed.
Almost 66% of fitusiran patients had no treated bleeds versus about 5% in the control arm.
There “was far less bleeding both for hemophilia A and B. It’s definitely a clinically meaningful and important” effect, said ATLAS-INH lead investigator Guy Young, MD, director of the hemostasis and thrombosis program at Children’s Hospital Los Angeles.
He said the improved quality of life with fitusiran noted in both trials was “not surprising. If you only have to dose once a month subcutaneously, and you are not bleeding, of course your quality of life is going to improve.”
Both fitusiran thrombotic events occurred in ATLAS-INH. One patient developed deep vein thrombosis, subclavian vein thrombosis, and superficial thrombophlebitis but stayed in the study. Another discontinued after developing suspected spinal vessel thrombosis. Serious adverse events among five other subjects included acute cholecystitis and hematuria.
Fitusiran was associated with liver enzyme elevations in both trials, but they were generally mild to moderate.
The studies were funded by fitusiran maker Sanofi Genzyme. Several investigators were employees. Dr. Pipe is a consultant, Dr. Srivastava is a researcher and adviser, and Dr. Young is a speaker and consultant for the company and disclosed honoraria from it. Dr. Key had no relevant disclosures.
Fitusiran is a small interfering RNA molecule that blocks antithrombin production in liver cells. Instead of taking the traditional approach in hemophilia treatment of boosting the coagulation cascade by replacing what’s missing, the idea of fitusiran is to short circuit the body’s anticoagulation system by targeting antithrombin.
Patients in two trials presented at the meeting, ATLAS-A/B and ATLAS-INH, had about a 90% reduction in their annualized bleeding rates when treated with prophylactic fitusiran, with half or more having no bleeds that required treatment during the 9-month trials. The median annualized bleeding rate fell to 0, trial investigators reported at the meeting.
These findings held in both hemophilia A and B with and without inhibitors, which are antibodies formed against exogenous clotting factors, and on subanalysis of spontaneous and joint bleeding rates. Reduced bleeding was associated with substantial improvements in health-care related quality of life, particularly in the physical health domain.
A question about study design
An audience member at ASH noted that the trials didn’t compare fitusiran against prophylactic treatment, which is standard of care for hemophilia, but rather against episodic treatment – concentrated factors or bypassing agents in subjects with inhibitors – once subjects in the control groups started to bleed.
Still, the numbers reported in the studies “have never been achieved with standard prophylaxis in the past.” Furthermore, standard prophylaxis requires lifelong intravenous infusions, sometimes several a week, said lead ATLAS-A/B investigator Alok Srivastava, MD, a hematologist at the Christian Medical College in Vellore, India.
Fitusiran was dosed in the studies as a once-a-month 80 mg subcutaneous injection, so is much less bothersome. Also, it seems likely that some patients will only need dosing every other month. Maker Sanofi Genzyme is exploring lower and less frequent dosing to reduce thrombotic event risks that emerged in earlier studies, said Steven Pipe, MD, a pediatric hematologist at the University of Michigan, Ann Arbor, and the senior investigator on ATLAS-A/B, which assessed fitusiran in patients without inhibitors.
Serious thrombotic events occurred in two fitusiran patients in the trials, one of which led to discontinuation.
No pricing information
Overall, “I think [fitusiran] is a tremendous leap forward” with “the opportunity to transform the day-to-day lives of patients,” particularly those with hemophilia B, who have limited treatment options, Dr. Pipe said.
If approved for the U.S. market, fitusiran will go up against the monoclonal antibody emicizumab (Hemlibra), a subcutaneous injection dosed weekly to monthly that mimics the function of factor VIII, so it’s approved only for hemophilia A with or without inhibitors.
Several audience members at ASH noted that a major consideration for fitusiran, if approved, will be its cost. There’s no pricing information yet, but annual list price for emicizumab is reported to be in the $500,000 range.
For hemophilia A, “it will come to what proves to be the most efficacious and safe, with also consideration given to pricing,” Nigel Key, MD, a hematologist at the University of North Carolina at Chapel Hill, said in a comment.
Trial details
In ATLAS-A/B, 80 male patients were randomized to prophylactic fitusiran once monthly and 40 to continue with clotting factors as needed for bleeding. Just over 20% had hemophilia B, the rest hemophilia A. The mean age was 34 years, and subjects had a mean of about 12 bleeds in the 6 months leading up to the study.
Half of the fitusiran group had no treated bleeds during the study period versus only 5% in the control arm.
The five treatment emergent serious adverse events in the fitusiran arm included cholelithiasis in two subjects, plus cholecystitis, lower respiratory tract infection, and asthma in one each. Two fitusiran patients discontinued treatment because of cholecystitis and increased alanine aminotransferase.
ATLAS-INH had the same study design, and investigated patients with inhibitors; again, just over 20% had hemophilia B, the rest A. Mean age was 28 years, and patients had a mean of about 13 bleeds over the 6 months before the study. A total of 38 subjects were randomized to fitusiran, and 19 to bypassing agents as needed.
Almost 66% of fitusiran patients had no treated bleeds versus about 5% in the control arm.
There “was far less bleeding both for hemophilia A and B. It’s definitely a clinically meaningful and important” effect, said ATLAS-INH lead investigator Guy Young, MD, director of the hemostasis and thrombosis program at Children’s Hospital Los Angeles.
He said the improved quality of life with fitusiran noted in both trials was “not surprising. If you only have to dose once a month subcutaneously, and you are not bleeding, of course your quality of life is going to improve.”
Both fitusiran thrombotic events occurred in ATLAS-INH. One patient developed deep vein thrombosis, subclavian vein thrombosis, and superficial thrombophlebitis but stayed in the study. Another discontinued after developing suspected spinal vessel thrombosis. Serious adverse events among five other subjects included acute cholecystitis and hematuria.
Fitusiran was associated with liver enzyme elevations in both trials, but they were generally mild to moderate.
The studies were funded by fitusiran maker Sanofi Genzyme. Several investigators were employees. Dr. Pipe is a consultant, Dr. Srivastava is a researcher and adviser, and Dr. Young is a speaker and consultant for the company and disclosed honoraria from it. Dr. Key had no relevant disclosures.
Fitusiran is a small interfering RNA molecule that blocks antithrombin production in liver cells. Instead of taking the traditional approach in hemophilia treatment of boosting the coagulation cascade by replacing what’s missing, the idea of fitusiran is to short circuit the body’s anticoagulation system by targeting antithrombin.
Patients in two trials presented at the meeting, ATLAS-A/B and ATLAS-INH, had about a 90% reduction in their annualized bleeding rates when treated with prophylactic fitusiran, with half or more having no bleeds that required treatment during the 9-month trials. The median annualized bleeding rate fell to 0, trial investigators reported at the meeting.
These findings held in both hemophilia A and B with and without inhibitors, which are antibodies formed against exogenous clotting factors, and on subanalysis of spontaneous and joint bleeding rates. Reduced bleeding was associated with substantial improvements in health-care related quality of life, particularly in the physical health domain.
A question about study design
An audience member at ASH noted that the trials didn’t compare fitusiran against prophylactic treatment, which is standard of care for hemophilia, but rather against episodic treatment – concentrated factors or bypassing agents in subjects with inhibitors – once subjects in the control groups started to bleed.
Still, the numbers reported in the studies “have never been achieved with standard prophylaxis in the past.” Furthermore, standard prophylaxis requires lifelong intravenous infusions, sometimes several a week, said lead ATLAS-A/B investigator Alok Srivastava, MD, a hematologist at the Christian Medical College in Vellore, India.
Fitusiran was dosed in the studies as a once-a-month 80 mg subcutaneous injection, so is much less bothersome. Also, it seems likely that some patients will only need dosing every other month. Maker Sanofi Genzyme is exploring lower and less frequent dosing to reduce thrombotic event risks that emerged in earlier studies, said Steven Pipe, MD, a pediatric hematologist at the University of Michigan, Ann Arbor, and the senior investigator on ATLAS-A/B, which assessed fitusiran in patients without inhibitors.
Serious thrombotic events occurred in two fitusiran patients in the trials, one of which led to discontinuation.
No pricing information
Overall, “I think [fitusiran] is a tremendous leap forward” with “the opportunity to transform the day-to-day lives of patients,” particularly those with hemophilia B, who have limited treatment options, Dr. Pipe said.
If approved for the U.S. market, fitusiran will go up against the monoclonal antibody emicizumab (Hemlibra), a subcutaneous injection dosed weekly to monthly that mimics the function of factor VIII, so it’s approved only for hemophilia A with or without inhibitors.
Several audience members at ASH noted that a major consideration for fitusiran, if approved, will be its cost. There’s no pricing information yet, but annual list price for emicizumab is reported to be in the $500,000 range.
For hemophilia A, “it will come to what proves to be the most efficacious and safe, with also consideration given to pricing,” Nigel Key, MD, a hematologist at the University of North Carolina at Chapel Hill, said in a comment.
Trial details
In ATLAS-A/B, 80 male patients were randomized to prophylactic fitusiran once monthly and 40 to continue with clotting factors as needed for bleeding. Just over 20% had hemophilia B, the rest hemophilia A. The mean age was 34 years, and subjects had a mean of about 12 bleeds in the 6 months leading up to the study.
Half of the fitusiran group had no treated bleeds during the study period versus only 5% in the control arm.
The five treatment emergent serious adverse events in the fitusiran arm included cholelithiasis in two subjects, plus cholecystitis, lower respiratory tract infection, and asthma in one each. Two fitusiran patients discontinued treatment because of cholecystitis and increased alanine aminotransferase.
ATLAS-INH had the same study design, and investigated patients with inhibitors; again, just over 20% had hemophilia B, the rest A. Mean age was 28 years, and patients had a mean of about 13 bleeds over the 6 months before the study. A total of 38 subjects were randomized to fitusiran, and 19 to bypassing agents as needed.
Almost 66% of fitusiran patients had no treated bleeds versus about 5% in the control arm.
There “was far less bleeding both for hemophilia A and B. It’s definitely a clinically meaningful and important” effect, said ATLAS-INH lead investigator Guy Young, MD, director of the hemostasis and thrombosis program at Children’s Hospital Los Angeles.
He said the improved quality of life with fitusiran noted in both trials was “not surprising. If you only have to dose once a month subcutaneously, and you are not bleeding, of course your quality of life is going to improve.”
Both fitusiran thrombotic events occurred in ATLAS-INH. One patient developed deep vein thrombosis, subclavian vein thrombosis, and superficial thrombophlebitis but stayed in the study. Another discontinued after developing suspected spinal vessel thrombosis. Serious adverse events among five other subjects included acute cholecystitis and hematuria.
Fitusiran was associated with liver enzyme elevations in both trials, but they were generally mild to moderate.
The studies were funded by fitusiran maker Sanofi Genzyme. Several investigators were employees. Dr. Pipe is a consultant, Dr. Srivastava is a researcher and adviser, and Dr. Young is a speaker and consultant for the company and disclosed honoraria from it. Dr. Key had no relevant disclosures.
FROM ASH 2021
CDC panel backs mRNA COVID vaccines over J&J because of clot risk
because the Johnson & Johnson shot carries the risk of a rare but potentially fatal side effect that causes blood clots and bleeding in the brain.
In an emergency meeting on December 16, the CDC’s Advisory Committee on Immunization Practices, or ACIP, voted unanimously (15-0) to state a preference for the mRNA vaccines over the Johnson & Johnson shot. The vote came after the panel heard a safety update on cases of thrombosis with thrombocytopenia syndrome, or TTS, a condition that causes large clots that deplete the blood of platelets, resulting in uncontrolled bleeding.
The move brings the United States in line with other wealthy countries. In May, Denmark dropped the Johnson & Johnson shot from its vaccination program because of this risk. Australia and Greece have limited the use of a similar vaccine, made by AstraZeneca, in younger people because of the TTS risk. Both vaccines use the envelope of a different kind of virus, called an adenovirus, to sneak the vaccine instructions into cells. On Dec. 16, health officials said they had determined that TTS was likely due to a class effect, meaning it happens with all adenovirus vector vaccines.
The risk of dying from TTS after a Johnson & Johnson shot is extremely rare. There is an estimated 1 death for every 2 million doses of the vaccine given in the general population. That risk is higher for women ages 30 to 49, rising to about 2 deaths for every 1 million doses given in this age group. There’s no question that the Johnson & Johnson shot has saved many more lives than it has taken, experts said
Still, the committee previously paused the use of the Johnson & Johnson vaccine in April after the first cases of TTS came to light. That pause was lifted just 10 days later, after a new warning was added to the vaccine’s label to raise awareness of the risk.
In updating the safety information on Johnson & Johnson, the panel noted that the warning label had not sufficiently lowered the risk of death from TTS. Doctors seem to be aware of the condition because none of the patients who had developed TTS had been treated with the blood thinner heparin, which can make the syndrome worse. But patients continued to die even after the label was added, the panel noted, because TTS can progress so quickly that doctors simply don’t have time to treat it.
For that reason, and because there are other, safer vaccines available, the panel decided to make what’s called a preferential statement, saying the Pfizer and Moderna mRNA vaccines should be preferred over Johnson & Johnson.
The statement leaves the J&J vaccine on the market and available to patients who are at risk of a severe allergic reaction to the mRNA vaccines. It also means that people can still choose the J&J vaccine if they still want it after being informed about the risks.
