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HealthVetted
Clinical trials

SURPASS-2

Head-to-head trial of Mounjaro (tirzepatide) vs Ozempic (semaglutide) in T2D.

SURPASS-2 randomized 1,879 adults with type 2 diabetes inadequately controlled on metformin to tirzepatide 5, 10, or 15 mg or semaglutide 1 mg weekly for 40 weeks. A1C reductions: 2.01-2.30% with tirzepatide vs 1.86% with semaglutide. Tirzepatide superior at all doses in head-to-head comparison. NEJM 2021.

Related terms
Tirzepatide
Dual GIP/GLP-1 receptor agonist; active ingredient in Mounjaro and Zepbound.
Semaglutide
GLP-1 receptor agonist; active ingredient in Wegovy, Ozempic, and Rybelsus.