Losmapimod failed to beat placebo in acute MI trial

Article Type
Changed
Fri, 01/18/2019 - 15:49
Display Headline
Losmapimod failed to beat placebo in acute MI trial

Twelve weeks of treatment with the anti-inflammatory drug losmapimod did not prevent cardiovascular death, myocardial infarction, or severe recurrent ischemia in patients hospitalized with acute MI, based on the results of LATITUDE-TIMI 60, a multicenter placebo-controlled phase 3 trial.

Losmapimod also did not significantly affect secondary outcomes such as all-cause mortality, said Dr. Michelle O’Donoghue at Brigham and Women’s Hospital in Boston and her associates.

“The results of this exploratory efficacy study did not justify proceeding to a larger efficacy trial in the existing patient population,” they concluded at the annual meeting of the American College of Cardiology and in a report published online April 4 in JAMA.

Losmapimod selectively inhibits pro-inflammatory p38 mitogen-activated protein kinase, which contributes to atherosclerosis and plaque destabilization and is activated by stressors such as oxidized low-density lipoprotein cholesterol, hypertension, ischemia, and volume overload. In a prior 12-week phase 2 study, losmapimod failed to reduce inflammatory biomarker levels or myonecrosis, but showed a trend toward lower rates of mortality, MI, recurrent ischemia, stroke, and heart failure, as well as improved left ventricular function.

Based on those observations, Dr. O’Donoghue and her associates randomly assigned 3,503 hospitalized patients with acute MI and at least one other cardiovascular risk factor to receive either losmapimod (7.5 mg twice daily) or placebo, along with guideline-recommended therapy for 12 weeks. Patients averaged 66 years old, about 90% were white, and about 30% were women. The primary endpoint was a composite of cardiovascular death, MI, or severe recurrent ischemia requiring urgent coronary revascularization (JAMA 2016 April 4 doi: 10.1001/jama.2016.3609).

The endpoint was met for 139 (8.1%) losmapimod patients and 123 (7%) placebo patients, for a non-significant hazard ratio of 1.16, said the researchers. Losmapimod was, however, associated with significant decreases in levels of high-sensitivity C-reactive protein and N-terminal pro-brain natriuretic peptide as compared with placebo, with durable effects at 12 weeks. Serious adverse events affected 16% of losmapimod patients and 14% of placebo patients, and rates of premature treatment discontinuation were 15.5% with losmapimod and nearly 14% with placebo. Losmapimod did not appear to increase the risk of infections compared with placebo at week 12, but did show a non-significant trend toward mildly increased hepatic transaminases.

“Because inflammation is believed to play a key role in atherogenesis, there remains intense interest to identify an anti-inflammatory therapeutic that will reduce the risk of cardiovascular events,” the researchers noted. “However, because inflammation acts along multiple redundant and interconnected pathways, the identification of an appropriate target may be difficult, and it is challenging to predict clinical efficacy prior to phase 3 testing. Ongoing clinical trials are currently evaluating additional anti-inflammatory therapeutics in patients with atherosclerosis, and will provide further insight into pathways that contribute to vascular disease.”

Pharmacodynamic data on losmapimod do not suggest that its anti-inflammatory effects increase at higher doses, the researchers also noted.

GlaxoSmithKline developed losmapimod and funded the study. Dr. O’Donoghue reported grant funding from Eisai, Merck, and AstraZeneca. The senior author and several coinvestigators disclosed relationships with numerous pharmaceutical companies.

References

Meeting/Event
Author and Disclosure Information

Publications
Topics
Sections
Author and Disclosure Information

Author and Disclosure Information

Meeting/Event
Meeting/Event

Twelve weeks of treatment with the anti-inflammatory drug losmapimod did not prevent cardiovascular death, myocardial infarction, or severe recurrent ischemia in patients hospitalized with acute MI, based on the results of LATITUDE-TIMI 60, a multicenter placebo-controlled phase 3 trial.

Losmapimod also did not significantly affect secondary outcomes such as all-cause mortality, said Dr. Michelle O’Donoghue at Brigham and Women’s Hospital in Boston and her associates.

“The results of this exploratory efficacy study did not justify proceeding to a larger efficacy trial in the existing patient population,” they concluded at the annual meeting of the American College of Cardiology and in a report published online April 4 in JAMA.

Losmapimod selectively inhibits pro-inflammatory p38 mitogen-activated protein kinase, which contributes to atherosclerosis and plaque destabilization and is activated by stressors such as oxidized low-density lipoprotein cholesterol, hypertension, ischemia, and volume overload. In a prior 12-week phase 2 study, losmapimod failed to reduce inflammatory biomarker levels or myonecrosis, but showed a trend toward lower rates of mortality, MI, recurrent ischemia, stroke, and heart failure, as well as improved left ventricular function.

Based on those observations, Dr. O’Donoghue and her associates randomly assigned 3,503 hospitalized patients with acute MI and at least one other cardiovascular risk factor to receive either losmapimod (7.5 mg twice daily) or placebo, along with guideline-recommended therapy for 12 weeks. Patients averaged 66 years old, about 90% were white, and about 30% were women. The primary endpoint was a composite of cardiovascular death, MI, or severe recurrent ischemia requiring urgent coronary revascularization (JAMA 2016 April 4 doi: 10.1001/jama.2016.3609).

The endpoint was met for 139 (8.1%) losmapimod patients and 123 (7%) placebo patients, for a non-significant hazard ratio of 1.16, said the researchers. Losmapimod was, however, associated with significant decreases in levels of high-sensitivity C-reactive protein and N-terminal pro-brain natriuretic peptide as compared with placebo, with durable effects at 12 weeks. Serious adverse events affected 16% of losmapimod patients and 14% of placebo patients, and rates of premature treatment discontinuation were 15.5% with losmapimod and nearly 14% with placebo. Losmapimod did not appear to increase the risk of infections compared with placebo at week 12, but did show a non-significant trend toward mildly increased hepatic transaminases.

“Because inflammation is believed to play a key role in atherogenesis, there remains intense interest to identify an anti-inflammatory therapeutic that will reduce the risk of cardiovascular events,” the researchers noted. “However, because inflammation acts along multiple redundant and interconnected pathways, the identification of an appropriate target may be difficult, and it is challenging to predict clinical efficacy prior to phase 3 testing. Ongoing clinical trials are currently evaluating additional anti-inflammatory therapeutics in patients with atherosclerosis, and will provide further insight into pathways that contribute to vascular disease.”

Pharmacodynamic data on losmapimod do not suggest that its anti-inflammatory effects increase at higher doses, the researchers also noted.

GlaxoSmithKline developed losmapimod and funded the study. Dr. O’Donoghue reported grant funding from Eisai, Merck, and AstraZeneca. The senior author and several coinvestigators disclosed relationships with numerous pharmaceutical companies.

Twelve weeks of treatment with the anti-inflammatory drug losmapimod did not prevent cardiovascular death, myocardial infarction, or severe recurrent ischemia in patients hospitalized with acute MI, based on the results of LATITUDE-TIMI 60, a multicenter placebo-controlled phase 3 trial.

Losmapimod also did not significantly affect secondary outcomes such as all-cause mortality, said Dr. Michelle O’Donoghue at Brigham and Women’s Hospital in Boston and her associates.

“The results of this exploratory efficacy study did not justify proceeding to a larger efficacy trial in the existing patient population,” they concluded at the annual meeting of the American College of Cardiology and in a report published online April 4 in JAMA.

Losmapimod selectively inhibits pro-inflammatory p38 mitogen-activated protein kinase, which contributes to atherosclerosis and plaque destabilization and is activated by stressors such as oxidized low-density lipoprotein cholesterol, hypertension, ischemia, and volume overload. In a prior 12-week phase 2 study, losmapimod failed to reduce inflammatory biomarker levels or myonecrosis, but showed a trend toward lower rates of mortality, MI, recurrent ischemia, stroke, and heart failure, as well as improved left ventricular function.

Based on those observations, Dr. O’Donoghue and her associates randomly assigned 3,503 hospitalized patients with acute MI and at least one other cardiovascular risk factor to receive either losmapimod (7.5 mg twice daily) or placebo, along with guideline-recommended therapy for 12 weeks. Patients averaged 66 years old, about 90% were white, and about 30% were women. The primary endpoint was a composite of cardiovascular death, MI, or severe recurrent ischemia requiring urgent coronary revascularization (JAMA 2016 April 4 doi: 10.1001/jama.2016.3609).

The endpoint was met for 139 (8.1%) losmapimod patients and 123 (7%) placebo patients, for a non-significant hazard ratio of 1.16, said the researchers. Losmapimod was, however, associated with significant decreases in levels of high-sensitivity C-reactive protein and N-terminal pro-brain natriuretic peptide as compared with placebo, with durable effects at 12 weeks. Serious adverse events affected 16% of losmapimod patients and 14% of placebo patients, and rates of premature treatment discontinuation were 15.5% with losmapimod and nearly 14% with placebo. Losmapimod did not appear to increase the risk of infections compared with placebo at week 12, but did show a non-significant trend toward mildly increased hepatic transaminases.

“Because inflammation is believed to play a key role in atherogenesis, there remains intense interest to identify an anti-inflammatory therapeutic that will reduce the risk of cardiovascular events,” the researchers noted. “However, because inflammation acts along multiple redundant and interconnected pathways, the identification of an appropriate target may be difficult, and it is challenging to predict clinical efficacy prior to phase 3 testing. Ongoing clinical trials are currently evaluating additional anti-inflammatory therapeutics in patients with atherosclerosis, and will provide further insight into pathways that contribute to vascular disease.”

Pharmacodynamic data on losmapimod do not suggest that its anti-inflammatory effects increase at higher doses, the researchers also noted.

GlaxoSmithKline developed losmapimod and funded the study. Dr. O’Donoghue reported grant funding from Eisai, Merck, and AstraZeneca. The senior author and several coinvestigators disclosed relationships with numerous pharmaceutical companies.

References

References

Publications
Publications
Topics
Article Type
Display Headline
Losmapimod failed to beat placebo in acute MI trial
Display Headline
Losmapimod failed to beat placebo in acute MI trial
Sections
Article Source

FROM ACC 16

PURLs Copyright

Inside the Article

Vitals

Key clinical point: The anti-inflammatory drug losmapimod missed its composite primary endpoint in a phase 3 study of patients with acute myocardial infarction.

Major finding: At week 12, there was no significant effect on cardiovascular death, MI, or severe recurrent ischemia requiring urgent coronary revascularization.

Data source: A multicenter randomized phase 3 trial of 3,503 hospitalized adults with acute MI and at least one other cardiovascular risk factor.

Disclosures: GlaxoSmithKline developed losmapimod and funded the study. Dr. O’Donoghue reported grant funding from Eisai, Merck, and AstraZeneca. The senior author and several coinvestigators disclosed relationships with numerous pharmaceutical companies.

VIDEO: STICHES trial update boosts CABG in ischemic cardiomyopathy

Article Type
Changed
Fri, 01/18/2019 - 15:49
Display Headline
VIDEO: STICHES trial update boosts CABG in ischemic cardiomyopathy

CHICAGO – The results of the Surgical Treatment for Ischemic Heart Failure Extension Study (STICHES) presented at the annual meeting of the American College of Cardiology ought to change the clinical management of patients with coronary artery disease and heart failure with severe left ventricular dysfunction, according to Dr. Robert O. Bonow.

STICHES is the 10-year follow-up of 1,212 such patients who were randomized to coronary artery bypass graft surgery plus optimal guideline-directed medical therapy or to the medical therapy alone. At 10 years, the CABG group showed a significant survival advantage: an all-cause mortality rate of 58.9%, a significant 16% relative risk reduction compared with the 66.1% rate in the medically managed group. Secondary endpoints were also strongly in favor of the CABG group.

These findings indicate CABG is beneficial in patients with ischemic cardiomyopathy, and patients deserve to be so informed, according to Dr. Bonow, a member of the STICHES publication committee and professor of cardiology and director of the Center for Cardiovascular Innovation at Northwestern University in Chicago, who discussed the findings in this video interview.

He reported having no financial conflicts regarding this National Institutes of Health–funded study.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

References

Meeting/Event
Author and Disclosure Information

Publications
Topics
Legacy Keywords
STICHES, ischemic cardiomyopathy, CABG
Sections
Author and Disclosure Information

Author and Disclosure Information

Meeting/Event
Meeting/Event

CHICAGO – The results of the Surgical Treatment for Ischemic Heart Failure Extension Study (STICHES) presented at the annual meeting of the American College of Cardiology ought to change the clinical management of patients with coronary artery disease and heart failure with severe left ventricular dysfunction, according to Dr. Robert O. Bonow.

STICHES is the 10-year follow-up of 1,212 such patients who were randomized to coronary artery bypass graft surgery plus optimal guideline-directed medical therapy or to the medical therapy alone. At 10 years, the CABG group showed a significant survival advantage: an all-cause mortality rate of 58.9%, a significant 16% relative risk reduction compared with the 66.1% rate in the medically managed group. Secondary endpoints were also strongly in favor of the CABG group.

These findings indicate CABG is beneficial in patients with ischemic cardiomyopathy, and patients deserve to be so informed, according to Dr. Bonow, a member of the STICHES publication committee and professor of cardiology and director of the Center for Cardiovascular Innovation at Northwestern University in Chicago, who discussed the findings in this video interview.

He reported having no financial conflicts regarding this National Institutes of Health–funded study.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

CHICAGO – The results of the Surgical Treatment for Ischemic Heart Failure Extension Study (STICHES) presented at the annual meeting of the American College of Cardiology ought to change the clinical management of patients with coronary artery disease and heart failure with severe left ventricular dysfunction, according to Dr. Robert O. Bonow.

STICHES is the 10-year follow-up of 1,212 such patients who were randomized to coronary artery bypass graft surgery plus optimal guideline-directed medical therapy or to the medical therapy alone. At 10 years, the CABG group showed a significant survival advantage: an all-cause mortality rate of 58.9%, a significant 16% relative risk reduction compared with the 66.1% rate in the medically managed group. Secondary endpoints were also strongly in favor of the CABG group.

These findings indicate CABG is beneficial in patients with ischemic cardiomyopathy, and patients deserve to be so informed, according to Dr. Bonow, a member of the STICHES publication committee and professor of cardiology and director of the Center for Cardiovascular Innovation at Northwestern University in Chicago, who discussed the findings in this video interview.