About 17 million first doses and 900,000 second doses of the Johnson & Johnson vaccine have been given in the United States. Through the end of August, 54 cases of thrombosis with thrombocytopenia syndrome (TTS) have occurred after the J&J shots in the United States. Nearly half of those were in women ages 30 to 49. There have been nine deaths from TTS after Johnson & Johnson shots.
A version of this article first appeared on WebMD.com.
because the Johnson & Johnson shot carries the risk of a rare but potentially fatal side effect that causes blood clots and bleeding in the brain.
In an emergency meeting on December 16, the CDC’s Advisory Committee on Immunization Practices, or ACIP, voted unanimously (15-0) to state a preference for the mRNA vaccines over the Johnson & Johnson shot. The vote came after the panel heard a safety update on cases of thrombosis with thrombocytopenia syndrome, or TTS, a condition that causes large clots that deplete the blood of platelets, resulting in uncontrolled bleeding.
The move brings the United States in line with other wealthy countries. In May, Denmark dropped the Johnson & Johnson shot from its vaccination program because of this risk. Australia and Greece have limited the use of a similar vaccine, made by AstraZeneca, in younger people because of the TTS risk. Both vaccines use the envelope of a different kind of virus, called an adenovirus, to sneak the vaccine instructions into cells. On Dec. 16, health officials said they had determined that TTS was likely due to a class effect, meaning it happens with all adenovirus vector vaccines.
The risk of dying from TTS after a Johnson & Johnson shot is extremely rare. There is an estimated 1 death for every 2 million doses of the vaccine given in the general population. That risk is higher for women ages 30 to 49, rising to about 2 deaths for every 1 million doses given in this age group. There’s no question that the Johnson & Johnson shot has saved many more lives than it has taken, experts said
Still, the committee previously paused the use of the Johnson & Johnson vaccine in April after the first cases of TTS came to light. That pause was lifted just 10 days later, after a new warning was added to the vaccine’s label to raise awareness of the risk.
In updating the safety information on Johnson & Johnson, the panel noted that the warning label had not sufficiently lowered the risk of death from TTS. Doctors seem to be aware of the condition because none of the patients who had developed TTS had been treated with the blood thinner heparin, which can make the syndrome worse. But patients continued to die even after the label was added, the panel noted, because TTS can progress so quickly that doctors simply don’t have time to treat it.
For that reason, and because there are other, safer vaccines available, the panel decided to make what’s called a preferential statement, saying the Pfizer and Moderna mRNA vaccines should be preferred over Johnson & Johnson.
The statement leaves the J&J vaccine on the market and available to patients who are at risk of a severe allergic reaction to the mRNA vaccines. It also means that people can still choose the J&J vaccine if they still want it after being informed about the risks.
About 17 million first doses and 900,000 second doses of the Johnson & Johnson vaccine have been given in the United States. Through the end of August, 54 cases of thrombosis with thrombocytopenia syndrome (TTS) have occurred after the J&J shots in the United States. Nearly half of those were in women ages 30 to 49. There have been nine deaths from TTS after Johnson & Johnson shots.
A version of this article first appeared on WebMD.com.
because the Johnson & Johnson shot carries the risk of a rare but potentially fatal side effect that causes blood clots and bleeding in the brain.
In an emergency meeting on December 16, the CDC’s Advisory Committee on Immunization Practices, or ACIP, voted unanimously (15-0) to state a preference for the mRNA vaccines over the Johnson & Johnson shot. The vote came after the panel heard a safety update on cases of thrombosis with thrombocytopenia syndrome, or TTS, a condition that causes large clots that deplete the blood of platelets, resulting in uncontrolled bleeding.
The move brings the United States in line with other wealthy countries. In May, Denmark dropped the Johnson & Johnson shot from its vaccination program because of this risk. Australia and Greece have limited the use of a similar vaccine, made by AstraZeneca, in younger people because of the TTS risk. Both vaccines use the envelope of a different kind of virus, called an adenovirus, to sneak the vaccine instructions into cells. On Dec. 16, health officials said they had determined that TTS was likely due to a class effect, meaning it happens with all adenovirus vector vaccines.
The risk of dying from TTS after a Johnson & Johnson shot is extremely rare. There is an estimated 1 death for every 2 million doses of the vaccine given in the general population. That risk is higher for women ages 30 to 49, rising to about 2 deaths for every 1 million doses given in this age group. There’s no question that the Johnson & Johnson shot has saved many more lives than it has taken, experts said
Still, the committee previously paused the use of the Johnson & Johnson vaccine in April after the first cases of TTS came to light. That pause was lifted just 10 days later, after a new warning was added to the vaccine’s label to raise awareness of the risk.
In updating the safety information on Johnson & Johnson, the panel noted that the warning label had not sufficiently lowered the risk of death from TTS. Doctors seem to be aware of the condition because none of the patients who had developed TTS had been treated with the blood thinner heparin, which can make the syndrome worse. But patients continued to die even after the label was added, the panel noted, because TTS can progress so quickly that doctors simply don’t have time to treat it.
For that reason, and because there are other, safer vaccines available, the panel decided to make what’s called a preferential statement, saying the Pfizer and Moderna mRNA vaccines should be preferred over Johnson & Johnson.
The statement leaves the J&J vaccine on the market and available to patients who are at risk of a severe allergic reaction to the mRNA vaccines. It also means that people can still choose the J&J vaccine if they still want it after being informed about the risks.
About 17 million first doses and 900,000 second doses of the Johnson & Johnson vaccine have been given in the United States. Through the end of August, 54 cases of thrombosis with thrombocytopenia syndrome (TTS) have occurred after the J&J shots in the United States. Nearly half of those were in women ages 30 to 49. There have been nine deaths from TTS after Johnson & Johnson shots.
A version of this article first appeared on WebMD.com.
Telemedicine helps SCD patients survive COVID, but more need access
ATLANTA – , according to an investigator at the annual meeting of the American Society of Hematology.
During the first COVID-19 wave in the summer of 2020, Atlanta’s Grady Sickle Cell Center, the nation’s largest adult sickle cell center, recorded two deaths among the 20 COVID-19_infected patients seen there, said Fuad El Rassi, MD, of Emory University, Atlanta.
Virtual visits, launched to deliver health care needs in the wake of a Georgia’s 2020 statewide shelter-in-place order, helped protect patients from COVID-19 infection, Dr. El Rassi said in a press conference at the meeting.
“The patients’ diligence and awareness to stay home during the pandemic have proven crucial to reducing morbidity and mortality in this vulnerable population,” he said. “The option of having virtual visits for health care delivery was key and should be utilized further in sickle cell care.”
However, virtual visits and other best practices to prevent and treat COVID-19 in patients with sickle cell disease can be challenging to implement outside of large, specialized centers such as Grady.
“The majority of sickle cell patients in major metropolitan areas are not plugged into dedicated sickle cell centers, and that’s a key issue,” said Dr. El Rassi.
“There’s a huge shortage of such clinics around major metropolitan areas, and that restricts things for the general population, unfortunately.”
COVID-19 prevention remains a challenge, no matter where patients are treated. Only about 50% of the center’s sickle cell disease patients are immunized, according to Dr. El Rassi, who added that assessment of vaccine response among those patients is ongoing.
Ifeyinwa (Ify) Osunkwo, MD, MPH, a sickle cell disease specialist, said long-term sustainability of virtual visits depends greatly on states’ continuation of laws or policies that facilitate access to telemedicine. A total of 22 states changed laws or policies during the pandemic to promote access to telemedicine, according to the Commonwealth Fund.
Virtual care is more challenging in states where expanded telemedicine coverage is not available or is ended, said Dr. Osunkwo, director of the Sickle Cell Enterprise at Levine Cancer Institute. The institute is part of Atrium Health, a large health system that operates in four states.
“We are no longer able to do virtual visits for our South Carolinian patients, even though across the border in North Carolina, you can still provide virtual care,” Dr. Osunkwo said in an interview.
“Sickle cell patients suffer from social determinants [of health], so getting to their doctor when they have a regular outpatient visit is kind of hard,” she added. “And having that virtual option actually makes them more adherent, and they have better access to care overall.”
In the study presented at the ASH meeting by Dr. El Rassi and colleagues, there were a total of 55 patients with COVID-19 among the 1,343 sickle cell disease patients they tracked. Of the 55 patients with COVID-19, 28 were female and 27 were male, and 35% were on hydroxyurea for disease modification.
Among these 55 patients with COVID-19, 44 (80%) were hospitalized, and the hospitalizations of 15 (27%) were deemed related to COVID-19 signs and symptoms, Dr. El Rassi said. Twelve of the 55 patients (22%) had emergency visits, including 5 (9%) because of COVID-19 symptoms, he added.
The two deaths from COVID-19 occurred in June and July 2020, said Dr. El Rassi, adding that those patients were among 20 total cases diagnosed from March to September of 2020.
Over the second reported wave of COVID-19, from October 2020 to March 2021, there were no deaths seen among 35 total COVID-19 cases, according to the report at the ASH meeting.
In an interview, Kaitlin Strumph, MD, a sickle cell disease specialist at the Children’s Hospital at Montefiore in New York, noted that patients with sickle cell disease who contract COVID-19 are considered at high risk for morbidity and mortality.
“Patients and providers should not let down their guard,” Dr. Strumph said in an interview. “The best way to protect people from COVID-19 right now is prevention, and vaccinations are the key to further improving outcomes.”
Virtual visits can help bridge gaps in care for patients with sickle cell disease, said Dr. Strumph, given that limited access to care is a large driver of health disparities in this population.
“Telemedicine allows patients to stay home and limit their exposure to COVID-19 out in the community and at the hospital,” she said. “I think most providers feel confident that virtual visits are a huge benefit for the community, and we hope they are here to stay.”
Dr. El Rassi reported disclosures related to Cyclerion, Novartis, Pfizer, Global Blood Therapeutics and bluebird bio.
ATLANTA – , according to an investigator at the annual meeting of the American Society of Hematology.
During the first COVID-19 wave in the summer of 2020, Atlanta’s Grady Sickle Cell Center, the nation’s largest adult sickle cell center, recorded two deaths among the 20 COVID-19_infected patients seen there, said Fuad El Rassi, MD, of Emory University, Atlanta.
Virtual visits, launched to deliver health care needs in the wake of a Georgia’s 2020 statewide shelter-in-place order, helped protect patients from COVID-19 infection, Dr. El Rassi said in a press conference at the meeting.
“The patients’ diligence and awareness to stay home during the pandemic have proven crucial to reducing morbidity and mortality in this vulnerable population,” he said. “The option of having virtual visits for health care delivery was key and should be utilized further in sickle cell care.”
However, virtual visits and other best practices to prevent and treat COVID-19 in patients with sickle cell disease can be challenging to implement outside of large, specialized centers such as Grady.
“The majority of sickle cell patients in major metropolitan areas are not plugged into dedicated sickle cell centers, and that’s a key issue,” said Dr. El Rassi.
“There’s a huge shortage of such clinics around major metropolitan areas, and that restricts things for the general population, unfortunately.”
COVID-19 prevention remains a challenge, no matter where patients are treated. Only about 50% of the center’s sickle cell disease patients are immunized, according to Dr. El Rassi, who added that assessment of vaccine response among those patients is ongoing.
Ifeyinwa (Ify) Osunkwo, MD, MPH, a sickle cell disease specialist, said long-term sustainability of virtual visits depends greatly on states’ continuation of laws or policies that facilitate access to telemedicine. A total of 22 states changed laws or policies during the pandemic to promote access to telemedicine, according to the Commonwealth Fund.
Virtual care is more challenging in states where expanded telemedicine coverage is not available or is ended, said Dr. Osunkwo, director of the Sickle Cell Enterprise at Levine Cancer Institute. The institute is part of Atrium Health, a large health system that operates in four states.
“We are no longer able to do virtual visits for our South Carolinian patients, even though across the border in North Carolina, you can still provide virtual care,” Dr. Osunkwo said in an interview.
“Sickle cell patients suffer from social determinants [of health], so getting to their doctor when they have a regular outpatient visit is kind of hard,” she added. “And having that virtual option actually makes them more adherent, and they have better access to care overall.”
In the study presented at the ASH meeting by Dr. El Rassi and colleagues, there were a total of 55 patients with COVID-19 among the 1,343 sickle cell disease patients they tracked. Of the 55 patients with COVID-19, 28 were female and 27 were male, and 35% were on hydroxyurea for disease modification.
Among these 55 patients with COVID-19, 44 (80%) were hospitalized, and the hospitalizations of 15 (27%) were deemed related to COVID-19 signs and symptoms, Dr. El Rassi said. Twelve of the 55 patients (22%) had emergency visits, including 5 (9%) because of COVID-19 symptoms, he added.
The two deaths from COVID-19 occurred in June and July 2020, said Dr. El Rassi, adding that those patients were among 20 total cases diagnosed from March to September of 2020.
Over the second reported wave of COVID-19, from October 2020 to March 2021, there were no deaths seen among 35 total COVID-19 cases, according to the report at the ASH meeting.
In an interview, Kaitlin Strumph, MD, a sickle cell disease specialist at the Children’s Hospital at Montefiore in New York, noted that patients with sickle cell disease who contract COVID-19 are considered at high risk for morbidity and mortality.
“Patients and providers should not let down their guard,” Dr. Strumph said in an interview. “The best way to protect people from COVID-19 right now is prevention, and vaccinations are the key to further improving outcomes.”
