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Resources/Featured article

A planned sex comparison in heart-failure trials helps readers separate weight results from symptom results.

By S7 Sciences Research DeskUpdated September 30, 20262 min read
S7 Sciences
The short version

A larger weight response does not automatically mean a larger symptom response.

Featured original sourceS7 adaptation and commentary

Efficacy of Semaglutide by Sex in Obesity-Related Heart Failure With Preserved Ejection Fraction: STEP-HFpEF Trials

Subodh Verma and colleagues; STEP-HFpEF Trial Committees and Investigators

Journal of the American College of Cardiology · Online June 23, 2024; August 27, 2024 issue

“regardless of sex”

The article below is an original S7 Sciences summary and analysis. The quoted passage is brief and attributed; the complete original remains with its author and publisher.

Read the complete original source

A planned comparison

Verma and colleagues pooled two randomized semaglutide trials in obesity-related heart failure with preserved ejection fraction. Of 1,145 participants, 570 were women. The analysis compared changes over 52 weeks by sex.

Weight and symptoms diverged

Compared with placebo, weight reduction was greater in women than men: 9.6 versus 7.2 percentage points. Yet the improvement in a heart-failure symptom and limitation score was almost identical: 7.6 versus 7.5 points. The analysis supported a sex difference for weight change, but not for that symptom outcome.

Ask an outcome-specific question

S7’s reading lesson is to ask which result differs, rather than saying a medicine simply works better for women. A subgroup analysis cannot establish identical responses in every individual. These findings concern a defined heart-failure population, not healthy adults. The full indexed abstract was reviewed; publisher full text was unavailable. This is not treatment advice or proof of research-vial equivalence.

Evidence summary, not treatment guidance

This article is educational and does not contain medical advice, dosing, administration, or cycling instructions. Research-use-only products are not intended for human or veterinary use.

Primary and authoritative sources

Read the evidence behind this article.

Efficacy of Semaglutide by Sex in Obesity-Related Heart Failure With Preserved Ejection Fraction: STEP-HFpEF TrialsSubodh Verma and colleagues; STEP-HFpEF Trial Committees and InvestigatorsJournal of the American College of Cardiology

Complete indexed abstract reviewed. DOI: 10.1016/j.jacc.2024.06.001. Prespecified secondary analysis.

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