He reported having no financial conflicts regarding this National Institutes of Health–funded study.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

References

References

Publications
Publications
Topics
Article Type
Display Headline
VIDEO: STICHES trial update boosts CABG in ischemic cardiomyopathy
Display Headline
VIDEO: STICHES trial update boosts CABG in ischemic cardiomyopathy
Legacy Keywords
STICHES, ischemic cardiomyopathy, CABG
Legacy Keywords
STICHES, ischemic cardiomyopathy, CABG
Sections
Article Source

AT ACC 16

PURLs Copyright

Inside the Article

VIDEO: STICHES trial update boosts CABG in ischemic cardiomyopathy

Article Type
Changed
Fri, 01/18/2019 - 15:49
Display Headline
VIDEO: STICHES trial update boosts CABG in ischemic cardiomyopathy

CHICAGO – The results of the Surgical Treatment for Ischemic Heart Failure Extension Study (STICHES) presented at the annual meeting of the American College of Cardiology ought to change the clinical management of patients with coronary artery disease and heart failure with severe left ventricular dysfunction, according to Dr. Robert O. Bonow.

STICHES is the 10-year follow-up of 1,212 such patients who were randomized to coronary artery bypass graft surgery plus optimal guideline-directed medical therapy or to the medical therapy alone. At 10 years, the CABG group showed a significant survival advantage: an all-cause mortality rate of 58.9%, a significant 16% relative risk reduction compared with the 66.1% rate in the medically managed group. Secondary endpoints were also strongly in favor of the CABG group.

These findings indicate CABG is beneficial in patients with ischemic cardiomyopathy, and patients deserve to be so informed, according to Dr. Bonow, a member of the STICHES publication committee and professor of cardiology and director of the Center for Cardiovascular Innovation at Northwestern University in Chicago, who discussed the findings in this video interview.

He reported having no financial conflicts regarding this National Institutes of Health–funded study.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

References

Meeting/Event
Author and Disclosure Information

Publications
Topics
Legacy Keywords
STICHES, ischemic cardiomyopathy, CABG
Sections
Author and Disclosure Information

Author and Disclosure Information

Meeting/Event
Meeting/Event

CHICAGO – The results of the Surgical Treatment for Ischemic Heart Failure Extension Study (STICHES) presented at the annual meeting of the American College of Cardiology ought to change the clinical management of patients with coronary artery disease and heart failure with severe left ventricular dysfunction, according to Dr. Robert O. Bonow.

STICHES is the 10-year follow-up of 1,212 such patients who were randomized to coronary artery bypass graft surgery plus optimal guideline-directed medical therapy or to the medical therapy alone. At 10 years, the CABG group showed a significant survival advantage: an all-cause mortality rate of 58.9%, a significant 16% relative risk reduction compared with the 66.1% rate in the medically managed group. Secondary endpoints were also strongly in favor of the CABG group.

These findings indicate CABG is beneficial in patients with ischemic cardiomyopathy, and patients deserve to be so informed, according to Dr. Bonow, a member of the STICHES publication committee and professor of cardiology and director of the Center for Cardiovascular Innovation at Northwestern University in Chicago, who discussed the findings in this video interview.

He reported having no financial conflicts regarding this National Institutes of Health–funded study.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

CHICAGO – The results of the Surgical Treatment for Ischemic Heart Failure Extension Study (STICHES) presented at the annual meeting of the American College of Cardiology ought to change the clinical management of patients with coronary artery disease and heart failure with severe left ventricular dysfunction, according to Dr. Robert O. Bonow.

STICHES is the 10-year follow-up of 1,212 such patients who were randomized to coronary artery bypass graft surgery plus optimal guideline-directed medical therapy or to the medical therapy alone. At 10 years, the CABG group showed a significant survival advantage: an all-cause mortality rate of 58.9%, a significant 16% relative risk reduction compared with the 66.1% rate in the medically managed group. Secondary endpoints were also strongly in favor of the CABG group.

These findings indicate CABG is beneficial in patients with ischemic cardiomyopathy, and patients deserve to be so informed, according to Dr. Bonow, a member of the STICHES publication committee and professor of cardiology and director of the Center for Cardiovascular Innovation at Northwestern University in Chicago, who discussed the findings in this video interview.

He reported having no financial conflicts regarding this National Institutes of Health–funded study.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

References

References

Publications
Publications
Topics
Article Type
Display Headline
VIDEO: STICHES trial update boosts CABG in ischemic cardiomyopathy
Display Headline
VIDEO: STICHES trial update boosts CABG in ischemic cardiomyopathy
Legacy Keywords
STICHES, ischemic cardiomyopathy, CABG
Legacy Keywords
STICHES, ischemic cardiomyopathy, CABG
Sections
Article Source

AT ACC 16

PURLs Copyright

Inside the Article

Adding mitral valve repair to CABG found risky, with limited benefits

Article Type
Changed
Wed, 01/02/2019 - 09:32
Display Headline
Adding mitral valve repair to CABG found risky, with limited benefits

In patients with moderate ischemic mitral regurgitation, adding mitral valve repair to coronary artery bypass graft did not significantly affect the extent of left ventricular remodeling at 2 years, according to a randomized multicenter trial.

Compared with revascularization alone, the combined procedure was associated with a two-thirds lower rate of moderate to severe mitral regurgitation at the end of year 2, reported Dr. Robert Michler at Albert Einstein College of Medicine, New York, together with his associates. But improved durability did not translate to better survival or lower rates of major adverse cardiac and cerebrovascular events, heart failure, or hospital readmissions, they said. Furthermore, adding mitral valve repair to CABG was linked to higher rates of postoperative neurologic events and supraventricular arrhythmias than for CABG alone, the investigators reported at the annual meeting of the American College of Cardiology and simultaneously online April 3 in the New England Journal of Medicine.

Dr. Robert Michler

Surgeons have debated whether to add restrictive mitral annuloplasty to CABG in patients with moderate ischemic mitral regurgitation. The combined approach requires open-heart exposure and longer aortic cross-clamping and cardiopulmonary bypass time, all of which increase perioperative risk, the researchers noted. To explore the risk-benefit balance of these approaches, they randomly assigned 301 patients to either revascularization alone or to the combined procedure, and assessed clinical and echocardiographic outcomes over 2 years (New Engl. J. Med. 2016 April 3 doi: 10.1056/NEJMoa1602003).

At year 1, the arms resembled each other in terms of survival, rates of major adverse cardiac or cerebrovascular events (MACCEs), and left ventricular reverse remodeling, as measured by left ventricular end-systolic volume index (LVESVI), said the investigators. At year 2, the extent of remodeling remained similar between the arms, with mean LVESVIs of 41.2 mL (standard deviation, 20.0 mL) per square meter of body surface area in the CABG-only group and 43.2 mL (SD, 20.6 mL) in the combined procedure group, for a mean decrease from baseline of 14.1 and 14.6 mL, respectively. About two-thirds of improvements in LVESI occurred during year 1 regardless of procedure type, the researchers noted.

About a third of CABG-only patients had moderate to severe mitral regurgitation at 2 years, compared with only 11% of patients who underwent the combined procedure (P less than .001). Patients who had mild or no mitral regurgitation had more than twice the percentage improvement in the global wall motion index and in the inferior-posterior-lateral regional wall motion score, compared with patients with moderate to severe regurgitation. Although both groups improved on several quality-of-life indices, the combined-procedure group scored more than 5 points higher on the Duke Activity Status Index, which measures self-reported exercise capacity. That difference was not only clinically meaningful, but resembled the increase in peak myocardial oxygen consumption in a similar, smaller trial (New Engl. J. Med. 2016 Jan. 28 doi: 10.1056/NEJMoa151291), the investigators noted.

However, mortality rates were similar between the arms at 2 years – 10.6% for CABG only and 10% for the combined procedure, for a non-significant hazard ratio of 0.9. Likewise, rates of heart failure and other serious adverse events were similar between the arms, while the combined-procedure arm had more than three times more postoperative neurologic events and more than twice as many occurrences of supraventricular arrhythmia. Therefore, treatment choice requires “balancing the risks of adverse perioperative events against the uncertain benefits of a lower incidence of postoperative moderate or severe mitral regurgitation,” said the researchers. “Effective revascularization, as reflected in improved regional and global left ventricular function, plays an important role independent of mitral valve repair.”

The National Institutes of Health and the Canadian Institutes of Health Research funded the study. Disclosures were reported separately at nejm.org.

References

Meeting/Event
Author and Disclosure Information

Publications
Topics
Sections
Author and Disclosure Information

Author and Disclosure Information

Meeting/Event
Meeting/Event

In patients with moderate ischemic mitral regurgitation, adding mitral valve repair to coronary artery bypass graft did not significantly affect the extent of left ventricular remodeling at 2 years, according to a randomized multicenter trial.

Compared with revascularization alone, the combined procedure was associated with a two-thirds lower rate of moderate to severe mitral regurgitation at the end of year 2, reported Dr. Robert Michler at Albert Einstein College of Medicine, New York, together with his associates. But improved durability did not translate to better survival or lower rates of major adverse cardiac and cerebrovascular events, heart failure, or hospital readmissions, they said. Furthermore, adding mitral valve repair to CABG was linked to higher rates of postoperative neurologic events and supraventricular arrhythmias than for CABG alone, the investigators reported at the annual meeting of the American College of Cardiology and simultaneously online April 3 in the New England Journal of Medicine.

Dr. Robert Michler

Surgeons have debated whether to add restrictive mitral annuloplasty to CABG in patients with moderate ischemic mitral regurgitation. The combined approach requires open-heart exposure and longer aortic cross-clamping and cardiopulmonary bypass time, all of which increase perioperative risk, the researchers noted. To explore the risk-benefit balance of these approaches, they randomly assigned 301 patients to either revascularization alone or to the combined procedure, and assessed clinical and echocardiographic outcomes over 2 years (New Engl. J. Med. 2016 April 3 doi: 10.1056/NEJMoa1602003).

At year 1, the arms resembled each other in terms of survival, rates of major adverse cardiac or cerebrovascular events (MACCEs), and left ventricular reverse remodeling, as measured by left ventricular end-systolic volume index (LVESVI), said the investigators. At year 2, the extent of remodeling remained similar between the arms, with mean LVESVIs of 41.2 mL (standard deviation, 20.0 mL) per square meter of body surface area in the CABG-only group and 43.2 mL (SD, 20.6 mL) in the combined procedure group, for a mean decrease from baseline of 14.1 and 14.6 mL, respectively. About two-thirds of improvements in LVESI occurred during year 1 regardless of procedure type, the researchers noted.

About a third of CABG-only patients had moderate to severe mitral regurgitation at 2 years, compared with only 11% of patients who underwent the combined procedure (P less than .001). Patients who had mild or no mitral regurgitation had more than twice the percentage improvement in the global wall motion index and in the inferior-posterior-lateral regional wall motion score, compared with patients with moderate to severe regurgitation. Although both groups improved on several quality-of-life indices, the combined-procedure group scored more than 5 points higher on the Duke Activity Status Index, which measures self-reported exercise capacity. That difference was not only clinically meaningful, but resembled the increase in peak myocardial oxygen consumption in a similar, smaller trial (New Engl. J. Med. 2016 Jan. 28 doi: 10.1056/NEJMoa151291), the investigators noted.

However, mortality rates were similar between the arms at 2 years – 10.6% for CABG only and 10% for the combined procedure, for a non-significant hazard ratio of 0.9. Likewise, rates of heart failure and other serious adverse events were similar between the arms, while the combined-procedure arm had more than three times more postoperative neurologic events and more than twice as many occurrences of supraventricular arrhythmia. Therefore, treatment choice requires “balancing the risks of adverse perioperative events against the uncertain benefits of a lower incidence of postoperative moderate or severe mitral regurgitation,” said the researchers. “Effective revascularization, as reflected in improved regional and global left ventricular function, plays an important role independent of mitral valve repair.”

The National Institutes of Health and the Canadian Institutes of Health Research funded the study. Disclosures were reported separately at nejm.org.

In patients with moderate ischemic mitral regurgitation, adding mitral valve repair to coronary artery bypass graft did not significantly affect the extent of left ventricular remodeling at 2 years, according to a randomized multicenter trial.

Compared with revascularization alone, the combined procedure was associated with a two-thirds lower rate of moderate to severe mitral regurgitation at the end of year 2, reported Dr. Robert Michler at Albert Einstein College of Medicine, New York, together with his associates. But improved durability did not translate to better survival or lower rates of major adverse cardiac and cerebrovascular events, heart failure, or hospital readmissions, they said. Furthermore, adding mitral valve repair to CABG was linked to higher rates of postoperative neurologic events and supraventricular arrhythmias than for CABG alone, the investigators reported at the annual meeting of the American College of Cardiology and simultaneously online April 3 in the New England Journal of Medicine.

Dr. Robert Michler

Surgeons have debated whether to add restrictive mitral annuloplasty to CABG in patients with moderate ischemic mitral regurgitation. The combined approach requires open-heart exposure and longer aortic cross-clamping and cardiopulmonary bypass time, all of which increase perioperative risk, the researchers noted. To explore the risk-benefit balance of these approaches, they randomly assigned 301 patients to either revascularization alone or to the combined procedure, and assessed clinical and echocardiographic outcomes over 2 years (New Engl. J. Med. 2016 April 3 doi: 10.1056/NEJMoa1602003).

At year 1, the arms resembled each other in terms of survival, rates of major adverse cardiac or cerebrovascular events (MACCEs), and left ventricular reverse remodeling, as measured by left ventricular end-systolic volume index (LVESVI), said the investigators. At year 2, the extent of remodeling remained similar between the arms, with mean LVESVIs of 41.2 mL (standard deviation, 20.0 mL) per square meter of body surface area in the CABG-only group and 43.2 mL (SD, 20.6 mL) in the combined procedure group, for a mean decrease from baseline of 14.1 and 14.6 mL, respectively. About two-thirds of improvements in LVESI occurred during year 1 regardless of procedure type, the researchers noted.

