FDA approves antiplatelet drug for PCI patients

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Vial of cangrelor

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The US Food and Drug Administration (FDA) has approved the intravenous antiplatelet agent cangrelor (Kengreal) for use in adults undergoing percutaneous coronary intervention (PCI).

The drug can now be used to reduce periprocedural thrombotic events in patients who have not been treated with a P2Y12 inhibitor and are not receiving a glycoprotein IIb/IIIa inhibitor.

The FDA’s approval of cangrelor was based on results of the CHAMPION PHOENIX trial.

In this phase 3 trial, researchers compared cangrelor to clopidogrel in 11,145 patients undergoing PCI.

The study’s primary efficacy endpoint was the incidence of death, myocardial infarction, ischemia-driven revascularization, or stent thrombosis.

At 48 hours, 4.7% of patients in the cangrelor arm had met this endpoint, compared to 5.9% of patients in the clopidogrel arm (P=0.005). At 30 days, the incidence was 6.0% in the cangrelor arm and 7.0% in the clopidogrel arm (P=0.03).

The study’s primary safety endpoint was severe bleeding according to GUSTO criteria. At 48 hours, major bleeding had occurred in 0.16% of patients in the cangrelor arm and 0.11% of patients in the clopidogrel arm (P=0.44).

Major bleeding occurred in 4.3% of patients on cangrelor and 2.5% of patients on clopidogrel (P<0.001). And minor bleeding occurred in 11.8% of patients on cangrelor and 8.6% of patients on clopidogrel (P<0.001).

Cangrelor is manufactured by The Medicines Company, which is based in Parsippany, New Jersey.

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Vial of cangrelor

Photo courtesy of

The Medicines Company

The US Food and Drug Administration (FDA) has approved the intravenous antiplatelet agent cangrelor (Kengreal) for use in adults undergoing percutaneous coronary intervention (PCI).

The drug can now be used to reduce periprocedural thrombotic events in patients who have not been treated with a P2Y12 inhibitor and are not receiving a glycoprotein IIb/IIIa inhibitor.

The FDA’s approval of cangrelor was based on results of the CHAMPION PHOENIX trial.

In this phase 3 trial, researchers compared cangrelor to clopidogrel in 11,145 patients undergoing PCI.

The study’s primary efficacy endpoint was the incidence of death, myocardial infarction, ischemia-driven revascularization, or stent thrombosis.

At 48 hours, 4.7% of patients in the cangrelor arm had met this endpoint, compared to 5.9% of patients in the clopidogrel arm (P=0.005). At 30 days, the incidence was 6.0% in the cangrelor arm and 7.0% in the clopidogrel arm (P=0.03).

The study’s primary safety endpoint was severe bleeding according to GUSTO criteria. At 48 hours, major bleeding had occurred in 0.16% of patients in the cangrelor arm and 0.11% of patients in the clopidogrel arm (P=0.44).

Major bleeding occurred in 4.3% of patients on cangrelor and 2.5% of patients on clopidogrel (P<0.001). And minor bleeding occurred in 11.8% of patients on cangrelor and 8.6% of patients on clopidogrel (P<0.001).

Cangrelor is manufactured by The Medicines Company, which is based in Parsippany, New Jersey.

Vial of cangrelor

Photo courtesy of

The Medicines Company

The US Food and Drug Administration (FDA) has approved the intravenous antiplatelet agent cangrelor (Kengreal) for use in adults undergoing percutaneous coronary intervention (PCI).

The drug can now be used to reduce periprocedural thrombotic events in patients who have not been treated with a P2Y12 inhibitor and are not receiving a glycoprotein IIb/IIIa inhibitor.

The FDA’s approval of cangrelor was based on results of the CHAMPION PHOENIX trial.

In this phase 3 trial, researchers compared cangrelor to clopidogrel in 11,145 patients undergoing PCI.

The study’s primary efficacy endpoint was the incidence of death, myocardial infarction, ischemia-driven revascularization, or stent thrombosis.

At 48 hours, 4.7% of patients in the cangrelor arm had met this endpoint, compared to 5.9% of patients in the clopidogrel arm (P=0.005). At 30 days, the incidence was 6.0% in the cangrelor arm and 7.0% in the clopidogrel arm (P=0.03).

The study’s primary safety endpoint was severe bleeding according to GUSTO criteria. At 48 hours, major bleeding had occurred in 0.16% of patients in the cangrelor arm and 0.11% of patients in the clopidogrel arm (P=0.44).

Major bleeding occurred in 4.3% of patients on cangrelor and 2.5% of patients on clopidogrel (P<0.001). And minor bleeding occurred in 11.8% of patients on cangrelor and 8.6% of patients on clopidogrel (P<0.001).

Cangrelor is manufactured by The Medicines Company, which is based in Parsippany, New Jersey.

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Perioperative factors influenced open TAAA repair

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Perioperative factors influenced open TAAA repair

Open thoracoabdominal aortic aneurysm (TAAA) repair produced respectable early outcomes, although preoperative and intraoperative factors were found to influence risk, according to Dr. Joseph S. Coselli, who presented the results of the study he and his colleagues at the Baylor College of Medicine in Houston performed at the annual meeting of the American Association for Thoracic Surgery.

They analyzed data from 3,309 open TAAA repairs performed between October 1986 and December 2014.

“I have been very fortunate to have spent my entire career at Baylor College of Medicine, the epicenter of aortic surgery in the 1950s, ’60s, and ’70s, as well as to have been mentored by Dr. E. Stanley Crawford, who was arguably the finest aortic surgeon of his era. Since transitioning from Dr. Crawford’s surgical practice to my own surgical practice, we have kept his pioneering spirit alive by developing a multimodal strategy for thoracoabdominal aortic aneurysm repair that is based on the Crawford extent of repair and our evolving investigation. We sought to describe our series of over 3,000 TAAA repairs and to identify predictors of early death and other adverse postoperative outcomes,” said Dr. Coselli.

The median patient age was around 67 years, and the repairs involved acute or subacute aortic dissection in about 5% of the cases. Nearly 31% of the case involved chronic dissection, with nearly 22% emergent or urgent repairs and around 5% ruptured aneurysms. Connective tissue disorders were present in roughly 10% of patients. “Operatively, we tend to reserve surgical adjuncts for use in the most-extensive repairs, namely extents I and II TAAA repair; intercostal or lumbar artery reattachment was used in just over half of the repairs, left heart bypass (LHB) was used in around 45% of patients, cold renal perfusion was performed in 58%. and cerebrospinal fluid drainage (CSFD) was used in 45%,” said Dr. Coselli.

There was substantial atherosclerotic disease in older patients, and in nearly 41% of repairs, a visceral vessel procedure was performed.

Unlike many aortic centers that routinely use deep hypothermic circulatory arrest (HCA) for extensive TAAA repair, Dr. Coselli reserved this approach for a small number of highly complex repairs (1.4%) in which the aorta could not be safely clamped.

Of the more than a thousand most extensive (i.e., Crawford extent II) repairs, intercostal/lumbar artery reattachment was used in the vast majority (88%), LHB in 82%, and CSFD in 61%. They used multivariable analysis to identify predictors of operative (30-day or in-hospital) mortality and adverse event, a composite outcome comprising operative death and permanent (present at discharge) spinal cord deficit, renal failure, or stroke, according to Dr. Coselli.

Their results showed an operative mortality rate of 7.5%, a 30-day death rate of 4.8%, with the adverse event outcome occurring in about 14% of repairs. A video of his presentation is available at the AATS website.

The statistically significant predictors of operative death were rupture; renal insufficiency, symptoms, procedures targeting visceral vessels, increasing age, and increasing clamp time, while extent IV repair (the least extensive form of TAAA repair) was inversely associated with death. Their analysis showed that the significant predictors of adverse event were use of HCA, renal insufficiency, rupture, extent II repair, visceral vessel procedures, urgent or emergent repair, increasing age, and increasing clamp time. In addition, they used multivariable analysis to identify predictors of renal failure and paraplegia.

In the 3,060 early survivors, roughly 7% had a life-altering complication at discharge: Nearly 3% of patients had renal failure necessitating dialysis, slightly more than 1% had a unresolved stroke, and about 4% had unresolved paraplegia or paraparesis. Repair failure, primarily pseudoaneurysm, or patch aneurysm, occurred after nearly 3% of repairs, said Dr. Coselli.

Outcomes differed by extent of repair, with the risk being greatest in extent II repair. Actuarial survival was 63.6% at 5 years, 36.8% at 10 years, and 18.3% at 15 years. Freedom from repair failure was nearly 98% at 5 years, around 95% at 10 years, and 94% at 15 years.

“Along with respectable early outcomes, after repair, patients have acceptable long-term survival, and late repair failure was uncommon. Notably, there are several subgroups of patients that do exceedingly well. Paraplegia in young patients with connective tissue disorders, even in the most-extensive repair (extent II), is remarkably rare – these patients do extremely well across the board,” he concluded.

Dr. Cosselli reported that he is a principal investigator and consultant for Medtronic and W.L. Gore & Assoc., as well as being a principal investigator, consultant, and having various financial relationships with Vascutek.

 

 

[email protected]

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Open thoracoabdominal aortic aneurysm (TAAA) repair produced respectable early outcomes, although preoperative and intraoperative factors were found to influence risk, according to Dr. Joseph S. Coselli, who presented the results of the study he and his colleagues at the Baylor College of Medicine in Houston performed at the annual meeting of the American Association for Thoracic Surgery.

They analyzed data from 3,309 open TAAA repairs performed between October 1986 and December 2014.

“I have been very fortunate to have spent my entire career at Baylor College of Medicine, the epicenter of aortic surgery in the 1950s, ’60s, and ’70s, as well as to have been mentored by Dr. E. Stanley Crawford, who was arguably the finest aortic surgeon of his era. Since transitioning from Dr. Crawford’s surgical practice to my own surgical practice, we have kept his pioneering spirit alive by developing a multimodal strategy for thoracoabdominal aortic aneurysm repair that is based on the Crawford extent of repair and our evolving investigation. We sought to describe our series of over 3,000 TAAA repairs and to identify predictors of early death and other adverse postoperative outcomes,” said Dr. Coselli.

The median patient age was around 67 years, and the repairs involved acute or subacute aortic dissection in about 5% of the cases. Nearly 31% of the case involved chronic dissection, with nearly 22% emergent or urgent repairs and around 5% ruptured aneurysms. Connective tissue disorders were present in roughly 10% of patients. “Operatively, we tend to reserve surgical adjuncts for use in the most-extensive repairs, namely extents I and II TAAA repair; intercostal or lumbar artery reattachment was used in just over half of the repairs, left heart bypass (LHB) was used in around 45% of patients, cold renal perfusion was performed in 58%. and cerebrospinal fluid drainage (CSFD) was used in 45%,” said Dr. Coselli.

There was substantial atherosclerotic disease in older patients, and in nearly 41% of repairs, a visceral vessel procedure was performed.

Unlike many aortic centers that routinely use deep hypothermic circulatory arrest (HCA) for extensive TAAA repair, Dr. Coselli reserved this approach for a small number of highly complex repairs (1.4%) in which the aorta could not be safely clamped.

Of the more than a thousand most extensive (i.e., Crawford extent II) repairs, intercostal/lumbar artery reattachment was used in the vast majority (88%), LHB in 82%, and CSFD in 61%. They used multivariable analysis to identify predictors of operative (30-day or in-hospital) mortality and adverse event, a composite outcome comprising operative death and permanent (present at discharge) spinal cord deficit, renal failure, or stroke, according to Dr. Coselli.

