Anemia

BETHESDA, MD. – The risk of brain damage from sickle cell disease (SCD) merits more attention, even with progress made in recent decades to prevent strokes, according to Lori Jordan, MD, PhD, of Vanderbilt University, Nashville, Tenn.

“Whether we can see it or not, the same injury we’ve been talking about in the kidney and the liver and other places is occurring in the brain” with sickle cell disease, Dr. Jordan said at Sickle Cell in Focus, a conference held by the National Institutes of Health.

The concern about long-term brain injury reflects major shifts in SCD treatment. Improved medical care has transformed SCD from a disease that often resulted in an early death to more of a chronic condition, Dr. Jordan said, citing research that shows a survival rate of roughly 99% to age 18 years (Br J Haematol. 2016 Jun;173[6]:927-37).

One of the major success stories in SCD treatment also has been using primary prevention steps to cut the risk of overt stroke at least 10-fold, Dr. Jordan said. Primary prevention includes annual scans with transcranial Doppler ultrasound to identify children with SCD at high risk of stroke.

“What’s not changing is that there is silent injury that accumulates” and can cause lifelong harm, she said. “We want to protect our patients long term so that they can have a successful adult life, not just a successful childhood.”

Research done by one of Dr. Jordan’s colleagues at Vanderbilt, Michael R. DeBaun, MD, showed that regular blood-transfusion therapy significantly reduced the incidence of the recurrence of brain infarct in children with sickle cell anemia. (N Engl J Med. 2014 Aug 21;371[8]:699-710).


But the lessons from the work of Dr. DeBaun and his colleagues with their Silent Cerebral Infarct Multi-Center Clinical (SIT) Trial have not yet been fully adopted, Dr. Jordan said. That’s partly due to the inconvenience and cost of routinely administered blood transfusions to prevent silent cerebral infarcts, which, when used long term, cause side effects, she said.

Dr. Jordan said there’s growing interest in identifying patients at high risk for stroke and moving them toward stem cell transplant, though studies are ongoing. She urged greater attention to the high lifetime costs of strokes and other cerebrovascular complications, particularly in children and young adults.

While some of the brain infarcts are small and don’t result in focal weakness of the body, these “silent infarcts” do produce cognitive effects that reduce function, school performance, employment, and quality of life, she said.

“The injury to the brain is present, whether we can see it or not,” Dr. Jordan said. “In these precious patients, slow cognitive decline isn’t acceptable, frankly.”

Dr. Jordan reported having received funding from the American Heart Association and the National Institutes of Health for stroke prevention studies in SCD.

BETHESDA, MD. – The risk of brain damage from sickle cell disease (SCD) merits more attention, even with progress made in recent decades to prevent strokes, according to Lori Jordan, MD, PhD, of Vanderbilt University, Nashville, Tenn.

“Whether we can see it or not, the same injury we’ve been talking about in the kidney and the liver and other places is occurring in the brain” with sickle cell disease, Dr. Jordan said at Sickle Cell in Focus, a conference held by the National Institutes of Health.

The concern about long-term brain injury reflects major shifts in SCD treatment. Improved medical care has transformed SCD from a disease that often resulted in an early death to more of a chronic condition, Dr. Jordan said, citing research that shows a survival rate of roughly 99% to age 18 years (Br J Haematol. 2016 Jun;173[6]:927-37).

One of the major success stories in SCD treatment also has been using primary prevention steps to cut the risk of overt stroke at least 10-fold, Dr. Jordan said. Primary prevention includes annual scans with transcranial Doppler ultrasound to identify children with SCD at high risk of stroke.

“What’s not changing is that there is silent injury that accumulates” and can cause lifelong harm, she said. “We want to protect our patients long term so that they can have a successful adult life, not just a successful childhood.”

Research done by one of Dr. Jordan’s colleagues at Vanderbilt, Michael R. DeBaun, MD, showed that regular blood-transfusion therapy significantly reduced the incidence of the recurrence of brain infarct in children with sickle cell anemia. (N Engl J Med. 2014 Aug 21;371[8]:699-710).


But the lessons from the work of Dr. DeBaun and his colleagues with their Silent Cerebral Infarct Multi-Center Clinical (SIT) Trial have not yet been fully adopted, Dr. Jordan said. That’s partly due to the inconvenience and cost of routinely administered blood transfusions to prevent silent cerebral infarcts, which, when used long term, cause side effects, she said.

Dr. Jordan said there’s growing interest in identifying patients at high risk for stroke and moving them toward stem cell transplant, though studies are ongoing. She urged greater attention to the high lifetime costs of strokes and other cerebrovascular complications, particularly in children and young adults.

While some of the brain infarcts are small and don’t result in focal weakness of the body, these “silent infarcts” do produce cognitive effects that reduce function, school performance, employment, and quality of life, she said.

“The injury to the brain is present, whether we can see it or not,” Dr. Jordan said. “In these precious patients, slow cognitive decline isn’t acceptable, frankly.”

Dr. Jordan reported having received funding from the American Heart Association and the National Institutes of Health for stroke prevention studies in SCD.

BETHESDA, MD. – The risk of brain damage from sickle cell disease (SCD) merits more attention, even with progress made in recent decades to prevent strokes, according to Lori Jordan, MD, PhD, of Vanderbilt University, Nashville, Tenn.

“Whether we can see it or not, the same injury we’ve been talking about in the kidney and the liver and other places is occurring in the brain” with sickle cell disease, Dr. Jordan said at Sickle Cell in Focus, a conference held by the National Institutes of Health.

The concern about long-term brain injury reflects major shifts in SCD treatment. Improved medical care has transformed SCD from a disease that often resulted in an early death to more of a chronic condition, Dr. Jordan said, citing research that shows a survival rate of roughly 99% to age 18 years (Br J Haematol. 2016 Jun;173[6]:927-37).

One of the major success stories in SCD treatment also has been using primary prevention steps to cut the risk of overt stroke at least 10-fold, Dr. Jordan said. Primary prevention includes annual scans with transcranial Doppler ultrasound to identify children with SCD at high risk of stroke.

“What’s not changing is that there is silent injury that accumulates” and can cause lifelong harm, she said. “We want to protect our patients long term so that they can have a successful adult life, not just a successful childhood.”

Research done by one of Dr. Jordan’s colleagues at Vanderbilt, Michael R. DeBaun, MD, showed that regular blood-transfusion therapy significantly reduced the incidence of the recurrence of brain infarct in children with sickle cell anemia. (N Engl J Med. 2014 Aug 21;371[8]:699-710).


But the lessons from the work of Dr. DeBaun and his colleagues with their Silent Cerebral Infarct Multi-Center Clinical (SIT) Trial have not yet been fully adopted, Dr. Jordan said. That’s partly due to the inconvenience and cost of routinely administered blood transfusions to prevent silent cerebral infarcts, which, when used long term, cause side effects, she said.

Dr. Jordan said there’s growing interest in identifying patients at high risk for stroke and moving them toward stem cell transplant, though studies are ongoing. She urged greater attention to the high lifetime costs of strokes and other cerebrovascular complications, particularly in children and young adults.

While some of the brain infarcts are small and don’t result in focal weakness of the body, these “silent infarcts” do produce cognitive effects that reduce function, school performance, employment, and quality of life, she said.

“The injury to the brain is present, whether we can see it or not,” Dr. Jordan said. “In these precious patients, slow cognitive decline isn’t acceptable, frankly.”

Dr. Jordan reported having received funding from the American Heart Association and the National Institutes of Health for stroke prevention studies in SCD.

SAN DIEGO – Don’t let all your patients with sickle cell anemia (SCA) and sickle cell trait (SCT) off the hook when it comes to exercise. That was the advice from Robert I. Liem, MD, a pediatric hematologist-oncologist who studies fitness.

While some patients may face risk, these conditions should pose less of a barrier to moderate- and even high-intensity exercise, Dr. Liem, of Ann & Robert H. Lurie Children’s Hospital of Chicago and Northwestern University, Chicago, said at the annual meeting of the American Society of Hematology.

“Instead of just focusing on potential harms, we should consider a paradigm shift, especially in sickle cell anemia,” he said. “There, we can start to consider the benefits of exercise, which may include some disease-modifying effects.”

There have been no formal studies into whether high-intensity exercise poses harm in patients with SCA, Dr. Liem noted. Why? There are several reasons, he said, including concern that exercise could increase sickling of red blood cells and assumptions about “sedentary behavior” in SCA.

However, there are indications that factors other than SCA may be reducing fitness in this population, a fact that could potentially be reversed by exercise.

Dr. Liem led a study that found “children and young adults with SCA have reduced exercise capacity attributable to factors independent of anemia.” The study showed that peak VO₂ was 30% lower in children and young adults with SCA, compared with controls (Physiol Rep. 2015. doi: 10.14814/phy2.12338).

There are many possible explanations for this, he said, including patient-related factors such as pain during exercise and poor access to fitness resources.

Another study found low fitness in 83% of adults with SCA and identified chronic anemia as the most important factor (Am J Hematol. 2014 Aug;89[8]:819-24).

In patients with sickle cell trait, which Dr. Liem said affects an estimated 6%-9% of African-Americans, early reports of sudden death appeared in the 1960s and 1970s, and recent studies have provided more insight into the risk.

In 2012, a study tracked NCAA student athletes and found that Division I football players with SCT faced a 37-fold higher risk of exertion-related death than did athletes without SCT. Five players with SCT, all black and all Division I football players, had died over a 5-year period (Br J Sports Med 2012 Apr;46[5]:325-30).