About a third of CABG-only patients had moderate to severe mitral regurgitation at 2 years, compared with only 11% of patients who underwent the combined procedure (P less than .001). Patients who had mild or no mitral regurgitation had more than twice the percentage improvement in the global wall motion index and in the inferior-posterior-lateral regional wall motion score, compared with patients with moderate to severe regurgitation. Although both groups improved on several quality-of-life indices, the combined-procedure group scored more than 5 points higher on the Duke Activity Status Index, which measures self-reported exercise capacity. That difference was not only clinically meaningful, but resembled the increase in peak myocardial oxygen consumption in a similar, smaller trial (New Engl. J. Med. 2016 Jan. 28 doi: 10.1056/NEJMoa151291), the investigators noted.

However, mortality rates were similar between the arms at 2 years – 10.6% for CABG only and 10% for the combined procedure, for a non-significant hazard ratio of 0.9. Likewise, rates of heart failure and other serious adverse events were similar between the arms, while the combined-procedure arm had more than three times more postoperative neurologic events and more than twice as many occurrences of supraventricular arrhythmia. Therefore, treatment choice requires “balancing the risks of adverse perioperative events against the uncertain benefits of a lower incidence of postoperative moderate or severe mitral regurgitation,” said the researchers. “Effective revascularization, as reflected in improved regional and global left ventricular function, plays an important role independent of mitral valve repair.”

The National Institutes of Health and the Canadian Institutes of Health Research funded the study. Disclosures were reported separately at nejm.org.

References

References

Publications
Publications
Topics
Article Type
Display Headline
Adding mitral valve repair to CABG found risky, with limited benefits
Display Headline
Adding mitral valve repair to CABG found risky, with limited benefits
Sections
Article Source

FROM ACC 16

PURLs Copyright

Inside the Article

Vitals

Key clinical point: In patients with moderate ischemic mitral regurgitation, adding mitral valve repair to coronary artery bypass graft did not significantly affect left ventricular remodeling at two years.

Major finding: Mean decreases in left ventricular end systolic volume index were 14.1 mL and 14.6 mL, respectively.

Data source: A multicenter randomized trial of 301 patients with moderate to severe baseline mitral regurgitation.

Disclosures: The National Institutes of Health and the Canadian Institutes of Health Research funded the study. Disclosures were reported separately at nejm.org.

New ACC Consensus Guidance Addresses Nonstatin Therapies

Article Type
Changed
Tue, 12/13/2016 - 10:27
Display Headline
New ACC Consensus Guidance Addresses Nonstatin Therapies

CHICAGO – A new American College of Cardiology expert consensus decision pathway for the use of nonstatin therapies to lower cholesterol in high-risk patients addresses situations not covered by an evidence-based 2013 guideline on managing atherosclerotic cardiovascular disease risk.

Like the 2013 guideline (the 2013 American College of Cardiology/American Heart Association Guideline on the Treatment of Blood Cholesterol to Reduce Atherosclerotic Cardiovascular Disease Risk in Adults), the new guidance emphasizes the importance of a healthy lifestyle, but also addresses the use of two monoclonal antibodies–proprotein convertase subtilisin/kexon 9 (PCSK9) inhibitors–approved for certain patient groups since the 2013 guideline was released, as well as other nonstatin therapies, including ezetimibe and bile acid sequestrants.

“At the time [the 2013 guideline was published] the only really good outcomes data ... were for statin medication and there were no data from clinical trials that showed additional benefit of medications over and above being on the maximally tolerated dose of a statin,” according to Dr. Donald M. Lloyd-Jones, a professor at Northwestern University, Chicago and chair of the writing committee for the new guidance. “However, since 2013, a number of trials have been published that actually move the field forward in our understanding of which patients might benefit from adding non statin therapy on top of effective statin therapy.”

The guidance was developed to address gaps in care until the guidelines can be updated, which will likely take a few years.

Based on findings from recent studies, including the IMPROVE IT trial, which examined ezetimibe as statin add-on therapy after acute coronary syndromes, the HPS2-THRIVE study, which examined use of niacin in high-risk patients, and short-term outcomes studies of PCSK9 inhibitors, which have been shown to dramatically reduce low-density lipoprotein cholesterol levels beyond the lowering provided by statin therapy, the committee developed algorithms for the four main high-risk statin benefit patient groups:

•Adults aged 21 years and older with clinical atherosclerotic cardiovascular disease (ASCVD), on statin for secondary prevention.

•Adults aged 21 years and older with LDL-C greater than or equal to 190 mg/dL not due to secondary modifiable causes, on statin for primary prevention.

•Adults aged 40-75 years without ASCVD but with diabetes and LDL-C of 70-189 mg/dL, on statin for primary prevention.

•Adults aged 40-75 years without clinical ASCVD or diabetes, with LDL-C of 70-189 mg/dL and an estimated 10-year risk for ASCVD of at least 7.5%, on statin for primary prevention.

The guidance suggests a number of steps to take with patients who fail to achieve treatment goals (such as addressing treatment adherence, intensifying lifestyle modifications, using a high-intensity stain, and evaluating for statin intolerance), and lists “clinician-patient discussion factors” to consider for each of a number of patient scenarios (including the potential benefits and risks associated with nonstatin therapies, as well as patient preferences).

Included for each of the patient scenarios is an algorithm for which nonstatin therapies to use in which order, building on the “rock-solid confidence” that for the four statin benefit groups, statins remain the starting point, Dr. Lloyd-Jones said. He discussed the guidance in a video interview.

In general, ezetimibe for those patients who are not achieving the types of reduction in LDL or the amount of risk reduction desired, “should probably be the first choice,” he said.

Bile acid sequestrants can be considered in those who are ezetimibe intolerant and who have triglycerides less than 300 mg/dL.

PCSK9 inhibitors are suggested for consideration only in very high-risk patients with ASCVD or with the familial hypercholesterolemia phenotype who are still not achieving the goal (ideally, a 50% reduction in LDL cholesterol), he said.

The committee did not recommend use of niacin, stating that there is no clear indication for the routine use of niacin preparations as additional nonstatin therapies due to an unfavorable risk-benefit profile.

Additionally, PCSK9 inhibitors are not recommended in any primary prevention scenarios, he noted.

Dr. Neil J. Stone, chair of the 2013 guideline writing committee, said the new guidance provides a useful tool for clinicians, extending, in a practical way, the current guideline as the field awaits the long-term outcomes data for PCSK9 inhibitors.

Despite some backlash in the wake of the 2013 guideline, which marked a move away from specific cholesterol treatment targets to a cardiovascular disease risk-based approach, the cardiovascular risk calculation formula introduced in that guideline has been shown to be useful and accurate, said Dr. Stone, also of Northwestern University.

“[The new guidance] is simply an amplification and extension of the guideline,” he said, adding that “it’s about a risk discussion, not automatic treatment.”

 

 

Dr. Lloyd-Jones and Dr. Stone each reported having no disclosures.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel
References

Meeting/Event
Author and Disclosure Information

Sharon Worcester, Family Practice News Digital Network

Publications
Topics
Author and Disclosure Information

Sharon Worcester, Family Practice News Digital Network

Author and Disclosure Information

Sharon Worcester, Family Practice News Digital Network

Meeting/Event
Meeting/Event

CHICAGO – A new American College of Cardiology expert consensus decision pathway for the use of nonstatin therapies to lower cholesterol in high-risk patients addresses situations not covered by an evidence-based 2013 guideline on managing atherosclerotic cardiovascular disease risk.

Like the 2013 guideline (the 2013 American College of Cardiology/American Heart Association Guideline on the Treatment of Blood Cholesterol to Reduce Atherosclerotic Cardiovascular Disease Risk in Adults), the new guidance emphasizes the importance of a healthy lifestyle, but also addresses the use of two monoclonal antibodies–proprotein convertase subtilisin/kexon 9 (PCSK9) inhibitors–approved for certain patient groups since the 2013 guideline was released, as well as other nonstatin therapies, including ezetimibe and bile acid sequestrants.

“At the time [the 2013 guideline was published] the only really good outcomes data ... were for statin medication and there were no data from clinical trials that showed additional benefit of medications over and above being on the maximally tolerated dose of a statin,” according to Dr. Donald M. Lloyd-Jones, a professor at Northwestern University, Chicago and chair of the writing committee for the new guidance. “However, since 2013, a number of trials have been published that actually move the field forward in our understanding of which patients might benefit from adding non statin therapy on top of effective statin therapy.”

The guidance was developed to address gaps in care until the guidelines can be updated, which will likely take a few years.

Based on findings from recent studies, including the IMPROVE IT trial, which examined ezetimibe as statin add-on therapy after acute coronary syndromes, the HPS2-THRIVE study, which examined use of niacin in high-risk patients, and short-term outcomes studies of PCSK9 inhibitors, which have been shown to dramatically reduce low-density lipoprotein cholesterol levels beyond the lowering provided by statin therapy, the committee developed algorithms for the four main high-risk statin benefit patient groups:

•Adults aged 21 years and older with clinical atherosclerotic cardiovascular disease (ASCVD), on statin for secondary prevention.

•Adults aged 21 years and older with LDL-C greater than or equal to 190 mg/dL not due to secondary modifiable causes, on statin for primary prevention.

•Adults aged 40-75 years without ASCVD but with diabetes and LDL-C of 70-189 mg/dL, on statin for primary prevention.

•Adults aged 40-75 years without clinical ASCVD or diabetes, with LDL-C of 70-189 mg/dL and an estimated 10-year risk for ASCVD of at least 7.5%, on statin for primary prevention.

The guidance suggests a number of steps to take with patients who fail to achieve treatment goals (such as addressing treatment adherence, intensifying lifestyle modifications, using a high-intensity stain, and evaluating for statin intolerance), and lists “clinician-patient discussion factors” to consider for each of a number of patient scenarios (including the potential benefits and risks associated with nonstatin therapies, as well as patient preferences).

Included for each of the patient scenarios is an algorithm for which nonstatin therapies to use in which order, building on the “rock-solid confidence” that for the four statin benefit groups, statins remain the starting point, Dr. Lloyd-Jones said. He discussed the guidance in a video interview.

In general, ezetimibe for those patients who are not achieving the types of reduction in LDL or the amount of risk reduction desired, “should probably be the first choice,” he said.

Bile acid sequestrants can be considered in those who are ezetimibe intolerant and who have triglycerides less than 300 mg/dL.

PCSK9 inhibitors are suggested for consideration only in very high-risk patients with ASCVD or with the familial hypercholesterolemia phenotype who are still not achieving the goal (ideally, a 50% reduction in LDL cholesterol), he said.

The committee did not recommend use of niacin, stating that there is no clear indication for the routine use of niacin preparations as additional nonstatin therapies due to an unfavorable risk-benefit profile.

Additionally, PCSK9 inhibitors are not recommended in any primary prevention scenarios, he noted.

Dr. Neil J. Stone, chair of the 2013 guideline writing committee, said the new guidance provides a useful tool for clinicians, extending, in a practical way, the current guideline as the field awaits the long-term outcomes data for PCSK9 inhibitors.

Despite some backlash in the wake of the 2013 guideline, which marked a move away from specific cholesterol treatment targets to a cardiovascular disease risk-based approach, the cardiovascular risk calculation formula introduced in that guideline has been shown to be useful and accurate, said Dr. Stone, also of Northwestern University.

“[The new guidance] is simply an amplification and extension of the guideline,” he said, adding that “it’s about a risk discussion, not automatic treatment.”

 

 

Dr. Lloyd-Jones and Dr. Stone each reported having no disclosures.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

CHICAGO – A new American College of Cardiology expert consensus decision pathway for the use of nonstatin therapies to lower cholesterol in high-risk patients addresses situations not covered by an evidence-based 2013 guideline on managing atherosclerotic cardiovascular disease risk.

Like the 2013 guideline (the 2013 American College of Cardiology/American Heart Association Guideline on the Treatment of Blood Cholesterol to Reduce Atherosclerotic Cardiovascular Disease Risk in Adults), the new guidance emphasizes the importance of a healthy lifestyle, but also addresses the use of two monoclonal antibodies–proprotein convertase subtilisin/kexon 9 (PCSK9) inhibitors–approved for certain patient groups since the 2013 guideline was released, as well as other nonstatin therapies, including ezetimibe and bile acid sequestrants.

“At the time [the 2013 guideline was published] the only really good outcomes data ... were for statin medication and there were no data from clinical trials that showed additional benefit of medications over and above being on the maximally tolerated dose of a statin,” according to Dr. Donald M. Lloyd-Jones, a professor at Northwestern University, Chicago and chair of the writing committee for the new guidance. “However, since 2013, a number of trials have been published that actually move the field forward in our understanding of which patients might benefit from adding non statin therapy on top of effective statin therapy.”

The guidance was developed to address gaps in care until the guidelines can be updated, which will likely take a few years.

Based on findings from recent studies, including the IMPROVE IT trial, which examined ezetimibe as statin add-on therapy after acute coronary syndromes, the HPS2-THRIVE study, which examined use of niacin in high-risk patients, and short-term outcomes studies of PCSK9 inhibitors, which have been shown to dramatically reduce low-density lipoprotein cholesterol levels beyond the lowering provided by statin therapy, the committee developed algorithms for the four main high-risk statin benefit patient groups:

•Adults aged 21 years and older with clinical atherosclerotic cardiovascular disease (ASCVD), on statin for secondary prevention.

•Adults aged 21 years and older with LDL-C greater than or equal to 190 mg/dL not due to secondary modifiable causes, on statin for primary prevention.

•Adults aged 40-75 years without ASCVD but with diabetes and LDL-C of 70-189 mg/dL, on statin for primary prevention.

•Adults aged 40-75 years without clinical ASCVD or diabetes, with LDL-C of 70-189 mg/dL and an estimated 10-year risk for ASCVD of at least 7.5%, on statin for primary prevention.

The guidance suggests a number of steps to take with patients who fail to achieve treatment goals (such as addressing treatment adherence, intensifying lifestyle modifications, using a high-intensity stain, and evaluating for statin intolerance), and lists “clinician-patient discussion factors” to consider for each of a number of patient scenarios (including the potential benefits and risks associated with nonstatin therapies, as well as patient preferences).

Included for each of the patient scenarios is an algorithm for which nonstatin therapies to use in which order, building on the “rock-solid confidence” that for the four statin benefit groups, statins remain the starting point, Dr. Lloyd-Jones said. He discussed the guidance in a video interview.

In general, ezetimibe for those patients who are not achieving the types of reduction in LDL or the amount of risk reduction desired, “should probably be the first choice,” he said.

Bile acid sequestrants can be considered in those who are ezetimibe intolerant and who have triglycerides less than 300 mg/dL.

