Showing all 20 entries.
Peer-reviewed29 Sep 2026
Retatrutide, a Triple Hormone Receptor Agonist, for Treatment of Obesity
Jastreboff AM, et al. New England Journal of Medicine. The full TRIUMPH-1 Phase 3 report. Abstract states 25.0% mean weight reduction at 12 mg versus 3.9% placebo (treatment-regimen estimand).
DOI 10.1056/NEJMoa2604169
Peer-reviewed26 Jun 2023
Triple–Hormone-Receptor Agonist Retatrutide for Obesity — A Phase 2 Trial
Jastreboff AM, et al. New England Journal of Medicine. 338 participants, 48 weeks. 17.5% mean reduction at the 24-week primary endpoint; 24.2% at 48 weeks.
DOI 10.1056/NEJMoa2301972
Peer-reviewed2023
Phase 2 retatrutide in type 2 diabetes
Rosenstock J, et al. The Lancet. The Phase 2 diabetes trial, against placebo and dulaglutide. Full citation pending verification — we have not confirmed volume, pages and DOI from a primary record, so we cite the registry entry and describe design only.
NCT04867785
Phase 3Reported & published
TRIUMPH-1
80-week randomised, double-blind, placebo-controlled master trial in adults with obesity or overweight without diabetes. 2,339 randomised to 4 mg, 9 mg, 12 mg or placebo. Included knee osteoarthritis and sleep apnoea basket trials.
NCT05929066 · Our summary
Phase 3Topline reported
TRIUMPH-2
80-week placebo-controlled trial in adults with type 2 diabetes and obesity or overweight. 1,152 randomised. Weight reduction up to 20.8%; A1C reduction up to 1.6%. Includes Indian sites.
NCT05929079 · Our summary
Phase 3Topline reported
TRIUMPH-3
80-week placebo-controlled trial in severe obesity with established cardiovascular disease. 1,949 randomised 1:1:2. Weight reduction up to 22.6%. Cardiovascular event analyses had confidence intervals crossing 1.0.
NCT05882045 · Our summary
Phase 3Topline reported
TRIUMPH-4
68-week placebo-controlled trial in obesity with knee osteoarthritis. 445 randomised. Co-primary endpoints of WOMAC pain and weight. The programme's first Phase 3 readout, and its highest reported dysesthesia rate.
NCT05931367 · Our summary
Not yet reportedDue Nov 2026
TRIUMPH-5 — versus tirzepatide
The only registered head-to-head comparison against tirzepatide in obesity. 800 adults, 80 weeks, percent body-weight change. The trial that will settle a question currently answered only by cross-trial guesswork.
NCT06662383 · Why it matters
Not yet reportedDue Feb 2029
TRIUMPH-Outcomes
Event-driven trial of about 10,000 participants examining major adverse cardiovascular and kidney events. The only study powered to answer the cardiovascular question. Includes Indian sites.
NCT06383390
Not yet reportedDue Apr 2028
TRIUMPH-6 — weight maintenance
Phase 3b trial of retatrutide in the maintenance of weight reduction. 643 participants, primary endpoint at week 116. Addresses what happens after initial weight reduction.
NCT06859268
Not yet reportedDue Sep 2027
TRIUMPH-7 — chronic low back pain
586 participants with obesity or overweight and chronic low back pain. Co-primary endpoints of pain intensity and percent body-weight change at up to 72 weeks.
NCT07035093
Not yet reportedDue Jul 2027
TRIUMPH-8
Phase 3b randomised, double-blind, placebo-controlled trial in 250 adults without type 2 diabetes who have obesity or overweight. Primary endpoint at week 56.
NCT07232719
Not yet reportedDue Oct 2028
TRIUMPH-9 — dose-escalation schemes
600 participants, comparing different dose-escalation schemes. Primary endpoint percent body-weight change at week 104. Relevant to how tolerability is managed in trial design.
NCT07357415
Phase 3Completed
TRANSCEND-T2D-1
537 adults with type 2 diabetes inadequately controlled with diet and exercise alone. Primary endpoint A1C change at week 40. Includes Indian sites. Completed January 2026.
NCT06354660
Not yet reportedDue Aug 2026
Retatrutide versus semaglutide (type 2 diabetes)
1,250 adults with type 2 diabetes on metformin. Open-label, primary endpoint A1C at week 80 — not an obesity trial and not weight-focused.
NCT06260722 · Why it won't settle the popular question
Not yet reportedDue Oct 2026
TRANSCEND-T2D-3 — renal impairment
320 adults with type 2 diabetes and moderate or severe renal impairment on basal insulin. Primary endpoint A1C at week 52.
NCT06297603
RecruitingDue Aug 2030
MASLD/MASH master protocol
Master protocol of multiple agents in about 4,500 adults with metabolic dysfunction-associated steatotic liver disease at increased risk of major adverse liver outcomes. Includes Indian sites.
NCT07165028
Phase 2Published
Phase 2 obesity trial
48-week randomised, double-blind, placebo-controlled trial, United States only. 338 participants across six retatrutide arms and placebo. The foundation of the Phase 3 programme.
NCT04881760
Phase 2Published
Phase 2 type 2 diabetes trial
281 participants, against placebo and dulaglutide. Primary endpoint A1C change at 24 weeks. The only completed head-to-head against another incretin agent.
NCT04867785
Phase 1Completed 2019
First-in-human study
Single-ascending-dose study of safety, tolerability and pharmacokinetics in 45 healthy participants. The start of retatrutide's clinical programme. Twelve further Phase 1 studies followed.
NCT03841630