A 2016 study, meanwhile, tracked more than 47,000 black soldiers in the U.S. Army and found those with SCT didn’t face a higher risk of death although they did have a “significantly higher risk” of exertional rhabdomyolysis (N Engl J Med. 2016 Aug 4; 375[5]:435-42).

While the cause of exercise-related harm in SCT isn’t fully understood, Dr. Liem said, it’s possible that extreme states such as severe dehydration, acidosis, and hypoxemia may trigger sickling. A combination of SCT, extreme exercise, heat, and genetic predisposition could produce harm by creating a “perfect storm,” he added.

Should patients with SCA or SCT exercise? Yes, Dr. Liem said, pointing to the importance of fitness in the general population.

Exercising to volitional exhaustion appears to be safe in children and adults with SCA, he said, and lack of exercise could lead to a variety of negative effects on growth in children and on quality of life.

There are “limited but promising data” linking exercise to benefits in SCA and SCT populations, he said.

Moving forward, Dr. Liem noted that guidelines from the NCAA and National Athletic Trainers’ Association offer insight into exercise best practices in SCT. They’re designed to promote acclimation during training, access to fluids, and prompt recognition of symptoms of heat-related illness and a condition known as “exercise collapse associated with sickle trait.”

However, there are no guidelines for exercise in SCA and it’s not helpful to let patients set limits on themselves based on the symptoms they experience, he said.

Dr. Liem reported having no relevant financial disclosures.

SAN DIEGO – Don’t let all your patients with sickle cell anemia (SCA) and sickle cell trait (SCT) off the hook when it comes to exercise. That was the advice from Robert I. Liem, MD, a pediatric hematologist-oncologist who studies fitness.

While some patients may face risk, these conditions should pose less of a barrier to moderate- and even high-intensity exercise, Dr. Liem, of Ann & Robert H. Lurie Children’s Hospital of Chicago and Northwestern University, Chicago, said at the annual meeting of the American Society of Hematology.

“Instead of just focusing on potential harms, we should consider a paradigm shift, especially in sickle cell anemia,” he said. “There, we can start to consider the benefits of exercise, which may include some disease-modifying effects.”

There have been no formal studies into whether high-intensity exercise poses harm in patients with SCA, Dr. Liem noted. Why? There are several reasons, he said, including concern that exercise could increase sickling of red blood cells and assumptions about “sedentary behavior” in SCA.

However, there are indications that factors other than SCA may be reducing fitness in this population, a fact that could potentially be reversed by exercise.

Dr. Liem led a study that found “children and young adults with SCA have reduced exercise capacity attributable to factors independent of anemia.” The study showed that peak VO₂ was 30% lower in children and young adults with SCA, compared with controls (Physiol Rep. 2015. doi: 10.14814/phy2.12338).

There are many possible explanations for this, he said, including patient-related factors such as pain during exercise and poor access to fitness resources.

Another study found low fitness in 83% of adults with SCA and identified chronic anemia as the most important factor (Am J Hematol. 2014 Aug;89[8]:819-24).

In patients with sickle cell trait, which Dr. Liem said affects an estimated 6%-9% of African-Americans, early reports of sudden death appeared in the 1960s and 1970s, and recent studies have provided more insight into the risk.

In 2012, a study tracked NCAA student athletes and found that Division I football players with SCT faced a 37-fold higher risk of exertion-related death than did athletes without SCT. Five players with SCT, all black and all Division I football players, had died over a 5-year period (Br J Sports Med 2012 Apr;46[5]:325-30).

A 2016 study, meanwhile, tracked more than 47,000 black soldiers in the U.S. Army and found those with SCT didn’t face a higher risk of death although they did have a “significantly higher risk” of exertional rhabdomyolysis (N Engl J Med. 2016 Aug 4; 375[5]:435-42).

While the cause of exercise-related harm in SCT isn’t fully understood, Dr. Liem said, it’s possible that extreme states such as severe dehydration, acidosis, and hypoxemia may trigger sickling. A combination of SCT, extreme exercise, heat, and genetic predisposition could produce harm by creating a “perfect storm,” he added.

Should patients with SCA or SCT exercise? Yes, Dr. Liem said, pointing to the importance of fitness in the general population.

Exercising to volitional exhaustion appears to be safe in children and adults with SCA, he said, and lack of exercise could lead to a variety of negative effects on growth in children and on quality of life.

There are “limited but promising data” linking exercise to benefits in SCA and SCT populations, he said.

Moving forward, Dr. Liem noted that guidelines from the NCAA and National Athletic Trainers’ Association offer insight into exercise best practices in SCT. They’re designed to promote acclimation during training, access to fluids, and prompt recognition of symptoms of heat-related illness and a condition known as “exercise collapse associated with sickle trait.”

However, there are no guidelines for exercise in SCA and it’s not helpful to let patients set limits on themselves based on the symptoms they experience, he said.

Dr. Liem reported having no relevant financial disclosures.

SAN DIEGO – Don’t let all your patients with sickle cell anemia (SCA) and sickle cell trait (SCT) off the hook when it comes to exercise. That was the advice from Robert I. Liem, MD, a pediatric hematologist-oncologist who studies fitness.

While some patients may face risk, these conditions should pose less of a barrier to moderate- and even high-intensity exercise, Dr. Liem, of Ann & Robert H. Lurie Children’s Hospital of Chicago and Northwestern University, Chicago, said at the annual meeting of the American Society of Hematology.

“Instead of just focusing on potential harms, we should consider a paradigm shift, especially in sickle cell anemia,” he said. “There, we can start to consider the benefits of exercise, which may include some disease-modifying effects.”

There have been no formal studies into whether high-intensity exercise poses harm in patients with SCA, Dr. Liem noted. Why? There are several reasons, he said, including concern that exercise could increase sickling of red blood cells and assumptions about “sedentary behavior” in SCA.

However, there are indications that factors other than SCA may be reducing fitness in this population, a fact that could potentially be reversed by exercise.

Dr. Liem led a study that found “children and young adults with SCA have reduced exercise capacity attributable to factors independent of anemia.” The study showed that peak VO₂ was 30% lower in children and young adults with SCA, compared with controls (Physiol Rep. 2015. doi: 10.14814/phy2.12338).

There are many possible explanations for this, he said, including patient-related factors such as pain during exercise and poor access to fitness resources.

Another study found low fitness in 83% of adults with SCA and identified chronic anemia as the most important factor (Am J Hematol. 2014 Aug;89[8]:819-24).

In patients with sickle cell trait, which Dr. Liem said affects an estimated 6%-9% of African-Americans, early reports of sudden death appeared in the 1960s and 1970s, and recent studies have provided more insight into the risk.

In 2012, a study tracked NCAA student athletes and found that Division I football players with SCT faced a 37-fold higher risk of exertion-related death than did athletes without SCT. Five players with SCT, all black and all Division I football players, had died over a 5-year period (Br J Sports Med 2012 Apr;46[5]:325-30).

A 2016 study, meanwhile, tracked more than 47,000 black soldiers in the U.S. Army and found those with SCT didn’t face a higher risk of death although they did have a “significantly higher risk” of exertional rhabdomyolysis (N Engl J Med. 2016 Aug 4; 375[5]:435-42).

While the cause of exercise-related harm in SCT isn’t fully understood, Dr. Liem said, it’s possible that extreme states such as severe dehydration, acidosis, and hypoxemia may trigger sickling. A combination of SCT, extreme exercise, heat, and genetic predisposition could produce harm by creating a “perfect storm,” he added.

Should patients with SCA or SCT exercise? Yes, Dr. Liem said, pointing to the importance of fitness in the general population.

Exercising to volitional exhaustion appears to be safe in children and adults with SCA, he said, and lack of exercise could lead to a variety of negative effects on growth in children and on quality of life.

There are “limited but promising data” linking exercise to benefits in SCA and SCT populations, he said.

Moving forward, Dr. Liem noted that guidelines from the NCAA and National Athletic Trainers’ Association offer insight into exercise best practices in SCT. They’re designed to promote acclimation during training, access to fluids, and prompt recognition of symptoms of heat-related illness and a condition known as “exercise collapse associated with sickle trait.”

However, there are no guidelines for exercise in SCA and it’s not helpful to let patients set limits on themselves based on the symptoms they experience, he said.

Dr. Liem reported having no relevant financial disclosures.

© ASH/Luke Franke 2018

SAN DIEGO—Emapalumab, an interferon gamma-blocking antibody, controls disease activity and has a favorable safety profile in pediatric patients with primary hemophagocytic lymphohistiocytosis (HLH), according to research presented at the 2018 ASH Annual Meeting.

Investigators believe emapalumab, which was recently approved to treat HLH in the United States, should be considered a new therapeutic option for this rare and life-threatening syndrome because of the drug’s targeted mode of action.

Multiple lines of evidence have pointed to interferon gamma as a “rational target” in HLH, and elevated levels of interferon gamma are consistently observed in patients with HLH, said Franco Locatelli, MD, of Ospedale Pediatrico Bambino Gesù in Rome, Italy.

Emapalumab binds to its target with high affinity, recognizing both free and receptor-bound interferon gamma, he added.

Dr. Locatelli described trial results with emapalumab in children with HLH during the late-breaking abstracts session at ASH (abstract LBA-6).

This phase 2/3 study (NCT01818492) included 34 children with primary HLH—7 who were treatment-naïve and 27 who had failed conventional HLH therapy.

The patients received emapalumab intravenously with concomitant dexamethasone for up to 8 weeks or extended to the point of allogeneic hematopoietic stem cell transplant if needed.

The study met its primary endpoint of overall response rate higher than 40%, Dr. Locatelli reported.

