Sotatercept improved walking performance in adults with pulmonary arterial hypertension
Adults with high blood pressure in the lung arteries walked farther with sotatercept than placebo in pooled trials. Low platelet counts were more frequent, and follow-up duration was unspecified.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Sotatercept improved walking-test performance compared with placebo in adults with pulmonary arterial hypertension. The review also reported fewer deaths and cases of right ventricular failure, meaning failure of the heart's right pumping chamber. These findings came alongside an increased risk of low platelet counts; the abstract does not report follow-up duration.
The abstract omits follow-up durations and absolute event counts for deaths and adverse effects. Those omissions limit assessment of how often benefits and harms occurred and whether differences persisted over time.
What researchers found
Six-minute walk distance
Sotatercept versus placebo: pooled mean difference 40.17 m (95% confidence interval 15.14–65.19). Treatment follow-up duration was not reported in the abstract.
Different kinds of outcomes
The review assessed walking performance, functional status, blood measurements and circulation measurements alongside deaths and heart failure. Improvements in a blood marker are separate evidence from changes in clinical events, even when both favor treatment.
The safety tradeoff
Thrombocytopenia means a low platelet count. This outcome was more frequent with sotatercept than placebo. The abstract supplies a relative risk estimate, but no absolute counts that would show how common the problem was.
The original publication
Efficacy and safety of sotatercept in pulmonary arterial hypertension: a systematic review and meta-analysis of randomized controlled trials with trial sequential analysis.
Shalabi L, Tabassum S, Al Zoubi BM et al.
Naunyn Schmiedebergs Arch Pharmacol · 2025
- PubMed ID
- 40668414
- Record checked
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