Their results showed an operative mortality rate of 7.5%, a 30-day death rate of 4.8%, with the adverse event outcome occurring in about 14% of repairs. A video of his presentation is available at the AATS website.

The statistically significant predictors of operative death were rupture; renal insufficiency, symptoms, procedures targeting visceral vessels, increasing age, and increasing clamp time, while extent IV repair (the least extensive form of TAAA repair) was inversely associated with death. Their analysis showed that the significant predictors of adverse event were use of HCA, renal insufficiency, rupture, extent II repair, visceral vessel procedures, urgent or emergent repair, increasing age, and increasing clamp time. In addition, they used multivariable analysis to identify predictors of renal failure and paraplegia.

In the 3,060 early survivors, roughly 7% had a life-altering complication at discharge: Nearly 3% of patients had renal failure necessitating dialysis, slightly more than 1% had a unresolved stroke, and about 4% had unresolved paraplegia or paraparesis. Repair failure, primarily pseudoaneurysm, or patch aneurysm, occurred after nearly 3% of repairs, said Dr. Coselli.

Outcomes differed by extent of repair, with the risk being greatest in extent II repair. Actuarial survival was 63.6% at 5 years, 36.8% at 10 years, and 18.3% at 15 years. Freedom from repair failure was nearly 98% at 5 years, around 95% at 10 years, and 94% at 15 years.

“Along with respectable early outcomes, after repair, patients have acceptable long-term survival, and late repair failure was uncommon. Notably, there are several subgroups of patients that do exceedingly well. Paraplegia in young patients with connective tissue disorders, even in the most-extensive repair (extent II), is remarkably rare – these patients do extremely well across the board,” he concluded.

Dr. Cosselli reported that he is a principal investigator and consultant for Medtronic and W.L. Gore & Assoc., as well as being a principal investigator, consultant, and having various financial relationships with Vascutek.

 

 

[email protected]

Open thoracoabdominal aortic aneurysm (TAAA) repair produced respectable early outcomes, although preoperative and intraoperative factors were found to influence risk, according to Dr. Joseph S. Coselli, who presented the results of the study he and his colleagues at the Baylor College of Medicine in Houston performed at the annual meeting of the American Association for Thoracic Surgery.

They analyzed data from 3,309 open TAAA repairs performed between October 1986 and December 2014.

“I have been very fortunate to have spent my entire career at Baylor College of Medicine, the epicenter of aortic surgery in the 1950s, ’60s, and ’70s, as well as to have been mentored by Dr. E. Stanley Crawford, who was arguably the finest aortic surgeon of his era. Since transitioning from Dr. Crawford’s surgical practice to my own surgical practice, we have kept his pioneering spirit alive by developing a multimodal strategy for thoracoabdominal aortic aneurysm repair that is based on the Crawford extent of repair and our evolving investigation. We sought to describe our series of over 3,000 TAAA repairs and to identify predictors of early death and other adverse postoperative outcomes,” said Dr. Coselli.

The median patient age was around 67 years, and the repairs involved acute or subacute aortic dissection in about 5% of the cases. Nearly 31% of the case involved chronic dissection, with nearly 22% emergent or urgent repairs and around 5% ruptured aneurysms. Connective tissue disorders were present in roughly 10% of patients. “Operatively, we tend to reserve surgical adjuncts for use in the most-extensive repairs, namely extents I and II TAAA repair; intercostal or lumbar artery reattachment was used in just over half of the repairs, left heart bypass (LHB) was used in around 45% of patients, cold renal perfusion was performed in 58%. and cerebrospinal fluid drainage (CSFD) was used in 45%,” said Dr. Coselli.

There was substantial atherosclerotic disease in older patients, and in nearly 41% of repairs, a visceral vessel procedure was performed.

Unlike many aortic centers that routinely use deep hypothermic circulatory arrest (HCA) for extensive TAAA repair, Dr. Coselli reserved this approach for a small number of highly complex repairs (1.4%) in which the aorta could not be safely clamped.

Of the more than a thousand most extensive (i.e., Crawford extent II) repairs, intercostal/lumbar artery reattachment was used in the vast majority (88%), LHB in 82%, and CSFD in 61%. They used multivariable analysis to identify predictors of operative (30-day or in-hospital) mortality and adverse event, a composite outcome comprising operative death and permanent (present at discharge) spinal cord deficit, renal failure, or stroke, according to Dr. Coselli.

Their results showed an operative mortality rate of 7.5%, a 30-day death rate of 4.8%, with the adverse event outcome occurring in about 14% of repairs. A video of his presentation is available at the AATS website.

The statistically significant predictors of operative death were rupture; renal insufficiency, symptoms, procedures targeting visceral vessels, increasing age, and increasing clamp time, while extent IV repair (the least extensive form of TAAA repair) was inversely associated with death. Their analysis showed that the significant predictors of adverse event were use of HCA, renal insufficiency, rupture, extent II repair, visceral vessel procedures, urgent or emergent repair, increasing age, and increasing clamp time. In addition, they used multivariable analysis to identify predictors of renal failure and paraplegia.

In the 3,060 early survivors, roughly 7% had a life-altering complication at discharge: Nearly 3% of patients had renal failure necessitating dialysis, slightly more than 1% had a unresolved stroke, and about 4% had unresolved paraplegia or paraparesis. Repair failure, primarily pseudoaneurysm, or patch aneurysm, occurred after nearly 3% of repairs, said Dr. Coselli.

Outcomes differed by extent of repair, with the risk being greatest in extent II repair. Actuarial survival was 63.6% at 5 years, 36.8% at 10 years, and 18.3% at 15 years. Freedom from repair failure was nearly 98% at 5 years, around 95% at 10 years, and 94% at 15 years.

“Along with respectable early outcomes, after repair, patients have acceptable long-term survival, and late repair failure was uncommon. Notably, there are several subgroups of patients that do exceedingly well. Paraplegia in young patients with connective tissue disorders, even in the most-extensive repair (extent II), is remarkably rare – these patients do extremely well across the board,” he concluded.

Dr. Cosselli reported that he is a principal investigator and consultant for Medtronic and W.L. Gore & Assoc., as well as being a principal investigator, consultant, and having various financial relationships with Vascutek.

 

 

[email protected]

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Weight in America: Abnormal is the new normal

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Three-quarters of men and two-thirds of women aged 25 years or older in the United States are either overweight or obese, according to a study published online June 22 in JAMA Internal Medicine.

During 2007-2012, about 40% of men were overweight and 35% were obese. For women, almost 30% were overweight and 37% were obese, Lin Yang, Ph.D., and Dr. Graham A. Colditz of Washington University, St. Louis, reported in a research letter (JAMA Intern. Med. 2015 June 22 [doi:10.1001/jamainternmed.2015.2405]).

Weight-status distributions across racial groups show that non-Hispanic whites were generally less obese than non-Hispanic blacks and Mexican Americans – an effect that was more pronounced among women. About 34% of white women were obese, compared with 57% of black women, with over 17% occupying the heaviest of three obesity levels, according to the investigators’ analysis of the most recent data from the National Health and Nutrition Examination Survey.

Weight groups in the study were defined by body mass index: underweight (< 18.5 kg/m2), normal weight (18.5-24.9), overweight (25.0-29.9), obesity class 1 (30.0-34.9), obesity class 2 (35.0-39.9), and obesity class 3 (≥ 40).

Compared with an earlier study reporting data for 1988-1994, “the greatest increase in the proportion of patients in the obesity class 3 category was among non-Hispanic black women,” Dr. Yang and Dr. Colditz wrote. Health and policy decision-makers should consider “population-based strategies helping to reduce modifiable risk factors such as physical environment interventions, enhancing primary care efforts to prevent and treat obesity, and altering societal norms of behavior,” they added.

The study was funded by the Washington University Transdiscliplinary Research on Energetics and Cancer Center, the Foundation for Barnes-Jewish Hospital, and the Breast Cancer Research Foundation. The investigators did not report any conflicts.

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Three-quarters of men and two-thirds of women aged 25 years or older in the United States are either overweight or obese, according to a study published online June 22 in JAMA Internal Medicine.

During 2007-2012, about 40% of men were overweight and 35% were obese. For women, almost 30% were overweight and 37% were obese, Lin Yang, Ph.D., and Dr. Graham A. Colditz of Washington University, St. Louis, reported in a research letter (JAMA Intern. Med. 2015 June 22 [doi:10.1001/jamainternmed.2015.2405]).

Weight-status distributions across racial groups show that non-Hispanic whites were generally less obese than non-Hispanic blacks and Mexican Americans – an effect that was more pronounced among women. About 34% of white women were obese, compared with 57% of black women, with over 17% occupying the heaviest of three obesity levels, according to the investigators’ analysis of the most recent data from the National Health and Nutrition Examination Survey.

Weight groups in the study were defined by body mass index: underweight (< 18.5 kg/m2), normal weight (18.5-24.9), overweight (25.0-29.9), obesity class 1 (30.0-34.9), obesity class 2 (35.0-39.9), and obesity class 3 (≥ 40).

Compared with an earlier study reporting data for 1988-1994, “the greatest increase in the proportion of patients in the obesity class 3 category was among non-Hispanic black women,” Dr. Yang and Dr. Colditz wrote. Health and policy decision-makers should consider “population-based strategies helping to reduce modifiable risk factors such as physical environment interventions, enhancing primary care efforts to prevent and treat obesity, and altering societal norms of behavior,” they added.

The study was funded by the Washington University Transdiscliplinary Research on Energetics and Cancer Center, the Foundation for Barnes-Jewish Hospital, and the Breast Cancer Research Foundation. The investigators did not report any conflicts.

[email protected]

Three-quarters of men and two-thirds of women aged 25 years or older in the United States are either overweight or obese, according to a study published online June 22 in JAMA Internal Medicine.

During 2007-2012, about 40% of men were overweight and 35% were obese. For women, almost 30% were overweight and 37% were obese, Lin Yang, Ph.D., and Dr. Graham A. Colditz of Washington University, St. Louis, reported in a research letter (JAMA Intern. Med. 2015 June 22 [doi:10.1001/jamainternmed.2015.2405]).

Weight-status distributions across racial groups show that non-Hispanic whites were generally less obese than non-Hispanic blacks and Mexican Americans – an effect that was more pronounced among women. About 34% of white women were obese, compared with 57% of black women, with over 17% occupying the heaviest of three obesity levels, according to the investigators’ analysis of the most recent data from the National Health and Nutrition Examination Survey.

Weight groups in the study were defined by body mass index: underweight (< 18.5 kg/m2), normal weight (18.5-24.9), overweight (25.0-29.9), obesity class 1 (30.0-34.9), obesity class 2 (35.0-39.9), and obesity class 3 (≥ 40).

Compared with an earlier study reporting data for 1988-1994, “the greatest increase in the proportion of patients in the obesity class 3 category was among non-Hispanic black women,” Dr. Yang and Dr. Colditz wrote. Health and policy decision-makers should consider “population-based strategies helping to reduce modifiable risk factors such as physical environment interventions, enhancing primary care efforts to prevent and treat obesity, and altering societal norms of behavior,” they added.

The study was funded by the Washington University Transdiscliplinary Research on Energetics and Cancer Center, the Foundation for Barnes-Jewish Hospital, and the Breast Cancer Research Foundation. The investigators did not report any conflicts.

