Tirzepatide vs Semaglutide for Obesity: The SURMOUNT-5 Head-to-Head Trial
Head-to-head comparison of tirzepatide vs semaglutide for obesity treatment finds tirzepatide produces greater weight loss, establishing dual agonism superiority.
Quick Facts
What This Study Found
Head-to-head comparison of tirzepatide vs semaglutide for obesity treatment finds tirzepatide produces greater weight loss, establishing dual agonism superiority.
Key Numbers
1:1 randomization. Tirzepatide max tolerated: 10 or 15 mg. Semaglutide max tolerated: 1.7 or 2.4 mg. Both subcutaneous weekly.
How They Did This
In publication.
Why This Research Matters
Relevant to peptide therapeutics.
The Bigger Picture
Advances peptide evidence.
What This Study Doesn't Tell Us
In publication.
Questions This Raises
- ?Long-term implications?
- ?Evidence comparison?
- ?Next steps?
Trust & Context
- Key Stat:
- Key finding Head-to-head comparison of tirzepatide vs semaglutide for obesity treatment finds tirzepatide produc
- Evidence Grade:
- Based on design.
- Study Age:
- Published in 2025.
- Original Title:
- Tirzepatide as Compared with Semaglutide for the Treatment of Obesity.
- Published In:
- The New England journal of medicine, 393(1), 26-36 (2025)
- Authors:
- Aronne, Louis J(7), Horn, Deborah Bade(2), le Roux, Carel W(18), Ho, Wayne, Falcon, Beverly L, Gomez Valderas, Elisa, Das, Sagar, Lee, Clare J, Glass, Leonard C, Senyucel, Cagri, Dunn, Julia P
- Database ID:
- RPEP-09982
Evidence Hierarchy
Frequently Asked Questions
What does this mean?
Head-to-head comparison of tirzepatide vs semaglutide for obesity treatment finds tirzepatide produces greater weight loss, establishing dual agonism superiority.
How reliable?
Consult publication.
Read More on RethinkPeptides
Cite This Study
https://rethinkpeptides.com/research/RPEP-09982APA
Aronne, Louis J; Horn, Deborah Bade; le Roux, Carel W; Ho, Wayne; Falcon, Beverly L; Gomez Valderas, Elisa; Das, Sagar; Lee, Clare J; Glass, Leonard C; Senyucel, Cagri; Dunn, Julia P. (2025). Tirzepatide as Compared with Semaglutide for the Treatment of Obesity.. The New England journal of medicine, 393(1), 26-36. https://doi.org/10.1056/NEJMoa2416394
MLA
Aronne, Louis J, et al. "Tirzepatide as Compared with Semaglutide for the Treatment of Obesity.." The New England journal of medicine, 2025. https://doi.org/10.1056/NEJMoa2416394
RethinkPeptides
RethinkPeptides Research Database. "Tirzepatide as Compared with Semaglutide for the Treatment o..." RPEP-09982. Retrieved from https://rethinkpeptides.com/research/aronne-2025-tirzepatide-as-compared-with
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.