Virtual visits can help bridge gaps in care for patients with sickle cell disease, said Dr. Strumph, given that limited access to care is a large driver of health disparities in this population.
“Telemedicine allows patients to stay home and limit their exposure to COVID-19 out in the community and at the hospital,” she said. “I think most providers feel confident that virtual visits are a huge benefit for the community, and we hope they are here to stay.”
Dr. El Rassi reported disclosures related to Cyclerion, Novartis, Pfizer, Global Blood Therapeutics and bluebird bio.
ATLANTA – , according to an investigator at the annual meeting of the American Society of Hematology.
During the first COVID-19 wave in the summer of 2020, Atlanta’s Grady Sickle Cell Center, the nation’s largest adult sickle cell center, recorded two deaths among the 20 COVID-19_infected patients seen there, said Fuad El Rassi, MD, of Emory University, Atlanta.
Virtual visits, launched to deliver health care needs in the wake of a Georgia’s 2020 statewide shelter-in-place order, helped protect patients from COVID-19 infection, Dr. El Rassi said in a press conference at the meeting.
“The patients’ diligence and awareness to stay home during the pandemic have proven crucial to reducing morbidity and mortality in this vulnerable population,” he said. “The option of having virtual visits for health care delivery was key and should be utilized further in sickle cell care.”
However, virtual visits and other best practices to prevent and treat COVID-19 in patients with sickle cell disease can be challenging to implement outside of large, specialized centers such as Grady.
“The majority of sickle cell patients in major metropolitan areas are not plugged into dedicated sickle cell centers, and that’s a key issue,” said Dr. El Rassi.
“There’s a huge shortage of such clinics around major metropolitan areas, and that restricts things for the general population, unfortunately.”
COVID-19 prevention remains a challenge, no matter where patients are treated. Only about 50% of the center’s sickle cell disease patients are immunized, according to Dr. El Rassi, who added that assessment of vaccine response among those patients is ongoing.
Ifeyinwa (Ify) Osunkwo, MD, MPH, a sickle cell disease specialist, said long-term sustainability of virtual visits depends greatly on states’ continuation of laws or policies that facilitate access to telemedicine. A total of 22 states changed laws or policies during the pandemic to promote access to telemedicine, according to the Commonwealth Fund.
Virtual care is more challenging in states where expanded telemedicine coverage is not available or is ended, said Dr. Osunkwo, director of the Sickle Cell Enterprise at Levine Cancer Institute. The institute is part of Atrium Health, a large health system that operates in four states.
“We are no longer able to do virtual visits for our South Carolinian patients, even though across the border in North Carolina, you can still provide virtual care,” Dr. Osunkwo said in an interview.
“Sickle cell patients suffer from social determinants [of health], so getting to their doctor when they have a regular outpatient visit is kind of hard,” she added. “And having that virtual option actually makes them more adherent, and they have better access to care overall.”
In the study presented at the ASH meeting by Dr. El Rassi and colleagues, there were a total of 55 patients with COVID-19 among the 1,343 sickle cell disease patients they tracked. Of the 55 patients with COVID-19, 28 were female and 27 were male, and 35% were on hydroxyurea for disease modification.
Among these 55 patients with COVID-19, 44 (80%) were hospitalized, and the hospitalizations of 15 (27%) were deemed related to COVID-19 signs and symptoms, Dr. El Rassi said. Twelve of the 55 patients (22%) had emergency visits, including 5 (9%) because of COVID-19 symptoms, he added.
The two deaths from COVID-19 occurred in June and July 2020, said Dr. El Rassi, adding that those patients were among 20 total cases diagnosed from March to September of 2020.
Over the second reported wave of COVID-19, from October 2020 to March 2021, there were no deaths seen among 35 total COVID-19 cases, according to the report at the ASH meeting.
In an interview, Kaitlin Strumph, MD, a sickle cell disease specialist at the Children’s Hospital at Montefiore in New York, noted that patients with sickle cell disease who contract COVID-19 are considered at high risk for morbidity and mortality.
“Patients and providers should not let down their guard,” Dr. Strumph said in an interview. “The best way to protect people from COVID-19 right now is prevention, and vaccinations are the key to further improving outcomes.”
Virtual visits can help bridge gaps in care for patients with sickle cell disease, said Dr. Strumph, given that limited access to care is a large driver of health disparities in this population.
“Telemedicine allows patients to stay home and limit their exposure to COVID-19 out in the community and at the hospital,” she said. “I think most providers feel confident that virtual visits are a huge benefit for the community, and we hope they are here to stay.”
Dr. El Rassi reported disclosures related to Cyclerion, Novartis, Pfizer, Global Blood Therapeutics and bluebird bio.
FROM ASH 2021
Delayed umbilical cord clamping improves outcomes in very preterm infants
Delayed umbilical cord clamping for at least 60 seconds after birth significantly reduced death or disability in infants of less than 30 weeks’ gestation, according to data from nearly 1,500 infants.
The burden of disability and mortality for babies born before 30 weeks’ gestation remains high, especially in low- and middle-income countries, wrote Kristy P. Robledo, PhD, of the University of Sydney, Australia, and colleagues. Delayed clamping of the umbilical cord is a simple procedure that may improve mortality in this population, but more research is needed; recommended times to delayed clamping range from 30 seconds to 3 minutes, they noted.
In a study published in The Lancet Child & Adolescent Health, the researchers randomized 767 very preterm infants to delayed clamping at least 60 seconds after birth and 764 to immediate clamping. Of these, 384 were multiple births (who were individually randomized), 862 were male, and 505 were born before 27 weeks’ gestation. The primary outcome was death or disability at 2 years of age. Major disability was defined as cerebral palsy, severe visual loss, deafness requiring a hearing aid or cochlear implants, major language or speech problems, or cognitive delay at 2 years corrected age. The median time to clamping was 60 seconds in the delayed group and 5 seconds in the immediate group.
Primary outcome data were available for 1,419 infants. Death or major disability occurred in 29% of infants assigned to delayed clamping compared to 34% of those assigned to immediate clamping (relative risk 0.83, P = .010). The infants were part of the APTS Childhood Follow-Up Study, an open-label superiority trial conducted in Australia and New Zealand.
By age 2 years, 8% of infants in the delayed group and 11% of those in the immediate group had died; 23% and 26%, respectively, met criteria for major disability. The impact of delayed clamping translates to a 30% reduction in relative risk of mortality at 2 years of age, but no significant impact on major disability, the researchers wrote.
The findings were limited by several factors including the unblinded study design, lack of data on heart rate or time to first breath, and the clamping prior to 60 seconds in 26% of infants in the delayed group based on clinical concerns for these specific infants, the researchers noted.
However, the results were strengthened by the large size, low risk of bias, and specific primary outcome, they said. The data support findings from recent systematic reviews and highlight the need for further trials to evaluate delayed clamping at different time points, with larger populations, inclusion of time to first breath and heart rate, and improved measures of disability, the researchers added.
In clinical practice, “Given that aiming to delay cord clamping for 60 seconds or more improved 2-year outcomes and short-term hematological measures with no evidence of significant harm, it seems reasonable to conclude that delayed clamping is appropriate as standard care in very preterm infants,” they concluded.
Accepting simple intervention could have great impact
This study is important in light of the overwhelming burden of preterm birth on the health care system and society as a whole, Lisette D. Tanner, MD, of Emory University, Atlanta, said in an interview.
“Preterm birth is associated with billions in health care costs each year, and a large portion of that money is directed to the complications associated with preterm birth, such as early intervention services, educational support, and ongoing medical care,” Dr. Tanner said. “This study is particularly timely, as we are quickly approaching 2030, the deadline for achieving the United Nations Sustainable Development Goal of ending preventable deaths of newborns and children under 5 years of age,” she said. The goal involves “all countries aiming to reduce neonatal mortality to at least as low as 12 per 1,000 live births and under-5 mortality to at least as low as 25 per 1,000 live births. Effective treatments to reduce infant and child mortality would make strong inroads toward this goal,” she explained.
Dr. Tanner said she was not surprised by the findings because previous studies have shown similar results. “However, the large, multicenter nature of this study provides additional weight to recommendations to delay cord clamping as standard practice,” she said.
“The findings of this study support the recommendations of a number of large organizations,” said Dr. Tanner. “The World Health Organization recommends that the umbilical cord not be clamped earlier than 1 minute after birth in term or preterm infants who do not require positive pressure ventilation. The American College of Obstetricians and Gynecologists and the American Academy of Pediatrics now recommend a delay in umbilical cord clamping in vigorous term and preterm infants for at least 30–60 seconds after birth,” she said. “The Royal College of Obstetricians and Gynaecologists also recommends deferring umbilical cord clamping for healthy term and preterm infants for at least 2 minutes after birth,” she added.
However, “the delay in adoption of this guidelines in practice appears to be related to some concerns regarding universal adoption of this approach,” Dr. Tanner noted. “Some clinicians have suggested that delayed cord clamping could delay vital neonatal resuscitative efforts, leading to worse neonatal outcomes, but this concern has not been borne out in the data, as all guidelines specifically state that this intervention is for vigorous newborns,” she said. “In fact, in preterm infants, delayed cord clamping is associated with improved transitional circulation, decreased need for blood transfusion, and lower incidence of necrotizing enterocolitis and intraventricular hemorrhage,” Dr. Tanner emphasized. “Additionally, concerns persist that delayed cord clamping could lead to excessive transfusion with resultant polycythemia. Again, no data have supported this claim to date,” she said.
“Finally, some clinicians are concerned that delayed clamping could lead to delay in addressing maternal complications of birth such as hemorrhage, but studies have shown the opposite; delayed umbilical cord clamping has not been associated with an increased risk of postpartum hemorrhage or increased blood loss at delivery, nor has it been with a difference in the need for blood transfusion,” said Dr. Tanner.
Ideally, practitioners will become more comfortable in delaying cord clamping as a routine practice as more data demonstrating the safety and benefit of this easy intervention are disseminated, she said.
Additional research delineating which gestational ages benefit most from delayed cord clamping would help direct education efforts to implement this intervention, Dr. Tanner noted.
The study was funded by the Australian National Health and Medical Research Council. The researchers and Dr. Tanner had no financial conflicts to disclose.
Delayed umbilical cord clamping for at least 60 seconds after birth significantly reduced death or disability in infants of less than 30 weeks’ gestation, according to data from nearly 1,500 infants.
The burden of disability and mortality for babies born before 30 weeks’ gestation remains high, especially in low- and middle-income countries, wrote Kristy P. Robledo, PhD, of the University of Sydney, Australia, and colleagues. Delayed clamping of the umbilical cord is a simple procedure that may improve mortality in this population, but more research is needed; recommended times to delayed clamping range from 30 seconds to 3 minutes, they noted.
In a study published in The Lancet Child & Adolescent Health, the researchers randomized 767 very preterm infants to delayed clamping at least 60 seconds after birth and 764 to immediate clamping. Of these, 384 were multiple births (who were individually randomized), 862 were male, and 505 were born before 27 weeks’ gestation. The primary outcome was death or disability at 2 years of age. Major disability was defined as cerebral palsy, severe visual loss, deafness requiring a hearing aid or cochlear implants, major language or speech problems, or cognitive delay at 2 years corrected age. The median time to clamping was 60 seconds in the delayed group and 5 seconds in the immediate group.
Primary outcome data were available for 1,419 infants. Death or major disability occurred in 29% of infants assigned to delayed clamping compared to 34% of those assigned to immediate clamping (relative risk 0.83, P = .010). The infants were part of the APTS Childhood Follow-Up Study, an open-label superiority trial conducted in Australia and New Zealand.
By age 2 years, 8% of infants in the delayed group and 11% of those in the immediate group had died; 23% and 26%, respectively, met criteria for major disability. The impact of delayed clamping translates to a 30% reduction in relative risk of mortality at 2 years of age, but no significant impact on major disability, the researchers wrote.
The findings were limited by several factors including the unblinded study design, lack of data on heart rate or time to first breath, and the clamping prior to 60 seconds in 26% of infants in the delayed group based on clinical concerns for these specific infants, the researchers noted.
However, the results were strengthened by the large size, low risk of bias, and specific primary outcome, they said. The data support findings from recent systematic reviews and highlight the need for further trials to evaluate delayed clamping at different time points, with larger populations, inclusion of time to first breath and heart rate, and improved measures of disability, the researchers added.
In clinical practice, “Given that aiming to delay cord clamping for 60 seconds or more improved 2-year outcomes and short-term hematological measures with no evidence of significant harm, it seems reasonable to conclude that delayed clamping is appropriate as standard care in very preterm infants,” they concluded.
Accepting simple intervention could have great impact
This study is important in light of the overwhelming burden of preterm birth on the health care system and society as a whole, Lisette D. Tanner, MD, of Emory University, Atlanta, said in an interview.
“Preterm birth is associated with billions in health care costs each year, and a large portion of that money is directed to the complications associated with preterm birth, such as early intervention services, educational support, and ongoing medical care,” Dr. Tanner said. “This study is particularly timely, as we are quickly approaching 2030, the deadline for achieving the United Nations Sustainable Development Goal of ending preventable deaths of newborns and children under 5 years of age,” she said. The goal involves “all countries aiming to reduce neonatal mortality to at least as low as 12 per 1,000 live births and under-5 mortality to at least as low as 25 per 1,000 live births. Effective treatments to reduce infant and child mortality would make strong inroads toward this goal,” she explained.