PCSK9 inhibitors are suggested for consideration only in very high-risk patients with ASCVD or with the familial hypercholesterolemia phenotype who are still not achieving the goal (ideally, a 50% reduction in LDL cholesterol), he said.

The committee did not recommend use of niacin, stating that there is no clear indication for the routine use of niacin preparations as additional nonstatin therapies due to an unfavorable risk-benefit profile.

Additionally, PCSK9 inhibitors are not recommended in any primary prevention scenarios, he noted.

Dr. Neil J. Stone, chair of the 2013 guideline writing committee, said the new guidance provides a useful tool for clinicians, extending, in a practical way, the current guideline as the field awaits the long-term outcomes data for PCSK9 inhibitors.

Despite some backlash in the wake of the 2013 guideline, which marked a move away from specific cholesterol treatment targets to a cardiovascular disease risk-based approach, the cardiovascular risk calculation formula introduced in that guideline has been shown to be useful and accurate, said Dr. Stone, also of Northwestern University.

“[The new guidance] is simply an amplification and extension of the guideline,” he said, adding that “it’s about a risk discussion, not automatic treatment.”

 

 

Dr. Lloyd-Jones and Dr. Stone each reported having no disclosures.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel
References

References

Publications
Publications
Topics
Article Type
Display Headline
New ACC Consensus Guidance Addresses Nonstatin Therapies
Display Headline
New ACC Consensus Guidance Addresses Nonstatin Therapies
Article Source

AT ACC 16

PURLs Copyright

Inside the Article

VIDEO: New ACC consensus guidance addresses nonstatin therapies

Article Type
Changed
Tue, 05/03/2022 - 15:35
Display Headline
VIDEO: New ACC consensus guidance addresses nonstatin therapies

CHICAGO – A new American College of Cardiology expert consensus decision pathway for the use of nonstatin therapies to lower cholesterol in high-risk patients addresses situations not covered by an evidence-based 2013 guideline on managing atherosclerotic cardiovascular disease risk.

Like the 2013 guideline (the 2013 American College of Cardiology/American Heart Association Guideline on the Treatment of Blood Cholesterol to Reduce Atherosclerotic Cardiovascular Disease Risk in Adults), the new guidance emphasizes the importance of a healthy lifestyle, but also addresses the use of two monoclonal antibodies–proprotein convertase subtilisin/kexon 9 (PCSK9) inhibitors–approved for certain patient groups since the 2013 guideline was released, as well as other nonstatin therapies, including ezetimibe and bile acid sequestrants.

“At the time [the 2013 guideline was published] the only really good outcomes data ... were for statin medication and there were no data from clinical trials that showed additional benefit of medications over and above being on the maximally tolerated dose of a statin,” according to Dr. Donald M. Lloyd-Jones, a professor at Northwestern University, Chicago and chair of the writing committee for the new guidance. “However, since 2013, a number of trials have been published that actually move the field forward in our understanding of which patients might benefit from adding non statin therapy on top of effective statin therapy.”

The guidance was developed to address gaps in care until the guidelines can be updated, which will likely take a few years.

Based on findings from recent studies, including the IMPROVE IT trial, which examined ezetimibe as statin add-on therapy after acute coronary syndromes, the HPS2-THRIVE study, which examined use of niacin in high-risk patients, and short-term outcomes studies of PCSK9 inhibitors, which have been shown to dramatically reduce low-density lipoprotein cholesterol levels beyond the lowering provided by statin therapy, the committee developed algorithms for the four main high-risk statin benefit patient groups:

•Adults aged 21 years and older with clinical atherosclerotic cardiovascular disease (ASCVD), on statin for secondary prevention.

•Adults aged 21 years and older with LDL-C greater than or equal to 190 mg/dL not due to secondary modifiable causes, on statin for primary prevention.

•Adults aged 40-75 years without ASCVD but with diabetes and LDL-C of 70-189 mg/dL, on statin for primary prevention.

•Adults aged 40-75 years without clinical ASCVD or diabetes, with LDL-C of 70-189 mg/dL and an estimated 10-year risk for ASCVD of at least 7.5%, on statin for primary prevention.

The guidance suggests a number of steps to take with patients who fail to achieve treatment goals (such as addressing treatment adherence, intensifying lifestyle modifications, using a high-intensity stain, and evaluating for statin intolerance), and lists “clinician-patient discussion factors” to consider for each of a number of patient scenarios (including the potential benefits and risks associated with nonstatin therapies, as well as patient preferences).

Included for each of the patient scenarios is an algorithm for which nonstatin therapies to use in which order, building on the “rock-solid confidence” that for the four statin benefit groups, statins remain the starting point, Dr. Lloyd-Jones said. He discussed the guidance in a video interview.

In general, ezetimibe for those patients who are not achieving the types of reduction in LDL or the amount of risk reduction desired, “should probably be the first choice,” he said.

Bile acid sequestrants can be considered in those who are ezetimibe intolerant and who have triglycerides less than 300 mg/dL.

PCSK9 inhibitors are suggested for consideration only in very high-risk patients with ASCVD or with the familial hypercholesterolemia phenotype who are still not achieving the goal (ideally, a 50% reduction in LDL cholesterol), he said.

The committee did not recommend use of niacin, stating that there is no clear indication for the routine use of niacin preparations as additional nonstatin therapies due to an unfavorable risk-benefit profile.

Additionally, PCSK9 inhibitors are not recommended in any primary prevention scenarios, he noted.

Dr. Neil J. Stone, chair of the 2013 guideline writing committee, said the new guidance provides a useful tool for clinicians, extending, in a practical way, the current guideline as the field awaits the long-term outcomes data for PCSK9 inhibitors.

Despite some backlash in the wake of the 2013 guideline, which marked a move away from specific cholesterol treatment targets to a cardiovascular disease risk-based approach, the cardiovascular risk calculation formula introduced in that guideline has been shown to be useful and accurate, said Dr. Stone, also of Northwestern University.

“[The new guidance] is simply an amplification and extension of the guideline,” he said, adding that “it’s about a risk discussion, not automatic treatment.”

 

 

Dr. Lloyd-Jones and Dr. Stone each reported having no disclosures.

[email protected]

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel
References

Meeting/Event
Author and Disclosure Information

Publications
Topics
Sections
Author and Disclosure Information

Author and Disclosure Information

Meeting/Event
Meeting/Event

CHICAGO – A new American College of Cardiology expert consensus decision pathway for the use of nonstatin therapies to lower cholesterol in high-risk patients addresses situations not covered by an evidence-based 2013 guideline on managing atherosclerotic cardiovascular disease risk.

Like the 2013 guideline (the 2013 American College of Cardiology/American Heart Association Guideline on the Treatment of Blood Cholesterol to Reduce Atherosclerotic Cardiovascular Disease Risk in Adults), the new guidance emphasizes the importance of a healthy lifestyle, but also addresses the use of two monoclonal antibodies–proprotein convertase subtilisin/kexon 9 (PCSK9) inhibitors–approved for certain patient groups since the 2013 guideline was released, as well as other nonstatin therapies, including ezetimibe and bile acid sequestrants.

“At the time [the 2013 guideline was published] the only really good outcomes data ... were for statin medication and there were no data from clinical trials that showed additional benefit of medications over and above being on the maximally tolerated dose of a statin,” according to Dr. Donald M. Lloyd-Jones, a professor at Northwestern University, Chicago and chair of the writing committee for the new guidance. “However, since 2013, a number of trials have been published that actually move the field forward in our understanding of which patients might benefit from adding non statin therapy on top of effective statin therapy.”

The guidance was developed to address gaps in care until the guidelines can be updated, which will likely take a few years.

Based on findings from recent studies, including the IMPROVE IT trial, which examined ezetimibe as statin add-on therapy after acute coronary syndromes, the HPS2-THRIVE study, which examined use of niacin in high-risk patients, and short-term outcomes studies of PCSK9 inhibitors, which have been shown to dramatically reduce low-density lipoprotein cholesterol levels beyond the lowering provided by statin therapy, the committee developed algorithms for the four main high-risk statin benefit patient groups:

•Adults aged 21 years and older with clinical atherosclerotic cardiovascular disease (ASCVD), on statin for secondary prevention.

•Adults aged 21 years and older with LDL-C greater than or equal to 190 mg/dL not due to secondary modifiable causes, on statin for primary prevention.

•Adults aged 40-75 years without ASCVD but with diabetes and LDL-C of 70-189 mg/dL, on statin for primary prevention.

•Adults aged 40-75 years without clinical ASCVD or diabetes, with LDL-C of 70-189 mg/dL and an estimated 10-year risk for ASCVD of at least 7.5%, on statin for primary prevention.

The guidance suggests a number of steps to take with patients who fail to achieve treatment goals (such as addressing treatment adherence, intensifying lifestyle modifications, using a high-intensity stain, and evaluating for statin intolerance), and lists “clinician-patient discussion factors” to consider for each of a number of patient scenarios (including the potential benefits and risks associated with nonstatin therapies, as well as patient preferences).

Included for each of the patient scenarios is an algorithm for which nonstatin therapies to use in which order, building on the “rock-solid confidence” that for the four statin benefit groups, statins remain the starting point, Dr. Lloyd-Jones said. He discussed the guidance in a video interview.

In general, ezetimibe for those patients who are not achieving the types of reduction in LDL or the amount of risk reduction desired, “should probably be the first choice,” he said.

Bile acid sequestrants can be considered in those who are ezetimibe intolerant and who have triglycerides less than 300 mg/dL.

PCSK9 inhibitors are suggested for consideration only in very high-risk patients with ASCVD or with the familial hypercholesterolemia phenotype who are still not achieving the goal (ideally, a 50% reduction in LDL cholesterol), he said.

The committee did not recommend use of niacin, stating that there is no clear indication for the routine use of niacin preparations as additional nonstatin therapies due to an unfavorable risk-benefit profile.

Additionally, PCSK9 inhibitors are not recommended in any primary prevention scenarios, he noted.

Dr. Neil J. Stone, chair of the 2013 guideline writing committee, said the new guidance provides a useful tool for clinicians, extending, in a practical way, the current guideline as the field awaits the long-term outcomes data for PCSK9 inhibitors.

Despite some backlash in the wake of the 2013 guideline, which marked a move away from specific cholesterol treatment targets to a cardiovascular disease risk-based approach, the cardiovascular risk calculation formula introduced in that guideline has been shown to be useful and accurate, said Dr. Stone, also of Northwestern University.

“[The new guidance] is simply an amplification and extension of the guideline,” he said, adding that “it’s about a risk discussion, not automatic treatment.”

 

 

Dr. Lloyd-Jones and Dr. Stone each reported having no disclosures.

[email protected]

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

CHICAGO – A new American College of Cardiology expert consensus decision pathway for the use of nonstatin therapies to lower cholesterol in high-risk patients addresses situations not covered by an evidence-based 2013 guideline on managing atherosclerotic cardiovascular disease risk.

Like the 2013 guideline (the 2013 American College of Cardiology/American Heart Association Guideline on the Treatment of Blood Cholesterol to Reduce Atherosclerotic Cardiovascular Disease Risk in Adults), the new guidance emphasizes the importance of a healthy lifestyle, but also addresses the use of two monoclonal antibodies–proprotein convertase subtilisin/kexon 9 (PCSK9) inhibitors–approved for certain patient groups since the 2013 guideline was released, as well as other nonstatin therapies, including ezetimibe and bile acid sequestrants.

“At the time [the 2013 guideline was published] the only really good outcomes data ... were for statin medication and there were no data from clinical trials that showed additional benefit of medications over and above being on the maximally tolerated dose of a statin,” according to Dr. Donald M. Lloyd-Jones, a professor at Northwestern University, Chicago and chair of the writing committee for the new guidance. “However, since 2013, a number of trials have been published that actually move the field forward in our understanding of which patients might benefit from adding non statin therapy on top of effective statin therapy.”

The guidance was developed to address gaps in care until the guidelines can be updated, which will likely take a few years.

Based on findings from recent studies, including the IMPROVE IT trial, which examined ezetimibe as statin add-on therapy after acute coronary syndromes, the HPS2-THRIVE study, which examined use of niacin in high-risk patients, and short-term outcomes studies of PCSK9 inhibitors, which have been shown to dramatically reduce low-density lipoprotein cholesterol levels beyond the lowering provided by statin therapy, the committee developed algorithms for the four main high-risk statin benefit patient groups:

•Adults aged 21 years and older with clinical atherosclerotic cardiovascular disease (ASCVD), on statin for secondary prevention.

•Adults aged 21 years and older with LDL-C greater than or equal to 190 mg/dL not due to secondary modifiable causes, on statin for primary prevention.

•Adults aged 40-75 years without ASCVD but with diabetes and LDL-C of 70-189 mg/dL, on statin for primary prevention.

•Adults aged 40-75 years without clinical ASCVD or diabetes, with LDL-C of 70-189 mg/dL and an estimated 10-year risk for ASCVD of at least 7.5%, on statin for primary prevention.

The guidance suggests a number of steps to take with patients who fail to achieve treatment goals (such as addressing treatment adherence, intensifying lifestyle modifications, using a high-intensity stain, and evaluating for statin intolerance), and lists “clinician-patient discussion factors” to consider for each of a number of patient scenarios (including the potential benefits and risks associated with nonstatin therapies, as well as patient preferences).

Included for each of the patient scenarios is an algorithm for which nonstatin therapies to use in which order, building on the “rock-solid confidence” that for the four statin benefit groups, statins remain the starting point, Dr. Lloyd-Jones said. He discussed the guidance in a video interview.

In general, ezetimibe for those patients who are not achieving the types of reduction in LDL or the amount of risk reduction desired, “should probably be the first choice,” he said.

Bile acid sequestrants can be considered in those who are ezetimibe intolerant and who have triglycerides less than 300 mg/dL.

PCSK9 inhibitors are suggested for consideration only in very high-risk patients with ASCVD or with the familial hypercholesterolemia phenotype who are still not achieving the goal (ideally, a 50% reduction in LDL cholesterol), he said.

The committee did not recommend use of niacin, stating that there is no clear indication for the routine use of niacin preparations as additional nonstatin therapies due to an unfavorable risk-benefit profile.

Additionally, PCSK9 inhibitors are not recommended in any primary prevention scenarios, he noted.