The overall response rate was 64.7% for all 34 treated patients (95% confidence interval [CI], 46% to 80%; P=0.0031) and 63% for the 27 patients who had failed prior therapy (95% CI, 42% to 81%; P=0.0134).

Response was rapid, occurring at a median of 8 days after starting emapalumab, and patients were in response for a median of 75% of days during treatment, Dr. Locatelli said.

Ninety-four percent of patients had at least one adverse event (AE), and 63% had serious AEs. Common AEs included infections (56%), hypertension (35%), infusion-related reactions (27%), and pyrexia (24%).

One patient had disseminated histoplasmosis that led to discontinuation of emapalumab but resolved with appropriate treatment.

This study was sponsored by Novimmune. Investigators provided disclosures related to Sobi, Novimmune, Rocket Pharmaceuticals, Inc., AB2Bio, Novartis, Eli Lilly, Sanofi, UCB, Pfizer, and AbbVie. Two investigators reported employment with Novimmune.

© ASH/Luke Franke 2018

SAN DIEGO—Emapalumab, an interferon gamma-blocking antibody, controls disease activity and has a favorable safety profile in pediatric patients with primary hemophagocytic lymphohistiocytosis (HLH), according to research presented at the 2018 ASH Annual Meeting.

Investigators believe emapalumab, which was recently approved to treat HLH in the United States, should be considered a new therapeutic option for this rare and life-threatening syndrome because of the drug’s targeted mode of action.

Multiple lines of evidence have pointed to interferon gamma as a “rational target” in HLH, and elevated levels of interferon gamma are consistently observed in patients with HLH, said Franco Locatelli, MD, of Ospedale Pediatrico Bambino Gesù in Rome, Italy.

Emapalumab binds to its target with high affinity, recognizing both free and receptor-bound interferon gamma, he added.

Dr. Locatelli described trial results with emapalumab in children with HLH during the late-breaking abstracts session at ASH (abstract LBA-6).

This phase 2/3 study (NCT01818492) included 34 children with primary HLH—7 who were treatment-naïve and 27 who had failed conventional HLH therapy.

The patients received emapalumab intravenously with concomitant dexamethasone for up to 8 weeks or extended to the point of allogeneic hematopoietic stem cell transplant if needed.

The study met its primary endpoint of overall response rate higher than 40%, Dr. Locatelli reported.

The overall response rate was 64.7% for all 34 treated patients (95% confidence interval [CI], 46% to 80%; P=0.0031) and 63% for the 27 patients who had failed prior therapy (95% CI, 42% to 81%; P=0.0134).

Response was rapid, occurring at a median of 8 days after starting emapalumab, and patients were in response for a median of 75% of days during treatment, Dr. Locatelli said.

Ninety-four percent of patients had at least one adverse event (AE), and 63% had serious AEs. Common AEs included infections (56%), hypertension (35%), infusion-related reactions (27%), and pyrexia (24%).

One patient had disseminated histoplasmosis that led to discontinuation of emapalumab but resolved with appropriate treatment.

This study was sponsored by Novimmune. Investigators provided disclosures related to Sobi, Novimmune, Rocket Pharmaceuticals, Inc., AB2Bio, Novartis, Eli Lilly, Sanofi, UCB, Pfizer, and AbbVie. Two investigators reported employment with Novimmune.

© ASH/Luke Franke 2018

SAN DIEGO—Emapalumab, an interferon gamma-blocking antibody, controls disease activity and has a favorable safety profile in pediatric patients with primary hemophagocytic lymphohistiocytosis (HLH), according to research presented at the 2018 ASH Annual Meeting.

Investigators believe emapalumab, which was recently approved to treat HLH in the United States, should be considered a new therapeutic option for this rare and life-threatening syndrome because of the drug’s targeted mode of action.

Multiple lines of evidence have pointed to interferon gamma as a “rational target” in HLH, and elevated levels of interferon gamma are consistently observed in patients with HLH, said Franco Locatelli, MD, of Ospedale Pediatrico Bambino Gesù in Rome, Italy.

Emapalumab binds to its target with high affinity, recognizing both free and receptor-bound interferon gamma, he added.

Dr. Locatelli described trial results with emapalumab in children with HLH during the late-breaking abstracts session at ASH (abstract LBA-6).

This phase 2/3 study (NCT01818492) included 34 children with primary HLH—7 who were treatment-naïve and 27 who had failed conventional HLH therapy.

The patients received emapalumab intravenously with concomitant dexamethasone for up to 8 weeks or extended to the point of allogeneic hematopoietic stem cell transplant if needed.

The study met its primary endpoint of overall response rate higher than 40%, Dr. Locatelli reported.

The overall response rate was 64.7% for all 34 treated patients (95% confidence interval [CI], 46% to 80%; P=0.0031) and 63% for the 27 patients who had failed prior therapy (95% CI, 42% to 81%; P=0.0134).

Response was rapid, occurring at a median of 8 days after starting emapalumab, and patients were in response for a median of 75% of days during treatment, Dr. Locatelli said.

Ninety-four percent of patients had at least one adverse event (AE), and 63% had serious AEs. Common AEs included infections (56%), hypertension (35%), infusion-related reactions (27%), and pyrexia (24%).

One patient had disseminated histoplasmosis that led to discontinuation of emapalumab but resolved with appropriate treatment.

This study was sponsored by Novimmune. Investigators provided disclosures related to Sobi, Novimmune, Rocket Pharmaceuticals, Inc., AB2Bio, Novartis, Eli Lilly, Sanofi, UCB, Pfizer, and AbbVie. Two investigators reported employment with Novimmune.

SAN DIEGO – An inexpensive, rapid, and easy-to-use blood test was more than 99% accurate in detecting sickle cell disease in young children in sub-Saharan Africa, according to research reported at the annual meeting of the American Society of Hematology.

Courtesy American Society of Hematology

The test, called HemoTypeSC, uses monoclonal antibodies to detect hemoglobins A, S, and C in a drop of whole blood, said investigator Erik Serrao, PhD, of Silver Lake Research in Azusa, Calif.

Findings from the diagnostic accuracy trial, which included 1,000 children in Uganda, suggest that the immunoassay is a promising tool to enable newborn and general population screening in resource-constrained regions of high prevalence, such as Africa and India.

“Early screening plus treatment plus counseling equals saving millions of lives over the coming decades, and we believe HemoTypeSC can form an integral part of the initial part of this equation,” Dr. Serrao said during a late-breaking abstract session at the meeting.

Each test kit costs less than $2 to the end user; requires no electricity, special equipment, or training; and delivers results in about 10 minutes, he added.


Of all the late-breaking abstracts at ASH this year, the study by Dr. Serrao and his colleagues is the one with the potential to save the most lives, said Mark Crowther, MD, of McMaster University, Hamilton, Ont.

“The ability to diagnose sickle cell disease early and intervene early will result in potentially thousands of infants, who would otherwise die in infancy or early childhood, surviving into adulthood,” Dr. Crowther said during a press briefing.

Using current gold standard methods for diagnosing sickle cell disease is, at minimum, challenging and “frankly impossible” in many low-resource settings, because of the cost and the requirement for sophisticated equipment and reliable electricity, Dr. Crowther added.

In the study, investigators compared results of the HemoTypeSC test with hemoglobin electrophoresis for detection of the phenotypes HbAA (normal), HbAS (sickle cell trait), and HbSS (sickle cell disease). They compared these two testing methods in 1,000 children between the ages of 1 month and 5 years who were prospectively recruited from hospital wards and outpatient clinics in Uganda.

The immunoassay had an overall accuracy of 99.8%, correctly identifying 998 of 1,000 phenotypes as initially determined by electrophoresis. Specifically, the test correctly identified 100% of the 720 HbAA specimens, 100% of 182 HbAS specimens, and 98% of HbSS, or 96 of 98 specimens, leaving just 2 discordant samples, both of which HemoTypeSC identified as HbAS.

Investigators subsequently discovered that both of the individuals with the discordant samples had previously been diagnosed with sickle cell disease and had received recent transfusions. Both cases were subsequently confirmed as HbSS in review of previous diagnostic result reports, bringing the accuracy rate up to 100% in a secondary analysis also reported at the meeting.

Although this particular study excluded newborns, a different study of the immunoassay, recently published in the American Journal of Hematology, demonstrated 100% accuracy across multiple phenotypes in the setting of newborn screening (2018 Oct 5. doi: 10.1002/ajh.25305).

Sickle cell disease screening programs have been projected to be cost effective in Africa, Dr. Serrano said, and could even save money for governments over time as budgets are reallocated toward screening, with less money needed for treatment of patients presenting with severe complications in hospitals.

Dr. Serrao reported that he is an employee of Silver Lake Research, which funded the study, approved the study design, and donated HemoTypeSC tests.

On March 11, 2019, the editors of Blood, an ASH journal, retracted the abstract for this study. The second listed author on the abstract said that it was submitted without his consent or approval. The retraction makes no statement on the underlying science of the study, the editors noted.

This article was updated on 3/14/2019.

SOURCE: Serrao E et al. ASH 2018, Abstract LBA-3.

SAN DIEGO – An inexpensive, rapid, and easy-to-use blood test was more than 99% accurate in detecting sickle cell disease in young children in sub-Saharan Africa, according to research reported at the annual meeting of the American Society of Hematology.

Courtesy American Society of Hematology

The test, called HemoTypeSC, uses monoclonal antibodies to detect hemoglobins A, S, and C in a drop of whole blood, said investigator Erik Serrao, PhD, of Silver Lake Research in Azusa, Calif.

Findings from the diagnostic accuracy trial, which included 1,000 children in Uganda, suggest that the immunoassay is a promising tool to enable newborn and general population screening in resource-constrained regions of high prevalence, such as Africa and India.