Dr. Tanner said she was not surprised by the findings because previous studies have shown similar results. “However, the large, multicenter nature of this study provides additional weight to recommendations to delay cord clamping as standard practice,” she said.
“The findings of this study support the recommendations of a number of large organizations,” said Dr. Tanner. “The World Health Organization recommends that the umbilical cord not be clamped earlier than 1 minute after birth in term or preterm infants who do not require positive pressure ventilation. The American College of Obstetricians and Gynecologists and the American Academy of Pediatrics now recommend a delay in umbilical cord clamping in vigorous term and preterm infants for at least 30–60 seconds after birth,” she said. “The Royal College of Obstetricians and Gynaecologists also recommends deferring umbilical cord clamping for healthy term and preterm infants for at least 2 minutes after birth,” she added.
However, “the delay in adoption of this guidelines in practice appears to be related to some concerns regarding universal adoption of this approach,” Dr. Tanner noted. “Some clinicians have suggested that delayed cord clamping could delay vital neonatal resuscitative efforts, leading to worse neonatal outcomes, but this concern has not been borne out in the data, as all guidelines specifically state that this intervention is for vigorous newborns,” she said. “In fact, in preterm infants, delayed cord clamping is associated with improved transitional circulation, decreased need for blood transfusion, and lower incidence of necrotizing enterocolitis and intraventricular hemorrhage,” Dr. Tanner emphasized. “Additionally, concerns persist that delayed cord clamping could lead to excessive transfusion with resultant polycythemia. Again, no data have supported this claim to date,” she said.
“Finally, some clinicians are concerned that delayed clamping could lead to delay in addressing maternal complications of birth such as hemorrhage, but studies have shown the opposite; delayed umbilical cord clamping has not been associated with an increased risk of postpartum hemorrhage or increased blood loss at delivery, nor has it been with a difference in the need for blood transfusion,” said Dr. Tanner.
Ideally, practitioners will become more comfortable in delaying cord clamping as a routine practice as more data demonstrating the safety and benefit of this easy intervention are disseminated, she said.
Additional research delineating which gestational ages benefit most from delayed cord clamping would help direct education efforts to implement this intervention, Dr. Tanner noted.
The study was funded by the Australian National Health and Medical Research Council. The researchers and Dr. Tanner had no financial conflicts to disclose.
Delayed umbilical cord clamping for at least 60 seconds after birth significantly reduced death or disability in infants of less than 30 weeks’ gestation, according to data from nearly 1,500 infants.
The burden of disability and mortality for babies born before 30 weeks’ gestation remains high, especially in low- and middle-income countries, wrote Kristy P. Robledo, PhD, of the University of Sydney, Australia, and colleagues. Delayed clamping of the umbilical cord is a simple procedure that may improve mortality in this population, but more research is needed; recommended times to delayed clamping range from 30 seconds to 3 minutes, they noted.
In a study published in The Lancet Child & Adolescent Health, the researchers randomized 767 very preterm infants to delayed clamping at least 60 seconds after birth and 764 to immediate clamping. Of these, 384 were multiple births (who were individually randomized), 862 were male, and 505 were born before 27 weeks’ gestation. The primary outcome was death or disability at 2 years of age. Major disability was defined as cerebral palsy, severe visual loss, deafness requiring a hearing aid or cochlear implants, major language or speech problems, or cognitive delay at 2 years corrected age. The median time to clamping was 60 seconds in the delayed group and 5 seconds in the immediate group.
Primary outcome data were available for 1,419 infants. Death or major disability occurred in 29% of infants assigned to delayed clamping compared to 34% of those assigned to immediate clamping (relative risk 0.83, P = .010). The infants were part of the APTS Childhood Follow-Up Study, an open-label superiority trial conducted in Australia and New Zealand.
By age 2 years, 8% of infants in the delayed group and 11% of those in the immediate group had died; 23% and 26%, respectively, met criteria for major disability. The impact of delayed clamping translates to a 30% reduction in relative risk of mortality at 2 years of age, but no significant impact on major disability, the researchers wrote.
The findings were limited by several factors including the unblinded study design, lack of data on heart rate or time to first breath, and the clamping prior to 60 seconds in 26% of infants in the delayed group based on clinical concerns for these specific infants, the researchers noted.
However, the results were strengthened by the large size, low risk of bias, and specific primary outcome, they said. The data support findings from recent systematic reviews and highlight the need for further trials to evaluate delayed clamping at different time points, with larger populations, inclusion of time to first breath and heart rate, and improved measures of disability, the researchers added.
In clinical practice, “Given that aiming to delay cord clamping for 60 seconds or more improved 2-year outcomes and short-term hematological measures with no evidence of significant harm, it seems reasonable to conclude that delayed clamping is appropriate as standard care in very preterm infants,” they concluded.
Accepting simple intervention could have great impact
This study is important in light of the overwhelming burden of preterm birth on the health care system and society as a whole, Lisette D. Tanner, MD, of Emory University, Atlanta, said in an interview.
“Preterm birth is associated with billions in health care costs each year, and a large portion of that money is directed to the complications associated with preterm birth, such as early intervention services, educational support, and ongoing medical care,” Dr. Tanner said. “This study is particularly timely, as we are quickly approaching 2030, the deadline for achieving the United Nations Sustainable Development Goal of ending preventable deaths of newborns and children under 5 years of age,” she said. The goal involves “all countries aiming to reduce neonatal mortality to at least as low as 12 per 1,000 live births and under-5 mortality to at least as low as 25 per 1,000 live births. Effective treatments to reduce infant and child mortality would make strong inroads toward this goal,” she explained.
Dr. Tanner said she was not surprised by the findings because previous studies have shown similar results. “However, the large, multicenter nature of this study provides additional weight to recommendations to delay cord clamping as standard practice,” she said.
“The findings of this study support the recommendations of a number of large organizations,” said Dr. Tanner. “The World Health Organization recommends that the umbilical cord not be clamped earlier than 1 minute after birth in term or preterm infants who do not require positive pressure ventilation. The American College of Obstetricians and Gynecologists and the American Academy of Pediatrics now recommend a delay in umbilical cord clamping in vigorous term and preterm infants for at least 30–60 seconds after birth,” she said. “The Royal College of Obstetricians and Gynaecologists also recommends deferring umbilical cord clamping for healthy term and preterm infants for at least 2 minutes after birth,” she added.
However, “the delay in adoption of this guidelines in practice appears to be related to some concerns regarding universal adoption of this approach,” Dr. Tanner noted. “Some clinicians have suggested that delayed cord clamping could delay vital neonatal resuscitative efforts, leading to worse neonatal outcomes, but this concern has not been borne out in the data, as all guidelines specifically state that this intervention is for vigorous newborns,” she said. “In fact, in preterm infants, delayed cord clamping is associated with improved transitional circulation, decreased need for blood transfusion, and lower incidence of necrotizing enterocolitis and intraventricular hemorrhage,” Dr. Tanner emphasized. “Additionally, concerns persist that delayed cord clamping could lead to excessive transfusion with resultant polycythemia. Again, no data have supported this claim to date,” she said.
“Finally, some clinicians are concerned that delayed clamping could lead to delay in addressing maternal complications of birth such as hemorrhage, but studies have shown the opposite; delayed umbilical cord clamping has not been associated with an increased risk of postpartum hemorrhage or increased blood loss at delivery, nor has it been with a difference in the need for blood transfusion,” said Dr. Tanner.
Ideally, practitioners will become more comfortable in delaying cord clamping as a routine practice as more data demonstrating the safety and benefit of this easy intervention are disseminated, she said.
Additional research delineating which gestational ages benefit most from delayed cord clamping would help direct education efforts to implement this intervention, Dr. Tanner noted.
The study was funded by the Australian National Health and Medical Research Council. The researchers and Dr. Tanner had no financial conflicts to disclose.
FROM THE LANCET CHILD & ADOLESCENT HEALTH
NHL: As a second-line treatment in phase 3 trial, tisa-cel disappoints
according to results of a randomized, phase 3 trial.
The chimeric antigen receptor (CAR) T-cell therapy did not improve event-free survival (EFS) in this phase 3 BELINDA study, potentially because of study design decisions or imbalances in relevant patient characteristics, according to the study investigators.
Despite the negative result, insights from this study will inform the development of future clinical trials of CAR T-cell therapy, said BELINDA investigator Michael R. Bishop, MD, of the David and Etta Jonas Center for Cellular Therapy, University of Chicago.
Findings of BELINDA, presented at the annual meeting of the American Society of Hematology, stand in contrast to two other high-profile CAR T-cell therapy studies also presented at the meeting. Those other studies demonstrated significant improvements in EFS in the second-line treatment of large B-cell lymphomas.
“All of us are excited to see that the other two trials were positive, and we were hoping that ours would be as well, but there are significant differences in the trial design,” Dr. Bishop said in a press conference held at the ASH meeting.
Tisagenlecleucel (tisa-cel), an anti-CD19 CAR T-cell therapy, is already approved by the Food and Drug Administration for the treatment of patients with relapsed or refractory large B-cell lymphomas after at least two other lines of systemic therapy.
The aim of the pivotal phase 3, randomized, multicenter BELINDA study was to evaluate tisa-cel earlier in the course of treatment for patients with more aggressive disease, according to Dr. Bishop.
About two-thirds of non-Hodgkin lymphoma patients will be cured with first-line treatment. However, very poor outcomes are seen among patients with disease that does not respond to the initial treatment or that reoccurs shortly afterward, Dr. Bishop said.
The standard of care approach for those patients is second-line therapy, he noted, usually with combination chemoimmunotherapy, followed by autologous stem cell transplant if the disease responds to chemotherapy.
“Unfortunately, only a minority of those patients will be found to have chemotherapy-sensitive disease and be able to go on to autologous stem cell transplantation,” Dr. Bishop said. “And even in that subgroup of patients, the outcomes are relatively poor.”
Accordingly, the phase 3 BELINDA study enrolled patients with aggressive non-Hodgkin lymphomas that either did not respond to first-line treatment or that reoccurred within 12 months.
The primary endpoint of the study was EFS, defined as the time from randomization to either stable or progressive disease at or after a week 12 assessment or to any-cause death at any time.
While that primary endpoint was not met for tisa-cel versus standard of care therapy, two other randomized, phase 3 studies presented at the ASH meeting did demonstrate that CAR T-cell therapy extended EFS when given as a second-line lymphoma treatment.
In the randomized, phase 3 ZUMA-7 trial, axicabtagene ciloleucel (axi-cel) significantly improved EFS versus standard of care in the treatment of patients with large B-cell lymphoma refractory to or relapsed within 12 months of adequate first-line therapy, according to investigators.
Similarly, the investigators said that treatment with lisocabtagene maraleucel (liso-cel) led to a significant improvement in EFS in TRANSFORM, a randomized, phase 3 clinical trial that enrolled patients with large B-cell lymphoma that was refractory to first-line therapy or else relapsed within 12 months of that treatment.
“It’s very possible that either or both the patient characteristics and the study design is what led to the difference in the top-line study results,” lymphoma specialist Andrew M. Evens, DO, said in an interview.
There were substantial differences between the studies in terms of what was allowed as optional bridging therapy and salvage therapy, according to Dr. Evens, associate director for clinical services and director of the lymphoma program at Rutgers Cancer Institute in New Brunswick, N.J.
“In ZUMA-7, they only allowed steroids as bridging therapy,” said Dr. Evens, who was not an investigator on any of the three second-line CAR T-cell studies.
In the BELINDA study, optional platinum-based chemotherapy bridging treatment allowed in one arm of the study could have potentially delayed tisa-cel infusion until after the week 6 assessment, study investigators reported in their ASH meeting abstract.
Differences in lymphodepleting therapy prior to CAR T-cell therapy could have also played a role. According to Dr. Bishop, the total doses of cyclophosphamide and fludarabine in BELINDA were 900 mg/m2 and 75 mg/m2, respectively, while in the other two trials, doses were 1,500 mg/m2 and 90 mg/m2, respectively.
Lymphodepleting chemotherapy is “extremely important” in the success of CAR T-cell therapeutic approaches, he noted at the press conference.
Dr. Bishop reported receiving consultancy fees from Arcellx, Autolus Therapeutics, Bristol-Myers Squibb, CRISPR, Kite/Gilead, and Novartis. He also reported research funding from Bristol-Myers Squibb and Kite/Gilead.
according to results of a randomized, phase 3 trial.
The chimeric antigen receptor (CAR) T-cell therapy did not improve event-free survival (EFS) in this phase 3 BELINDA study, potentially because of study design decisions or imbalances in relevant patient characteristics, according to the study investigators.
Despite the negative result, insights from this study will inform the development of future clinical trials of CAR T-cell therapy, said BELINDA investigator Michael R. Bishop, MD, of the David and Etta Jonas Center for Cellular Therapy, University of Chicago.
Findings of BELINDA, presented at the annual meeting of the American Society of Hematology, stand in contrast to two other high-profile CAR T-cell therapy studies also presented at the meeting. Those other studies demonstrated significant improvements in EFS in the second-line treatment of large B-cell lymphomas.
“All of us are excited to see that the other two trials were positive, and we were hoping that ours would be as well, but there are significant differences in the trial design,” Dr. Bishop said in a press conference held at the ASH meeting.
Tisagenlecleucel (tisa-cel), an anti-CD19 CAR T-cell therapy, is already approved by the Food and Drug Administration for the treatment of patients with relapsed or refractory large B-cell lymphomas after at least two other lines of systemic therapy.