[email protected]

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Activin receptors continue to show efficacy in ß-thalassemia

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Activin receptors continue to show efficacy in ß-thalassemia

Attendees at the 20th

Congress of the European

Hematology Association

VIENNA—Two very similar activin receptors, luspatercept and sotatercept, continue to show efficacy in patients with ß-thalassemia, according to research presented at the 20th Congress of the European Hematology Association (EHA).

The “twin compounds” basically differ from each other in the receptor type, but both can increase hemoglobin levels in non-transfusion-dependent (NTD) patients and reduce transfusion burden in transfusion-dependent (TD) patients.

Luspatercept is a recombinant fusion protein containing a modified extracellular domain of the activin receptor type IIB, while sotatercept is an activin receptor type IIA.

Antonio Piga, MD, of Turin University in Italy, presented the most recent results with luspatercept at EHA as abstract S136*. An update on sotatercept was also presented at the meeting.

Acceleron Pharma Inc. and Celgene Corporation are jointly developing both compounds.

The phase 2, multicenter, open-label trial of luspatercept now has results on 39 patients, 35 of whom were in the dose-escalation cohorts and 4 who are in the expansion cohort that is currently underway.

Adult patients age 18 and older received luspatercept subcutaneously every 3 weeks for 3 months. Doses in the dose-escalation cohorts increased from 0.2 mg/kg to 1.25 mg/kg.

Patients in the expansion cohort received a starting dose of 0.8 mg/kg, with an individual dose titration up to 1.25 mg/kg, for an additional 12 months of treatment. Twenty of 30 patients were enrolled in the expansion cohort as of June 8.

For all patients, the median age was 40, 82% had had a splenectomy, and 49% were male. Twenty-five patients were NTD, and 14 were TD.

NTD patients

NTD patients had a median baseline hemoglobin level of 8.4 g/dL and liver iron concentration (LIC) of 5.8 ± 3.8 mg/g dry weight (dw).

Four of 8 patients who received luspatercept at doses ranging from 0.8 mg/kg to 1.25 mg/kg saw an increase in their hemoglobin levels of 1.5 g/dL or more for 2 weeks or longer, and 3 patients (38%) had a mean hemoglobin increase of 1.5 g/dL for 9 weeks or longer.

Patients on the higher doses of luspatercept had larger hemoglobin increases, and, with continued treatment, patients sustained their hemoglobin increases.

Increases in hemoglobin correlated with reductions in LIC.

“There was a trend to lower liver iron concentration,” Dr Piga said, “a trend that seems important.”

Patients achieved reductions in LIC with and without iron chelation therapy.

Eight of 12 patients with a baseline LIC of 5 mg/g dw or greater had decreases of 1 mg or more at month 4. And 10 of 10 patients with a baseline LIC of less than 5 mg/g dw were able to maintain that concentration.

TD patients

At baseline, TD patients required a median of 7.5 red blood cell (RBC) units every 12 weeks and had an LIC of 5.2 ± 5.7 mg/g dw.

Ten of 14 patients were treated for 12 weeks or longer and were evaluable for changes in transfusion burden. And all 10 patients had a 40% or greater reduction in transfusion burden.

Two of 3 patients with an LIC of 7 mg/g dw had decreases of 1 mg/g dw or more at month 4. And all 7 patients with a baseline LIC less than 7 mg/g dw were able to maintain that level.

Leg ulcers

Three patients with long-term, persistent leg ulcers experienced rapid healing with luspatercept treatment.

One NTD patient on the 0.4 mg/kg dose experienced complete healing after 6 weeks, and 1 TD patient on the 1.0 mg/kg dose experienced complete healing after 18 weeks.

 

 

Safety

Bone pain (23%), myalgia (18%), headache (15%), and asthenia (10%) were the most common drug-related adverse events. None of the related adverse events were serious.

Two patients had treatment-related, grade 3 adverse events of bone pain (2 events) and asthenia (1 event). Six of 39 patients discontinued treatment early due to an adverse event of headache, ankle pain, back pain, spider nevi, superficial thrombosis, or bone pain.

The US Food and Drug Administration recently granted luspatercept fast track designation for the treatment of patients with TD or NTD β-thalassemia.

Dr Piga said a pivotal phase 3 trial of luspatercept in patients with β -thalassemia and myelodysplastic syndromes is planned.

*Data in the abstract differ from the presentation.

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Attendees at the 20th

Congress of the European

Hematology Association

VIENNA—Two very similar activin receptors, luspatercept and sotatercept, continue to show efficacy in patients with ß-thalassemia, according to research presented at the 20th Congress of the European Hematology Association (EHA).

The “twin compounds” basically differ from each other in the receptor type, but both can increase hemoglobin levels in non-transfusion-dependent (NTD) patients and reduce transfusion burden in transfusion-dependent (TD) patients.

Luspatercept is a recombinant fusion protein containing a modified extracellular domain of the activin receptor type IIB, while sotatercept is an activin receptor type IIA.

Antonio Piga, MD, of Turin University in Italy, presented the most recent results with luspatercept at EHA as abstract S136*. An update on sotatercept was also presented at the meeting.

Acceleron Pharma Inc. and Celgene Corporation are jointly developing both compounds.

The phase 2, multicenter, open-label trial of luspatercept now has results on 39 patients, 35 of whom were in the dose-escalation cohorts and 4 who are in the expansion cohort that is currently underway.

Adult patients age 18 and older received luspatercept subcutaneously every 3 weeks for 3 months. Doses in the dose-escalation cohorts increased from 0.2 mg/kg to 1.25 mg/kg.

Patients in the expansion cohort received a starting dose of 0.8 mg/kg, with an individual dose titration up to 1.25 mg/kg, for an additional 12 months of treatment. Twenty of 30 patients were enrolled in the expansion cohort as of June 8.

For all patients, the median age was 40, 82% had had a splenectomy, and 49% were male. Twenty-five patients were NTD, and 14 were TD.

NTD patients

NTD patients had a median baseline hemoglobin level of 8.4 g/dL and liver iron concentration (LIC) of 5.8 ± 3.8 mg/g dry weight (dw).

Four of 8 patients who received luspatercept at doses ranging from 0.8 mg/kg to 1.25 mg/kg saw an increase in their hemoglobin levels of 1.5 g/dL or more for 2 weeks or longer, and 3 patients (38%) had a mean hemoglobin increase of 1.5 g/dL for 9 weeks or longer.

Patients on the higher doses of luspatercept had larger hemoglobin increases, and, with continued treatment, patients sustained their hemoglobin increases.

Increases in hemoglobin correlated with reductions in LIC.

“There was a trend to lower liver iron concentration,” Dr Piga said, “a trend that seems important.”

Patients achieved reductions in LIC with and without iron chelation therapy.

Eight of 12 patients with a baseline LIC of 5 mg/g dw or greater had decreases of 1 mg or more at month 4. And 10 of 10 patients with a baseline LIC of less than 5 mg/g dw were able to maintain that concentration.

TD patients

At baseline, TD patients required a median of 7.5 red blood cell (RBC) units every 12 weeks and had an LIC of 5.2 ± 5.7 mg/g dw.

Ten of 14 patients were treated for 12 weeks or longer and were evaluable for changes in transfusion burden. And all 10 patients had a 40% or greater reduction in transfusion burden.

Two of 3 patients with an LIC of 7 mg/g dw had decreases of 1 mg/g dw or more at month 4. And all 7 patients with a baseline LIC less than 7 mg/g dw were able to maintain that level.

Leg ulcers

Three patients with long-term, persistent leg ulcers experienced rapid healing with luspatercept treatment.

One NTD patient on the 0.4 mg/kg dose experienced complete healing after 6 weeks, and 1 TD patient on the 1.0 mg/kg dose experienced complete healing after 18 weeks.

 

 

Safety

Bone pain (23%), myalgia (18%), headache (15%), and asthenia (10%) were the most common drug-related adverse events. None of the related adverse events were serious.

Two patients had treatment-related, grade 3 adverse events of bone pain (2 events) and asthenia (1 event). Six of 39 patients discontinued treatment early due to an adverse event of headache, ankle pain, back pain, spider nevi, superficial thrombosis, or bone pain.

The US Food and Drug Administration recently granted luspatercept fast track designation for the treatment of patients with TD or NTD β-thalassemia.

Dr Piga said a pivotal phase 3 trial of luspatercept in patients with β -thalassemia and myelodysplastic syndromes is planned.

*Data in the abstract differ from the presentation.

Attendees at the 20th

Congress of the European

Hematology Association

VIENNA—Two very similar activin receptors, luspatercept and sotatercept, continue to show efficacy in patients with ß-thalassemia, according to research presented at the 20th Congress of the European Hematology Association (EHA).

The “twin compounds” basically differ from each other in the receptor type, but both can increase hemoglobin levels in non-transfusion-dependent (NTD) patients and reduce transfusion burden in transfusion-dependent (TD) patients.

Luspatercept is a recombinant fusion protein containing a modified extracellular domain of the activin receptor type IIB, while sotatercept is an activin receptor type IIA.

Antonio Piga, MD, of Turin University in Italy, presented the most recent results with luspatercept at EHA as abstract S136*. An update on sotatercept was also presented at the meeting.

Acceleron Pharma Inc. and Celgene Corporation are jointly developing both compounds.

The phase 2, multicenter, open-label trial of luspatercept now has results on 39 patients, 35 of whom were in the dose-escalation cohorts and 4 who are in the expansion cohort that is currently underway.

Adult patients age 18 and older received luspatercept subcutaneously every 3 weeks for 3 months. Doses in the dose-escalation cohorts increased from 0.2 mg/kg to 1.25 mg/kg.

Patients in the expansion cohort received a starting dose of 0.8 mg/kg, with an individual dose titration up to 1.25 mg/kg, for an additional 12 months of treatment. Twenty of 30 patients were enrolled in the expansion cohort as of June 8.

For all patients, the median age was 40, 82% had had a splenectomy, and 49% were male. Twenty-five patients were NTD, and 14 were TD.

NTD patients

NTD patients had a median baseline hemoglobin level of 8.4 g/dL and liver iron concentration (LIC) of 5.8 ± 3.8 mg/g dry weight (dw).

Four of 8 patients who received luspatercept at doses ranging from 0.8 mg/kg to 1.25 mg/kg saw an increase in their hemoglobin levels of 1.5 g/dL or more for 2 weeks or longer, and 3 patients (38%) had a mean hemoglobin increase of 1.5 g/dL for 9 weeks or longer.

Patients on the higher doses of luspatercept had larger hemoglobin increases, and, with continued treatment, patients sustained their hemoglobin increases.

Increases in hemoglobin correlated with reductions in LIC.

“There was a trend to lower liver iron concentration,” Dr Piga said, “a trend that seems important.”

Patients achieved reductions in LIC with and without iron chelation therapy.

Eight of 12 patients with a baseline LIC of 5 mg/g dw or greater had decreases of 1 mg or more at month 4. And 10 of 10 patients with a baseline LIC of less than 5 mg/g dw were able to maintain that concentration.

TD patients

At baseline, TD patients required a median of 7.5 red blood cell (RBC) units every 12 weeks and had an LIC of 5.2 ± 5.7 mg/g dw.

Ten of 14 patients were treated for 12 weeks or longer and were evaluable for changes in transfusion burden. And all 10 patients had a 40% or greater reduction in transfusion burden.

Two of 3 patients with an LIC of 7 mg/g dw had decreases of 1 mg/g dw or more at month 4. And all 7 patients with a baseline LIC less than 7 mg/g dw were able to maintain that level.