“Early screening plus treatment plus counseling equals saving millions of lives over the coming decades, and we believe HemoTypeSC can form an integral part of the initial part of this equation,” Dr. Serrao said during a late-breaking abstract session at the meeting.

Each test kit costs less than $2 to the end user; requires no electricity, special equipment, or training; and delivers results in about 10 minutes, he added.


Of all the late-breaking abstracts at ASH this year, the study by Dr. Serrao and his colleagues is the one with the potential to save the most lives, said Mark Crowther, MD, of McMaster University, Hamilton, Ont.

“The ability to diagnose sickle cell disease early and intervene early will result in potentially thousands of infants, who would otherwise die in infancy or early childhood, surviving into adulthood,” Dr. Crowther said during a press briefing.

Using current gold standard methods for diagnosing sickle cell disease is, at minimum, challenging and “frankly impossible” in many low-resource settings, because of the cost and the requirement for sophisticated equipment and reliable electricity, Dr. Crowther added.

In the study, investigators compared results of the HemoTypeSC test with hemoglobin electrophoresis for detection of the phenotypes HbAA (normal), HbAS (sickle cell trait), and HbSS (sickle cell disease). They compared these two testing methods in 1,000 children between the ages of 1 month and 5 years who were prospectively recruited from hospital wards and outpatient clinics in Uganda.

The immunoassay had an overall accuracy of 99.8%, correctly identifying 998 of 1,000 phenotypes as initially determined by electrophoresis. Specifically, the test correctly identified 100% of the 720 HbAA specimens, 100% of 182 HbAS specimens, and 98% of HbSS, or 96 of 98 specimens, leaving just 2 discordant samples, both of which HemoTypeSC identified as HbAS.

Investigators subsequently discovered that both of the individuals with the discordant samples had previously been diagnosed with sickle cell disease and had received recent transfusions. Both cases were subsequently confirmed as HbSS in review of previous diagnostic result reports, bringing the accuracy rate up to 100% in a secondary analysis also reported at the meeting.

Although this particular study excluded newborns, a different study of the immunoassay, recently published in the American Journal of Hematology, demonstrated 100% accuracy across multiple phenotypes in the setting of newborn screening (2018 Oct 5. doi: 10.1002/ajh.25305).

Sickle cell disease screening programs have been projected to be cost effective in Africa, Dr. Serrano said, and could even save money for governments over time as budgets are reallocated toward screening, with less money needed for treatment of patients presenting with severe complications in hospitals.

Dr. Serrao reported that he is an employee of Silver Lake Research, which funded the study, approved the study design, and donated HemoTypeSC tests.

On March 11, 2019, the editors of Blood, an ASH journal, retracted the abstract for this study. The second listed author on the abstract said that it was submitted without his consent or approval. The retraction makes no statement on the underlying science of the study, the editors noted.

This article was updated on 3/14/2019.

SOURCE: Serrao E et al. ASH 2018, Abstract LBA-3.

SAN DIEGO – An inexpensive, rapid, and easy-to-use blood test was more than 99% accurate in detecting sickle cell disease in young children in sub-Saharan Africa, according to research reported at the annual meeting of the American Society of Hematology.

Courtesy American Society of Hematology

The test, called HemoTypeSC, uses monoclonal antibodies to detect hemoglobins A, S, and C in a drop of whole blood, said investigator Erik Serrao, PhD, of Silver Lake Research in Azusa, Calif.

Findings from the diagnostic accuracy trial, which included 1,000 children in Uganda, suggest that the immunoassay is a promising tool to enable newborn and general population screening in resource-constrained regions of high prevalence, such as Africa and India.

“Early screening plus treatment plus counseling equals saving millions of lives over the coming decades, and we believe HemoTypeSC can form an integral part of the initial part of this equation,” Dr. Serrao said during a late-breaking abstract session at the meeting.

Each test kit costs less than $2 to the end user; requires no electricity, special equipment, or training; and delivers results in about 10 minutes, he added.


Of all the late-breaking abstracts at ASH this year, the study by Dr. Serrao and his colleagues is the one with the potential to save the most lives, said Mark Crowther, MD, of McMaster University, Hamilton, Ont.

“The ability to diagnose sickle cell disease early and intervene early will result in potentially thousands of infants, who would otherwise die in infancy or early childhood, surviving into adulthood,” Dr. Crowther said during a press briefing.

Using current gold standard methods for diagnosing sickle cell disease is, at minimum, challenging and “frankly impossible” in many low-resource settings, because of the cost and the requirement for sophisticated equipment and reliable electricity, Dr. Crowther added.

In the study, investigators compared results of the HemoTypeSC test with hemoglobin electrophoresis for detection of the phenotypes HbAA (normal), HbAS (sickle cell trait), and HbSS (sickle cell disease). They compared these two testing methods in 1,000 children between the ages of 1 month and 5 years who were prospectively recruited from hospital wards and outpatient clinics in Uganda.

The immunoassay had an overall accuracy of 99.8%, correctly identifying 998 of 1,000 phenotypes as initially determined by electrophoresis. Specifically, the test correctly identified 100% of the 720 HbAA specimens, 100% of 182 HbAS specimens, and 98% of HbSS, or 96 of 98 specimens, leaving just 2 discordant samples, both of which HemoTypeSC identified as HbAS.

Investigators subsequently discovered that both of the individuals with the discordant samples had previously been diagnosed with sickle cell disease and had received recent transfusions. Both cases were subsequently confirmed as HbSS in review of previous diagnostic result reports, bringing the accuracy rate up to 100% in a secondary analysis also reported at the meeting.

Although this particular study excluded newborns, a different study of the immunoassay, recently published in the American Journal of Hematology, demonstrated 100% accuracy across multiple phenotypes in the setting of newborn screening (2018 Oct 5. doi: 10.1002/ajh.25305).

Sickle cell disease screening programs have been projected to be cost effective in Africa, Dr. Serrano said, and could even save money for governments over time as budgets are reallocated toward screening, with less money needed for treatment of patients presenting with severe complications in hospitals.

Dr. Serrao reported that he is an employee of Silver Lake Research, which funded the study, approved the study design, and donated HemoTypeSC tests.

On March 11, 2019, the editors of Blood, an ASH journal, retracted the abstract for this study. The second listed author on the abstract said that it was submitted without his consent or approval. The retraction makes no statement on the underlying science of the study, the editors noted.

This article was updated on 3/14/2019.

SOURCE: Serrao E et al. ASH 2018, Abstract LBA-3.

Photo courtesy of ASH

SAN DIEGO—Daily hydroxyurea (HU) treatment is feasible, safe, and effective for children with sickle cell disease (SCD) in sub-Saharan Africa, according to a phase 1/2 trial.

During HU treatment, children experienced less vaso-occlusive pain, fewer cases of malaria and other infections, and lower rates of transfusions and death, compared to rates observed in the pretreatment screening phase of the trial.

“Based on that data, we believe that wider access to hydroxyurea for sickle cell anemia has the potential to save millions of lives in Africa,” said Léon Tshilolo, MD, PhD, of Centre Hospitalier Monkole in Kinshasa, Democratic Republic of the Congo.

Dr. Tshilolo reported the data, from the REACH trial (NCT01966731), during the plenary session at the 2018 ASH Annual Meeting (abstract 3*). Data were simultaneously published in The New England Journal of Medicine.

Use of HU has been limited in Africa because of cost, access issues, and challenges associated with laboratory monitoring, according to researchers.

Moreover, most of the efficacy data on HU come from studies conducted in the United States, Europe, and other high-income settings, said senior study author Russell E. Ware, MD, PhD, of Cincinnati Children’s Hospital Center in Ohio.

“Now that there’s data in an African setting, I think this will go a long way to advancing [HU therapy] and encouraging governments, organizations, and pharmaceutical companies to bring it in,” Dr. Ware said.

To collect the data, Drs. Ware and Tshilolo and their colleagues evaluated SCD patients, ages 1 to 10, living in four sub-Saharan African countries—Angola, Democratic Republic of the Congo, Kenya, and Uganda.

The children completed a 2-month pretreatment screening phase designed to capture baseline clinical and laboratory data.

The children were started at 15 mg/kg to 20 mg/kg of HU for 6 months, followed by escalation to the maximum-tolerated dose.

A total of 606 children were treated, 600 of them for 3 months. Treatment is ongoing, but the mean treatment duration at the time of analysis was 29 months.

Results

The average maximum tolerated dose was 22.5 mg/kg/day. Dose-limiting toxicities occurred in 5.1% of the children, which was below the 20% protocol-specified threshold for safety, Dr. Tshilolo said.

Dose-limiting toxicities included severe anemia, reticulocytopenia, neutropenia, and thrombocytopenia. However, there were similar rates of these events during the screening period and the treatment period.

The rate of vaso-occlusive pain during HU treatment was 44.6 events per 100 patient-years, compared with 98.3 events per 100 patient-years in the pretreatment period (incidence rate ratio [IRR], 0.45; 95% confidence interval [CI], 0.37-0.56).

The rate of malaria infection was 22.9 events per 100 patient-years in the HU treatment period, compared to 46.9 events in the pretreatment period (IRR, 0.49; 95% CI, 0.37-0.66).

The rate of nonmalaria infections was 90.0 events per 100 patient-years in the HU treatment period, compared to 142.5 events per 100 patient-years in the pretreatment period (IRR, 0.62; 95% CI, 0.53-0.72).

Dr. Tshilolo said the researchers were “encouraged” by the reduced infection rates, particularly in light of previous concerns that HU could suppress the immune system and put children at risk for malaria.

