Phase 3 · NCT05931367

TRIUMPH-4

A Phase 3 Study to Investigate the Efficacy and Safety of LY3437943 Once Weekly in Participants Who Have Obesity or Overweight and Osteoarthritis of the Knee: A Randomized, Double-Blind, Placebo-Controlled Trial

Sponsor topline result
What this means

The sponsor announced these results. A linked, verified peer-reviewed results publication is not confirmed in the stored records.

Figure / record sourceLast verified 30 Sept 2026

Registry record

Trial details

Trial
TRIUMPH-4
ClinicalTrials.gov ID
NCT05931367
Indication
Obesity, Overweight, Osteo Arthritis Knee
Phase
Phase 3
Study type
Interventional
Sponsor
Eli Lilly and Company
Enrolment
445
Status
Completed
Interventions
Drug: Retatrutide; Drug: Placebo
Comparator
Placebo
Eligible ages
18 Years – No maximum
Locations
49 sites · Australia, Canada, Mexico, Spain, United Kingdom, United States
Study start
1 Aug 2023
Primary completion
14 Nov 2025
Study completion
14 Nov 2025
View registry record →

Verification

Last verified
23 Oct 2026
Source
ClinicalTrials.gov
Registry last updated
21 Jan 2026

Endpoints

Primary

Change from Baseline in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) Pain Subscale Score; Percent Change from Baseline in Body Weight

Secondary

Change from Baseline in the WOMAC Physical Function Subscale Score; Change from Baseline in Waist Circumference; Percent Change from Baseline in Total Cholesterol; Percent Change from Baseline in Triglycerides; Change from Baseline in Body Mass Index (BMI); Change from Baseline in Systolic Blood Pressure (SBP); Change from Baseline in Diastolic Blood Pressure (DBP); Percent Change from Baseline in Fasting Insulin; Change from Baseline in Short Form 36-Version 2 (SF-36v2) Acute Form Physical Functioning Domain Score; Change from Baseline in Average Pain Intensity Numeric Rating Score (API-NRS) Score; Change from Baseline in Worst Pain Intensity Numeric Rating Score (WPI-NRS) Score