Dr. Neil J. Stone, chair of the 2013 guideline writing committee, said the new guidance provides a useful tool for clinicians, extending, in a practical way, the current guideline as the field awaits the long-term outcomes data for PCSK9 inhibitors.

Despite some backlash in the wake of the 2013 guideline, which marked a move away from specific cholesterol treatment targets to a cardiovascular disease risk-based approach, the cardiovascular risk calculation formula introduced in that guideline has been shown to be useful and accurate, said Dr. Stone, also of Northwestern University.

“[The new guidance] is simply an amplification and extension of the guideline,” he said, adding that “it’s about a risk discussion, not automatic treatment.”

 

 

Dr. Lloyd-Jones and Dr. Stone each reported having no disclosures.

[email protected]

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel
References

References

Publications
Publications
Topics
Article Type
Display Headline
VIDEO: New ACC consensus guidance addresses nonstatin therapies
Display Headline
VIDEO: New ACC consensus guidance addresses nonstatin therapies
Sections
Article Source

AT ACC 16

PURLs Copyright

Inside the Article

VIDEO: HOPE-3 trial supports broader role for statins in primary prevention

Article Type
Changed
Fri, 01/18/2019 - 15:49
Display Headline
VIDEO: HOPE-3 trial supports broader role for statins in primary prevention

CHICAGO – The success in the HOPE-3 trial of a two-pronged strategy of a statin plus moderate-dose antihypertensive therapy has expanded the boundaries of primary preventive pharmacotherapy to incorporate many intermediate-cardiovascular-risk patients without cardiovascular disease.

In the Heart Outcomes Evaluation (HOPE)-3 trial, the combination of rosuvastatin (Crestor) at 10 mg/day plus antihypertensive therapy with 16 mg/day of candesartan and 12.5 mg/day of hydrochlorothiazide reduced cardiovascular events in intermediate-risk patients with hypertension, regardless of their baseline LDL-cholesterol and inflammatory biomarker levels. In nonhypertensive study participants, however, blood pressure-lowering therapy provided no added benefit beyond that achieved with the statin alone, which yielded a 25% relative risk reduction in cardiovascular events compared with placebo, Dr. Salim Yusuf reported at the annual meeting of the American College of Cardiology.

The HOPE-3 trial was the first formal study of the polypill concept of fixed-dose, low-dose combination therapy as a public health tool for primary prevention in an intermediate-risk population without cardiovascular disease. It’s a simple, low-cost, safe, pragmatic preventive strategy that doesn’t require baseline laboratory measurements, dose titration visits, or frequent safety monitoring, he noted.

“The original concept of the polypill was to give it to everyone over age 55. We found in HOPE-3 that the polypill concept is not valid for everybody. It demonstrated benefit in hypertensives but not in nonhypertensives, where a statin alone was beneficial,” said Dr. Yusuf, professor of medicine and executive director of the Population Health Research Institute at McMaster University in Hamilton, Ont.

“The clinical implication is that statins should be used much more widely than they currently are. Most guidelines for hypertension don’t say to give a statin. But HOPE-3 is saying hypertensives will benefit. About half of the 40% reduction in the risk of cardiovascular events we saw with combination therapy in patients in the highest third for baseline systolic blood pressure – that is, above 143.5 mm Hg, with a mean of 154 mm Hg – was due to the rosuvastatin and half to the antihypertensive therapy. Our study suggests you can essentially double the benefit of lowering blood pressure in hypertensives if you also lower cholesterol simultaneously,” he noted. Dr. Yusuf discussed the findings in a video interview.

The double-blind trial included a diverse population of 12,705 men age 55 or older and women age 65 or older in 21 countries. All were at intermediate cardiovascular risk by conventional stratification methods; none had a history of cardiovascular disease. They were randomized to rosuvastatin or placebo, dual antihypertensive therapy or placebo, or to all three medications or double placebo. The combined-therapy group experienced a 33.7 mg/dL greater drop in LDL-cholesterol and a 6.2 mm Hg bigger reduction in systolic blood pressure than in patients on dual placebo.

During a median followup of 5.6 years, the composite rate of cardiovascular death, nonfatal MI, or nonfatal stroke was 3.6% in the combined-therapy group and 5.0% with dual placebo, for a relative risk reduction of 29%. The number needed to treat for 5.6 years in order to prevent one event of the composite outcome was 72. However, the separation in the event rate curves for the two groups grew larger over time. With an additional planned followup of 3-5 years in HOPE-3, it’s likely the benefits will become even greater, according to Dr. Yusuf.

Combination therapy proved safe. Muscle aches and weakness as well as lightheadedness were more common in the combined treatment group than with dual placebo. However, permanent discontinuation rates were similar in the two groups.

HOPE-3 coinvestigator Dr. Eva Lonn presented the comparison between patients randomized to antihypertensive therapy without rosuvastatin or to placebo. In a prespecified subgroup analysis, active treatment resulted in a significant 27% reduction in the risk of the composite outcome compared with placebo in patients in the top one-third of baseline systolic blood pressure, no benefit in those with a systolic blood pressure of 131.6-143.5 mm Hg, and a suggestion of possible harm in patients whose systolic pressure at enrollment was 131.5 mm Hg or less.

Thus, the study helps define the minimum blood pressure at which antihypertensive therapy becomes beneficial, noted Dr. Lonn, professor of cardiology at McMaster University.

Dr. Yusuf said enthusiasm for the polypill concept as a means of reducing the growing global burden of cardiovascular disease remains strong among many experts. There is broad interest in a polypill for secondary prevention that will include aspirin, a beta blocker, and an ACE inhibitor of angiotensin receptor blocker as a low-cost means of improving medication adherence. And several large clinical trials of the polypill concept for primary prevention are underway, including a randomized trial conducted by Dr. Yusuf and coworkers in which several thousand high-risk subjects without baseline cardiovascular disease will receive a combination of a statin plus not two but three antihypertensive drugs.

 

 

Discussant Dr. Donald M. Lloyd-Jones commented, “What strikes me about HOPE-3 is that this is a population at risk, but not at particularly high risk.” And yet these patients benefited from statin therapy regardless of their baseline LDL, noted Dr. Lloyd-Jones, chair of the department of preventive medicine at Northwestern University, Chicago, and an architect of the risk-based approach to statin use that’s a centerpiece of the current ACC/AHA guidelines on atherosclerotic cardiovascular risk reduction.

Dr. Sidney Smith

In an interview, Dr. Sidney C. Smith, Jr., said the HOPE-3 data are “worthy of consideration” as experts meet at ACC 16 to begin updating guidelines for the treatment of hypertension. In particular, the key findings that moderate-risk hypertensive patients benefited from a statin regardless of their baseline LDL and initiation of blood pressure-lowering therapy was beneficial for patients with a systolic blood pressure in the 140s but not in those with a systolic pressure in the 120s and 130s could be practice changing, according to Dr. Smith, professor of medicine at the University of North Carolina, Chapel Hill.

Drs. Yusuf and Lonn reported receiving institutional research grants from the Canadian Institutes of Health Research and AstraZeneca, which funded the trial.

Simultaneous with the presentation of the HOPE-3 results at ACC 16 in Chicago, the study on cholesterol lowering and the study on blood pressure and cholesterol lowering led by Dr. Yusef as well as the study on blood pressure lowering led by Dr. Lonn were published online at NEJM.org.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

References

Meeting/Event
Author and Disclosure Information

Publications
Topics
Legacy Keywords
HOPE-3, primary prevention
Sections
Author and Disclosure Information

Author and Disclosure Information

Meeting/Event
Meeting/Event

CHICAGO – The success in the HOPE-3 trial of a two-pronged strategy of a statin plus moderate-dose antihypertensive therapy has expanded the boundaries of primary preventive pharmacotherapy to incorporate many intermediate-cardiovascular-risk patients without cardiovascular disease.

In the Heart Outcomes Evaluation (HOPE)-3 trial, the combination of rosuvastatin (Crestor) at 10 mg/day plus antihypertensive therapy with 16 mg/day of candesartan and 12.5 mg/day of hydrochlorothiazide reduced cardiovascular events in intermediate-risk patients with hypertension, regardless of their baseline LDL-cholesterol and inflammatory biomarker levels. In nonhypertensive study participants, however, blood pressure-lowering therapy provided no added benefit beyond that achieved with the statin alone, which yielded a 25% relative risk reduction in cardiovascular events compared with placebo, Dr. Salim Yusuf reported at the annual meeting of the American College of Cardiology.

The HOPE-3 trial was the first formal study of the polypill concept of fixed-dose, low-dose combination therapy as a public health tool for primary prevention in an intermediate-risk population without cardiovascular disease. It’s a simple, low-cost, safe, pragmatic preventive strategy that doesn’t require baseline laboratory measurements, dose titration visits, or frequent safety monitoring, he noted.

“The original concept of the polypill was to give it to everyone over age 55. We found in HOPE-3 that the polypill concept is not valid for everybody. It demonstrated benefit in hypertensives but not in nonhypertensives, where a statin alone was beneficial,” said Dr. Yusuf, professor of medicine and executive director of the Population Health Research Institute at McMaster University in Hamilton, Ont.

“The clinical implication is that statins should be used much more widely than they currently are. Most guidelines for hypertension don’t say to give a statin. But HOPE-3 is saying hypertensives will benefit. About half of the 40% reduction in the risk of cardiovascular events we saw with combination therapy in patients in the highest third for baseline systolic blood pressure – that is, above 143.5 mm Hg, with a mean of 154 mm Hg – was due to the rosuvastatin and half to the antihypertensive therapy. Our study suggests you can essentially double the benefit of lowering blood pressure in hypertensives if you also lower cholesterol simultaneously,” he noted. Dr. Yusuf discussed the findings in a video interview.

The double-blind trial included a diverse population of 12,705 men age 55 or older and women age 65 or older in 21 countries. All were at intermediate cardiovascular risk by conventional stratification methods; none had a history of cardiovascular disease. They were randomized to rosuvastatin or placebo, dual antihypertensive therapy or placebo, or to all three medications or double placebo. The combined-therapy group experienced a 33.7 mg/dL greater drop in LDL-cholesterol and a 6.2 mm Hg bigger reduction in systolic blood pressure than in patients on dual placebo.

During a median followup of 5.6 years, the composite rate of cardiovascular death, nonfatal MI, or nonfatal stroke was 3.6% in the combined-therapy group and 5.0% with dual placebo, for a relative risk reduction of 29%. The number needed to treat for 5.6 years in order to prevent one event of the composite outcome was 72. However, the separation in the event rate curves for the two groups grew larger over time. With an additional planned followup of 3-5 years in HOPE-3, it’s likely the benefits will become even greater, according to Dr. Yusuf.

Combination therapy proved safe. Muscle aches and weakness as well as lightheadedness were more common in the combined treatment group than with dual placebo. However, permanent discontinuation rates were similar in the two groups.

HOPE-3 coinvestigator Dr. Eva Lonn presented the comparison between patients randomized to antihypertensive therapy without rosuvastatin or to placebo. In a prespecified subgroup analysis, active treatment resulted in a significant 27% reduction in the risk of the composite outcome compared with placebo in patients in the top one-third of baseline systolic blood pressure, no benefit in those with a systolic blood pressure of 131.6-143.5 mm Hg, and a suggestion of possible harm in patients whose systolic pressure at enrollment was 131.5 mm Hg or less.

Thus, the study helps define the minimum blood pressure at which antihypertensive therapy becomes beneficial, noted Dr. Lonn, professor of cardiology at McMaster University.

Dr. Yusuf said enthusiasm for the polypill concept as a means of reducing the growing global burden of cardiovascular disease remains strong among many experts. There is broad interest in a polypill for secondary prevention that will include aspirin, a beta blocker, and an ACE inhibitor of angiotensin receptor blocker as a low-cost means of improving medication adherence. And several large clinical trials of the polypill concept for primary prevention are underway, including a randomized trial conducted by Dr. Yusuf and coworkers in which several thousand high-risk subjects without baseline cardiovascular disease will receive a combination of a statin plus not two but three antihypertensive drugs.

 

 

Discussant Dr. Donald M. Lloyd-Jones commented, “What strikes me about HOPE-3 is that this is a population at risk, but not at particularly high risk.” And yet these patients benefited from statin therapy regardless of their baseline LDL, noted Dr. Lloyd-Jones, chair of the department of preventive medicine at Northwestern University, Chicago, and an architect of the risk-based approach to statin use that’s a centerpiece of the current ACC/AHA guidelines on atherosclerotic cardiovascular risk reduction.

Dr. Sidney Smith

In an interview, Dr. Sidney C. Smith, Jr., said the HOPE-3 data are “worthy of consideration” as experts meet at ACC 16 to begin updating guidelines for the treatment of hypertension. In particular, the key findings that moderate-risk hypertensive patients benefited from a statin regardless of their baseline LDL and initiation of blood pressure-lowering therapy was beneficial for patients with a systolic blood pressure in the 140s but not in those with a systolic pressure in the 120s and 130s could be practice changing, according to Dr. Smith, professor of medicine at the University of North Carolina, Chapel Hill.

Drs. Yusuf and Lonn reported receiving institutional research grants from the Canadian Institutes of Health Research and AstraZeneca, which funded the trial.

Simultaneous with the presentation of the HOPE-3 results at ACC 16 in Chicago, the study on cholesterol lowering and the study on blood pressure and cholesterol lowering led by Dr. Yusef as well as the study on blood pressure lowering led by Dr. Lonn were published online at NEJM.org.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

CHICAGO – The success in the HOPE-3 trial of a two-pronged strategy of a statin plus moderate-dose antihypertensive therapy has expanded the boundaries of primary preventive pharmacotherapy to incorporate many intermediate-cardiovascular-risk patients without cardiovascular disease.

In the Heart Outcomes Evaluation (HOPE)-3 trial, the combination of rosuvastatin (Crestor) at 10 mg/day plus antihypertensive therapy with 16 mg/day of candesartan and 12.5 mg/day of hydrochlorothiazide reduced cardiovascular events in intermediate-risk patients with hypertension, regardless of their baseline LDL-cholesterol and inflammatory biomarker levels. In nonhypertensive study participants, however, blood pressure-lowering therapy provided no added benefit beyond that achieved with the statin alone, which yielded a 25% relative risk reduction in cardiovascular events compared with placebo, Dr. Salim Yusuf reported at the annual meeting of the American College of Cardiology.