Leg ulcers

Three patients with long-term, persistent leg ulcers experienced rapid healing with luspatercept treatment.

One NTD patient on the 0.4 mg/kg dose experienced complete healing after 6 weeks, and 1 TD patient on the 1.0 mg/kg dose experienced complete healing after 18 weeks.

 

 

Safety

Bone pain (23%), myalgia (18%), headache (15%), and asthenia (10%) were the most common drug-related adverse events. None of the related adverse events were serious.

Two patients had treatment-related, grade 3 adverse events of bone pain (2 events) and asthenia (1 event). Six of 39 patients discontinued treatment early due to an adverse event of headache, ankle pain, back pain, spider nevi, superficial thrombosis, or bone pain.

The US Food and Drug Administration recently granted luspatercept fast track designation for the treatment of patients with TD or NTD β-thalassemia.

Dr Piga said a pivotal phase 3 trial of luspatercept in patients with β -thalassemia and myelodysplastic syndromes is planned.

*Data in the abstract differ from the presentation.

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Drug won’t advance to phase 3 in ß-thalassemia

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Blood smear showing

thalassemia

VIENNA—Data from a phase 2a trial suggest the activin receptor sotatercept can effectively treat patients with ß-thalassemia.

However, the companies developing the drug have decided not to advance sotatercept to phase 3 trials in this patient population.

Instead, the companies are initiating a phase 3 program with sotatercept’s “twin” activin receptor, luspatercept, in patients with ß-thalassemia or myelodysplastic syndromes.

Acceleron Pharma Inc. and Celgene Corporation are jointly developing both compounds. The companies plan to continue developing sotatercept for patients with chronic kidney disease.

Maria Domenica Cappellini, MD, of the University of Milan in Italy, presented results from the phase 2a study of sotatercept in ß-thalassemia at the 20th Congress of the European Hematology Association (abstract S137*).

Phase 2 results with luspatercept in ß-thalassemia were also presented at the meeting.

The dose-finding study of sotatercept had enrolled 46 patients at the time of Dr Cappellini’s presentation. The drug was given subcutaneously at doses ranging from 0.1 mg/kg to 1.0 mg/kg every 3 weeks.

The 30 non-transfusion-dependent (NTD) patients received 4 or fewer red blood cell (RBC) units in the 6 months prior to study enrollment. The 16 transfusion-dependent (TD) patients had received 2 or more RBC units every 30 days for 6 months or more prior to study enrollment.

Twenty-five of the 46 patients remain on treatment, with a median exposure time of 12.4 months.

NTD patients

The patients’ median age was 42, and 53% were female. Fifty-three percent had had a splenectomy, and the median baseline hemoglobin level was 8.4 g/dL.

Treatment with sotatercept produced a dose-dependent hemoglobin increase.

“[W]hat I found quite interesting is that the increase is consistent and persistent, [even] after 1 year,” Dr Cappellini said. “And they are still maintained on treatment, of course, but it is a sustained response.”

At the 0.75 mg/kg dose, 86% of patients had a hemoglobin increase of 1 g/dL for 12 weeks or more, and 71% had an increase of 1.5 g/dL.

TD patients

The patients’ median age was 36 years, and 38% were female. Three-quarters of patients had ß-thalassemia major, and a quarter had ß-thalassemia intermedia.

Nearly a third of patients had had a splenectomy, and their transfusion burden at baseline ranged from 8 RBC units to 35 RBC units every 24 weeks.

The mean reduction in transfusion burden among patients treated with sotatercept at doses of 0.5 mg/kg or higher was 32.25%. And the 1.0 mg/kg dose of sotatercept reduced one patient’s transfusion burden by 61.6%.

Dr Cappellini noted that the pharmacokinetic analysis showed a correlation with exposure. The investigators observed no apparent effects of weight, sex, age, or transfusion burden on drug clearance.

“So the relationship was probably more related to long-term exposure than to the real dosage,” she said.

Safety

Hypertension and bone pain were the most common grade 2-4, treatment-related adverse events.

Seven patients discontinued the study due to adverse events, one patient each with bone pain, superficial thrombophlebitis, ventricular extrasystole, spinal extramedullary erythropoietic tissue, and erythema at the injection site/allergic reaction. Two patients discontinued due to hypertension.

Dr Cappellini concluded that sotatercept and the related molecule, luspatercept, may provide a favorable risk-benefit profile for patients with ß-thalassemia.

“These 2 molecules are merging now for a phase 3 trial in either TD or NTD thalassemia cohorts,” she said. “The two drugs are actually very, very similar, and, in fact, for the trial, we decided to use only one. There is no way to go on with 2 molecules.”

 

 

In April, Acceleron and Celgene announced plans to initiate a phase 3 program with luspatercept in myelodysplastic syndromes and β-thalassemia by the end of this year. The companies said they will continue to develop sotatercept for patients with chronic kidney disease.

*Data in the abstract differ from the presentation.

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Blood smear showing

thalassemia

VIENNA—Data from a phase 2a trial suggest the activin receptor sotatercept can effectively treat patients with ß-thalassemia.

However, the companies developing the drug have decided not to advance sotatercept to phase 3 trials in this patient population.

Instead, the companies are initiating a phase 3 program with sotatercept’s “twin” activin receptor, luspatercept, in patients with ß-thalassemia or myelodysplastic syndromes.

Acceleron Pharma Inc. and Celgene Corporation are jointly developing both compounds. The companies plan to continue developing sotatercept for patients with chronic kidney disease.

Maria Domenica Cappellini, MD, of the University of Milan in Italy, presented results from the phase 2a study of sotatercept in ß-thalassemia at the 20th Congress of the European Hematology Association (abstract S137*).

Phase 2 results with luspatercept in ß-thalassemia were also presented at the meeting.

The dose-finding study of sotatercept had enrolled 46 patients at the time of Dr Cappellini’s presentation. The drug was given subcutaneously at doses ranging from 0.1 mg/kg to 1.0 mg/kg every 3 weeks.

The 30 non-transfusion-dependent (NTD) patients received 4 or fewer red blood cell (RBC) units in the 6 months prior to study enrollment. The 16 transfusion-dependent (TD) patients had received 2 or more RBC units every 30 days for 6 months or more prior to study enrollment.

Twenty-five of the 46 patients remain on treatment, with a median exposure time of 12.4 months.

NTD patients

The patients’ median age was 42, and 53% were female. Fifty-three percent had had a splenectomy, and the median baseline hemoglobin level was 8.4 g/dL.

Treatment with sotatercept produced a dose-dependent hemoglobin increase.

“[W]hat I found quite interesting is that the increase is consistent and persistent, [even] after 1 year,” Dr Cappellini said. “And they are still maintained on treatment, of course, but it is a sustained response.”

At the 0.75 mg/kg dose, 86% of patients had a hemoglobin increase of 1 g/dL for 12 weeks or more, and 71% had an increase of 1.5 g/dL.

TD patients

The patients’ median age was 36 years, and 38% were female. Three-quarters of patients had ß-thalassemia major, and a quarter had ß-thalassemia intermedia.

Nearly a third of patients had had a splenectomy, and their transfusion burden at baseline ranged from 8 RBC units to 35 RBC units every 24 weeks.

The mean reduction in transfusion burden among patients treated with sotatercept at doses of 0.5 mg/kg or higher was 32.25%. And the 1.0 mg/kg dose of sotatercept reduced one patient’s transfusion burden by 61.6%.

Dr Cappellini noted that the pharmacokinetic analysis showed a correlation with exposure. The investigators observed no apparent effects of weight, sex, age, or transfusion burden on drug clearance.

“So the relationship was probably more related to long-term exposure than to the real dosage,” she said.

Safety

Hypertension and bone pain were the most common grade 2-4, treatment-related adverse events.

Seven patients discontinued the study due to adverse events, one patient each with bone pain, superficial thrombophlebitis, ventricular extrasystole, spinal extramedullary erythropoietic tissue, and erythema at the injection site/allergic reaction. Two patients discontinued due to hypertension.

Dr Cappellini concluded that sotatercept and the related molecule, luspatercept, may provide a favorable risk-benefit profile for patients with ß-thalassemia.

“These 2 molecules are merging now for a phase 3 trial in either TD or NTD thalassemia cohorts,” she said. “The two drugs are actually very, very similar, and, in fact, for the trial, we decided to use only one. There is no way to go on with 2 molecules.”

 

 

In April, Acceleron and Celgene announced plans to initiate a phase 3 program with luspatercept in myelodysplastic syndromes and β-thalassemia by the end of this year. The companies said they will continue to develop sotatercept for patients with chronic kidney disease.

*Data in the abstract differ from the presentation.

Blood smear showing

thalassemia

VIENNA—Data from a phase 2a trial suggest the activin receptor sotatercept can effectively treat patients with ß-thalassemia.

However, the companies developing the drug have decided not to advance sotatercept to phase 3 trials in this patient population.

Instead, the companies are initiating a phase 3 program with sotatercept’s “twin” activin receptor, luspatercept, in patients with ß-thalassemia or myelodysplastic syndromes.

Acceleron Pharma Inc. and Celgene Corporation are jointly developing both compounds. The companies plan to continue developing sotatercept for patients with chronic kidney disease.

Maria Domenica Cappellini, MD, of the University of Milan in Italy, presented results from the phase 2a study of sotatercept in ß-thalassemia at the 20th Congress of the European Hematology Association (abstract S137*).

Phase 2 results with luspatercept in ß-thalassemia were also presented at the meeting.

The dose-finding study of sotatercept had enrolled 46 patients at the time of Dr Cappellini’s presentation. The drug was given subcutaneously at doses ranging from 0.1 mg/kg to 1.0 mg/kg every 3 weeks.

The 30 non-transfusion-dependent (NTD) patients received 4 or fewer red blood cell (RBC) units in the 6 months prior to study enrollment. The 16 transfusion-dependent (TD) patients had received 2 or more RBC units every 30 days for 6 months or more prior to study enrollment.

Twenty-five of the 46 patients remain on treatment, with a median exposure time of 12.4 months.

NTD patients

The patients’ median age was 42, and 53% were female. Fifty-three percent had had a splenectomy, and the median baseline hemoglobin level was 8.4 g/dL.

Treatment with sotatercept produced a dose-dependent hemoglobin increase.

“[W]hat I found quite interesting is that the increase is consistent and persistent, [even] after 1 year,” Dr Cappellini said. “And they are still maintained on treatment, of course, but it is a sustained response.”

At the 0.75 mg/kg dose, 86% of patients had a hemoglobin increase of 1 g/dL for 12 weeks or more, and 71% had an increase of 1.5 g/dL.

TD patients

The patients’ median age was 36 years, and 38% were female. Three-quarters of patients had ß-thalassemia major, and a quarter had ß-thalassemia intermedia.

Nearly a third of patients had had a splenectomy, and their transfusion burden at baseline ranged from 8 RBC units to 35 RBC units every 24 weeks.

The mean reduction in transfusion burden among patients treated with sotatercept at doses of 0.5 mg/kg or higher was 32.25%. And the 1.0 mg/kg dose of sotatercept reduced one patient’s transfusion burden by 61.6%.

Dr Cappellini noted that the pharmacokinetic analysis showed a correlation with exposure. The investigators observed no apparent effects of weight, sex, age, or transfusion burden on drug clearance.

“So the relationship was probably more related to long-term exposure than to the real dosage,” she said.

Safety

Hypertension and bone pain were the most common grade 2-4, treatment-related adverse events.