The aim of the pivotal phase 3, randomized, multicenter BELINDA study was to evaluate tisa-cel earlier in the course of treatment for patients with more aggressive disease, according to Dr. Bishop.
About two-thirds of non-Hodgkin lymphoma patients will be cured with first-line treatment. However, very poor outcomes are seen among patients with disease that does not respond to the initial treatment or that reoccurs shortly afterward, Dr. Bishop said.
The standard of care approach for those patients is second-line therapy, he noted, usually with combination chemoimmunotherapy, followed by autologous stem cell transplant if the disease responds to chemotherapy.
“Unfortunately, only a minority of those patients will be found to have chemotherapy-sensitive disease and be able to go on to autologous stem cell transplantation,” Dr. Bishop said. “And even in that subgroup of patients, the outcomes are relatively poor.”
Accordingly, the phase 3 BELINDA study enrolled patients with aggressive non-Hodgkin lymphomas that either did not respond to first-line treatment or that reoccurred within 12 months.
The primary endpoint of the study was EFS, defined as the time from randomization to either stable or progressive disease at or after a week 12 assessment or to any-cause death at any time.
While that primary endpoint was not met for tisa-cel versus standard of care therapy, two other randomized, phase 3 studies presented at the ASH meeting did demonstrate that CAR T-cell therapy extended EFS when given as a second-line lymphoma treatment.
In the randomized, phase 3 ZUMA-7 trial, axicabtagene ciloleucel (axi-cel) significantly improved EFS versus standard of care in the treatment of patients with large B-cell lymphoma refractory to or relapsed within 12 months of adequate first-line therapy, according to investigators.
Similarly, the investigators said that treatment with lisocabtagene maraleucel (liso-cel) led to a significant improvement in EFS in TRANSFORM, a randomized, phase 3 clinical trial that enrolled patients with large B-cell lymphoma that was refractory to first-line therapy or else relapsed within 12 months of that treatment.
“It’s very possible that either or both the patient characteristics and the study design is what led to the difference in the top-line study results,” lymphoma specialist Andrew M. Evens, DO, said in an interview.
There were substantial differences between the studies in terms of what was allowed as optional bridging therapy and salvage therapy, according to Dr. Evens, associate director for clinical services and director of the lymphoma program at Rutgers Cancer Institute in New Brunswick, N.J.
“In ZUMA-7, they only allowed steroids as bridging therapy,” said Dr. Evens, who was not an investigator on any of the three second-line CAR T-cell studies.
In the BELINDA study, optional platinum-based chemotherapy bridging treatment allowed in one arm of the study could have potentially delayed tisa-cel infusion until after the week 6 assessment, study investigators reported in their ASH meeting abstract.
Differences in lymphodepleting therapy prior to CAR T-cell therapy could have also played a role. According to Dr. Bishop, the total doses of cyclophosphamide and fludarabine in BELINDA were 900 mg/m2 and 75 mg/m2, respectively, while in the other two trials, doses were 1,500 mg/m2 and 90 mg/m2, respectively.
Lymphodepleting chemotherapy is “extremely important” in the success of CAR T-cell therapeutic approaches, he noted at the press conference.
Dr. Bishop reported receiving consultancy fees from Arcellx, Autolus Therapeutics, Bristol-Myers Squibb, CRISPR, Kite/Gilead, and Novartis. He also reported research funding from Bristol-Myers Squibb and Kite/Gilead.
according to results of a randomized, phase 3 trial.
The chimeric antigen receptor (CAR) T-cell therapy did not improve event-free survival (EFS) in this phase 3 BELINDA study, potentially because of study design decisions or imbalances in relevant patient characteristics, according to the study investigators.
Despite the negative result, insights from this study will inform the development of future clinical trials of CAR T-cell therapy, said BELINDA investigator Michael R. Bishop, MD, of the David and Etta Jonas Center for Cellular Therapy, University of Chicago.
Findings of BELINDA, presented at the annual meeting of the American Society of Hematology, stand in contrast to two other high-profile CAR T-cell therapy studies also presented at the meeting. Those other studies demonstrated significant improvements in EFS in the second-line treatment of large B-cell lymphomas.
“All of us are excited to see that the other two trials were positive, and we were hoping that ours would be as well, but there are significant differences in the trial design,” Dr. Bishop said in a press conference held at the ASH meeting.
Tisagenlecleucel (tisa-cel), an anti-CD19 CAR T-cell therapy, is already approved by the Food and Drug Administration for the treatment of patients with relapsed or refractory large B-cell lymphomas after at least two other lines of systemic therapy.
The aim of the pivotal phase 3, randomized, multicenter BELINDA study was to evaluate tisa-cel earlier in the course of treatment for patients with more aggressive disease, according to Dr. Bishop.
About two-thirds of non-Hodgkin lymphoma patients will be cured with first-line treatment. However, very poor outcomes are seen among patients with disease that does not respond to the initial treatment or that reoccurs shortly afterward, Dr. Bishop said.
The standard of care approach for those patients is second-line therapy, he noted, usually with combination chemoimmunotherapy, followed by autologous stem cell transplant if the disease responds to chemotherapy.
“Unfortunately, only a minority of those patients will be found to have chemotherapy-sensitive disease and be able to go on to autologous stem cell transplantation,” Dr. Bishop said. “And even in that subgroup of patients, the outcomes are relatively poor.”
Accordingly, the phase 3 BELINDA study enrolled patients with aggressive non-Hodgkin lymphomas that either did not respond to first-line treatment or that reoccurred within 12 months.
The primary endpoint of the study was EFS, defined as the time from randomization to either stable or progressive disease at or after a week 12 assessment or to any-cause death at any time.
While that primary endpoint was not met for tisa-cel versus standard of care therapy, two other randomized, phase 3 studies presented at the ASH meeting did demonstrate that CAR T-cell therapy extended EFS when given as a second-line lymphoma treatment.
In the randomized, phase 3 ZUMA-7 trial, axicabtagene ciloleucel (axi-cel) significantly improved EFS versus standard of care in the treatment of patients with large B-cell lymphoma refractory to or relapsed within 12 months of adequate first-line therapy, according to investigators.
Similarly, the investigators said that treatment with lisocabtagene maraleucel (liso-cel) led to a significant improvement in EFS in TRANSFORM, a randomized, phase 3 clinical trial that enrolled patients with large B-cell lymphoma that was refractory to first-line therapy or else relapsed within 12 months of that treatment.
“It’s very possible that either or both the patient characteristics and the study design is what led to the difference in the top-line study results,” lymphoma specialist Andrew M. Evens, DO, said in an interview.
There were substantial differences between the studies in terms of what was allowed as optional bridging therapy and salvage therapy, according to Dr. Evens, associate director for clinical services and director of the lymphoma program at Rutgers Cancer Institute in New Brunswick, N.J.
“In ZUMA-7, they only allowed steroids as bridging therapy,” said Dr. Evens, who was not an investigator on any of the three second-line CAR T-cell studies.
In the BELINDA study, optional platinum-based chemotherapy bridging treatment allowed in one arm of the study could have potentially delayed tisa-cel infusion until after the week 6 assessment, study investigators reported in their ASH meeting abstract.
Differences in lymphodepleting therapy prior to CAR T-cell therapy could have also played a role. According to Dr. Bishop, the total doses of cyclophosphamide and fludarabine in BELINDA were 900 mg/m2 and 75 mg/m2, respectively, while in the other two trials, doses were 1,500 mg/m2 and 90 mg/m2, respectively.
Lymphodepleting chemotherapy is “extremely important” in the success of CAR T-cell therapeutic approaches, he noted at the press conference.
Dr. Bishop reported receiving consultancy fees from Arcellx, Autolus Therapeutics, Bristol-Myers Squibb, CRISPR, Kite/Gilead, and Novartis. He also reported research funding from Bristol-Myers Squibb and Kite/Gilead.
FROM ASH 2021
TKI/BiTE combo extends survival of older patients with Ph+ALL
ATLANTA – Older patients with acute lymphoblastic leukemia positive for the Philadelphia chromosome (Ph+ALL) are often not fit enough to withstand intensive chemotherapy and stem cell transplants, but remissions with alternative therapies are usually short lived.
Now, results from an ongoing study suggest that the combination of the
The new results were reported by investigators in the SWOG Cancer Research Network and come from a cohort of 25 patients with a median age of 73 years with newly diagnosed Ph+ALL or ALL with dasatinib-sensitive fusions of mutations (Ph-like ALL).
Nearly all (23 of 25 patients, 92%) had complete remissions, and 5 of 16 patients for whom minimal residual disease (MRD) data were available were MRD negative at day 28, said Anjali Advani, MD, from the Cleveland Clinic.
At a median follow-up of 1.7 years, the estimated 3-year disease-free survival rate was 80%, and the estimated overall survival rate was 85%, the investigators reported in a poster presentation at the annual meeting of the American Society of Hematology.
“I think the biggest question will be longer-term follow-up. We clearly see high remission rates in this population, but the issue is whether in these elderly patients who are not candidates for chemo we can prolong remission by the addition of other treatments, such as blinatumomab,” she said in an interview with this news organization.
“The follow-up is reasonable at this point, and as we get longer follow-up, if the current 3-year survival estimates hold up, that would be very encouraging,” she said.
Early promise
A leukemia specialist who was not involved in the study told this news organization that the results are promising, but added that it’s too early to make definitive judgments about the efficacy of the combination.
“People have used just a tyrosine kinase inhibitor and prednisone in these patients and gotten remissions, but they just don’t last,” said Peter Emanuel, MD, from CHI St. Vincent Infirmary in Little Rock, Ark.
“The promise with this approach is that you’re getting a longer-lasting remission – maybe not a cure, but a longer-lasting remission – without having to use intensive chemotherapy,” he said.
“It’s still a pretty small study, so I think this is going to require a bigger trial, looking at more patients, but it’s certainly very encouraging and very promising,” he added.
Hanno Hock, MD, PhD, a leukemia researcher at the Mass General Cancer Center in Boston, said in an interview that “the whole idea here is to add this newer agent, blinatumomab, to make those good initial responses more durable, and it looks like it is able to do that with very impressive initial data,” he said.
“The caveat is that this is still early, and one needs to wait and see how it all pans out, but it’s very well tolerated, and definitely the next logical step in trying to offer something to people who cannot tolerate more aggressive therapy such as transplant,” Dr. Hock added.
Study results
The new results come from a feasibility cohort of patients enrolled in the SWOG S1318 trial, which studied blinatumomab plus chemotherapy and prednisone in older patients with Ph-ALL, as well as blinatumomab, dasatinib, and prednisone in older adults with Ph+ ALL.
Patients 65 and older with newly diagnosed or relapsed/refractory Ph+ALL or Ph-like ALL and no central nervous system disease were eligible for the arm of the trial described here. All patients with data reported in this analysis had newly diagnosed ALL.
Patients first received a single induction cycle of dasatinib and prednisone and were then evaluated for response. Patients with a complete remission (CR) or CR with incomplete recovery of blood counts (CRi) would then undergo prednisone tapering while continuing dasatinib until day 84. Patients without a CR or CRi at day 28 who had remissions by day 56 then also continued dasatinib until day 84.
Those patients still in remission at day 84 went on to three cycles of blinatumomab and dasatinib, followed by dasatinib and prednisone maintenance until unacceptable toxicity or disease progression. Patients may remain on maintenance for up to 10 years after registration.
Patients who do not have a CR or CRi by day 84 can receive reinduction with up to two total cycles of blinatumomab, with those who get a remission moving on to the blinatumomab/ dasatinib combination and those who do not going off protocol.
Of the 25 patients, 23 had a CR following dasatinib/prednisone induction. As noted, 5 of 16 patients evaluable for MRD were MRD negative.
Four patients did not receive postremission therapy, two because of adverse events, one who went on to transplant, and one because of insurance issues.
In a safety review early in the study, 4 of 12 evaluable patients were found to have dose-limiting toxicities, including one case each of grade 3 dyspnea and gastrointestinal pain (in a single patient), hypertension, dyspnea, and hyperglycemia.
These adverse events were deemed acceptable by both U.S. Food and Drug Administration and National Cancer Institute reviewers, and this arm of the study was allowed to continue, Dr. Advani noted.
The study was funded by grants from the National Institutes of Health. Dr. Advani disclosed financial relationships with several companies. Dr. Emanuel and Dr. Hock have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
ATLANTA – Older patients with acute lymphoblastic leukemia positive for the Philadelphia chromosome (Ph+ALL) are often not fit enough to withstand intensive chemotherapy and stem cell transplants, but remissions with alternative therapies are usually short lived.
Now, results from an ongoing study suggest that the combination of the
The new results were reported by investigators in the SWOG Cancer Research Network and come from a cohort of 25 patients with a median age of 73 years with newly diagnosed Ph+ALL or ALL with dasatinib-sensitive fusions of mutations (Ph-like ALL).
Nearly all (23 of 25 patients, 92%) had complete remissions, and 5 of 16 patients for whom minimal residual disease (MRD) data were available were MRD negative at day 28, said Anjali Advani, MD, from the Cleveland Clinic.
At a median follow-up of 1.7 years, the estimated 3-year disease-free survival rate was 80%, and the estimated overall survival rate was 85%, the investigators reported in a poster presentation at the annual meeting of the American Society of Hematology.