The HOPE-3 trial was the first formal study of the polypill concept of fixed-dose, low-dose combination therapy as a public health tool for primary prevention in an intermediate-risk population without cardiovascular disease. It’s a simple, low-cost, safe, pragmatic preventive strategy that doesn’t require baseline laboratory measurements, dose titration visits, or frequent safety monitoring, he noted.

“The original concept of the polypill was to give it to everyone over age 55. We found in HOPE-3 that the polypill concept is not valid for everybody. It demonstrated benefit in hypertensives but not in nonhypertensives, where a statin alone was beneficial,” said Dr. Yusuf, professor of medicine and executive director of the Population Health Research Institute at McMaster University in Hamilton, Ont.

“The clinical implication is that statins should be used much more widely than they currently are. Most guidelines for hypertension don’t say to give a statin. But HOPE-3 is saying hypertensives will benefit. About half of the 40% reduction in the risk of cardiovascular events we saw with combination therapy in patients in the highest third for baseline systolic blood pressure – that is, above 143.5 mm Hg, with a mean of 154 mm Hg – was due to the rosuvastatin and half to the antihypertensive therapy. Our study suggests you can essentially double the benefit of lowering blood pressure in hypertensives if you also lower cholesterol simultaneously,” he noted. Dr. Yusuf discussed the findings in a video interview.

The double-blind trial included a diverse population of 12,705 men age 55 or older and women age 65 or older in 21 countries. All were at intermediate cardiovascular risk by conventional stratification methods; none had a history of cardiovascular disease. They were randomized to rosuvastatin or placebo, dual antihypertensive therapy or placebo, or to all three medications or double placebo. The combined-therapy group experienced a 33.7 mg/dL greater drop in LDL-cholesterol and a 6.2 mm Hg bigger reduction in systolic blood pressure than in patients on dual placebo.

During a median followup of 5.6 years, the composite rate of cardiovascular death, nonfatal MI, or nonfatal stroke was 3.6% in the combined-therapy group and 5.0% with dual placebo, for a relative risk reduction of 29%. The number needed to treat for 5.6 years in order to prevent one event of the composite outcome was 72. However, the separation in the event rate curves for the two groups grew larger over time. With an additional planned followup of 3-5 years in HOPE-3, it’s likely the benefits will become even greater, according to Dr. Yusuf.

Combination therapy proved safe. Muscle aches and weakness as well as lightheadedness were more common in the combined treatment group than with dual placebo. However, permanent discontinuation rates were similar in the two groups.

HOPE-3 coinvestigator Dr. Eva Lonn presented the comparison between patients randomized to antihypertensive therapy without rosuvastatin or to placebo. In a prespecified subgroup analysis, active treatment resulted in a significant 27% reduction in the risk of the composite outcome compared with placebo in patients in the top one-third of baseline systolic blood pressure, no benefit in those with a systolic blood pressure of 131.6-143.5 mm Hg, and a suggestion of possible harm in patients whose systolic pressure at enrollment was 131.5 mm Hg or less.

Thus, the study helps define the minimum blood pressure at which antihypertensive therapy becomes beneficial, noted Dr. Lonn, professor of cardiology at McMaster University.

Dr. Yusuf said enthusiasm for the polypill concept as a means of reducing the growing global burden of cardiovascular disease remains strong among many experts. There is broad interest in a polypill for secondary prevention that will include aspirin, a beta blocker, and an ACE inhibitor of angiotensin receptor blocker as a low-cost means of improving medication adherence. And several large clinical trials of the polypill concept for primary prevention are underway, including a randomized trial conducted by Dr. Yusuf and coworkers in which several thousand high-risk subjects without baseline cardiovascular disease will receive a combination of a statin plus not two but three antihypertensive drugs.

 

 

Discussant Dr. Donald M. Lloyd-Jones commented, “What strikes me about HOPE-3 is that this is a population at risk, but not at particularly high risk.” And yet these patients benefited from statin therapy regardless of their baseline LDL, noted Dr. Lloyd-Jones, chair of the department of preventive medicine at Northwestern University, Chicago, and an architect of the risk-based approach to statin use that’s a centerpiece of the current ACC/AHA guidelines on atherosclerotic cardiovascular risk reduction.

Dr. Sidney Smith

In an interview, Dr. Sidney C. Smith, Jr., said the HOPE-3 data are “worthy of consideration” as experts meet at ACC 16 to begin updating guidelines for the treatment of hypertension. In particular, the key findings that moderate-risk hypertensive patients benefited from a statin regardless of their baseline LDL and initiation of blood pressure-lowering therapy was beneficial for patients with a systolic blood pressure in the 140s but not in those with a systolic pressure in the 120s and 130s could be practice changing, according to Dr. Smith, professor of medicine at the University of North Carolina, Chapel Hill.

Drs. Yusuf and Lonn reported receiving institutional research grants from the Canadian Institutes of Health Research and AstraZeneca, which funded the trial.

Simultaneous with the presentation of the HOPE-3 results at ACC 16 in Chicago, the study on cholesterol lowering and the study on blood pressure and cholesterol lowering led by Dr. Yusef as well as the study on blood pressure lowering led by Dr. Lonn were published online at NEJM.org.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

References

References

Publications
Publications
Topics
Article Type
Display Headline
VIDEO: HOPE-3 trial supports broader role for statins in primary prevention
Display Headline
VIDEO: HOPE-3 trial supports broader role for statins in primary prevention
Legacy Keywords
HOPE-3, primary prevention
Legacy Keywords
HOPE-3, primary prevention
Sections
Article Source

AT ACC 16

PURLs Copyright

Inside the Article

Vitals

Key clinical point: Statin therapy should be used much more widely.

Major finding: The number of moderate-cardiovascular-risk persons needed to treat with a combination of a statin and two antihypertensive drugs for 5.6 years in order to prevent one cardiovascular death, nonfatal MI, or nonfatal stroke was 72.

Data source: The HOPE-3 study was a double-blind, randomized trial including 12,705 men and women at intermediate cardiovascular risk but without cardiovascular disease at enrollment.

Disclosures: The study presenters reported receiving institutional research grants from the Canadian Institutes of Health Research and AstraZeneca, which funded the trial.

TAVR matches surgery in intermediate-risk patients

A game changer for intermediate-risk patients
Article Type
Changed
Tue, 07/21/2020 - 14:18
Display Headline
TAVR matches surgery in intermediate-risk patients

CHICAGO – Transcatheter aortic-valve replacement performed as well as surgical-valve replacement in patients with an intermediate mortality risk in a prospective, randomized trial with more than 2,000 patients followed for 2 years, the first randomized trial to compare the efficacy and safety of transcatheter aortic-valve replacement against surgical replacement in patients who did not have a high mortality risk.

The results “support TAVR [transcatheter aortic-valve replacement] as an alternative to surgery in intermediate-risk patients similar to those included in this trial,” said Dr. Craig R. Smith at the annual meeting of the American College of Cardiology. The findings from the Placement of Aortic Transcatheter Valves (PARTNER) 2 cohort A trial “will increase use of TAVR,” predicted Dr. Smith, professor and chairman of surgery at New York–Presbyterian Hospital/Columbia University in New York.

Mitchel L. Zoler/Frontline Medical News
Dr. Craig R. Smith

Until now, TAVR had been compared with surgical aortic-valve replacement in two prospective, randomized trials that both enrolled either high-risk or inoperable patients with severe aortic stenosis, the PARTNER 1 trial that tested the original Sapien TAVR system, and the U.S. CoreValve High-Risk Study that tested the original CoreValve system (often now called CoreValve classic). The average Society of Thoracic Surgeons (STS) operative risk score of high-risk patients enrolled in PARTNER 1 was 11.8%, and the average risk score in patients enrolled in the CoreValve study was 7.3%. In contrast, the design of PARTNER 2A specified that enrolled patients have a STS risk score of 4%-8%, a criterion actually met by 81% of the enrolled patients, and the average STS risk score of all patients enrolled in PARTNER 2A was 5.8%.

Although U.S. labeling for both the Sapien valve and its later iterations, Sapien XT and S3, and for CoreValve and its later iteration, Evolut R, specify that treated patients should have a STS risk score of at least 8%, the labeling also gives the heart teams that perform TAVR the latitude to treat patients with risk scores below 8% when the heart teams identify other patient factors that confer high risk such as frailty or comorbidities. U.S. and European TAVR registries have documented that many patients with STS risk scores below 8% have undergone TAVR since these systems received regulatory approval. The new results from PARTNER 2A may change that by leading to revised labeling that cuts the STS risk-score threshold.

“These findings might lead to a labeling change that would avoid a lot of the patient-evaluation gymnastics that have been used to justify” TAVR treatment, noted Dr. Smith. New labeling like this “would sanction what is already going on” in terms of which patients undergo TAVR.

Others who heard these results at the meeting agreed they were an important milestone in TAVR development and its expanding use.

Mitchel L. Zoler/Frontline Medical News
Dr. David R. Holmes, Jr.

The new results “make a huge difference,” commented Dr. David R. Holmes Jr., an interventional cardiologist and professor at the Mayo Clinic in Rochester, Minn. “We base many of our guidelines on the results from randomized, controlled trials. It’s true that there are reports of lower-risk patients undergoing TAVR, but we now have results from a well-designed trial with well-controlled and adjudicated endpoints that documents the safety and efficacy of TAVR in intermediate-risk patients,” Dr. Holmes said in an interview.

“The results will have a very important influence on the choice between TAVR and surgery,” commented Dr. Duane S. Pinto, an interventional cardiologist at Beth Israel Deaconess Medical Center in Boston. “It validates the strategy” of using TAVR in patients with a risk score of 4%-8%. “TAVR has already been used in these patients, but these results validate this, especially when used in a transfemoral approach,” Dr. Pinto said in an interview.

Dr. Duane S. Pinto

One aspect of PARTNER 2A that received a lot of discussion at the meeting was whether enrolled patients could appropriately be characterized as “intermediate” in their risk level. Although their average STS risk score of 5.8% fell squarely within the target range specified for the study, they averaged 82 years old, and other clinical features at baseline suggested a higher risk population. The published report of the PARTNER 2A results that appeared online concurrent with Dr. Smith’s report at the meeting (New Engl J Med 2016;doi:10.1056/NEJMoa1514616) acknowledged that STS risk scores of 4%-8% place the enrolled patients into the upper 20% for risk of all U.S. patients who undergo surgical aortic-valve replacement

“I would characterize the enrolled patients as ‘less high risk’ rather than intermediate risk,” said Dr. Pinto.

 

 

But as Dr. Smith explained “even if the enrolled patients are not ‘intermediate’ risk they are at a different risk level” than were the patients enrolled in the prior TAVR randomized trials.

In the PARTNER 1 high-risk trial, the overall 1-year rate of all-cause mortality was 24% and 27% in the TAVR and surgical arms of the study, respectively. In the CoreValve trial these rates were 14% with TAVR and 19% with surgery. In PARTNER 2A 1-year all-cause mortality was 12% with TAVR and 13% with surgery.

Two other notable findings of PARTNER 2A were the superior outcomes of patients who underwent TAVR using a transfemoral approach, and the improved outcomes that all TAVR patients had compared with surgical valve replacement for several secondary outcomes.

The rate of the study’s primary outcome, all-cause death or disabling stroke after 2 years, was cut by a relative 21% in the 77% of TAVR patients who underwent a transfemoral procedure, compared with the surgery patients, a difference that was of borderline statistical significance. In contrast, the entire group of TAVR patients, including those treated via nontransfemoral routes, had an 11% relative reduction of the primary endpoint, compared with surgery, a difference that was not statistically significant but did easily meet the study’s prespecified definition of noninferority. Dr. Smith and others were especially encouraged by these findings as PARTNER 2A used the older Sapien XT TAVR system that is not often used today in U.S. practice. When U.S. patients undergo TAVR with a balloon-expandable valve they most often receive treatment with the S3 system, much smaller than XT and hence much more likely to be used with a transfemoral approach.

Other secondary outcomes included life-threatening or disabling bleeding events, which after 2 years had occurred in 17% of the TAVR patients and 47% of those who underwent surgery; atrial fibrillation, which occurred in 11% of the TAVR patients and 27% of those undergoing surgery; and acute kidney injury which occurred in 4% of TAVR patients and 6% of the surgery patients. With 2-year follow-up, the rate of disabling strokes was 6% in both arms of the study.

PARTNER 2A was sponsored by Edwards Lifesciences, the company that markets the Sapien TAVR systems. Dr. Smith has received travel grants from Edwards. Dr. Holmes had no disclosures, Dr. Pinto has been a consultant to Medtronic.

[email protected]

On Twitter @mitchelzoler

References

Body

Registries of patients who have undergone transcatheter aortic-valve replacement in Europe and the United States show that this procedure has already been frequently used in selected patients with Society of Thoracic Surgeons operative-risk scores of 4%-8%. Even though regulatory approval specifies using the procedure in high-risk patients with risk scores of at least 8%, the labeling leaves the decision of which patients are at high risk up to local heart teams, and factors other than the risk score play into a patient’s overall risk assessment including frailty and comorbidities.

Despite the prior experience using TAVR in patients with STS risk scores of 4%-8% the results of PARTNER 2A are a game changer because they come from a prospective, randomized, controlled trial.

The PARTNER 2A results are also notable because this is the second randomized trial (in addition to the CoreValve high-risk trial) with results that show or suggest that transcatheter aortic-valve replacement (TAVR) produces better outcomes than surgery, especially in patients who undergo TAVR via a transfemoral approach. Other notable advantages of TAVR over surgery seen in PARTNER 2A include substantial reductions in disabling or life-threatening bleeding events and in new-onset atrial fibrillation, a statistically significant reduction in acute kidney injury, and no significant difference in the incidence of disabling strokes. In the past, we expected stroke rates to be higher with TAVR, but in PARTNER 2A, with neurologists adjudicating the strokes, we saw no difference in the TAVR and surgical stroke rates, a finding that was probably unexpected for many people.

Dr. Ajay J. Kirtane

The patients enrolled in PARTNER 2A were clearly at lower risk for all-cause mortality than the patients enrolled in the earlier TAVR trials. The operative risk score is just one of several ways to estimate patient risk. The data collected in PARTNER 2A provide a robust resource for finding new, additional ways to assess patients who are at intermediate risk and to match patients seen during routine practice to those who entered this trial.