The rate of transfusion during HU treatment was 14.2 events per 100 patient-years, compared to 43.3 events per 100 patient-years (IRR, 0.33; 95% CI, 0.23 to 0.47).

Death rates were 1.1 per 100 patient-years in the HU treatment period and 3.6 per 100 patient-years in the pretreatment period (IRR, 0.30; 95% CI, 0.10-0.88).

Dr. Tshilolo reported grants from the National Institutes of Health/National Heart, Lung, and Blood Institute and Cincinnati Children’s Research Foundation, along with nonfinancial support from Bristol-Myers Squibb. Dr. Ware reported grants from the National Institutes of Health/National Heart, Lung, and Blood Institute and Bristol-Myers Squibb.

*Data in the abstract differ from the presentation and the article.

Photo courtesy of ASH

SAN DIEGO—Daily hydroxyurea (HU) treatment is feasible, safe, and effective for children with sickle cell disease (SCD) in sub-Saharan Africa, according to a phase 1/2 trial.

During HU treatment, children experienced less vaso-occlusive pain, fewer cases of malaria and other infections, and lower rates of transfusions and death, compared to rates observed in the pretreatment screening phase of the trial.

“Based on that data, we believe that wider access to hydroxyurea for sickle cell anemia has the potential to save millions of lives in Africa,” said Léon Tshilolo, MD, PhD, of Centre Hospitalier Monkole in Kinshasa, Democratic Republic of the Congo.

Dr. Tshilolo reported the data, from the REACH trial (NCT01966731), during the plenary session at the 2018 ASH Annual Meeting (abstract 3*). Data were simultaneously published in The New England Journal of Medicine.

Use of HU has been limited in Africa because of cost, access issues, and challenges associated with laboratory monitoring, according to researchers.

Moreover, most of the efficacy data on HU come from studies conducted in the United States, Europe, and other high-income settings, said senior study author Russell E. Ware, MD, PhD, of Cincinnati Children’s Hospital Center in Ohio.

“Now that there’s data in an African setting, I think this will go a long way to advancing [HU therapy] and encouraging governments, organizations, and pharmaceutical companies to bring it in,” Dr. Ware said.

To collect the data, Drs. Ware and Tshilolo and their colleagues evaluated SCD patients, ages 1 to 10, living in four sub-Saharan African countries—Angola, Democratic Republic of the Congo, Kenya, and Uganda.

The children completed a 2-month pretreatment screening phase designed to capture baseline clinical and laboratory data.

The children were started at 15 mg/kg to 20 mg/kg of HU for 6 months, followed by escalation to the maximum-tolerated dose.

A total of 606 children were treated, 600 of them for 3 months. Treatment is ongoing, but the mean treatment duration at the time of analysis was 29 months.

Results

The average maximum tolerated dose was 22.5 mg/kg/day. Dose-limiting toxicities occurred in 5.1% of the children, which was below the 20% protocol-specified threshold for safety, Dr. Tshilolo said.

Dose-limiting toxicities included severe anemia, reticulocytopenia, neutropenia, and thrombocytopenia. However, there were similar rates of these events during the screening period and the treatment period.

The rate of vaso-occlusive pain during HU treatment was 44.6 events per 100 patient-years, compared with 98.3 events per 100 patient-years in the pretreatment period (incidence rate ratio [IRR], 0.45; 95% confidence interval [CI], 0.37-0.56).

The rate of malaria infection was 22.9 events per 100 patient-years in the HU treatment period, compared to 46.9 events in the pretreatment period (IRR, 0.49; 95% CI, 0.37-0.66).

The rate of nonmalaria infections was 90.0 events per 100 patient-years in the HU treatment period, compared to 142.5 events per 100 patient-years in the pretreatment period (IRR, 0.62; 95% CI, 0.53-0.72).

Dr. Tshilolo said the researchers were “encouraged” by the reduced infection rates, particularly in light of previous concerns that HU could suppress the immune system and put children at risk for malaria.

The rate of transfusion during HU treatment was 14.2 events per 100 patient-years, compared to 43.3 events per 100 patient-years (IRR, 0.33; 95% CI, 0.23 to 0.47).

Death rates were 1.1 per 100 patient-years in the HU treatment period and 3.6 per 100 patient-years in the pretreatment period (IRR, 0.30; 95% CI, 0.10-0.88).

Dr. Tshilolo reported grants from the National Institutes of Health/National Heart, Lung, and Blood Institute and Cincinnati Children’s Research Foundation, along with nonfinancial support from Bristol-Myers Squibb. Dr. Ware reported grants from the National Institutes of Health/National Heart, Lung, and Blood Institute and Bristol-Myers Squibb.

*Data in the abstract differ from the presentation and the article.

Photo courtesy of ASH

SAN DIEGO—Daily hydroxyurea (HU) treatment is feasible, safe, and effective for children with sickle cell disease (SCD) in sub-Saharan Africa, according to a phase 1/2 trial.

During HU treatment, children experienced less vaso-occlusive pain, fewer cases of malaria and other infections, and lower rates of transfusions and death, compared to rates observed in the pretreatment screening phase of the trial.

“Based on that data, we believe that wider access to hydroxyurea for sickle cell anemia has the potential to save millions of lives in Africa,” said Léon Tshilolo, MD, PhD, of Centre Hospitalier Monkole in Kinshasa, Democratic Republic of the Congo.

Dr. Tshilolo reported the data, from the REACH trial (NCT01966731), during the plenary session at the 2018 ASH Annual Meeting (abstract 3*). Data were simultaneously published in The New England Journal of Medicine.

Use of HU has been limited in Africa because of cost, access issues, and challenges associated with laboratory monitoring, according to researchers.

Moreover, most of the efficacy data on HU come from studies conducted in the United States, Europe, and other high-income settings, said senior study author Russell E. Ware, MD, PhD, of Cincinnati Children’s Hospital Center in Ohio.

“Now that there’s data in an African setting, I think this will go a long way to advancing [HU therapy] and encouraging governments, organizations, and pharmaceutical companies to bring it in,” Dr. Ware said.

To collect the data, Drs. Ware and Tshilolo and their colleagues evaluated SCD patients, ages 1 to 10, living in four sub-Saharan African countries—Angola, Democratic Republic of the Congo, Kenya, and Uganda.

The children completed a 2-month pretreatment screening phase designed to capture baseline clinical and laboratory data.

The children were started at 15 mg/kg to 20 mg/kg of HU for 6 months, followed by escalation to the maximum-tolerated dose.

A total of 606 children were treated, 600 of them for 3 months. Treatment is ongoing, but the mean treatment duration at the time of analysis was 29 months.

Results

The average maximum tolerated dose was 22.5 mg/kg/day. Dose-limiting toxicities occurred in 5.1% of the children, which was below the 20% protocol-specified threshold for safety, Dr. Tshilolo said.

Dose-limiting toxicities included severe anemia, reticulocytopenia, neutropenia, and thrombocytopenia. However, there were similar rates of these events during the screening period and the treatment period.

The rate of vaso-occlusive pain during HU treatment was 44.6 events per 100 patient-years, compared with 98.3 events per 100 patient-years in the pretreatment period (incidence rate ratio [IRR], 0.45; 95% confidence interval [CI], 0.37-0.56).

The rate of malaria infection was 22.9 events per 100 patient-years in the HU treatment period, compared to 46.9 events in the pretreatment period (IRR, 0.49; 95% CI, 0.37-0.66).

The rate of nonmalaria infections was 90.0 events per 100 patient-years in the HU treatment period, compared to 142.5 events per 100 patient-years in the pretreatment period (IRR, 0.62; 95% CI, 0.53-0.72).

Dr. Tshilolo said the researchers were “encouraged” by the reduced infection rates, particularly in light of previous concerns that HU could suppress the immune system and put children at risk for malaria.

The rate of transfusion during HU treatment was 14.2 events per 100 patient-years, compared to 43.3 events per 100 patient-years (IRR, 0.33; 95% CI, 0.23 to 0.47).

Death rates were 1.1 per 100 patient-years in the HU treatment period and 3.6 per 100 patient-years in the pretreatment period (IRR, 0.30; 95% CI, 0.10-0.88).

Dr. Tshilolo reported grants from the National Institutes of Health/National Heart, Lung, and Blood Institute and Cincinnati Children’s Research Foundation, along with nonfinancial support from Bristol-Myers Squibb. Dr. Ware reported grants from the National Institutes of Health/National Heart, Lung, and Blood Institute and Bristol-Myers Squibb.

*Data in the abstract differ from the presentation and the article.

San Diego – State-of-the-art guidelines for treating sickle cell disease are actively being developed and could be released as early as the spring of 2019, according to Robert Liem, MD, chair of the American Society of Hematology coordination panel for the initiative.

The new clinical practice recommendations will expand on 2014 guidelines published by the National Heart, Lung, and Blood Institute in a way that will help both hematologists and nonhematologists who take care of patients with sickle cell disease, Dr. Liem said in a video interview at the annual meeting of the American Society of Hematology.

Five different guidelines are under development to cover different aspects of acute and chronic complications of sickle cell disease, including pain, cardiopulmonary and kidney disease, cerebrovascular disease, transfusion support, and stem cell transplantation.

Watch the video to learn more about the guideline effort from the perspective of Dr. Liem, who is also the director of the Comprehensive Sickle Cell Program at the Ann & Robert H. Lurie Children’s Hospital of Chicago.

San Diego – State-of-the-art guidelines for treating sickle cell disease are actively being developed and could be released as early as the spring of 2019, according to Robert Liem, MD, chair of the American Society of Hematology coordination panel for the initiative.