Seven patients discontinued the study due to adverse events, one patient each with bone pain, superficial thrombophlebitis, ventricular extrasystole, spinal extramedullary erythropoietic tissue, and erythema at the injection site/allergic reaction. Two patients discontinued due to hypertension.

Dr Cappellini concluded that sotatercept and the related molecule, luspatercept, may provide a favorable risk-benefit profile for patients with ß-thalassemia.

“These 2 molecules are merging now for a phase 3 trial in either TD or NTD thalassemia cohorts,” she said. “The two drugs are actually very, very similar, and, in fact, for the trial, we decided to use only one. There is no way to go on with 2 molecules.”

 

 

In April, Acceleron and Celgene announced plans to initiate a phase 3 program with luspatercept in myelodysplastic syndromes and β-thalassemia by the end of this year. The companies said they will continue to develop sotatercept for patients with chronic kidney disease.

*Data in the abstract differ from the presentation.

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Veterans with TBI have higher rates of unemployment

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WASHINGTON – Soldiers who experience traumatic brain injury (TBI) while deployed have a much higher rate of unemployment than those who experience no TBI during their tour of duty, according to a study presented at the annual meeting of the American Headache Society.

“We know that TBI and PTSD [post-traumatic stress disorder] can lead to headaches, depression, and loss of libido, but there’s very little data on the long-term effects of TBI on [veterans], and therefore very little control data,” explained Dr. James R. Couch of the University of Oklahoma in Oklahoma City.

Dr. Couch and his coinvestigators looked at 5,743 veterans of Operation Iraqi Freedom and Operation Enduring Freedom who had been deployed between June 2008 and April 2011, 1,325 (23%) of whom had experienced TBI while serving. The first 500 subjects seen were then frequency matched with a control subject who did not experience TBI, based on age, sex, race, and deployment length.

From this pool, 67 pairs were finally selected for inclusion, all of whom were 2-11 years post TBI: 39 pairs were 2-7 years post TBI and the remaining 28 pairs were 8-11 years post TBI. All subjects were 25-60 years old. Marital and employment data were collected from each subject, and each subject completed a TBI questionnaire, headache questionnaire, Beck Depression Inventory 2, and post-traumatic stress disorder questionnaire, from which bivariate analyses were performed.

Although marital status was not found to be significantly tied to TBI experience while deployed, unemployment rates were consistently and significantly higher in the TBI cohort, compared with their non-TBI counterparts. In the 2-7 years post-TBI group, 35.9% of subjects were unemployed, while only 10.3% of non-TBI subjects were without a job (P = .014). In the 8-11 years post-TBI cohort, 50.0% of subjects were unemployed, compared with 7.1% of controls who were unemployed. No significant association, however, was found between frequency of headache or severity of TBI with either unemployment or marital status.

The most important thing to take away, said Dr. Couch, is “the marked difference in unemployment from 4-11 years after TBI, and that things seem to be getting worse as time goes along. Headache, depression, PTSD – none of these stand out as singular causes but are all known to be related to [TBI], and severity of TBI was not strongly associated.”

Dr. Couch disclosed receiving consulting fees/honoraria from St. Jude Medical.

[email protected]

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WASHINGTON – Soldiers who experience traumatic brain injury (TBI) while deployed have a much higher rate of unemployment than those who experience no TBI during their tour of duty, according to a study presented at the annual meeting of the American Headache Society.

“We know that TBI and PTSD [post-traumatic stress disorder] can lead to headaches, depression, and loss of libido, but there’s very little data on the long-term effects of TBI on [veterans], and therefore very little control data,” explained Dr. James R. Couch of the University of Oklahoma in Oklahoma City.

Dr. Couch and his coinvestigators looked at 5,743 veterans of Operation Iraqi Freedom and Operation Enduring Freedom who had been deployed between June 2008 and April 2011, 1,325 (23%) of whom had experienced TBI while serving. The first 500 subjects seen were then frequency matched with a control subject who did not experience TBI, based on age, sex, race, and deployment length.

From this pool, 67 pairs were finally selected for inclusion, all of whom were 2-11 years post TBI: 39 pairs were 2-7 years post TBI and the remaining 28 pairs were 8-11 years post TBI. All subjects were 25-60 years old. Marital and employment data were collected from each subject, and each subject completed a TBI questionnaire, headache questionnaire, Beck Depression Inventory 2, and post-traumatic stress disorder questionnaire, from which bivariate analyses were performed.

Although marital status was not found to be significantly tied to TBI experience while deployed, unemployment rates were consistently and significantly higher in the TBI cohort, compared with their non-TBI counterparts. In the 2-7 years post-TBI group, 35.9% of subjects were unemployed, while only 10.3% of non-TBI subjects were without a job (P = .014). In the 8-11 years post-TBI cohort, 50.0% of subjects were unemployed, compared with 7.1% of controls who were unemployed. No significant association, however, was found between frequency of headache or severity of TBI with either unemployment or marital status.

The most important thing to take away, said Dr. Couch, is “the marked difference in unemployment from 4-11 years after TBI, and that things seem to be getting worse as time goes along. Headache, depression, PTSD – none of these stand out as singular causes but are all known to be related to [TBI], and severity of TBI was not strongly associated.”

Dr. Couch disclosed receiving consulting fees/honoraria from St. Jude Medical.

[email protected]

WASHINGTON – Soldiers who experience traumatic brain injury (TBI) while deployed have a much higher rate of unemployment than those who experience no TBI during their tour of duty, according to a study presented at the annual meeting of the American Headache Society.

“We know that TBI and PTSD [post-traumatic stress disorder] can lead to headaches, depression, and loss of libido, but there’s very little data on the long-term effects of TBI on [veterans], and therefore very little control data,” explained Dr. James R. Couch of the University of Oklahoma in Oklahoma City.

Dr. Couch and his coinvestigators looked at 5,743 veterans of Operation Iraqi Freedom and Operation Enduring Freedom who had been deployed between June 2008 and April 2011, 1,325 (23%) of whom had experienced TBI while serving. The first 500 subjects seen were then frequency matched with a control subject who did not experience TBI, based on age, sex, race, and deployment length.

From this pool, 67 pairs were finally selected for inclusion, all of whom were 2-11 years post TBI: 39 pairs were 2-7 years post TBI and the remaining 28 pairs were 8-11 years post TBI. All subjects were 25-60 years old. Marital and employment data were collected from each subject, and each subject completed a TBI questionnaire, headache questionnaire, Beck Depression Inventory 2, and post-traumatic stress disorder questionnaire, from which bivariate analyses were performed.

Although marital status was not found to be significantly tied to TBI experience while deployed, unemployment rates were consistently and significantly higher in the TBI cohort, compared with their non-TBI counterparts. In the 2-7 years post-TBI group, 35.9% of subjects were unemployed, while only 10.3% of non-TBI subjects were without a job (P = .014). In the 8-11 years post-TBI cohort, 50.0% of subjects were unemployed, compared with 7.1% of controls who were unemployed. No significant association, however, was found between frequency of headache or severity of TBI with either unemployment or marital status.

The most important thing to take away, said Dr. Couch, is “the marked difference in unemployment from 4-11 years after TBI, and that things seem to be getting worse as time goes along. Headache, depression, PTSD – none of these stand out as singular causes but are all known to be related to [TBI], and severity of TBI was not strongly associated.”

Dr. Couch disclosed receiving consulting fees/honoraria from St. Jude Medical.

[email protected]

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Key clinical point: Soldiers who experience traumatic brain injury while deployed have significantly lower rates of employment than soldiers who experience no traumatic brain injury.

Major finding: At 2-7 years post TBI, 39.1% of soldiers who experienced TBI were unemployed vs. 10.3% unemployment for soldiers with no TBI (P = .014); at 8-11 years post TBI, unemployment was 50.0% for TBI soldiers vs. 7.1% for non-TBI soldiers.

Data source: Interview-based study of 67 soldiers, aged 25-60 years, who experienced TBI during deployment between June 2008 and April 2011, all of whom were paired with a control of similar age, sex, race, and deployment time who did not experience TBI.

Disclosures: Dr. Couch disclosed receiving consulting fees/honoraria from St. Jude Medical.

Lessons from polio

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For those of us who appreciate the value of science and accept its limitations, it is sometimes difficult to understand how parents can choose to not immunize their children against serious and life-threatening diseases. To some extent, the explanation may be that immunizations simply have become victims of their own success.

How many adults have a relative, friend, or neighbor whose child has died as the result of bacterial meningitis or epiglottitis? They might have had a friend whose month-long cough was eventually diagnosed as whooping cough, but how many parents know of an infant who succumbed to pertussis? If you were trained in the last decade, you may not have had first-hand experience with most of the diseases for which we now have immunizations.

Dr. William G. Wilkoff

Reading a recent review of a new biography of Jonas Salk triggered a stream of memories of what it was like when polio descended on the landscape of North America – unchecked by an effective immunization. Moving through communities, choosing victims seemingly at random, it was every parent’s nightmare.

I grew up in a small town in New York State, so small that its inhabitants refer to it as a “village.” Everyone in Pleasantville knew at least one family that had been touched by polio. I don’t recall being aware of anyone in my family’s extended network of acquaintances who had died of the disease, but I suspect there may have been some fatalities that my parents avoided discussing in my presence. But I knew it was a disease with a significant mortality rate, and I knew of children and adults who had luckily survived several weeks or months in an iron lung. One of my parents’ closest friends walked with a limp as a result of polio.

There was rumor in town that all five members in one family had contracted polio and incredibly survived. Their cat had allegedly died of the disease. Our community was said to be particularly vulnerable because we had a public pool. This gift from the federal government’s Works Progress Administration provided a multi-lane superhighway for the virus to spread from child to child.

Even as a young child, I could sense that a blanket of fear hung over our little village during the summer when the disease was at its most prevalent. Now, as a parent, I am surprised how well my own parents disguised the fears that they and their peers must have harbored. My sister and I were still allowed to go swimming at the pool on the hottest days, but we knew that there were other families who stayed away.

When a vaccine trial began at our school, there was no question that we would participate. In fact, I don’t recall bringing home any permission slips to be signed. Nor do I remember hearing of any families who had opted out. We always wondered whether we had received the real vaccine or the placebo. But when the trials were over and the real vaccine was available, what parent in his or her right mind would even consider depriving his or her child from protection against this scourge that had taken up residence among us? I’m sure that Dr. Blum, my pediatrician, never needed to spend more than 30 seconds trying to convince my parents or any other parents, for that matter, of the need to vaccinate against polio.

My childhood ended before the development of the vaccines against the other common viral illnesses, and as a result I contracted and survived measles, mumps, rubella, and varicella. Of course, there must have been a few children who died of the diseases that had left me unscathed, but the number of fatalities was so small that I’m sure my parents would have wondered why we would need vaccines for these “usual diseases of childhood.”

But polio was different, and while it pales in comparison to Ebola, polio and its successful eradication created a generation of parents with a respect for science and the value of immunization. However, that generation has passed, and with it the stories they could have told the parents of today. Unfortunately, vaccine refusers seem to be immune to education and deaf to the lessons history can teach. I suspect that they would have foolishly ignored my parents’ stories about polio as just so much when-I-was-your-age mumbling.

Dr. Wilkoff practiced primary care pediatrics in Brunswick, Maine, for nearly 40 years. He has authored several books on behavioral pediatrics, including “Coping with a Picky Eater.” E-mail him at [email protected].

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For those of us who appreciate the value of science and accept its limitations, it is sometimes difficult to understand how parents can choose to not immunize their children against serious and life-threatening diseases. To some extent, the explanation may be that immunizations simply have become victims of their own success.

