Human RCTPubMed ID: 35015037·2022
Effect of Weekly Subcutaneous Semaglutide vs Daily Liraglutide on Body Weight (STEP 8)
Rubino DM, Greenway FL, Khalid U, et al.
JAMA, 2022 · n = 338
Key finding
Semaglutide demonstrated 2.5x greater weight loss than liraglutide in direct comparison, establishing it as the more effective GLP-1 RA for weight management.
Summary
Head-to-head trial showing semaglutide 2.4mg weekly produced 15.8% weight loss versus 6.4% with liraglutide 3.0mg daily.
Read the study
The full citation, abstract, and (when available) the full text can be accessed on PubMed. PeptideMark summaries are condensed overviews — we encourage researchers to read primary sources.
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