Obesity

Tirzepatide for reduction of morbidity and mortality in adults with obesity: rationale and design of the SURMOUNT ‐ MMO trial

Obesity (Silver Spring)Published Design and rationale of a randomised controlled trial

Study context

Population
Adults aged ≥40 with obesity or overweight (BMI ≥27.0 kg/m²), without diabetes, with established CVD or multiple cardiovascular risk factors; 664 sites across 27 countriesplanned enrolment
Participants
≈15,000 adults
Planned comparison
Once-weekly tirzepatide vs placebo
Primary endpoint
Time to first occurrence of a five-component composite of:
  • Nonfatal MI
  • Nonfatal stroke
  • Coronary revascularization
  • HF events
  • Death from any cause
Methodological detailsdouble-blind, event-driven, placebo-controlled, multinational
  • Double-blind
  • Event-driven
  • Placebo-controlled
  • Multinational

No results yet. This paper sets out the design of a trial; its results are to come.

Original publication

Tirzepatide for reduction of morbidity and mortality in adults with obesity: rationale and design of the SURMOUNT ‐ MMO trial. Obesity (Silver Spring). Published 22 June 2025. doi:10.1002/oby.24332

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