How many adults have a relative, friend, or neighbor whose child has died as the result of bacterial meningitis or epiglottitis? They might have had a friend whose month-long cough was eventually diagnosed as whooping cough, but how many parents know of an infant who succumbed to pertussis? If you were trained in the last decade, you may not have had first-hand experience with most of the diseases for which we now have immunizations.

Dr. William G. Wilkoff

Reading a recent review of a new biography of Jonas Salk triggered a stream of memories of what it was like when polio descended on the landscape of North America – unchecked by an effective immunization. Moving through communities, choosing victims seemingly at random, it was every parent’s nightmare.

I grew up in a small town in New York State, so small that its inhabitants refer to it as a “village.” Everyone in Pleasantville knew at least one family that had been touched by polio. I don’t recall being aware of anyone in my family’s extended network of acquaintances who had died of the disease, but I suspect there may have been some fatalities that my parents avoided discussing in my presence. But I knew it was a disease with a significant mortality rate, and I knew of children and adults who had luckily survived several weeks or months in an iron lung. One of my parents’ closest friends walked with a limp as a result of polio.

There was rumor in town that all five members in one family had contracted polio and incredibly survived. Their cat had allegedly died of the disease. Our community was said to be particularly vulnerable because we had a public pool. This gift from the federal government’s Works Progress Administration provided a multi-lane superhighway for the virus to spread from child to child.

Even as a young child, I could sense that a blanket of fear hung over our little village during the summer when the disease was at its most prevalent. Now, as a parent, I am surprised how well my own parents disguised the fears that they and their peers must have harbored. My sister and I were still allowed to go swimming at the pool on the hottest days, but we knew that there were other families who stayed away.

When a vaccine trial began at our school, there was no question that we would participate. In fact, I don’t recall bringing home any permission slips to be signed. Nor do I remember hearing of any families who had opted out. We always wondered whether we had received the real vaccine or the placebo. But when the trials were over and the real vaccine was available, what parent in his or her right mind would even consider depriving his or her child from protection against this scourge that had taken up residence among us? I’m sure that Dr. Blum, my pediatrician, never needed to spend more than 30 seconds trying to convince my parents or any other parents, for that matter, of the need to vaccinate against polio.

My childhood ended before the development of the vaccines against the other common viral illnesses, and as a result I contracted and survived measles, mumps, rubella, and varicella. Of course, there must have been a few children who died of the diseases that had left me unscathed, but the number of fatalities was so small that I’m sure my parents would have wondered why we would need vaccines for these “usual diseases of childhood.”

But polio was different, and while it pales in comparison to Ebola, polio and its successful eradication created a generation of parents with a respect for science and the value of immunization. However, that generation has passed, and with it the stories they could have told the parents of today. Unfortunately, vaccine refusers seem to be immune to education and deaf to the lessons history can teach. I suspect that they would have foolishly ignored my parents’ stories about polio as just so much when-I-was-your-age mumbling.

Dr. Wilkoff practiced primary care pediatrics in Brunswick, Maine, for nearly 40 years. He has authored several books on behavioral pediatrics, including “Coping with a Picky Eater.” E-mail him at [email protected].

For those of us who appreciate the value of science and accept its limitations, it is sometimes difficult to understand how parents can choose to not immunize their children against serious and life-threatening diseases. To some extent, the explanation may be that immunizations simply have become victims of their own success.

How many adults have a relative, friend, or neighbor whose child has died as the result of bacterial meningitis or epiglottitis? They might have had a friend whose month-long cough was eventually diagnosed as whooping cough, but how many parents know of an infant who succumbed to pertussis? If you were trained in the last decade, you may not have had first-hand experience with most of the diseases for which we now have immunizations.

Dr. William G. Wilkoff

Reading a recent review of a new biography of Jonas Salk triggered a stream of memories of what it was like when polio descended on the landscape of North America – unchecked by an effective immunization. Moving through communities, choosing victims seemingly at random, it was every parent’s nightmare.

I grew up in a small town in New York State, so small that its inhabitants refer to it as a “village.” Everyone in Pleasantville knew at least one family that had been touched by polio. I don’t recall being aware of anyone in my family’s extended network of acquaintances who had died of the disease, but I suspect there may have been some fatalities that my parents avoided discussing in my presence. But I knew it was a disease with a significant mortality rate, and I knew of children and adults who had luckily survived several weeks or months in an iron lung. One of my parents’ closest friends walked with a limp as a result of polio.

There was rumor in town that all five members in one family had contracted polio and incredibly survived. Their cat had allegedly died of the disease. Our community was said to be particularly vulnerable because we had a public pool. This gift from the federal government’s Works Progress Administration provided a multi-lane superhighway for the virus to spread from child to child.

Even as a young child, I could sense that a blanket of fear hung over our little village during the summer when the disease was at its most prevalent. Now, as a parent, I am surprised how well my own parents disguised the fears that they and their peers must have harbored. My sister and I were still allowed to go swimming at the pool on the hottest days, but we knew that there were other families who stayed away.

When a vaccine trial began at our school, there was no question that we would participate. In fact, I don’t recall bringing home any permission slips to be signed. Nor do I remember hearing of any families who had opted out. We always wondered whether we had received the real vaccine or the placebo. But when the trials were over and the real vaccine was available, what parent in his or her right mind would even consider depriving his or her child from protection against this scourge that had taken up residence among us? I’m sure that Dr. Blum, my pediatrician, never needed to spend more than 30 seconds trying to convince my parents or any other parents, for that matter, of the need to vaccinate against polio.

My childhood ended before the development of the vaccines against the other common viral illnesses, and as a result I contracted and survived measles, mumps, rubella, and varicella. Of course, there must have been a few children who died of the diseases that had left me unscathed, but the number of fatalities was so small that I’m sure my parents would have wondered why we would need vaccines for these “usual diseases of childhood.”

But polio was different, and while it pales in comparison to Ebola, polio and its successful eradication created a generation of parents with a respect for science and the value of immunization. However, that generation has passed, and with it the stories they could have told the parents of today. Unfortunately, vaccine refusers seem to be immune to education and deaf to the lessons history can teach. I suspect that they would have foolishly ignored my parents’ stories about polio as just so much when-I-was-your-age mumbling.

Dr. Wilkoff practiced primary care pediatrics in Brunswick, Maine, for nearly 40 years. He has authored several books on behavioral pediatrics, including “Coping with a Picky Eater.” E-mail him at [email protected].

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New insight into blood production

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Hematopoietic stem cells

in the bone marrow

Scientists say they have identified a family of multipotent progenitor (MPP) cells that are the first to arise from hematopoietic stem cells (HSCs).

The team said their discovery, published in Cell Stem Cell, raises the possibility that, by manipulating the fates of MPPs or HSCs, researchers could one day help overcome imbalances and deficiencies that can arise in the blood system due to aging or leukemia.

Similar imbalances can render patients vulnerable immediately following HSC transplants, especially following umbilical cord transplants, said study author Emmanuelle Passegué, PhD, of the University of California San Francisco.

Via experiments in mice, Dr Passegué and her colleagues found that HSCs “make educated decisions” when it comes time to differentiate.

“Previously, researchers thought that the developmental paths of daughter cells were randomly specified by the HSC, but we conclude that the HSC normally responds appropriately to signals in the environment, making the different MPPs in parallel, but at different speeds and in different amounts to meet the body’s needs,” Dr Passegué said.

To uncover these findings, she and her colleagues investigated patterns of gene expression and cell signaling that determine which developmental paths are favored when relatively rare HSCs spin off daughter cells. The team also explored HSCs’ responses during transplant.

The researchers found that the first daughter cells that arise from HSCs are already distinct, favoring the development of different specialized cell lineages.

The team identified two types of daughter cells, MPP2 and MPP3, which, under normal conditions, are rare. These cells work together with more common daughter cells, MPP4 cells, to control blood production.

MPP2 cells favor the production of platelets and red blood cells, while MPP3 cells favor production of inflammatory cells.

MPP4 cells are the main producers of lymphocytes that fight specific disease pathogens, but the researchers showed that MPP4 cells can easily be re-educated to make many inflammatory cells when regenerative needs are high, as they are following a transplant.

The team found that, during transplant, regenerating HSCs limit their own self-renewal and instead go to work overproducing MPP2 and MPP3 cells that quickly produce needed red blood cells, platelets, and inflammatory cells. Only later does MPP4 production return to normal, enabling the immune system to replenish lymphocytes.

“It will be compelling to test whether the developmental pathways leading to cell specialization can be manipulated to favor production of specific lineage-biased MPPs in order to optimize blood recovery following hematopoietic injury or to rebalance the output of various cell lineages in an aging or deregulated blood system,” Dr Passegué said.

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Hematopoietic stem cells

in the bone marrow

Scientists say they have identified a family of multipotent progenitor (MPP) cells that are the first to arise from hematopoietic stem cells (HSCs).

The team said their discovery, published in Cell Stem Cell, raises the possibility that, by manipulating the fates of MPPs or HSCs, researchers could one day help overcome imbalances and deficiencies that can arise in the blood system due to aging or leukemia.

Similar imbalances can render patients vulnerable immediately following HSC transplants, especially following umbilical cord transplants, said study author Emmanuelle Passegué, PhD, of the University of California San Francisco.

Via experiments in mice, Dr Passegué and her colleagues found that HSCs “make educated decisions” when it comes time to differentiate.

“Previously, researchers thought that the developmental paths of daughter cells were randomly specified by the HSC, but we conclude that the HSC normally responds appropriately to signals in the environment, making the different MPPs in parallel, but at different speeds and in different amounts to meet the body’s needs,” Dr Passegué said.

To uncover these findings, she and her colleagues investigated patterns of gene expression and cell signaling that determine which developmental paths are favored when relatively rare HSCs spin off daughter cells. The team also explored HSCs’ responses during transplant.

The researchers found that the first daughter cells that arise from HSCs are already distinct, favoring the development of different specialized cell lineages.

The team identified two types of daughter cells, MPP2 and MPP3, which, under normal conditions, are rare. These cells work together with more common daughter cells, MPP4 cells, to control blood production.

MPP2 cells favor the production of platelets and red blood cells, while MPP3 cells favor production of inflammatory cells.

MPP4 cells are the main producers of lymphocytes that fight specific disease pathogens, but the researchers showed that MPP4 cells can easily be re-educated to make many inflammatory cells when regenerative needs are high, as they are following a transplant.

The team found that, during transplant, regenerating HSCs limit their own self-renewal and instead go to work overproducing MPP2 and MPP3 cells that quickly produce needed red blood cells, platelets, and inflammatory cells. Only later does MPP4 production return to normal, enabling the immune system to replenish lymphocytes.

“It will be compelling to test whether the developmental pathways leading to cell specialization can be manipulated to favor production of specific lineage-biased MPPs in order to optimize blood recovery following hematopoietic injury or to rebalance the output of various cell lineages in an aging or deregulated blood system,” Dr Passegué said.

Hematopoietic stem cells

in the bone marrow

Scientists say they have identified a family of multipotent progenitor (MPP) cells that are the first to arise from hematopoietic stem cells (HSCs).

The team said their discovery, published in Cell Stem Cell, raises the possibility that, by manipulating the fates of MPPs or HSCs, researchers could one day help overcome imbalances and deficiencies that can arise in the blood system due to aging or leukemia.