“I think the biggest question will be longer-term follow-up. We clearly see high remission rates in this population, but the issue is whether in these elderly patients who are not candidates for chemo we can prolong remission by the addition of other treatments, such as blinatumomab,” she said in an interview with this news organization.
“The follow-up is reasonable at this point, and as we get longer follow-up, if the current 3-year survival estimates hold up, that would be very encouraging,” she said.
Early promise
A leukemia specialist who was not involved in the study told this news organization that the results are promising, but added that it’s too early to make definitive judgments about the efficacy of the combination.
“People have used just a tyrosine kinase inhibitor and prednisone in these patients and gotten remissions, but they just don’t last,” said Peter Emanuel, MD, from CHI St. Vincent Infirmary in Little Rock, Ark.
“The promise with this approach is that you’re getting a longer-lasting remission – maybe not a cure, but a longer-lasting remission – without having to use intensive chemotherapy,” he said.
“It’s still a pretty small study, so I think this is going to require a bigger trial, looking at more patients, but it’s certainly very encouraging and very promising,” he added.
Hanno Hock, MD, PhD, a leukemia researcher at the Mass General Cancer Center in Boston, said in an interview that “the whole idea here is to add this newer agent, blinatumomab, to make those good initial responses more durable, and it looks like it is able to do that with very impressive initial data,” he said.
“The caveat is that this is still early, and one needs to wait and see how it all pans out, but it’s very well tolerated, and definitely the next logical step in trying to offer something to people who cannot tolerate more aggressive therapy such as transplant,” Dr. Hock added.
Study results
The new results come from a feasibility cohort of patients enrolled in the SWOG S1318 trial, which studied blinatumomab plus chemotherapy and prednisone in older patients with Ph-ALL, as well as blinatumomab, dasatinib, and prednisone in older adults with Ph+ ALL.
Patients 65 and older with newly diagnosed or relapsed/refractory Ph+ALL or Ph-like ALL and no central nervous system disease were eligible for the arm of the trial described here. All patients with data reported in this analysis had newly diagnosed ALL.
Patients first received a single induction cycle of dasatinib and prednisone and were then evaluated for response. Patients with a complete remission (CR) or CR with incomplete recovery of blood counts (CRi) would then undergo prednisone tapering while continuing dasatinib until day 84. Patients without a CR or CRi at day 28 who had remissions by day 56 then also continued dasatinib until day 84.
Those patients still in remission at day 84 went on to three cycles of blinatumomab and dasatinib, followed by dasatinib and prednisone maintenance until unacceptable toxicity or disease progression. Patients may remain on maintenance for up to 10 years after registration.
Patients who do not have a CR or CRi by day 84 can receive reinduction with up to two total cycles of blinatumomab, with those who get a remission moving on to the blinatumomab/ dasatinib combination and those who do not going off protocol.
Of the 25 patients, 23 had a CR following dasatinib/prednisone induction. As noted, 5 of 16 patients evaluable for MRD were MRD negative.
Four patients did not receive postremission therapy, two because of adverse events, one who went on to transplant, and one because of insurance issues.
In a safety review early in the study, 4 of 12 evaluable patients were found to have dose-limiting toxicities, including one case each of grade 3 dyspnea and gastrointestinal pain (in a single patient), hypertension, dyspnea, and hyperglycemia.
These adverse events were deemed acceptable by both U.S. Food and Drug Administration and National Cancer Institute reviewers, and this arm of the study was allowed to continue, Dr. Advani noted.
The study was funded by grants from the National Institutes of Health. Dr. Advani disclosed financial relationships with several companies. Dr. Emanuel and Dr. Hock have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
ATLANTA – Older patients with acute lymphoblastic leukemia positive for the Philadelphia chromosome (Ph+ALL) are often not fit enough to withstand intensive chemotherapy and stem cell transplants, but remissions with alternative therapies are usually short lived.
Now, results from an ongoing study suggest that the combination of the
The new results were reported by investigators in the SWOG Cancer Research Network and come from a cohort of 25 patients with a median age of 73 years with newly diagnosed Ph+ALL or ALL with dasatinib-sensitive fusions of mutations (Ph-like ALL).
Nearly all (23 of 25 patients, 92%) had complete remissions, and 5 of 16 patients for whom minimal residual disease (MRD) data were available were MRD negative at day 28, said Anjali Advani, MD, from the Cleveland Clinic.
At a median follow-up of 1.7 years, the estimated 3-year disease-free survival rate was 80%, and the estimated overall survival rate was 85%, the investigators reported in a poster presentation at the annual meeting of the American Society of Hematology.
“I think the biggest question will be longer-term follow-up. We clearly see high remission rates in this population, but the issue is whether in these elderly patients who are not candidates for chemo we can prolong remission by the addition of other treatments, such as blinatumomab,” she said in an interview with this news organization.
“The follow-up is reasonable at this point, and as we get longer follow-up, if the current 3-year survival estimates hold up, that would be very encouraging,” she said.
Early promise
A leukemia specialist who was not involved in the study told this news organization that the results are promising, but added that it’s too early to make definitive judgments about the efficacy of the combination.
“People have used just a tyrosine kinase inhibitor and prednisone in these patients and gotten remissions, but they just don’t last,” said Peter Emanuel, MD, from CHI St. Vincent Infirmary in Little Rock, Ark.
“The promise with this approach is that you’re getting a longer-lasting remission – maybe not a cure, but a longer-lasting remission – without having to use intensive chemotherapy,” he said.
“It’s still a pretty small study, so I think this is going to require a bigger trial, looking at more patients, but it’s certainly very encouraging and very promising,” he added.
Hanno Hock, MD, PhD, a leukemia researcher at the Mass General Cancer Center in Boston, said in an interview that “the whole idea here is to add this newer agent, blinatumomab, to make those good initial responses more durable, and it looks like it is able to do that with very impressive initial data,” he said.
“The caveat is that this is still early, and one needs to wait and see how it all pans out, but it’s very well tolerated, and definitely the next logical step in trying to offer something to people who cannot tolerate more aggressive therapy such as transplant,” Dr. Hock added.
Study results
The new results come from a feasibility cohort of patients enrolled in the SWOG S1318 trial, which studied blinatumomab plus chemotherapy and prednisone in older patients with Ph-ALL, as well as blinatumomab, dasatinib, and prednisone in older adults with Ph+ ALL.
Patients 65 and older with newly diagnosed or relapsed/refractory Ph+ALL or Ph-like ALL and no central nervous system disease were eligible for the arm of the trial described here. All patients with data reported in this analysis had newly diagnosed ALL.
Patients first received a single induction cycle of dasatinib and prednisone and were then evaluated for response. Patients with a complete remission (CR) or CR with incomplete recovery of blood counts (CRi) would then undergo prednisone tapering while continuing dasatinib until day 84. Patients without a CR or CRi at day 28 who had remissions by day 56 then also continued dasatinib until day 84.
Those patients still in remission at day 84 went on to three cycles of blinatumomab and dasatinib, followed by dasatinib and prednisone maintenance until unacceptable toxicity or disease progression. Patients may remain on maintenance for up to 10 years after registration.
Patients who do not have a CR or CRi by day 84 can receive reinduction with up to two total cycles of blinatumomab, with those who get a remission moving on to the blinatumomab/ dasatinib combination and those who do not going off protocol.
Of the 25 patients, 23 had a CR following dasatinib/prednisone induction. As noted, 5 of 16 patients evaluable for MRD were MRD negative.
Four patients did not receive postremission therapy, two because of adverse events, one who went on to transplant, and one because of insurance issues.
In a safety review early in the study, 4 of 12 evaluable patients were found to have dose-limiting toxicities, including one case each of grade 3 dyspnea and gastrointestinal pain (in a single patient), hypertension, dyspnea, and hyperglycemia.
These adverse events were deemed acceptable by both U.S. Food and Drug Administration and National Cancer Institute reviewers, and this arm of the study was allowed to continue, Dr. Advani noted.
The study was funded by grants from the National Institutes of Health. Dr. Advani disclosed financial relationships with several companies. Dr. Emanuel and Dr. Hock have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
AT ASH 2021
Myeloid patients respond robustly to Moderna COVID vaccine
Factors including age, gender, race, disease status, lower-intensity active treatment, baseline neutrophil and lymphocyte counts, and past history of stem cell transplant had no effects on seroconversion in the study, which, despite its small numbers, is one of the largest series to date among patients with myeloid cancers. The findings were reported at the annual meeting of the American Society of Hematology.
COVID vaccination “appears to induce a strong antibody response” in patients with acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS), unlike with B-cell malignancies. “It indicates we should be aggressive about vaccinating such patients,” said senior investigator Jeffrey Lancet, MD, a blood cancer specialist at Moffitt, when he presented the findings at the meeting.
Presentation moderator Laura Michaelis, MD, a hematologist-oncologist at the Medical College of Wisconsin, Milwaukee, agreed.
The “strong antibody response in this group,” coupled with its high risk for severe COVID, “confirm the importance of these patients getting vaccinated,” she said.
Thirty patients with AML and 16 with MDS were included in the review. Most patients were in remission at the time of vaccination, but a third were in active treatment, including six on hypomethylating agents, six on targeted therapies, two on luspatercept, and one on lenalidomide. Thirty-two patients (69.6%) were a median of 17 months past allogeneic stem cell transplant.
Overall, 69.6% of patients developed IgG against spike proteins after the first shot and 95.7% of patients after the second dose, with a large increase in titer levels from the first to the second dose, from a mean of 315 AU/mL to 3,806.5 AU/mL following the second dose.
“Lab and clinical variables did not affect the antibody positivity rate after the second dose,” but patients on steroids and other immunosuppressants seemed less likely to respond to the first shot, Dr. Lancet said.
The study, conducted in early 2021, did not include acutely ill patients or those undergoing cheomotherapy induction and other aggressive treatments, because such patients were not being vaccinated at Moffitt during the study period.
The investigators measured anti-spike IgG by ELISA at baseline, then again about a month after the first shot and a month after the second shot.
Side effects were common and typically mild, including injection site pain, fatigue, headache, and arm swelling. Two patients with AML relapsed after vaccination.
Patients were a median of 68 years old when they were vaccinated; 58.7% were men; and almost all of the subjects were White. The median time from diagnosis to the first shot was 2 years.
The next step in the project is to study the timing of vaccination and response to it among patients on aggressive treatment and to perform neutralizing antibody assays to correlate IgG response with protection from COVID.
No funding was reported for the study. Investigators had numerous industry ties, including Dr. Lancet, a consultant for Celgene/BMS, Millenium Pharma/Takeda, AbbVie, and other firms. Dr. Michaelis didn’t have any disclosures.
aotto@mdedge.com
Factors including age, gender, race, disease status, lower-intensity active treatment, baseline neutrophil and lymphocyte counts, and past history of stem cell transplant had no effects on seroconversion in the study, which, despite its small numbers, is one of the largest series to date among patients with myeloid cancers. The findings were reported at the annual meeting of the American Society of Hematology.
COVID vaccination “appears to induce a strong antibody response” in patients with acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS), unlike with B-cell malignancies. “It indicates we should be aggressive about vaccinating such patients,” said senior investigator Jeffrey Lancet, MD, a blood cancer specialist at Moffitt, when he presented the findings at the meeting.
Presentation moderator Laura Michaelis, MD, a hematologist-oncologist at the Medical College of Wisconsin, Milwaukee, agreed.
The “strong antibody response in this group,” coupled with its high risk for severe COVID, “confirm the importance of these patients getting vaccinated,” she said.
Thirty patients with AML and 16 with MDS were included in the review. Most patients were in remission at the time of vaccination, but a third were in active treatment, including six on hypomethylating agents, six on targeted therapies, two on luspatercept, and one on lenalidomide. Thirty-two patients (69.6%) were a median of 17 months past allogeneic stem cell transplant.
Overall, 69.6% of patients developed IgG against spike proteins after the first shot and 95.7% of patients after the second dose, with a large increase in titer levels from the first to the second dose, from a mean of 315 AU/mL to 3,806.5 AU/mL following the second dose.
“Lab and clinical variables did not affect the antibody positivity rate after the second dose,” but patients on steroids and other immunosuppressants seemed less likely to respond to the first shot, Dr. Lancet said.
The study, conducted in early 2021, did not include acutely ill patients or those undergoing cheomotherapy induction and other aggressive treatments, because such patients were not being vaccinated at Moffitt during the study period.
The investigators measured anti-spike IgG by ELISA at baseline, then again about a month after the first shot and a month after the second shot.
Side effects were common and typically mild, including injection site pain, fatigue, headache, and arm swelling. Two patients with AML relapsed after vaccination.
Patients were a median of 68 years old when they were vaccinated; 58.7% were men; and almost all of the subjects were White. The median time from diagnosis to the first shot was 2 years.
The next step in the project is to study the timing of vaccination and response to it among patients on aggressive treatment and to perform neutralizing antibody assays to correlate IgG response with protection from COVID.
No funding was reported for the study. Investigators had numerous industry ties, including Dr. Lancet, a consultant for Celgene/BMS, Millenium Pharma/Takeda, AbbVie, and other firms. Dr. Michaelis didn’t have any disclosures.
aotto@mdedge.com
Factors including age, gender, race, disease status, lower-intensity active treatment, baseline neutrophil and lymphocyte counts, and past history of stem cell transplant had no effects on seroconversion in the study, which, despite its small numbers, is one of the largest series to date among patients with myeloid cancers. The findings were reported at the annual meeting of the American Society of Hematology.