The new clinical practice recommendations will expand on 2014 guidelines published by the National Heart, Lung, and Blood Institute in a way that will help both hematologists and nonhematologists who take care of patients with sickle cell disease, Dr. Liem said in a video interview at the annual meeting of the American Society of Hematology.

Five different guidelines are under development to cover different aspects of acute and chronic complications of sickle cell disease, including pain, cardiopulmonary and kidney disease, cerebrovascular disease, transfusion support, and stem cell transplantation.

Watch the video to learn more about the guideline effort from the perspective of Dr. Liem, who is also the director of the Comprehensive Sickle Cell Program at the Ann & Robert H. Lurie Children’s Hospital of Chicago.

San Diego – State-of-the-art guidelines for treating sickle cell disease are actively being developed and could be released as early as the spring of 2019, according to Robert Liem, MD, chair of the American Society of Hematology coordination panel for the initiative.

The new clinical practice recommendations will expand on 2014 guidelines published by the National Heart, Lung, and Blood Institute in a way that will help both hematologists and nonhematologists who take care of patients with sickle cell disease, Dr. Liem said in a video interview at the annual meeting of the American Society of Hematology.

Five different guidelines are under development to cover different aspects of acute and chronic complications of sickle cell disease, including pain, cardiopulmonary and kidney disease, cerebrovascular disease, transfusion support, and stem cell transplantation.

Watch the video to learn more about the guideline effort from the perspective of Dr. Liem, who is also the director of the Comprehensive Sickle Cell Program at the Ann & Robert H. Lurie Children’s Hospital of Chicago.

© ASH/Scott Morgan 2018

SAN DIEGO—Results of the randomized, phase 3 Medalist trial show that the erythroid maturation agent luspatercept can reduce transfusion burden in patients with anemia due to myelodysplastic syndromes (MDS) and ring sideroblasts.

Almost 38% of luspatercept-treated patients achieved red blood cell (RBC) transfusion independence for 8 weeks or more, compared with 13% of patients receiving placebo.

And 28% of luspatercept-treated patients achieved transfusion independence for 12 weeks or more, compared to 8% in the placebo group.

Investigators reported these results as abstract 1 at the 2018 ASH Annual Meeting.

Treatment with luspatercept was “very well tolerated,” and responses were durable, with approximately 40% of patients remaining transfusion-free after 1 year of therapy, said senior investigator Alan F. List, MD, of Moffitt Cancer Center in Tampa, Florida, during a press conference at the meeting.

The first-in-class erythroid maturation agent is being developed as a treatment for anemia related to MDS and beta-thalassemia, Dr. List said.

“Luspatercept is a potential new therapy that we think could be very effective in patients with lower-risk MDS with ring sideroblasts who are red blood cell transfusion-dependent,” Dr. List affirmed.

Luspatercept is a soluble receptor chimera that binds to an array of ligands in the TGF-β superfamily, which is known to be very important in suppressing erythropoiesis in patients with MDS, Dr. List noted.

The Medalist study (NCT02631070) included patients with very low-, low-, or intermediate-risk disease and ring sideroblasts who were RBC transfusion-dependent and were refractory to, unresponsive to, or ineligible for first-line treatment with an erythropoiesis-stimulating agent (ESA).

A total of 153 patients were randomized to receive luspatercept at 1.0 mg/kg, administered subcutaneously every 21 days for at least 24 weeks, while 76 were randomized to placebo every 21 days.

The primary endpoint was the proportion of patients achieving RBC transfusion independence for at least 8 weeks during the first 24 weeks of treatment.

The primary endpoint was achieved by 37.9% of luspatercept-treated patients and 13.2% of placebo-treated patients (P<0.0001).

The luspatercept-treated patients also had a higher rate of erythroid response compared with the placebo group, at 52.9% and 11.8%, respectively (P<0.0001).

The investigators reported no differences in treatment-emergent adverse events, severe adverse events, or frequency of progression of acute myeloid leukemia (AML).

The safety profile was consistent with that of the phase 2 PACE-MDS study, which included treatment-related grade 3 myalgia (2%), increased blast cell count (2%), and general physical health deterioration (2%).

“This was a very clean drug and a very safe drug,” Dr. List said.

The decision to study luspatercept in patients with ring sideroblasts was based on results of the phase 2 PACE study showing a higher response rate in that subset of MDS patients, according to Dr. List.

The PACE study also included a small number of patients who had not previously received an ESA.

Currently underway is a phase 3 trial (NCT03682536) investigating luspatercept in ESA-naïve lower-risk MDS patients with anemia who require RBC transfusions.

Luspatercept would be a useful therapy to have in clinic for patients with ring sideroblasts, which represent about 25% of patients overall, according to MDS expert David Steensma, MD, of Dana-Farber Cancer Institute and Harvard Medical School in Boston, Massachusetts.

“It’s been 12 years since we had an FDA-approved drug in MDS, and there have been 7 in acute myeloid leukemia in the last year and a half, so it’s our turn, I think,” said Dr. Steensma, who moderated the press conference.

The Medalist study was sponsored by Celgene in collaboration with Acceleron Pharma, Inc.

Dr. List reported research funding from Celgene. 

© ASH/Scott Morgan 2018

SAN DIEGO—Results of the randomized, phase 3 Medalist trial show that the erythroid maturation agent luspatercept can reduce transfusion burden in patients with anemia due to myelodysplastic syndromes (MDS) and ring sideroblasts.

Almost 38% of luspatercept-treated patients achieved red blood cell (RBC) transfusion independence for 8 weeks or more, compared with 13% of patients receiving placebo.

And 28% of luspatercept-treated patients achieved transfusion independence for 12 weeks or more, compared to 8% in the placebo group.

Investigators reported these results as abstract 1 at the 2018 ASH Annual Meeting.

Treatment with luspatercept was “very well tolerated,” and responses were durable, with approximately 40% of patients remaining transfusion-free after 1 year of therapy, said senior investigator Alan F. List, MD, of Moffitt Cancer Center in Tampa, Florida, during a press conference at the meeting.

The first-in-class erythroid maturation agent is being developed as a treatment for anemia related to MDS and beta-thalassemia, Dr. List said.

“Luspatercept is a potential new therapy that we think could be very effective in patients with lower-risk MDS with ring sideroblasts who are red blood cell transfusion-dependent,” Dr. List affirmed.

Luspatercept is a soluble receptor chimera that binds to an array of ligands in the TGF-β superfamily, which is known to be very important in suppressing erythropoiesis in patients with MDS, Dr. List noted.

The Medalist study (NCT02631070) included patients with very low-, low-, or intermediate-risk disease and ring sideroblasts who were RBC transfusion-dependent and were refractory to, unresponsive to, or ineligible for first-line treatment with an erythropoiesis-stimulating agent (ESA).

A total of 153 patients were randomized to receive luspatercept at 1.0 mg/kg, administered subcutaneously every 21 days for at least 24 weeks, while 76 were randomized to placebo every 21 days.

The primary endpoint was the proportion of patients achieving RBC transfusion independence for at least 8 weeks during the first 24 weeks of treatment.

The primary endpoint was achieved by 37.9% of luspatercept-treated patients and 13.2% of placebo-treated patients (P<0.0001).

The luspatercept-treated patients also had a higher rate of erythroid response compared with the placebo group, at 52.9% and 11.8%, respectively (P<0.0001).

The investigators reported no differences in treatment-emergent adverse events, severe adverse events, or frequency of progression of acute myeloid leukemia (AML).

The safety profile was consistent with that of the phase 2 PACE-MDS study, which included treatment-related grade 3 myalgia (2%), increased blast cell count (2%), and general physical health deterioration (2%).

“This was a very clean drug and a very safe drug,” Dr. List said.

The decision to study luspatercept in patients with ring sideroblasts was based on results of the phase 2 PACE study showing a higher response rate in that subset of MDS patients, according to Dr. List.

The PACE study also included a small number of patients who had not previously received an ESA.

Currently underway is a phase 3 trial (NCT03682536) investigating luspatercept in ESA-naïve lower-risk MDS patients with anemia who require RBC transfusions.

Luspatercept would be a useful therapy to have in clinic for patients with ring sideroblasts, which represent about 25% of patients overall, according to MDS expert David Steensma, MD, of Dana-Farber Cancer Institute and Harvard Medical School in Boston, Massachusetts.

“It’s been 12 years since we had an FDA-approved drug in MDS, and there have been 7 in acute myeloid leukemia in the last year and a half, so it’s our turn, I think,” said Dr. Steensma, who moderated the press conference.

The Medalist study was sponsored by Celgene in collaboration with Acceleron Pharma, Inc.

Dr. List reported research funding from Celgene. 

© ASH/Scott Morgan 2018

SAN DIEGO—Results of the randomized, phase 3 Medalist trial show that the erythroid maturation agent luspatercept can reduce transfusion burden in patients with anemia due to myelodysplastic syndromes (MDS) and ring sideroblasts.

Almost 38% of luspatercept-treated patients achieved red blood cell (RBC) transfusion independence for 8 weeks or more, compared with 13% of patients receiving placebo.

And 28% of luspatercept-treated patients achieved transfusion independence for 12 weeks or more, compared to 8% in the placebo group.

Investigators reported these results as abstract 1 at the 2018 ASH Annual Meeting.

Treatment with luspatercept was “very well tolerated,” and responses were durable, with approximately 40% of patients remaining transfusion-free after 1 year of therapy, said senior investigator Alan F. List, MD, of Moffitt Cancer Center in Tampa, Florida, during a press conference at the meeting.

The first-in-class erythroid maturation agent is being developed as a treatment for anemia related to MDS and beta-thalassemia, Dr. List said.