Similar imbalances can render patients vulnerable immediately following HSC transplants, especially following umbilical cord transplants, said study author Emmanuelle Passegué, PhD, of the University of California San Francisco.

Via experiments in mice, Dr Passegué and her colleagues found that HSCs “make educated decisions” when it comes time to differentiate.

“Previously, researchers thought that the developmental paths of daughter cells were randomly specified by the HSC, but we conclude that the HSC normally responds appropriately to signals in the environment, making the different MPPs in parallel, but at different speeds and in different amounts to meet the body’s needs,” Dr Passegué said.

To uncover these findings, she and her colleagues investigated patterns of gene expression and cell signaling that determine which developmental paths are favored when relatively rare HSCs spin off daughter cells. The team also explored HSCs’ responses during transplant.

The researchers found that the first daughter cells that arise from HSCs are already distinct, favoring the development of different specialized cell lineages.

The team identified two types of daughter cells, MPP2 and MPP3, which, under normal conditions, are rare. These cells work together with more common daughter cells, MPP4 cells, to control blood production.

MPP2 cells favor the production of platelets and red blood cells, while MPP3 cells favor production of inflammatory cells.

MPP4 cells are the main producers of lymphocytes that fight specific disease pathogens, but the researchers showed that MPP4 cells can easily be re-educated to make many inflammatory cells when regenerative needs are high, as they are following a transplant.

The team found that, during transplant, regenerating HSCs limit their own self-renewal and instead go to work overproducing MPP2 and MPP3 cells that quickly produce needed red blood cells, platelets, and inflammatory cells. Only later does MPP4 production return to normal, enabling the immune system to replenish lymphocytes.

“It will be compelling to test whether the developmental pathways leading to cell specialization can be manipulated to favor production of specific lineage-biased MPPs in order to optimize blood recovery following hematopoietic injury or to rebalance the output of various cell lineages in an aging or deregulated blood system,” Dr Passegué said.

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Using maternal triglyceride levels as a marker for pregnancy risk

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It is widely known and taught that maternal blood lipid levels increase slightly during pregnancy. Lipid values throughout pregnancy, however, have not been well described, making it difficult to ascertain which changes are normal and which changes may be potentially troubling for the mother and/or the baby.

Similarly, the association between pregnancy outcomes and lipid levels prior to conception and during pregnancy has been studied only minimally. In both areas, more research is needed.

Dr. Arnon Wiznitzer

Yet despite the need for more research, it now appears that the mother’s lipid profile – particularly her triglyceride levels before and during pregnancy – warrants our attention. Results from several clinical studies suggest that elevated maternal triglyceride (TG) levels may be associated with gestational diabetes mellitus (GDM) and preeclampsia. Since these conditions can contribute to the development of peri- and postpartum complications and increase the mother’s risk of developing subsequent type 2 diabetes and systemic hypertension, a mother’s lipid profile – just like her glucose levels – may help us define who is at high risk of pregnancy complications and later adverse effects.

Research findings

In addition to assessing fetal health during pregnancy, ob.gyns. routinely measure and monitor maternal blood pressure, weight gain, and blood sugar, which fluctuate during normal pregnancies.

We have found that lipid levels, notably maternal TG, total cholesterol, and the major particles of high-density lipoproteins (HDLs) and low-density lipoproteins (LDLs) also vary during pregnancy, with a nadir during the first trimester, followed by a gradual increase and a peaking before delivery.

It is well known that severely elevated blood pressure, gestational weight, or glucose can signify a pregnancy at risk for adverse outcomes. However, our research has shown that high levels of TGs, but not the levels of HDLs, LDLs, or total cholesterol, during pregnancy also are associated with an increased risk for preeclampsia and gestational diabetes mellitus (Am. J. Obstet. Gynecol. 2009;201:482.e1-8).

In our study, the rate of preeclampsia or GDM increased with maternal TG level, from 7.2% in women who had the lowest levels (<25th percentile) to 19.8% in women who had the highest levels (>75th percentile).

We found that TG levels in the upper quartile also were associated with a significantly higher risk of preeclampsia, compared with the lower quartile (relative risk, 1.87).

Similarly, among women without diagnosed GDM, those with TG levels in the upper quartile were more likely to have a fasting glucose level of 100 mg/dL or more, compared with the intermediate group (TG level between the 25th and 75th percentiles) and the lower quartile. Women with the highest TG levels also were more likely to have infants classified as large for gestational age.

Our findings are consistent with a review that showed a positive association between elevated maternal TG and the risk of preeclampsia (BJOG 2006;113:379-86), as well as a cohort study that found plasma TG levels in the first trimester were independently and linearly associated with pregnancy-induced hypertension, preeclampsia, and large-for-gestational age (J. Clin. Endocrinol. Metab. 2012;97:3917-25).

Interestingly, the cohort study did not show an association between elevated maternal TG levels, adverse pregnancy outcomes, and body mass index. This suggests that weight gain and TG may be independent risk factors.

In practice

At this point in time, without defined cut-off values and well-tested interventions, there is no recommendation regarding maternal lipid measurement during pregnancy. We have shown, however, that maternal TG levels above 140 mg/dL at 3 months’ gestation and TG levels of 200 mg/dL or more at 6 months’ gestation are very high and may indicate a high-risk pregnancy.

Like all ob.gyns., we advise women before pregnancy to lose weight and to normalize blood glucose levels before attempting to conceive to reduce pregnancy complications, but we also encourage our patients to lower their TG levels. Given the observed associations between higher TG levels and adverse pregnancy outcomes, we now routinely measure maternal lipids as well as blood glucose in our pregnant patients. We also test lipid levels in pregnant women who have other risk factors such as GDM in a prior pregnancy or chronic high blood pressure.

It is possible that lifestyle programs (such as those involving diet, weight reduction, and physical activity) prior to and during pregnancy, with a focus not only on maintaining a healthy weight but also on lowering TG levels, may help to further prevent complications during pregnancy and adverse birth outcomes. Although more research is needed, lowering TGs with cholesterol-reducing drugs also may help improve pregnancy outcomes. Indeed, there is currently a study investigating the pharmacologic treatment of high lipids during pregnancy.

 

 

For now, we should advise our patients who have higher TG levels in pregnancy to improve their diets and levels of physical activity. We also should monitor these patients for the increased likelihood of developing GDM and preeclampsia because higher lipid profiles appear to equate to a higher risk of adverse outcomes.

Finally, our attention to lipid profiles should extend beyond birth, since the long-term risk of cardiovascular disease may be influenced by preeclampsia and potentially by the lipid changes that escalate with the condition.

Dr. Wiznitzer reported having no financial disclosures related to this Master Class.

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It is widely known and taught that maternal blood lipid levels increase slightly during pregnancy. Lipid values throughout pregnancy, however, have not been well described, making it difficult to ascertain which changes are normal and which changes may be potentially troubling for the mother and/or the baby.

Similarly, the association between pregnancy outcomes and lipid levels prior to conception and during pregnancy has been studied only minimally. In both areas, more research is needed.

Dr. Arnon Wiznitzer

Yet despite the need for more research, it now appears that the mother’s lipid profile – particularly her triglyceride levels before and during pregnancy – warrants our attention. Results from several clinical studies suggest that elevated maternal triglyceride (TG) levels may be associated with gestational diabetes mellitus (GDM) and preeclampsia. Since these conditions can contribute to the development of peri- and postpartum complications and increase the mother’s risk of developing subsequent type 2 diabetes and systemic hypertension, a mother’s lipid profile – just like her glucose levels – may help us define who is at high risk of pregnancy complications and later adverse effects.

Research findings

In addition to assessing fetal health during pregnancy, ob.gyns. routinely measure and monitor maternal blood pressure, weight gain, and blood sugar, which fluctuate during normal pregnancies.

We have found that lipid levels, notably maternal TG, total cholesterol, and the major particles of high-density lipoproteins (HDLs) and low-density lipoproteins (LDLs) also vary during pregnancy, with a nadir during the first trimester, followed by a gradual increase and a peaking before delivery.

It is well known that severely elevated blood pressure, gestational weight, or glucose can signify a pregnancy at risk for adverse outcomes. However, our research has shown that high levels of TGs, but not the levels of HDLs, LDLs, or total cholesterol, during pregnancy also are associated with an increased risk for preeclampsia and gestational diabetes mellitus (Am. J. Obstet. Gynecol. 2009;201:482.e1-8).

In our study, the rate of preeclampsia or GDM increased with maternal TG level, from 7.2% in women who had the lowest levels (<25th percentile) to 19.8% in women who had the highest levels (>75th percentile).

We found that TG levels in the upper quartile also were associated with a significantly higher risk of preeclampsia, compared with the lower quartile (relative risk, 1.87).

Similarly, among women without diagnosed GDM, those with TG levels in the upper quartile were more likely to have a fasting glucose level of 100 mg/dL or more, compared with the intermediate group (TG level between the 25th and 75th percentiles) and the lower quartile. Women with the highest TG levels also were more likely to have infants classified as large for gestational age.

Our findings are consistent with a review that showed a positive association between elevated maternal TG and the risk of preeclampsia (BJOG 2006;113:379-86), as well as a cohort study that found plasma TG levels in the first trimester were independently and linearly associated with pregnancy-induced hypertension, preeclampsia, and large-for-gestational age (J. Clin. Endocrinol. Metab. 2012;97:3917-25).

Interestingly, the cohort study did not show an association between elevated maternal TG levels, adverse pregnancy outcomes, and body mass index. This suggests that weight gain and TG may be independent risk factors.

In practice

At this point in time, without defined cut-off values and well-tested interventions, there is no recommendation regarding maternal lipid measurement during pregnancy. We have shown, however, that maternal TG levels above 140 mg/dL at 3 months’ gestation and TG levels of 200 mg/dL or more at 6 months’ gestation are very high and may indicate a high-risk pregnancy.

Like all ob.gyns., we advise women before pregnancy to lose weight and to normalize blood glucose levels before attempting to conceive to reduce pregnancy complications, but we also encourage our patients to lower their TG levels. Given the observed associations between higher TG levels and adverse pregnancy outcomes, we now routinely measure maternal lipids as well as blood glucose in our pregnant patients. We also test lipid levels in pregnant women who have other risk factors such as GDM in a prior pregnancy or chronic high blood pressure.

It is possible that lifestyle programs (such as those involving diet, weight reduction, and physical activity) prior to and during pregnancy, with a focus not only on maintaining a healthy weight but also on lowering TG levels, may help to further prevent complications during pregnancy and adverse birth outcomes. Although more research is needed, lowering TGs with cholesterol-reducing drugs also may help improve pregnancy outcomes. Indeed, there is currently a study investigating the pharmacologic treatment of high lipids during pregnancy.

 

 

For now, we should advise our patients who have higher TG levels in pregnancy to improve their diets and levels of physical activity. We also should monitor these patients for the increased likelihood of developing GDM and preeclampsia because higher lipid profiles appear to equate to a higher risk of adverse outcomes.

Finally, our attention to lipid profiles should extend beyond birth, since the long-term risk of cardiovascular disease may be influenced by preeclampsia and potentially by the lipid changes that escalate with the condition.

Dr. Wiznitzer reported having no financial disclosures related to this Master Class.

It is widely known and taught that maternal blood lipid levels increase slightly during pregnancy. Lipid values throughout pregnancy, however, have not been well described, making it difficult to ascertain which changes are normal and which changes may be potentially troubling for the mother and/or the baby.

Similarly, the association between pregnancy outcomes and lipid levels prior to conception and during pregnancy has been studied only minimally. In both areas, more research is needed.