Dr. Ajay J. Kirtane is an interventional cardiologist and director of the coronary catheterization laboratory at New York–Presbyterian/Columbia University in New York. He was a coinvestigator on prior Sapien TAVR studies but did not participate in PARTNER 2. His institution has received research support from Edwards and from Boston Scientific. He made these comments in an interview.

Meeting/Event
Author and Disclosure Information

Publications
Topics
Legacy Keywords
TAVR, aortic stenosis, Sapien, CoreValve, Smith, Pinto, Holmes, Kirtane
Sections
Author and Disclosure Information

Author and Disclosure Information

Meeting/Event
Meeting/Event
Body

Registries of patients who have undergone transcatheter aortic-valve replacement in Europe and the United States show that this procedure has already been frequently used in selected patients with Society of Thoracic Surgeons operative-risk scores of 4%-8%. Even though regulatory approval specifies using the procedure in high-risk patients with risk scores of at least 8%, the labeling leaves the decision of which patients are at high risk up to local heart teams, and factors other than the risk score play into a patient’s overall risk assessment including frailty and comorbidities.

Despite the prior experience using TAVR in patients with STS risk scores of 4%-8% the results of PARTNER 2A are a game changer because they come from a prospective, randomized, controlled trial.

The PARTNER 2A results are also notable because this is the second randomized trial (in addition to the CoreValve high-risk trial) with results that show or suggest that transcatheter aortic-valve replacement (TAVR) produces better outcomes than surgery, especially in patients who undergo TAVR via a transfemoral approach. Other notable advantages of TAVR over surgery seen in PARTNER 2A include substantial reductions in disabling or life-threatening bleeding events and in new-onset atrial fibrillation, a statistically significant reduction in acute kidney injury, and no significant difference in the incidence of disabling strokes. In the past, we expected stroke rates to be higher with TAVR, but in PARTNER 2A, with neurologists adjudicating the strokes, we saw no difference in the TAVR and surgical stroke rates, a finding that was probably unexpected for many people.

Dr. Ajay J. Kirtane

The patients enrolled in PARTNER 2A were clearly at lower risk for all-cause mortality than the patients enrolled in the earlier TAVR trials. The operative risk score is just one of several ways to estimate patient risk. The data collected in PARTNER 2A provide a robust resource for finding new, additional ways to assess patients who are at intermediate risk and to match patients seen during routine practice to those who entered this trial.

Dr. Ajay J. Kirtane is an interventional cardiologist and director of the coronary catheterization laboratory at New York–Presbyterian/Columbia University in New York. He was a coinvestigator on prior Sapien TAVR studies but did not participate in PARTNER 2. His institution has received research support from Edwards and from Boston Scientific. He made these comments in an interview.

Body

Registries of patients who have undergone transcatheter aortic-valve replacement in Europe and the United States show that this procedure has already been frequently used in selected patients with Society of Thoracic Surgeons operative-risk scores of 4%-8%. Even though regulatory approval specifies using the procedure in high-risk patients with risk scores of at least 8%, the labeling leaves the decision of which patients are at high risk up to local heart teams, and factors other than the risk score play into a patient’s overall risk assessment including frailty and comorbidities.

Despite the prior experience using TAVR in patients with STS risk scores of 4%-8% the results of PARTNER 2A are a game changer because they come from a prospective, randomized, controlled trial.

The PARTNER 2A results are also notable because this is the second randomized trial (in addition to the CoreValve high-risk trial) with results that show or suggest that transcatheter aortic-valve replacement (TAVR) produces better outcomes than surgery, especially in patients who undergo TAVR via a transfemoral approach. Other notable advantages of TAVR over surgery seen in PARTNER 2A include substantial reductions in disabling or life-threatening bleeding events and in new-onset atrial fibrillation, a statistically significant reduction in acute kidney injury, and no significant difference in the incidence of disabling strokes. In the past, we expected stroke rates to be higher with TAVR, but in PARTNER 2A, with neurologists adjudicating the strokes, we saw no difference in the TAVR and surgical stroke rates, a finding that was probably unexpected for many people.

Dr. Ajay J. Kirtane

The patients enrolled in PARTNER 2A were clearly at lower risk for all-cause mortality than the patients enrolled in the earlier TAVR trials. The operative risk score is just one of several ways to estimate patient risk. The data collected in PARTNER 2A provide a robust resource for finding new, additional ways to assess patients who are at intermediate risk and to match patients seen during routine practice to those who entered this trial.

Dr. Ajay J. Kirtane is an interventional cardiologist and director of the coronary catheterization laboratory at New York–Presbyterian/Columbia University in New York. He was a coinvestigator on prior Sapien TAVR studies but did not participate in PARTNER 2. His institution has received research support from Edwards and from Boston Scientific. He made these comments in an interview.

Title
A game changer for intermediate-risk patients
A game changer for intermediate-risk patients

CHICAGO – Transcatheter aortic-valve replacement performed as well as surgical-valve replacement in patients with an intermediate mortality risk in a prospective, randomized trial with more than 2,000 patients followed for 2 years, the first randomized trial to compare the efficacy and safety of transcatheter aortic-valve replacement against surgical replacement in patients who did not have a high mortality risk.

The results “support TAVR [transcatheter aortic-valve replacement] as an alternative to surgery in intermediate-risk patients similar to those included in this trial,” said Dr. Craig R. Smith at the annual meeting of the American College of Cardiology. The findings from the Placement of Aortic Transcatheter Valves (PARTNER) 2 cohort A trial “will increase use of TAVR,” predicted Dr. Smith, professor and chairman of surgery at New York–Presbyterian Hospital/Columbia University in New York.

Mitchel L. Zoler/Frontline Medical News
Dr. Craig R. Smith

Until now, TAVR had been compared with surgical aortic-valve replacement in two prospective, randomized trials that both enrolled either high-risk or inoperable patients with severe aortic stenosis, the PARTNER 1 trial that tested the original Sapien TAVR system, and the U.S. CoreValve High-Risk Study that tested the original CoreValve system (often now called CoreValve classic). The average Society of Thoracic Surgeons (STS) operative risk score of high-risk patients enrolled in PARTNER 1 was 11.8%, and the average risk score in patients enrolled in the CoreValve study was 7.3%. In contrast, the design of PARTNER 2A specified that enrolled patients have a STS risk score of 4%-8%, a criterion actually met by 81% of the enrolled patients, and the average STS risk score of all patients enrolled in PARTNER 2A was 5.8%.

Although U.S. labeling for both the Sapien valve and its later iterations, Sapien XT and S3, and for CoreValve and its later iteration, Evolut R, specify that treated patients should have a STS risk score of at least 8%, the labeling also gives the heart teams that perform TAVR the latitude to treat patients with risk scores below 8% when the heart teams identify other patient factors that confer high risk such as frailty or comorbidities. U.S. and European TAVR registries have documented that many patients with STS risk scores below 8% have undergone TAVR since these systems received regulatory approval. The new results from PARTNER 2A may change that by leading to revised labeling that cuts the STS risk-score threshold.

“These findings might lead to a labeling change that would avoid a lot of the patient-evaluation gymnastics that have been used to justify” TAVR treatment, noted Dr. Smith. New labeling like this “would sanction what is already going on” in terms of which patients undergo TAVR.

Others who heard these results at the meeting agreed they were an important milestone in TAVR development and its expanding use.

Mitchel L. Zoler/Frontline Medical News
Dr. David R. Holmes, Jr.

The new results “make a huge difference,” commented Dr. David R. Holmes Jr., an interventional cardiologist and professor at the Mayo Clinic in Rochester, Minn. “We base many of our guidelines on the results from randomized, controlled trials. It’s true that there are reports of lower-risk patients undergoing TAVR, but we now have results from a well-designed trial with well-controlled and adjudicated endpoints that documents the safety and efficacy of TAVR in intermediate-risk patients,” Dr. Holmes said in an interview.

“The results will have a very important influence on the choice between TAVR and surgery,” commented Dr. Duane S. Pinto, an interventional cardiologist at Beth Israel Deaconess Medical Center in Boston. “It validates the strategy” of using TAVR in patients with a risk score of 4%-8%. “TAVR has already been used in these patients, but these results validate this, especially when used in a transfemoral approach,” Dr. Pinto said in an interview.

Dr. Duane S. Pinto

One aspect of PARTNER 2A that received a lot of discussion at the meeting was whether enrolled patients could appropriately be characterized as “intermediate” in their risk level. Although their average STS risk score of 5.8% fell squarely within the target range specified for the study, they averaged 82 years old, and other clinical features at baseline suggested a higher risk population. The published report of the PARTNER 2A results that appeared online concurrent with Dr. Smith’s report at the meeting (New Engl J Med 2016;doi:10.1056/NEJMoa1514616) acknowledged that STS risk scores of 4%-8% place the enrolled patients into the upper 20% for risk of all U.S. patients who undergo surgical aortic-valve replacement

“I would characterize the enrolled patients as ‘less high risk’ rather than intermediate risk,” said Dr. Pinto.

 

 

But as Dr. Smith explained “even if the enrolled patients are not ‘intermediate’ risk they are at a different risk level” than were the patients enrolled in the prior TAVR randomized trials.

In the PARTNER 1 high-risk trial, the overall 1-year rate of all-cause mortality was 24% and 27% in the TAVR and surgical arms of the study, respectively. In the CoreValve trial these rates were 14% with TAVR and 19% with surgery. In PARTNER 2A 1-year all-cause mortality was 12% with TAVR and 13% with surgery.

Two other notable findings of PARTNER 2A were the superior outcomes of patients who underwent TAVR using a transfemoral approach, and the improved outcomes that all TAVR patients had compared with surgical valve replacement for several secondary outcomes.

The rate of the study’s primary outcome, all-cause death or disabling stroke after 2 years, was cut by a relative 21% in the 77% of TAVR patients who underwent a transfemoral procedure, compared with the surgery patients, a difference that was of borderline statistical significance. In contrast, the entire group of TAVR patients, including those treated via nontransfemoral routes, had an 11% relative reduction of the primary endpoint, compared with surgery, a difference that was not statistically significant but did easily meet the study’s prespecified definition of noninferority. Dr. Smith and others were especially encouraged by these findings as PARTNER 2A used the older Sapien XT TAVR system that is not often used today in U.S. practice. When U.S. patients undergo TAVR with a balloon-expandable valve they most often receive treatment with the S3 system, much smaller than XT and hence much more likely to be used with a transfemoral approach.

Other secondary outcomes included life-threatening or disabling bleeding events, which after 2 years had occurred in 17% of the TAVR patients and 47% of those who underwent surgery; atrial fibrillation, which occurred in 11% of the TAVR patients and 27% of those undergoing surgery; and acute kidney injury which occurred in 4% of TAVR patients and 6% of the surgery patients. With 2-year follow-up, the rate of disabling strokes was 6% in both arms of the study.

PARTNER 2A was sponsored by Edwards Lifesciences, the company that markets the Sapien TAVR systems. Dr. Smith has received travel grants from Edwards. Dr. Holmes had no disclosures, Dr. Pinto has been a consultant to Medtronic.

[email protected]

On Twitter @mitchelzoler

CHICAGO – Transcatheter aortic-valve replacement performed as well as surgical-valve replacement in patients with an intermediate mortality risk in a prospective, randomized trial with more than 2,000 patients followed for 2 years, the first randomized trial to compare the efficacy and safety of transcatheter aortic-valve replacement against surgical replacement in patients who did not have a high mortality risk.

The results “support TAVR [transcatheter aortic-valve replacement] as an alternative to surgery in intermediate-risk patients similar to those included in this trial,” said Dr. Craig R. Smith at the annual meeting of the American College of Cardiology. The findings from the Placement of Aortic Transcatheter Valves (PARTNER) 2 cohort A trial “will increase use of TAVR,” predicted Dr. Smith, professor and chairman of surgery at New York–Presbyterian Hospital/Columbia University in New York.

Mitchel L. Zoler/Frontline Medical News
Dr. Craig R. Smith

Until now, TAVR had been compared with surgical aortic-valve replacement in two prospective, randomized trials that both enrolled either high-risk or inoperable patients with severe aortic stenosis, the PARTNER 1 trial that tested the original Sapien TAVR system, and the U.S. CoreValve High-Risk Study that tested the original CoreValve system (often now called CoreValve classic). The average Society of Thoracic Surgeons (STS) operative risk score of high-risk patients enrolled in PARTNER 1 was 11.8%, and the average risk score in patients enrolled in the CoreValve study was 7.3%. In contrast, the design of PARTNER 2A specified that enrolled patients have a STS risk score of 4%-8%, a criterion actually met by 81% of the enrolled patients, and the average STS risk score of all patients enrolled in PARTNER 2A was 5.8%.

Although U.S. labeling for both the Sapien valve and its later iterations, Sapien XT and S3, and for CoreValve and its later iteration, Evolut R, specify that treated patients should have a STS risk score of at least 8%, the labeling also gives the heart teams that perform TAVR the latitude to treat patients with risk scores below 8% when the heart teams identify other patient factors that confer high risk such as frailty or comorbidities. U.S. and European TAVR registries have documented that many patients with STS risk scores below 8% have undergone TAVR since these systems received regulatory approval. The new results from PARTNER 2A may change that by leading to revised labeling that cuts the STS risk-score threshold.

“These findings might lead to a labeling change that would avoid a lot of the patient-evaluation gymnastics that have been used to justify” TAVR treatment, noted Dr. Smith. New labeling like this “would sanction what is already going on” in terms of which patients undergo TAVR.

Others who heard these results at the meeting agreed they were an important milestone in TAVR development and its expanding use.

Mitchel L. Zoler/Frontline Medical News
Dr. David R. Holmes, Jr.

The new results “make a huge difference,” commented Dr. David R. Holmes Jr., an interventional cardiologist and professor at the Mayo Clinic in Rochester, Minn. “We base many of our guidelines on the results from randomized, controlled trials. It’s true that there are reports of lower-risk patients undergoing TAVR, but we now have results from a well-designed trial with well-controlled and adjudicated endpoints that documents the safety and efficacy of TAVR in intermediate-risk patients,” Dr. Holmes said in an interview.

“The results will have a very important influence on the choice between TAVR and surgery,” commented Dr. Duane S. Pinto, an interventional cardiologist at Beth Israel Deaconess Medical Center in Boston. “It validates the strategy” of using TAVR in patients with a risk score of 4%-8%. “TAVR has already been used in these patients, but these results validate this, especially when used in a transfemoral approach,” Dr. Pinto said in an interview.