“Luspatercept is a potential new therapy that we think could be very effective in patients with lower-risk MDS with ring sideroblasts who are red blood cell transfusion-dependent,” Dr. List affirmed.

Luspatercept is a soluble receptor chimera that binds to an array of ligands in the TGF-β superfamily, which is known to be very important in suppressing erythropoiesis in patients with MDS, Dr. List noted.

The Medalist study (NCT02631070) included patients with very low-, low-, or intermediate-risk disease and ring sideroblasts who were RBC transfusion-dependent and were refractory to, unresponsive to, or ineligible for first-line treatment with an erythropoiesis-stimulating agent (ESA).

A total of 153 patients were randomized to receive luspatercept at 1.0 mg/kg, administered subcutaneously every 21 days for at least 24 weeks, while 76 were randomized to placebo every 21 days.

The primary endpoint was the proportion of patients achieving RBC transfusion independence for at least 8 weeks during the first 24 weeks of treatment.

The primary endpoint was achieved by 37.9% of luspatercept-treated patients and 13.2% of placebo-treated patients (P<0.0001).

The luspatercept-treated patients also had a higher rate of erythroid response compared with the placebo group, at 52.9% and 11.8%, respectively (P<0.0001).

The investigators reported no differences in treatment-emergent adverse events, severe adverse events, or frequency of progression of acute myeloid leukemia (AML).

The safety profile was consistent with that of the phase 2 PACE-MDS study, which included treatment-related grade 3 myalgia (2%), increased blast cell count (2%), and general physical health deterioration (2%).

“This was a very clean drug and a very safe drug,” Dr. List said.

The decision to study luspatercept in patients with ring sideroblasts was based on results of the phase 2 PACE study showing a higher response rate in that subset of MDS patients, according to Dr. List.

The PACE study also included a small number of patients who had not previously received an ESA.

Currently underway is a phase 3 trial (NCT03682536) investigating luspatercept in ESA-naïve lower-risk MDS patients with anemia who require RBC transfusions.

Luspatercept would be a useful therapy to have in clinic for patients with ring sideroblasts, which represent about 25% of patients overall, according to MDS expert David Steensma, MD, of Dana-Farber Cancer Institute and Harvard Medical School in Boston, Massachusetts.

“It’s been 12 years since we had an FDA-approved drug in MDS, and there have been 7 in acute myeloid leukemia in the last year and a half, so it’s our turn, I think,” said Dr. Steensma, who moderated the press conference.

The Medalist study was sponsored by Celgene in collaboration with Acceleron Pharma, Inc.

Dr. List reported research funding from Celgene. 

SAN DIEGO – Inpatient deaths from opioid overdose in the U.S. population has risen dramatically in recent years, but this is essentially a “never event” among patients with sickle cell disease (SCD).

These findings come from an analysis of hospital discharge data in the National Inpatient Sample from 1998 to 2013. Oladimeji Akinola Akinboro, MBBS, who led the study, said the findings suggest that the current patterns of opioid use in SCD patients are safe and that opioids should not be withheld when they are appropriate.

From 1998 to 2013, the rate of inpatient deaths from opioid overdose in the United States rose 350% overall and approximately 8% annually. In contrast, deaths among SCD patients were flat, with a rate at or near zero throughout the same time period.

Over the 16-year period, there were just nine deaths reported among SCD patients because of opioids in the inpatient setting, Dr. Akinboro of Boston University Medical Center reported at the annual meeting of the American Society of Hematology.

While the reasons behind the difference were not explored in the study, Dr. Akinboro suggested that the sickle cell community has greater experience with opioids and that patients and physicians typically have long-standing clinical relationships that make mitigation of opioid misuse easier to manage.

Opioid-related hospitalizations, however, were comparable among the general U.S. population and SCD patients. And for both groups the rates remained relatively steady throughout the study period, with the exception of a drop among SCD patients in 2002, he noted.

The study also revealed age-related trends in hospitalizations overall. Hospitalizations among sickle cell patients were stable from 1998 to 2013. However, when the researchers broke the data down by age they found that adults aged 18-44 years had an increase in hospitalizations, with the steepest rise in patients aged 65 years and older.

In total, there were more than 1.7 million hospitalizations among SCD patients in the United States from 1998 to 2013. The rate declined by 9.9% each year from 1998 to 2002, then remained flat at around 27 per 100,000 persons from 2002 to 2013.

However, for adults aged 18-44 years, hospitalizations increased from 43 per 100,000 persons in 2002 to 71 per 100,000 persons in 2013 – an annual increase of 3.8%. Patients aged 65 years and older saw their rate of hospitalization increase from 2.7 to 5.4 per 100,000 persons from 1998 to 2013 – a 6.5% increase for each year.

The study did not explore the causes behind the age-related trends but Dr. Akinboro suggested it may be because of fragmentation of adult SCD care and age- and pain-related medical comorbidities.

The researchers reported having no relevant financial disclosures.

[email protected]

SOURCE: Akinboro OA et al. ASH 2018, Abstract 315.

SAN DIEGO – Inpatient deaths from opioid overdose in the U.S. population has risen dramatically in recent years, but this is essentially a “never event” among patients with sickle cell disease (SCD).

These findings come from an analysis of hospital discharge data in the National Inpatient Sample from 1998 to 2013. Oladimeji Akinola Akinboro, MBBS, who led the study, said the findings suggest that the current patterns of opioid use in SCD patients are safe and that opioids should not be withheld when they are appropriate.

From 1998 to 2013, the rate of inpatient deaths from opioid overdose in the United States rose 350% overall and approximately 8% annually. In contrast, deaths among SCD patients were flat, with a rate at or near zero throughout the same time period.

Over the 16-year period, there were just nine deaths reported among SCD patients because of opioids in the inpatient setting, Dr. Akinboro of Boston University Medical Center reported at the annual meeting of the American Society of Hematology.

While the reasons behind the difference were not explored in the study, Dr. Akinboro suggested that the sickle cell community has greater experience with opioids and that patients and physicians typically have long-standing clinical relationships that make mitigation of opioid misuse easier to manage.

Opioid-related hospitalizations, however, were comparable among the general U.S. population and SCD patients. And for both groups the rates remained relatively steady throughout the study period, with the exception of a drop among SCD patients in 2002, he noted.

The study also revealed age-related trends in hospitalizations overall. Hospitalizations among sickle cell patients were stable from 1998 to 2013. However, when the researchers broke the data down by age they found that adults aged 18-44 years had an increase in hospitalizations, with the steepest rise in patients aged 65 years and older.

In total, there were more than 1.7 million hospitalizations among SCD patients in the United States from 1998 to 2013. The rate declined by 9.9% each year from 1998 to 2002, then remained flat at around 27 per 100,000 persons from 2002 to 2013.

However, for adults aged 18-44 years, hospitalizations increased from 43 per 100,000 persons in 2002 to 71 per 100,000 persons in 2013 – an annual increase of 3.8%. Patients aged 65 years and older saw their rate of hospitalization increase from 2.7 to 5.4 per 100,000 persons from 1998 to 2013 – a 6.5% increase for each year.

The study did not explore the causes behind the age-related trends but Dr. Akinboro suggested it may be because of fragmentation of adult SCD care and age- and pain-related medical comorbidities.

The researchers reported having no relevant financial disclosures.

[email protected]

SOURCE: Akinboro OA et al. ASH 2018, Abstract 315.

SAN DIEGO – Inpatient deaths from opioid overdose in the U.S. population has risen dramatically in recent years, but this is essentially a “never event” among patients with sickle cell disease (SCD).

These findings come from an analysis of hospital discharge data in the National Inpatient Sample from 1998 to 2013. Oladimeji Akinola Akinboro, MBBS, who led the study, said the findings suggest that the current patterns of opioid use in SCD patients are safe and that opioids should not be withheld when they are appropriate.

From 1998 to 2013, the rate of inpatient deaths from opioid overdose in the United States rose 350% overall and approximately 8% annually. In contrast, deaths among SCD patients were flat, with a rate at or near zero throughout the same time period.

Over the 16-year period, there were just nine deaths reported among SCD patients because of opioids in the inpatient setting, Dr. Akinboro of Boston University Medical Center reported at the annual meeting of the American Society of Hematology.

While the reasons behind the difference were not explored in the study, Dr. Akinboro suggested that the sickle cell community has greater experience with opioids and that patients and physicians typically have long-standing clinical relationships that make mitigation of opioid misuse easier to manage.

Opioid-related hospitalizations, however, were comparable among the general U.S. population and SCD patients. And for both groups the rates remained relatively steady throughout the study period, with the exception of a drop among SCD patients in 2002, he noted.

The study also revealed age-related trends in hospitalizations overall. Hospitalizations among sickle cell patients were stable from 1998 to 2013. However, when the researchers broke the data down by age they found that adults aged 18-44 years had an increase in hospitalizations, with the steepest rise in patients aged 65 years and older.

In total, there were more than 1.7 million hospitalizations among SCD patients in the United States from 1998 to 2013. The rate declined by 9.9% each year from 1998 to 2002, then remained flat at around 27 per 100,000 persons from 2002 to 2013.

However, for adults aged 18-44 years, hospitalizations increased from 43 per 100,000 persons in 2002 to 71 per 100,000 persons in 2013 – an annual increase of 3.8%. Patients aged 65 years and older saw their rate of hospitalization increase from 2.7 to 5.4 per 100,000 persons from 1998 to 2013 – a 6.5% increase for each year.

The study did not explore the causes behind the age-related trends but Dr. Akinboro suggested it may be because of fragmentation of adult SCD care and age- and pain-related medical comorbidities.

The researchers reported having no relevant financial disclosures.

[email protected]

SOURCE: Akinboro OA et al. ASH 2018, Abstract 315.