Dr. Arnon Wiznitzer

Yet despite the need for more research, it now appears that the mother’s lipid profile – particularly her triglyceride levels before and during pregnancy – warrants our attention. Results from several clinical studies suggest that elevated maternal triglyceride (TG) levels may be associated with gestational diabetes mellitus (GDM) and preeclampsia. Since these conditions can contribute to the development of peri- and postpartum complications and increase the mother’s risk of developing subsequent type 2 diabetes and systemic hypertension, a mother’s lipid profile – just like her glucose levels – may help us define who is at high risk of pregnancy complications and later adverse effects.

Research findings

In addition to assessing fetal health during pregnancy, ob.gyns. routinely measure and monitor maternal blood pressure, weight gain, and blood sugar, which fluctuate during normal pregnancies.

We have found that lipid levels, notably maternal TG, total cholesterol, and the major particles of high-density lipoproteins (HDLs) and low-density lipoproteins (LDLs) also vary during pregnancy, with a nadir during the first trimester, followed by a gradual increase and a peaking before delivery.

It is well known that severely elevated blood pressure, gestational weight, or glucose can signify a pregnancy at risk for adverse outcomes. However, our research has shown that high levels of TGs, but not the levels of HDLs, LDLs, or total cholesterol, during pregnancy also are associated with an increased risk for preeclampsia and gestational diabetes mellitus (Am. J. Obstet. Gynecol. 2009;201:482.e1-8).

In our study, the rate of preeclampsia or GDM increased with maternal TG level, from 7.2% in women who had the lowest levels (<25th percentile) to 19.8% in women who had the highest levels (>75th percentile).

We found that TG levels in the upper quartile also were associated with a significantly higher risk of preeclampsia, compared with the lower quartile (relative risk, 1.87).

Similarly, among women without diagnosed GDM, those with TG levels in the upper quartile were more likely to have a fasting glucose level of 100 mg/dL or more, compared with the intermediate group (TG level between the 25th and 75th percentiles) and the lower quartile. Women with the highest TG levels also were more likely to have infants classified as large for gestational age.

Our findings are consistent with a review that showed a positive association between elevated maternal TG and the risk of preeclampsia (BJOG 2006;113:379-86), as well as a cohort study that found plasma TG levels in the first trimester were independently and linearly associated with pregnancy-induced hypertension, preeclampsia, and large-for-gestational age (J. Clin. Endocrinol. Metab. 2012;97:3917-25).

Interestingly, the cohort study did not show an association between elevated maternal TG levels, adverse pregnancy outcomes, and body mass index. This suggests that weight gain and TG may be independent risk factors.

In practice

At this point in time, without defined cut-off values and well-tested interventions, there is no recommendation regarding maternal lipid measurement during pregnancy. We have shown, however, that maternal TG levels above 140 mg/dL at 3 months’ gestation and TG levels of 200 mg/dL or more at 6 months’ gestation are very high and may indicate a high-risk pregnancy.

Like all ob.gyns., we advise women before pregnancy to lose weight and to normalize blood glucose levels before attempting to conceive to reduce pregnancy complications, but we also encourage our patients to lower their TG levels. Given the observed associations between higher TG levels and adverse pregnancy outcomes, we now routinely measure maternal lipids as well as blood glucose in our pregnant patients. We also test lipid levels in pregnant women who have other risk factors such as GDM in a prior pregnancy or chronic high blood pressure.

It is possible that lifestyle programs (such as those involving diet, weight reduction, and physical activity) prior to and during pregnancy, with a focus not only on maintaining a healthy weight but also on lowering TG levels, may help to further prevent complications during pregnancy and adverse birth outcomes. Although more research is needed, lowering TGs with cholesterol-reducing drugs also may help improve pregnancy outcomes. Indeed, there is currently a study investigating the pharmacologic treatment of high lipids during pregnancy.

 

 

For now, we should advise our patients who have higher TG levels in pregnancy to improve their diets and levels of physical activity. We also should monitor these patients for the increased likelihood of developing GDM and preeclampsia because higher lipid profiles appear to equate to a higher risk of adverse outcomes.

Finally, our attention to lipid profiles should extend beyond birth, since the long-term risk of cardiovascular disease may be influenced by preeclampsia and potentially by the lipid changes that escalate with the condition.

Dr. Wiznitzer reported having no financial disclosures related to this Master Class.

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Best lipid levels in pregnancy still unclear

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As ob.gyns., we often focus on optimizing our patients’ reproductive health. Research has shown, however, that the condition of a woman’s health prior to conception can be just as – if not more – important to her pregnancy and her lifelong well-being. For example, we have established that women who take the daily recommended dose of folic acid (400 mcg), even outside of pregnancy, have a reduced risk for neural tube defects in their infants.

Last year, we devoted a series of Master Class columns to the crucial need to properly manage maternal weight gain and blood sugar levels before, during, and after gestation to improve pregnancy outcomes. We also have seen that intensive glycemic and weight control in women can reduce their risk of fetal and maternal complications.

Dr. E. Albert Reece

However, the leading causes of morbidity and mortality remain cardiovascular diseases, both in the developing and developed world. One of the key contributors to poor heart and vascular health is high cholesterol. Although the body needs cholesterol, just as it needs sugar, excess lipids in the blood can lead to infarction and stroke.

According to the U.S. Centers for Disease Control and Prevention, the desirable total cholesterol levels, including low- and high-density lipids and triglycerides, for men and nonpregnant women fall below 200 mg/dL. What remain less clear are the desired lipid levels for pregnant women.

We have known for decades that cholesterol concentrations increase during pregnancy, possibly by as much as 50%. We do not, however, have a firm understanding of what may constitute normally higher lipid concentrations and what may signal risk to the health of the baby or mother. Additionally, while we may run a lipid panel when we order a blood test, ob.gyns. do not routinely monitor a women’s cholesterol.

Since excess lipids, obesity, and heart disease often occur in the same patient and have become increasingly prevalent in our society, it may be time to reexamine any correlations between maternal lipid levels and adverse pregnancy outcomes.

To comment on this reemerging area, we invited Dr. Arnon Wiznitzer, professor and chairman of the department of obstetrics and gynecology at Helen Schneider Hospital for Women and deputy director of the Rabin Medical Center, Sackler Faculty of Medicine, Tel Aviv University. Dr. Wiznitzer’s extensive experience working with women who have diabetes in pregnancy led him to examine other comorbidities, including lipids, which might confound good pregnancy outcomes.

Dr. Reece, who specializes in maternal-fetal medicine, is vice president for medical affairs at the University of Maryland, Baltimore, as well as the John Z. and Akiko K. Bowers Distinguished Professor and dean of the school of medicine. Dr. Reece said he had no relevant financial disclosures. He is the medical editor of this column. Contact him at [email protected].

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As ob.gyns., we often focus on optimizing our patients’ reproductive health. Research has shown, however, that the condition of a woman’s health prior to conception can be just as – if not more – important to her pregnancy and her lifelong well-being. For example, we have established that women who take the daily recommended dose of folic acid (400 mcg), even outside of pregnancy, have a reduced risk for neural tube defects in their infants.

Last year, we devoted a series of Master Class columns to the crucial need to properly manage maternal weight gain and blood sugar levels before, during, and after gestation to improve pregnancy outcomes. We also have seen that intensive glycemic and weight control in women can reduce their risk of fetal and maternal complications.

Dr. E. Albert Reece

However, the leading causes of morbidity and mortality remain cardiovascular diseases, both in the developing and developed world. One of the key contributors to poor heart and vascular health is high cholesterol. Although the body needs cholesterol, just as it needs sugar, excess lipids in the blood can lead to infarction and stroke.

According to the U.S. Centers for Disease Control and Prevention, the desirable total cholesterol levels, including low- and high-density lipids and triglycerides, for men and nonpregnant women fall below 200 mg/dL. What remain less clear are the desired lipid levels for pregnant women.

We have known for decades that cholesterol concentrations increase during pregnancy, possibly by as much as 50%. We do not, however, have a firm understanding of what may constitute normally higher lipid concentrations and what may signal risk to the health of the baby or mother. Additionally, while we may run a lipid panel when we order a blood test, ob.gyns. do not routinely monitor a women’s cholesterol.

Since excess lipids, obesity, and heart disease often occur in the same patient and have become increasingly prevalent in our society, it may be time to reexamine any correlations between maternal lipid levels and adverse pregnancy outcomes.

To comment on this reemerging area, we invited Dr. Arnon Wiznitzer, professor and chairman of the department of obstetrics and gynecology at Helen Schneider Hospital for Women and deputy director of the Rabin Medical Center, Sackler Faculty of Medicine, Tel Aviv University. Dr. Wiznitzer’s extensive experience working with women who have diabetes in pregnancy led him to examine other comorbidities, including lipids, which might confound good pregnancy outcomes.

Dr. Reece, who specializes in maternal-fetal medicine, is vice president for medical affairs at the University of Maryland, Baltimore, as well as the John Z. and Akiko K. Bowers Distinguished Professor and dean of the school of medicine. Dr. Reece said he had no relevant financial disclosures. He is the medical editor of this column. Contact him at [email protected].

As ob.gyns., we often focus on optimizing our patients’ reproductive health. Research has shown, however, that the condition of a woman’s health prior to conception can be just as – if not more – important to her pregnancy and her lifelong well-being. For example, we have established that women who take the daily recommended dose of folic acid (400 mcg), even outside of pregnancy, have a reduced risk for neural tube defects in their infants.

Last year, we devoted a series of Master Class columns to the crucial need to properly manage maternal weight gain and blood sugar levels before, during, and after gestation to improve pregnancy outcomes. We also have seen that intensive glycemic and weight control in women can reduce their risk of fetal and maternal complications.

Dr. E. Albert Reece

However, the leading causes of morbidity and mortality remain cardiovascular diseases, both in the developing and developed world. One of the key contributors to poor heart and vascular health is high cholesterol. Although the body needs cholesterol, just as it needs sugar, excess lipids in the blood can lead to infarction and stroke.

According to the U.S. Centers for Disease Control and Prevention, the desirable total cholesterol levels, including low- and high-density lipids and triglycerides, for men and nonpregnant women fall below 200 mg/dL. What remain less clear are the desired lipid levels for pregnant women.

We have known for decades that cholesterol concentrations increase during pregnancy, possibly by as much as 50%. We do not, however, have a firm understanding of what may constitute normally higher lipid concentrations and what may signal risk to the health of the baby or mother. Additionally, while we may run a lipid panel when we order a blood test, ob.gyns. do not routinely monitor a women’s cholesterol.

Since excess lipids, obesity, and heart disease often occur in the same patient and have become increasingly prevalent in our society, it may be time to reexamine any correlations between maternal lipid levels and adverse pregnancy outcomes.

To comment on this reemerging area, we invited Dr. Arnon Wiznitzer, professor and chairman of the department of obstetrics and gynecology at Helen Schneider Hospital for Women and deputy director of the Rabin Medical Center, Sackler Faculty of Medicine, Tel Aviv University. Dr. Wiznitzer’s extensive experience working with women who have diabetes in pregnancy led him to examine other comorbidities, including lipids, which might confound good pregnancy outcomes.

Dr. Reece, who specializes in maternal-fetal medicine, is vice president for medical affairs at the University of Maryland, Baltimore, as well as the John Z. and Akiko K. Bowers Distinguished Professor and dean of the school of medicine. Dr. Reece said he had no relevant financial disclosures. He is the medical editor of this column. Contact him at [email protected].

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