COVID vaccination “appears to induce a strong antibody response” in patients with acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS), unlike with B-cell malignancies. “It indicates we should be aggressive about vaccinating such patients,” said senior investigator Jeffrey Lancet, MD, a blood cancer specialist at Moffitt, when he presented the findings at the meeting.
Presentation moderator Laura Michaelis, MD, a hematologist-oncologist at the Medical College of Wisconsin, Milwaukee, agreed.
The “strong antibody response in this group,” coupled with its high risk for severe COVID, “confirm the importance of these patients getting vaccinated,” she said.
Thirty patients with AML and 16 with MDS were included in the review. Most patients were in remission at the time of vaccination, but a third were in active treatment, including six on hypomethylating agents, six on targeted therapies, two on luspatercept, and one on lenalidomide. Thirty-two patients (69.6%) were a median of 17 months past allogeneic stem cell transplant.
Overall, 69.6% of patients developed IgG against spike proteins after the first shot and 95.7% of patients after the second dose, with a large increase in titer levels from the first to the second dose, from a mean of 315 AU/mL to 3,806.5 AU/mL following the second dose.
“Lab and clinical variables did not affect the antibody positivity rate after the second dose,” but patients on steroids and other immunosuppressants seemed less likely to respond to the first shot, Dr. Lancet said.
The study, conducted in early 2021, did not include acutely ill patients or those undergoing cheomotherapy induction and other aggressive treatments, because such patients were not being vaccinated at Moffitt during the study period.
The investigators measured anti-spike IgG by ELISA at baseline, then again about a month after the first shot and a month after the second shot.
Side effects were common and typically mild, including injection site pain, fatigue, headache, and arm swelling. Two patients with AML relapsed after vaccination.
Patients were a median of 68 years old when they were vaccinated; 58.7% were men; and almost all of the subjects were White. The median time from diagnosis to the first shot was 2 years.
The next step in the project is to study the timing of vaccination and response to it among patients on aggressive treatment and to perform neutralizing antibody assays to correlate IgG response with protection from COVID.
No funding was reported for the study. Investigators had numerous industry ties, including Dr. Lancet, a consultant for Celgene/BMS, Millenium Pharma/Takeda, AbbVie, and other firms. Dr. Michaelis didn’t have any disclosures.
aotto@mdedge.com
FROM ASH 2021
For leukemias, COVID-19 death risks tied to poor prognoses, ICU deferrals
, results of an American Society of Hematology (ASH) COVID-19 registry study suggest.
Rates of severe COVID-19 were significantly higher among patients who had active disease or neutropenia at the time of their COVID-19 diagnosis. Mortality related to COVID-19 was linked to neutropenia, primary disease prognosis of less than 6 months, and deferral of recommended ICU care, study results show.
By contrast, mortality was not associated with active primary disease or its treatment, according to researcher Pinkal Desai, MD, MPH.
Taken together, these findings provide preliminary evidence to support the use of aggressive supportive treatment of COVID-19 in patients with acute leukemias and myelodysplastic syndromes, said Dr. Desai, a hematologist-oncologist with Weill Cornell Medicine and NewYork-Presbyterian in New York.
“If desired by patients, aggressive support for hospitalized patients with COVID-19 is appropriate, regardless of remission status, given the results of our study,” Dr. Desai said in a press conference during the annual meeting of the American Society of Hematology.
In non-cancer patient populations, advanced age and cytopenias have been associated with mortality related to COVID-19, Dr. Desai said. Likewise, patients with acute leukemias and myelodysplastic syndrome are generally older and have disease- or treatment-related cytopenias, which might affect the severity of and mortality from COVID-19, she added.
With that concern in mind, Dr. Desai and co-investigators looked at predictors of severe COVID-19 disease and death among patients in the ASH Research Collaborative (ASH RC) COVID-19 Registry for Hematology.
This registry was started in the early days of the pandemic to provide real-time observational COVID-19 data to clinicians, according to an ASH news release.
The analysis by Dr. Desai and co-authors included 257 patients with COVID-19 as determined by their physician, including 135 with a primary diagnosis of acute myeloid leukemia, 82 with acute lymphocytic leukemia, and 40 with myelodysplastic syndromes. Sixty percent of the patients were hospitalized due to COVID-19.
At the time of COVID-19 diagnosis, 46% of patients were in remission, and 44% had active disease, according to the report.
Both neutropenia and active disease status at COVID-19 diagnosis were linked to severe COVID-19, defined as ICU admission due to a COVID-19-related reason, according to results of multivariable analysis. Among patients with severe COVID-19, 67% had active disease, meaning just 33% were in remission, Dr. Desai noted.
In multivariable analysis, two factors were significantly associated with mortality, she added: having an estimated pre-COVID-19 prognosis from the primary disease of less than 6 months, and deferral of ICU care when it was recommended to the patient.
Mortality was 21% overall, higher than would be expected in a non-cancer population, Dr. Desai said. For patients with COVID-19 requiring hospitalization, the mortality rate was 34% and for those patients who did go to the ICU, the mortality rate was 68%.
By contrast, there was no significant association between mortality and active disease as compared to disease in remission, Dr. Desai noted in her presentation. Likewise, mortality was not associated with active treatment at the time of COVID-19 diagnosis as compared to no treatment.
Gwen Nichols, MD, executive vice president and chief medical officer of the Leukemia & Lymphoma Society, New York, said those are reassuring data for patients with acute leukemias and myelodysplastic syndromes and their healthcare providers.
“From our point of view, it helps us say, ‘do not stop your treatment because of worries about COVID-19—it’s more important that you treat your cancer,” Dr. Nichols said in an interview. “We now know we can help people through COVID-19, and I think this is just really important data to back that up,” she added.
Dr. Desai provided disclosures related to Agios, Kura Oncology, and Bristol Myers Squibb (consultancy), and to Janssen R&D and Astex (research funding).
, results of an American Society of Hematology (ASH) COVID-19 registry study suggest.
Rates of severe COVID-19 were significantly higher among patients who had active disease or neutropenia at the time of their COVID-19 diagnosis. Mortality related to COVID-19 was linked to neutropenia, primary disease prognosis of less than 6 months, and deferral of recommended ICU care, study results show.
By contrast, mortality was not associated with active primary disease or its treatment, according to researcher Pinkal Desai, MD, MPH.
Taken together, these findings provide preliminary evidence to support the use of aggressive supportive treatment of COVID-19 in patients with acute leukemias and myelodysplastic syndromes, said Dr. Desai, a hematologist-oncologist with Weill Cornell Medicine and NewYork-Presbyterian in New York.
“If desired by patients, aggressive support for hospitalized patients with COVID-19 is appropriate, regardless of remission status, given the results of our study,” Dr. Desai said in a press conference during the annual meeting of the American Society of Hematology.
In non-cancer patient populations, advanced age and cytopenias have been associated with mortality related to COVID-19, Dr. Desai said. Likewise, patients with acute leukemias and myelodysplastic syndrome are generally older and have disease- or treatment-related cytopenias, which might affect the severity of and mortality from COVID-19, she added.
With that concern in mind, Dr. Desai and co-investigators looked at predictors of severe COVID-19 disease and death among patients in the ASH Research Collaborative (ASH RC) COVID-19 Registry for Hematology.
This registry was started in the early days of the pandemic to provide real-time observational COVID-19 data to clinicians, according to an ASH news release.
The analysis by Dr. Desai and co-authors included 257 patients with COVID-19 as determined by their physician, including 135 with a primary diagnosis of acute myeloid leukemia, 82 with acute lymphocytic leukemia, and 40 with myelodysplastic syndromes. Sixty percent of the patients were hospitalized due to COVID-19.
At the time of COVID-19 diagnosis, 46% of patients were in remission, and 44% had active disease, according to the report.
Both neutropenia and active disease status at COVID-19 diagnosis were linked to severe COVID-19, defined as ICU admission due to a COVID-19-related reason, according to results of multivariable analysis. Among patients with severe COVID-19, 67% had active disease, meaning just 33% were in remission, Dr. Desai noted.
In multivariable analysis, two factors were significantly associated with mortality, she added: having an estimated pre-COVID-19 prognosis from the primary disease of less than 6 months, and deferral of ICU care when it was recommended to the patient.
Mortality was 21% overall, higher than would be expected in a non-cancer population, Dr. Desai said. For patients with COVID-19 requiring hospitalization, the mortality rate was 34% and for those patients who did go to the ICU, the mortality rate was 68%.
By contrast, there was no significant association between mortality and active disease as compared to disease in remission, Dr. Desai noted in her presentation. Likewise, mortality was not associated with active treatment at the time of COVID-19 diagnosis as compared to no treatment.
Gwen Nichols, MD, executive vice president and chief medical officer of the Leukemia & Lymphoma Society, New York, said those are reassuring data for patients with acute leukemias and myelodysplastic syndromes and their healthcare providers.
“From our point of view, it helps us say, ‘do not stop your treatment because of worries about COVID-19—it’s more important that you treat your cancer,” Dr. Nichols said in an interview. “We now know we can help people through COVID-19, and I think this is just really important data to back that up,” she added.
Dr. Desai provided disclosures related to Agios, Kura Oncology, and Bristol Myers Squibb (consultancy), and to Janssen R&D and Astex (research funding).
, results of an American Society of Hematology (ASH) COVID-19 registry study suggest.
Rates of severe COVID-19 were significantly higher among patients who had active disease or neutropenia at the time of their COVID-19 diagnosis. Mortality related to COVID-19 was linked to neutropenia, primary disease prognosis of less than 6 months, and deferral of recommended ICU care, study results show.
By contrast, mortality was not associated with active primary disease or its treatment, according to researcher Pinkal Desai, MD, MPH.
Taken together, these findings provide preliminary evidence to support the use of aggressive supportive treatment of COVID-19 in patients with acute leukemias and myelodysplastic syndromes, said Dr. Desai, a hematologist-oncologist with Weill Cornell Medicine and NewYork-Presbyterian in New York.
“If desired by patients, aggressive support for hospitalized patients with COVID-19 is appropriate, regardless of remission status, given the results of our study,” Dr. Desai said in a press conference during the annual meeting of the American Society of Hematology.
In non-cancer patient populations, advanced age and cytopenias have been associated with mortality related to COVID-19, Dr. Desai said. Likewise, patients with acute leukemias and myelodysplastic syndrome are generally older and have disease- or treatment-related cytopenias, which might affect the severity of and mortality from COVID-19, she added.
With that concern in mind, Dr. Desai and co-investigators looked at predictors of severe COVID-19 disease and death among patients in the ASH Research Collaborative (ASH RC) COVID-19 Registry for Hematology.
This registry was started in the early days of the pandemic to provide real-time observational COVID-19 data to clinicians, according to an ASH news release.
The analysis by Dr. Desai and co-authors included 257 patients with COVID-19 as determined by their physician, including 135 with a primary diagnosis of acute myeloid leukemia, 82 with acute lymphocytic leukemia, and 40 with myelodysplastic syndromes. Sixty percent of the patients were hospitalized due to COVID-19.
At the time of COVID-19 diagnosis, 46% of patients were in remission, and 44% had active disease, according to the report.
Both neutropenia and active disease status at COVID-19 diagnosis were linked to severe COVID-19, defined as ICU admission due to a COVID-19-related reason, according to results of multivariable analysis. Among patients with severe COVID-19, 67% had active disease, meaning just 33% were in remission, Dr. Desai noted.
In multivariable analysis, two factors were significantly associated with mortality, she added: having an estimated pre-COVID-19 prognosis from the primary disease of less than 6 months, and deferral of ICU care when it was recommended to the patient.
Mortality was 21% overall, higher than would be expected in a non-cancer population, Dr. Desai said. For patients with COVID-19 requiring hospitalization, the mortality rate was 34% and for those patients who did go to the ICU, the mortality rate was 68%.
By contrast, there was no significant association between mortality and active disease as compared to disease in remission, Dr. Desai noted in her presentation. Likewise, mortality was not associated with active treatment at the time of COVID-19 diagnosis as compared to no treatment.
Gwen Nichols, MD, executive vice president and chief medical officer of the Leukemia & Lymphoma Society, New York, said those are reassuring data for patients with acute leukemias and myelodysplastic syndromes and their healthcare providers.
“From our point of view, it helps us say, ‘do not stop your treatment because of worries about COVID-19—it’s more important that you treat your cancer,” Dr. Nichols said in an interview. “We now know we can help people through COVID-19, and I think this is just really important data to back that up,” she added.
Dr. Desai provided disclosures related to Agios, Kura Oncology, and Bristol Myers Squibb (consultancy), and to Janssen R&D and Astex (research funding).
FROM ASH 2021
Beta-thalassemia gene therapy achieves lasting transfusion independence
, an investigator reported at the annual meeting of the American Society of Hematology.
Among patients who received betibeglogene autotemcel (beti-cel) in a phase 3 trial and enrolled in a long-term follow-up study, nearly 90% achieved durable transfusion independence, according to Alexis A. Thompson, MD, MPH, of the hematology section at the Ann & Robert H. Lurie Children’s Hospital of Chicago.
The median duration of ongoing transfusion independence was nearly 3 years as of this report, which Dr. Thompson described in a press conference at the meeting.
In a subanalysis of this international study, Dr. Thompson and co-investigators reported that in patients who achieve transfusion independence, chelation reduced iron, and iron markers stabilized even after chelation was stopped.