SAN DIEGO – A novel myeloablative regimen along with familial haploidentical stem cell transplantation was well tolerated and cured 90% of 19 young patients with high-risk sickle cell disease who underwent the procedure, according to Mitchell S. Cairo, MD.

The approach involved parental donors who were partial matches (as opposed to human leukocyte antigen [HLA]–matched sibling donors), CD34 enrichment, and mononuclear cell add-back (2 x 10⁵ CD3/kg). The treatment resulted in a low cumulative incidence of acute and chronic graft-versus-host disease (6.2% and 6.7%, respectively) and stable to improved pulmonary and cardiac function. Patients also experienced significantly improved neurocognition and health-related quality of life at 2-year follow-up, Dr. Cairo of New York Medical College, Valhalla, reported at the annual meeting of the American Society of Hematology.

In a video interview, Dr. Cairo described the study, the potential benefits of familial haploidentical transplantation, and future directions.

“We have a 1-year 90% survival rate, and ... with a median follow-up now of 3 years with this approach, no patient has signs or symptoms of sickle cell disease,” he said. While the standard of care is “still to use an HLA-matched sibling donor that doesn’t have sickle cell disease,” this novel approach could benefit the five of six patients who don’t have such a donor.

The risks appear similar with the two approaches, but “more numbers will be needed to confirm this preliminary finding,” he said.

A second Food and Drug Administration–supported study with patients aged up to age 35 years (vs. 21 years in the current study) and with lower doses of the conditioning regimen to potentially reduce the risk of late adverse effects is underway, he said.

This study was supported by an FDA grant. Dr. Cairo reported receiving research funding from Janssen.

[email protected]

SAN DIEGO – A novel myeloablative regimen along with familial haploidentical stem cell transplantation was well tolerated and cured 90% of 19 young patients with high-risk sickle cell disease who underwent the procedure, according to Mitchell S. Cairo, MD.

The approach involved parental donors who were partial matches (as opposed to human leukocyte antigen [HLA]–matched sibling donors), CD34 enrichment, and mononuclear cell add-back (2 x 10⁵ CD3/kg). The treatment resulted in a low cumulative incidence of acute and chronic graft-versus-host disease (6.2% and 6.7%, respectively) and stable to improved pulmonary and cardiac function. Patients also experienced significantly improved neurocognition and health-related quality of life at 2-year follow-up, Dr. Cairo of New York Medical College, Valhalla, reported at the annual meeting of the American Society of Hematology.

In a video interview, Dr. Cairo described the study, the potential benefits of familial haploidentical transplantation, and future directions.

“We have a 1-year 90% survival rate, and ... with a median follow-up now of 3 years with this approach, no patient has signs or symptoms of sickle cell disease,” he said. While the standard of care is “still to use an HLA-matched sibling donor that doesn’t have sickle cell disease,” this novel approach could benefit the five of six patients who don’t have such a donor.

The risks appear similar with the two approaches, but “more numbers will be needed to confirm this preliminary finding,” he said.

A second Food and Drug Administration–supported study with patients aged up to age 35 years (vs. 21 years in the current study) and with lower doses of the conditioning regimen to potentially reduce the risk of late adverse effects is underway, he said.

This study was supported by an FDA grant. Dr. Cairo reported receiving research funding from Janssen.

[email protected]

SAN DIEGO – A novel myeloablative regimen along with familial haploidentical stem cell transplantation was well tolerated and cured 90% of 19 young patients with high-risk sickle cell disease who underwent the procedure, according to Mitchell S. Cairo, MD.

The approach involved parental donors who were partial matches (as opposed to human leukocyte antigen [HLA]–matched sibling donors), CD34 enrichment, and mononuclear cell add-back (2 x 10⁵ CD3/kg). The treatment resulted in a low cumulative incidence of acute and chronic graft-versus-host disease (6.2% and 6.7%, respectively) and stable to improved pulmonary and cardiac function. Patients also experienced significantly improved neurocognition and health-related quality of life at 2-year follow-up, Dr. Cairo of New York Medical College, Valhalla, reported at the annual meeting of the American Society of Hematology.

In a video interview, Dr. Cairo described the study, the potential benefits of familial haploidentical transplantation, and future directions.

“We have a 1-year 90% survival rate, and ... with a median follow-up now of 3 years with this approach, no patient has signs or symptoms of sickle cell disease,” he said. While the standard of care is “still to use an HLA-matched sibling donor that doesn’t have sickle cell disease,” this novel approach could benefit the five of six patients who don’t have such a donor.

The risks appear similar with the two approaches, but “more numbers will be needed to confirm this preliminary finding,” he said.

A second Food and Drug Administration–supported study with patients aged up to age 35 years (vs. 21 years in the current study) and with lower doses of the conditioning regimen to potentially reduce the risk of late adverse effects is underway, he said.

This study was supported by an FDA grant. Dr. Cairo reported receiving research funding from Janssen.

[email protected]

SAN DIEGO – Sickle cell research is booming after decades of stagnation, and talk of a cure is real, according to sickle cell disease expert Ifeyinwa (Ify) Osunkwo, MD.

“There is an opportunity to cure your disease no matter what age you are,” Dr. Osunkwo, medical director of the sickle cell program at Levine Cancer Institute at Atrium Health in Charlotte, N.C., said in a video interview at the annual meeting of the American Society of Hematology. “Sickle cell disease is now a disease of all ages and the treatments have to be treatments for everybody of all ages, not just for children.”

Dr. Osunkwo was the moderator of a press conference highlighting top research in sickle cell disease at ASH 2018. She pointed to findings from first-in-human trials of gene therapy using a lentiviral vector targeting BCL11A to reverse the sickle cell phenotype, as well as a study examining familial haploidentical stem cell transplantation with CD34 enrichment and mononuclear add-back in high-risk patients.

These two studies show parallel progress in curative therapies and are complementary, Dr. Osunkwo said. Improvements in transplants, and specifically in how patients are prepared and managed for them, will have a benefit in gene therapy.

But there are many other sickle cell disease studies being presented at ASH this year, she noted.

“There’s a recognition that sickle cell has been an understudied, underresourced, underexposed population,” she said. “And the suffering and the magnitude of medical problems is huge and it finally has bubbled up to the surface.”

Dr. Osunkwo reported being on advisory committees for Novartis and Pfizer and on the speaker’s bureau for Novartis. She has received honoraria from Terumo BCT and funding from the Health Resources and Services Administration and the Patient-Centered Outcomes Research Institute.

[email protected]

SAN DIEGO – Sickle cell research is booming after decades of stagnation, and talk of a cure is real, according to sickle cell disease expert Ifeyinwa (Ify) Osunkwo, MD.

“There is an opportunity to cure your disease no matter what age you are,” Dr. Osunkwo, medical director of the sickle cell program at Levine Cancer Institute at Atrium Health in Charlotte, N.C., said in a video interview at the annual meeting of the American Society of Hematology. “Sickle cell disease is now a disease of all ages and the treatments have to be treatments for everybody of all ages, not just for children.”

Dr. Osunkwo was the moderator of a press conference highlighting top research in sickle cell disease at ASH 2018. She pointed to findings from first-in-human trials of gene therapy using a lentiviral vector targeting BCL11A to reverse the sickle cell phenotype, as well as a study examining familial haploidentical stem cell transplantation with CD34 enrichment and mononuclear add-back in high-risk patients.

These two studies show parallel progress in curative therapies and are complementary, Dr. Osunkwo said. Improvements in transplants, and specifically in how patients are prepared and managed for them, will have a benefit in gene therapy.

But there are many other sickle cell disease studies being presented at ASH this year, she noted.

“There’s a recognition that sickle cell has been an understudied, underresourced, underexposed population,” she said. “And the suffering and the magnitude of medical problems is huge and it finally has bubbled up to the surface.”

Dr. Osunkwo reported being on advisory committees for Novartis and Pfizer and on the speaker’s bureau for Novartis. She has received honoraria from Terumo BCT and funding from the Health Resources and Services Administration and the Patient-Centered Outcomes Research Institute.

[email protected]

SAN DIEGO – Sickle cell research is booming after decades of stagnation, and talk of a cure is real, according to sickle cell disease expert Ifeyinwa (Ify) Osunkwo, MD.

“There is an opportunity to cure your disease no matter what age you are,” Dr. Osunkwo, medical director of the sickle cell program at Levine Cancer Institute at Atrium Health in Charlotte, N.C., said in a video interview at the annual meeting of the American Society of Hematology. “Sickle cell disease is now a disease of all ages and the treatments have to be treatments for everybody of all ages, not just for children.”

Dr. Osunkwo was the moderator of a press conference highlighting top research in sickle cell disease at ASH 2018. She pointed to findings from first-in-human trials of gene therapy using a lentiviral vector targeting BCL11A to reverse the sickle cell phenotype, as well as a study examining familial haploidentical stem cell transplantation with CD34 enrichment and mononuclear add-back in high-risk patients.

These two studies show parallel progress in curative therapies and are complementary, Dr. Osunkwo said. Improvements in transplants, and specifically in how patients are prepared and managed for them, will have a benefit in gene therapy.

But there are many other sickle cell disease studies being presented at ASH this year, she noted.

“There’s a recognition that sickle cell has been an understudied, underresourced, underexposed population,” she said. “And the suffering and the magnitude of medical problems is huge and it finally has bubbled up to the surface.”

Dr. Osunkwo reported being on advisory committees for Novartis and Pfizer and on the speaker’s bureau for Novartis. She has received honoraria from Terumo BCT and funding from the Health Resources and Services Administration and the Patient-Centered Outcomes Research Institute.

[email protected]