Dr. Duane S. Pinto

One aspect of PARTNER 2A that received a lot of discussion at the meeting was whether enrolled patients could appropriately be characterized as “intermediate” in their risk level. Although their average STS risk score of 5.8% fell squarely within the target range specified for the study, they averaged 82 years old, and other clinical features at baseline suggested a higher risk population. The published report of the PARTNER 2A results that appeared online concurrent with Dr. Smith’s report at the meeting (New Engl J Med 2016;doi:10.1056/NEJMoa1514616) acknowledged that STS risk scores of 4%-8% place the enrolled patients into the upper 20% for risk of all U.S. patients who undergo surgical aortic-valve replacement

“I would characterize the enrolled patients as ‘less high risk’ rather than intermediate risk,” said Dr. Pinto.

 

 

But as Dr. Smith explained “even if the enrolled patients are not ‘intermediate’ risk they are at a different risk level” than were the patients enrolled in the prior TAVR randomized trials.

In the PARTNER 1 high-risk trial, the overall 1-year rate of all-cause mortality was 24% and 27% in the TAVR and surgical arms of the study, respectively. In the CoreValve trial these rates were 14% with TAVR and 19% with surgery. In PARTNER 2A 1-year all-cause mortality was 12% with TAVR and 13% with surgery.

Two other notable findings of PARTNER 2A were the superior outcomes of patients who underwent TAVR using a transfemoral approach, and the improved outcomes that all TAVR patients had compared with surgical valve replacement for several secondary outcomes.

The rate of the study’s primary outcome, all-cause death or disabling stroke after 2 years, was cut by a relative 21% in the 77% of TAVR patients who underwent a transfemoral procedure, compared with the surgery patients, a difference that was of borderline statistical significance. In contrast, the entire group of TAVR patients, including those treated via nontransfemoral routes, had an 11% relative reduction of the primary endpoint, compared with surgery, a difference that was not statistically significant but did easily meet the study’s prespecified definition of noninferority. Dr. Smith and others were especially encouraged by these findings as PARTNER 2A used the older Sapien XT TAVR system that is not often used today in U.S. practice. When U.S. patients undergo TAVR with a balloon-expandable valve they most often receive treatment with the S3 system, much smaller than XT and hence much more likely to be used with a transfemoral approach.

Other secondary outcomes included life-threatening or disabling bleeding events, which after 2 years had occurred in 17% of the TAVR patients and 47% of those who underwent surgery; atrial fibrillation, which occurred in 11% of the TAVR patients and 27% of those undergoing surgery; and acute kidney injury which occurred in 4% of TAVR patients and 6% of the surgery patients. With 2-year follow-up, the rate of disabling strokes was 6% in both arms of the study.

PARTNER 2A was sponsored by Edwards Lifesciences, the company that markets the Sapien TAVR systems. Dr. Smith has received travel grants from Edwards. Dr. Holmes had no disclosures, Dr. Pinto has been a consultant to Medtronic.

[email protected]

On Twitter @mitchelzoler

References

References

Publications
Publications
Topics
Article Type
Display Headline
TAVR matches surgery in intermediate-risk patients
Display Headline
TAVR matches surgery in intermediate-risk patients
Legacy Keywords
TAVR, aortic stenosis, Sapien, CoreValve, Smith, Pinto, Holmes, Kirtane
Legacy Keywords
TAVR, aortic stenosis, Sapien, CoreValve, Smith, Pinto, Holmes, Kirtane
Sections
Article Source

AT ACC 16

PURLs Copyright

Inside the Article

Vitals

Key clinical point: Intermediate-risk patients who had transcatheter aortic valve replacement had a 2-year death or disabling stroke rate that was no different from patients who had surgical valve replacement.

Major finding: The 2-year rate of death or disabling stroke was 19% with transcatheter valve replacement and 21% with surgical replacement.

Data source: PARTNER 2A, a prospective, multicenter, North American trial with 2,032 enrolled patients with severe aortic-valve stenosis.

Disclosures: PARTNER 2A was sponsored by Edwards Lifesciences, the company that markets the Sapien TAVR systems. Dr. Smith has received travel grants from Edwards. Dr. Holmes had no disclosures, Dr. Pinto has been a consultant to Medtronic.

VIDEO: PARTNER 2 results extend TAVR to intermediate-risk patients

Article Type
Changed
Tue, 07/21/2020 - 14:18
Display Headline
VIDEO: PARTNER 2 results extend TAVR to intermediate-risk patients

CHICAGO – The “groundbreaking” results from the PARTNER 2 trial of transcatheter aortic valve replacement in patients at intermediate risk for death or complications from surgical replacement of a stenotic aortic valve provide substantially increased certainty that the transcatheter approach is at least as good as surgical valve replacement, commented Dr. Roxana Mehran in a video interview at the annual meeting of the American College of Cardiology.

In addition to providing important new data on the equivalence of surgical and transcatheter aortic valve replacement (TAVR) in a new target population--intermediate-risk patients, the findings from the randomized, multicenter PARTNER trial, which enrolled 2,032 patients, may also lead to expansion of the Food and Drug Administration labeling of the balloon-expandable TAVR device used in the study, the Sapien XT, to intermediate-risk patients. This expanded indication may also apply to the newer, smaller and more advanced iteration of this device, the Sapien 3, which has largely replaced the XT in U.S. practice, Dr. Mehran suggested.

Although the results came from the XT TAVR system, “these results have big relevance” to current U.S. practice said Dr. Mehran, professor and director of interventional cardiovascular research at Mount Sinai Hospital in New York.

The primary outcome of the Placement of Aortic Transcatheter Valves (PARTNER) 2 trial showed that all-cause mortality or disabling stroke after 2 years follow-up occurred in 21.2% (695) of the surgery patients and 19.3% (775) of the TAVR patients, meeting the prespecified noninferiority endpoint, with a P value of .001. Full results from the study were published online concurrent with their presentation at the meeting (New Engl J Med 2016;doi:10.1056/NEJMoa1514616).

Dr. Mehran has received consultant fees and honoraria from Abbott Vascular, AstraZeneca, and Bayer.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

On Twitter @mitchelzoler

References

Meeting/Event
Author and Disclosure Information

Publications
Topics
Sections
Author and Disclosure Information

Author and Disclosure Information

Meeting/Event
Meeting/Event

CHICAGO – The “groundbreaking” results from the PARTNER 2 trial of transcatheter aortic valve replacement in patients at intermediate risk for death or complications from surgical replacement of a stenotic aortic valve provide substantially increased certainty that the transcatheter approach is at least as good as surgical valve replacement, commented Dr. Roxana Mehran in a video interview at the annual meeting of the American College of Cardiology.

In addition to providing important new data on the equivalence of surgical and transcatheter aortic valve replacement (TAVR) in a new target population--intermediate-risk patients, the findings from the randomized, multicenter PARTNER trial, which enrolled 2,032 patients, may also lead to expansion of the Food and Drug Administration labeling of the balloon-expandable TAVR device used in the study, the Sapien XT, to intermediate-risk patients. This expanded indication may also apply to the newer, smaller and more advanced iteration of this device, the Sapien 3, which has largely replaced the XT in U.S. practice, Dr. Mehran suggested.

Although the results came from the XT TAVR system, “these results have big relevance” to current U.S. practice said Dr. Mehran, professor and director of interventional cardiovascular research at Mount Sinai Hospital in New York.

The primary outcome of the Placement of Aortic Transcatheter Valves (PARTNER) 2 trial showed that all-cause mortality or disabling stroke after 2 years follow-up occurred in 21.2% (695) of the surgery patients and 19.3% (775) of the TAVR patients, meeting the prespecified noninferiority endpoint, with a P value of .001. Full results from the study were published online concurrent with their presentation at the meeting (New Engl J Med 2016;doi:10.1056/NEJMoa1514616).

Dr. Mehran has received consultant fees and honoraria from Abbott Vascular, AstraZeneca, and Bayer.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

On Twitter @mitchelzoler

CHICAGO – The “groundbreaking” results from the PARTNER 2 trial of transcatheter aortic valve replacement in patients at intermediate risk for death or complications from surgical replacement of a stenotic aortic valve provide substantially increased certainty that the transcatheter approach is at least as good as surgical valve replacement, commented Dr. Roxana Mehran in a video interview at the annual meeting of the American College of Cardiology.

In addition to providing important new data on the equivalence of surgical and transcatheter aortic valve replacement (TAVR) in a new target population--intermediate-risk patients, the findings from the randomized, multicenter PARTNER trial, which enrolled 2,032 patients, may also lead to expansion of the Food and Drug Administration labeling of the balloon-expandable TAVR device used in the study, the Sapien XT, to intermediate-risk patients. This expanded indication may also apply to the newer, smaller and more advanced iteration of this device, the Sapien 3, which has largely replaced the XT in U.S. practice, Dr. Mehran suggested.

Although the results came from the XT TAVR system, “these results have big relevance” to current U.S. practice said Dr. Mehran, professor and director of interventional cardiovascular research at Mount Sinai Hospital in New York.

The primary outcome of the Placement of Aortic Transcatheter Valves (PARTNER) 2 trial showed that all-cause mortality or disabling stroke after 2 years follow-up occurred in 21.2% (695) of the surgery patients and 19.3% (775) of the TAVR patients, meeting the prespecified noninferiority endpoint, with a P value of .001. Full results from the study were published online concurrent with their presentation at the meeting (New Engl J Med 2016;doi:10.1056/NEJMoa1514616).

Dr. Mehran has received consultant fees and honoraria from Abbott Vascular, AstraZeneca, and Bayer.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

[email protected]

On Twitter @mitchelzoler

References

References

Publications
Publications
Topics
Article Type
Display Headline
VIDEO: PARTNER 2 results extend TAVR to intermediate-risk patients
Display Headline
VIDEO: PARTNER 2 results extend TAVR to intermediate-risk patients
Sections
Article Source

AT ACC 16

PURLs Copyright

Inside the Article

VIDEO: HOPE-3 trial expands scope of primary cardiovascular prevention

Article Type
Changed
Fri, 01/18/2019 - 15:49
Display Headline
VIDEO: HOPE-3 trial expands scope of primary cardiovascular prevention

CHICAGO – The HOPE-3 trial has brought the primary prevention of cardiovascular disease front-and-center as a hot topic of discussion at the annual meeting of the American College of Cardiology.

The large, randomized trial provides new evidence of a significant reduction in cardiovascular events in an intermediate-risk population that hasn’t previously been the focus of risk reduction via pharmacotherapy.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

The double-blind study randomized nearly 13,000 intermediate-risk men and women with no baseline cardiovascular disease to lipid-lowering with rosuvastatin (Crestor) at 10 mg/day or placebo, dual-antihypertensive therapy with candesartan plus chlorothiazide or placebo regardless of baseline blood pressure, or all three drugs or placebo. After a median of 5.6 years, the combined-therapy group had a 29% reduction in the composite of cardiovascular death or nonfatal MI or stroke compared with placebo-treated controls. Impressively, the benefit was similar regardless of baseline LDL-cholesterol level; however, only subjects with hypertension benefited from the dual-antihypertensive therapy.

In this interview, Dr. B. Hadley Wilson of the Sanger Clinic in Charlotte, N.C., explains why he considers HOPE-3 to be a giant step forward in preventive cardiolo

[email protected]

References

Meeting/Event
Author and Disclosure Information

Publications
Topics
Legacy Keywords
HOPE-3, primary cardiovascular preventon
Sections
Author and Disclosure Information

Author and Disclosure Information

Meeting/Event
Meeting/Event

CHICAGO – The HOPE-3 trial has brought the primary prevention of cardiovascular disease front-and-center as a hot topic of discussion at the annual meeting of the American College of Cardiology.

The large, randomized trial provides new evidence of a significant reduction in cardiovascular events in an intermediate-risk population that hasn’t previously been the focus of risk reduction via pharmacotherapy.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

The double-blind study randomized nearly 13,000 intermediate-risk men and women with no baseline cardiovascular disease to lipid-lowering with rosuvastatin (Crestor) at 10 mg/day or placebo, dual-antihypertensive therapy with candesartan plus chlorothiazide or placebo regardless of baseline blood pressure, or all three drugs or placebo. After a median of 5.6 years, the combined-therapy group had a 29% reduction in the composite of cardiovascular death or nonfatal MI or stroke compared with placebo-treated controls. Impressively, the benefit was similar regardless of baseline LDL-cholesterol level; however, only subjects with hypertension benefited from the dual-antihypertensive therapy.

In this interview, Dr. B. Hadley Wilson of the Sanger Clinic in Charlotte, N.C., explains why he considers HOPE-3 to be a giant step forward in preventive cardiolo

[email protected]

CHICAGO – The HOPE-3 trial has brought the primary prevention of cardiovascular disease front-and-center as a hot topic of discussion at the annual meeting of the American College of Cardiology.

The large, randomized trial provides new evidence of a significant reduction in cardiovascular events in an intermediate-risk population that hasn’t previously been the focus of risk reduction via pharmacotherapy.

The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel

The double-blind study randomized nearly 13,000 intermediate-risk men and women with no baseline cardiovascular disease to lipid-lowering with rosuvastatin (Crestor) at 10 mg/day or placebo, dual-antihypertensive therapy with candesartan plus chlorothiazide or placebo regardless of baseline blood pressure, or all three drugs or placebo. After a median of 5.6 years, the combined-therapy group had a 29% reduction in the composite of cardiovascular death or nonfatal MI or stroke compared with placebo-treated controls. Impressively, the benefit was similar regardless of baseline LDL-cholesterol level; however, only subjects with hypertension benefited from the dual-antihypertensive therapy.

In this interview, Dr. B. Hadley Wilson of the Sanger Clinic in Charlotte, N.C., explains why he considers HOPE-3 to be a giant step forward in preventive cardiolo

[email protected]

References

References

Publications
Publications
Topics
Article Type
Display Headline
VIDEO: HOPE-3 trial expands scope of primary cardiovascular prevention
Display Headline
VIDEO: HOPE-3 trial expands scope of primary cardiovascular prevention
Legacy Keywords
HOPE-3, primary cardiovascular preventon
Legacy Keywords
HOPE-3, primary cardiovascular preventon
Sections
Article Source

AT ACC 16

PURLs Copyright

Inside the Article