Beyond 2 years post-infusion, no adverse events related to the drug product were seen. This suggested that the therapy has a favorable long-term safety profile, according to Dr. Thompson.
“At this point, we believe that beti-cel is potentially curative for patients with TDT [transfusion-dependent beta-thalassemia],” Dr. Thompson said in the press conference.
This study answers one of the major outstanding questions about beti-cel and iron metabolism, according to Arielle L. Langer, MD, MPH, an instructor in medicine at Harvard Medical School and attending physician for adult thalassemia patients at Brigham and Women’s and Dana Farber Cancer Institute, both in Boston.
“Seeing the restoration of iron metabolism, it really takes us a step closer to really thinking the term ‘cure’ might truly apply,” Dr. Langer said in an interview.
Dr. Langer said she looks forward to “very long-term outcomes” of beti-cel-treated patients to see whether endocrinopathies and other long-term sequelae of TDT are also abated.
“This [study] is a great intermediate point, but really, when we think about how thalassemia harms and kills our patients, we really sometimes measure that in decades,” she said.
Beta-thalassemia is caused by mutations in the beta-globin gene, resulting in reduced levels of hemoglobin. Patients with TDT, the most serious form of the disease, have severe anemia and are often dependent on red blood cell transfusions from infancy onward, Dr. Thompson said.
With chronic transfusions needed to maintain hemoglobin levels, TDT patients inevitably experience iron overload, which can lead to organ damage and can be fatal. Consequently, patients will require lifelong iron chelation therapy, she added.
Beti-cel, an investigational ex vivo gene addition therapy currently under review by the U.S. Food and Drug Administration, involves adding functional copies of a modified form of the beta-globin gene into a patient’s own hematopoietic stem cells. Once those cells are reinfused, patients may produce adult hemoglobin at levels that eliminate the need for transfusions, according to Dr. Thompson.
At the meeting, Dr. Thompson reported on patients from two phase 1/2 and two phase 3 beti-cel clinical trials who subsequently enrolled in LTF-303, a 13-year follow-up study of the gene therapy’s safety and efficacy.
A total of 57 patients were included in this report, making it the largest gene therapy program to date in any blood disorder, according to Dr. Thompson. Before receiving beti-cel, the patients, who had a broad range of thalassemia genotypes, were receiving between 10 and almost 40 red blood cell transfusions per year, she reported.
Patients ranged in age from 5 to 35 years. The median age in the phase 1/2 studies was 20 years, while in the phase 3 studies it was 15 years.
“The early experience in the phase 1/2 trials allowed us to be more comfortable with enrolling more children, and that has actually helped us to understand safety and efficacy and children in the phase 3 setting,” Dr. Thompson said.
Fertility preservation measures had been undertaken by about 59% of patients from the phase 1/2 studies and 71% of patients from the phase 3 studies, the data show.
Among patients from the phase 3 beti-cel studies who could be evaluated, 31 out of 35 (or 89%) achieved durable transfusion independence, according to the investigator.
The median duration of ongoing transfusion independence was 32 months, with a range of about 18 to 49 months, she added.
Dr. Thompson also reported a subanalysis intended to assess iron status in 16 patients who restarted and then stopped chelation. That subanalysis demonstrated iron reduction in response to chelation, and then stabilization of iron markers after chelation was stopped. Post-gene therapy chelation led to reductions in liver iron concentration and serum ferritin that remained relatively stable after chelation was stopped, she said.
Serious adverse events occurred in eight patients in the long-term follow-up study. However, adverse events related to beti-cel have been absent beyond 2 years post-infusion, according to Dr. Thompson, who added that there have been no reported cases of replication-competent lentivirus, no clonal expansion, no insertional oncogenesis, and no malignancies observed.
“Very reassuringly, there have been 2 male patients, one of whom underwent fertility preservation, who report having healthy children with their partners,” she added.
Dr. Thompson provided disclosures related to Baxalta, Biomarin, bluebird bio, Inc., Celgene/BMS, CRISPR Therapeutics, Vertex, Editas, Graphite Bio, Novartis, Agios, Beam, and Global Blood Therapeutics.
, an investigator reported at the annual meeting of the American Society of Hematology.
Among patients who received betibeglogene autotemcel (beti-cel) in a phase 3 trial and enrolled in a long-term follow-up study, nearly 90% achieved durable transfusion independence, according to Alexis A. Thompson, MD, MPH, of the hematology section at the Ann & Robert H. Lurie Children’s Hospital of Chicago.
The median duration of ongoing transfusion independence was nearly 3 years as of this report, which Dr. Thompson described in a press conference at the meeting.
In a subanalysis of this international study, Dr. Thompson and co-investigators reported that in patients who achieve transfusion independence, chelation reduced iron, and iron markers stabilized even after chelation was stopped.
Beyond 2 years post-infusion, no adverse events related to the drug product were seen. This suggested that the therapy has a favorable long-term safety profile, according to Dr. Thompson.
“At this point, we believe that beti-cel is potentially curative for patients with TDT [transfusion-dependent beta-thalassemia],” Dr. Thompson said in the press conference.
This study answers one of the major outstanding questions about beti-cel and iron metabolism, according to Arielle L. Langer, MD, MPH, an instructor in medicine at Harvard Medical School and attending physician for adult thalassemia patients at Brigham and Women’s and Dana Farber Cancer Institute, both in Boston.
“Seeing the restoration of iron metabolism, it really takes us a step closer to really thinking the term ‘cure’ might truly apply,” Dr. Langer said in an interview.
Dr. Langer said she looks forward to “very long-term outcomes” of beti-cel-treated patients to see whether endocrinopathies and other long-term sequelae of TDT are also abated.
“This [study] is a great intermediate point, but really, when we think about how thalassemia harms and kills our patients, we really sometimes measure that in decades,” she said.
Beta-thalassemia is caused by mutations in the beta-globin gene, resulting in reduced levels of hemoglobin. Patients with TDT, the most serious form of the disease, have severe anemia and are often dependent on red blood cell transfusions from infancy onward, Dr. Thompson said.
With chronic transfusions needed to maintain hemoglobin levels, TDT patients inevitably experience iron overload, which can lead to organ damage and can be fatal. Consequently, patients will require lifelong iron chelation therapy, she added.
Beti-cel, an investigational ex vivo gene addition therapy currently under review by the U.S. Food and Drug Administration, involves adding functional copies of a modified form of the beta-globin gene into a patient’s own hematopoietic stem cells. Once those cells are reinfused, patients may produce adult hemoglobin at levels that eliminate the need for transfusions, according to Dr. Thompson.
At the meeting, Dr. Thompson reported on patients from two phase 1/2 and two phase 3 beti-cel clinical trials who subsequently enrolled in LTF-303, a 13-year follow-up study of the gene therapy’s safety and efficacy.
A total of 57 patients were included in this report, making it the largest gene therapy program to date in any blood disorder, according to Dr. Thompson. Before receiving beti-cel, the patients, who had a broad range of thalassemia genotypes, were receiving between 10 and almost 40 red blood cell transfusions per year, she reported.
Patients ranged in age from 5 to 35 years. The median age in the phase 1/2 studies was 20 years, while in the phase 3 studies it was 15 years.
“The early experience in the phase 1/2 trials allowed us to be more comfortable with enrolling more children, and that has actually helped us to understand safety and efficacy and children in the phase 3 setting,” Dr. Thompson said.
Fertility preservation measures had been undertaken by about 59% of patients from the phase 1/2 studies and 71% of patients from the phase 3 studies, the data show.
Among patients from the phase 3 beti-cel studies who could be evaluated, 31 out of 35 (or 89%) achieved durable transfusion independence, according to the investigator.
The median duration of ongoing transfusion independence was 32 months, with a range of about 18 to 49 months, she added.
Dr. Thompson also reported a subanalysis intended to assess iron status in 16 patients who restarted and then stopped chelation. That subanalysis demonstrated iron reduction in response to chelation, and then stabilization of iron markers after chelation was stopped. Post-gene therapy chelation led to reductions in liver iron concentration and serum ferritin that remained relatively stable after chelation was stopped, she said.
Serious adverse events occurred in eight patients in the long-term follow-up study. However, adverse events related to beti-cel have been absent beyond 2 years post-infusion, according to Dr. Thompson, who added that there have been no reported cases of replication-competent lentivirus, no clonal expansion, no insertional oncogenesis, and no malignancies observed.
“Very reassuringly, there have been 2 male patients, one of whom underwent fertility preservation, who report having healthy children with their partners,” she added.
Dr. Thompson provided disclosures related to Baxalta, Biomarin, bluebird bio, Inc., Celgene/BMS, CRISPR Therapeutics, Vertex, Editas, Graphite Bio, Novartis, Agios, Beam, and Global Blood Therapeutics.
, an investigator reported at the annual meeting of the American Society of Hematology.
Among patients who received betibeglogene autotemcel (beti-cel) in a phase 3 trial and enrolled in a long-term follow-up study, nearly 90% achieved durable transfusion independence, according to Alexis A. Thompson, MD, MPH, of the hematology section at the Ann & Robert H. Lurie Children’s Hospital of Chicago.
The median duration of ongoing transfusion independence was nearly 3 years as of this report, which Dr. Thompson described in a press conference at the meeting.
In a subanalysis of this international study, Dr. Thompson and co-investigators reported that in patients who achieve transfusion independence, chelation reduced iron, and iron markers stabilized even after chelation was stopped.
Beyond 2 years post-infusion, no adverse events related to the drug product were seen. This suggested that the therapy has a favorable long-term safety profile, according to Dr. Thompson.
“At this point, we believe that beti-cel is potentially curative for patients with TDT [transfusion-dependent beta-thalassemia],” Dr. Thompson said in the press conference.
This study answers one of the major outstanding questions about beti-cel and iron metabolism, according to Arielle L. Langer, MD, MPH, an instructor in medicine at Harvard Medical School and attending physician for adult thalassemia patients at Brigham and Women’s and Dana Farber Cancer Institute, both in Boston.
“Seeing the restoration of iron metabolism, it really takes us a step closer to really thinking the term ‘cure’ might truly apply,” Dr. Langer said in an interview.
Dr. Langer said she looks forward to “very long-term outcomes” of beti-cel-treated patients to see whether endocrinopathies and other long-term sequelae of TDT are also abated.
“This [study] is a great intermediate point, but really, when we think about how thalassemia harms and kills our patients, we really sometimes measure that in decades,” she said.
Beta-thalassemia is caused by mutations in the beta-globin gene, resulting in reduced levels of hemoglobin. Patients with TDT, the most serious form of the disease, have severe anemia and are often dependent on red blood cell transfusions from infancy onward, Dr. Thompson said.
With chronic transfusions needed to maintain hemoglobin levels, TDT patients inevitably experience iron overload, which can lead to organ damage and can be fatal. Consequently, patients will require lifelong iron chelation therapy, she added.
Beti-cel, an investigational ex vivo gene addition therapy currently under review by the U.S. Food and Drug Administration, involves adding functional copies of a modified form of the beta-globin gene into a patient’s own hematopoietic stem cells. Once those cells are reinfused, patients may produce adult hemoglobin at levels that eliminate the need for transfusions, according to Dr. Thompson.
At the meeting, Dr. Thompson reported on patients from two phase 1/2 and two phase 3 beti-cel clinical trials who subsequently enrolled in LTF-303, a 13-year follow-up study of the gene therapy’s safety and efficacy.
A total of 57 patients were included in this report, making it the largest gene therapy program to date in any blood disorder, according to Dr. Thompson. Before receiving beti-cel, the patients, who had a broad range of thalassemia genotypes, were receiving between 10 and almost 40 red blood cell transfusions per year, she reported.
Patients ranged in age from 5 to 35 years. The median age in the phase 1/2 studies was 20 years, while in the phase 3 studies it was 15 years.
“The early experience in the phase 1/2 trials allowed us to be more comfortable with enrolling more children, and that has actually helped us to understand safety and efficacy and children in the phase 3 setting,” Dr. Thompson said.
Fertility preservation measures had been undertaken by about 59% of patients from the phase 1/2 studies and 71% of patients from the phase 3 studies, the data show.
Among patients from the phase 3 beti-cel studies who could be evaluated, 31 out of 35 (or 89%) achieved durable transfusion independence, according to the investigator.
The median duration of ongoing transfusion independence was 32 months, with a range of about 18 to 49 months, she added.
Dr. Thompson also reported a subanalysis intended to assess iron status in 16 patients who restarted and then stopped chelation. That subanalysis demonstrated iron reduction in response to chelation, and then stabilization of iron markers after chelation was stopped. Post-gene therapy chelation led to reductions in liver iron concentration and serum ferritin that remained relatively stable after chelation was stopped, she said.
Serious adverse events occurred in eight patients in the long-term follow-up study. However, adverse events related to beti-cel have been absent beyond 2 years post-infusion, according to Dr. Thompson, who added that there have been no reported cases of replication-competent lentivirus, no clonal expansion, no insertional oncogenesis, and no malignancies observed.
“Very reassuringly, there have been 2 male patients, one of whom underwent fertility preservation, who report having healthy children with their partners,” she added.
Dr. Thompson provided disclosures related to Baxalta, Biomarin, bluebird bio, Inc., Celgene/BMS, CRISPR Therapeutics, Vertex, Editas, Graphite Bio, Novartis, Agios, Beam, and Global Blood Therapeutics.
FROM ASH 2021