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A Study of Retatrutide (LY3437943) Once Weekly in Participants Who Have Obesity or Overweight and Osteoarthritis of the Knee

Completed · Phase 3 · NCT05931367

Conditions: Obesity, Overweight, Osteo Arthritis Knee

At a glance

Research payments reported, 2025
$1.8M
U.S. investigators named
21
Sites paid
17
Planned or actual enrollment
445

About the trial

Sponsor
Eli Lilly and Company
Tested
Retatrutide (drug), Placebo (drug)
Dates
Started 2023-08-01; completion 2025-11-14
Results posted
Not yet

The main purpose of this study is to evaluate the safety and efficacy of retatrutide once-weekly in participants who have obesity or are overweight and have osteoarthritis (OA) of the knee. The study will lasts about 77 weeks.

From ClinicalTrials.gov, last updated 2026-01-21. Full record, eligibility and contacts (opens in a new tab)

Industry funding

Eli Lilly and Company reported $1.8M in research payments for this study in 2025 (38 payments).

Research payments usually go to hospitals, universities and research sites to run a study, not to the investigators personally. A payment is not evidence of wrongdoing.

U.S. investigators named on this study

Clinicians the company named as principal investigators in its Open Payments reports.

Sites paid to run it

  • North Georgia Clinical Research $408,644
  • Great Lakes Research Group Inc $390,589
  • Northwest Clinical Research Center $228,694
  • Medvadis Research Corp LLC $142,356
  • Artemis Headlands LLC $126,384
  • Northwestern University $100,218
  • Biopharma Informatic Inc $99,887
  • Suncoast Research $95,865
  • Chase Medical Research LLC $53,949
  • Clinvest Headlands LLC $45,631
  • Arizona Research Center $39,882
  • Elite Clinical Trials Lllp $28,040
  • Clinical Trials of Texas Inc $26,683
  • Cleveland Clinic, OH $710
  • Suncoast Clinical Research $405
  • Clinvest Research LLC $195
  • Banyan Group Inc $105
  • $18

Sources: CMS Open Payments research payments (program year 2025) and ClinicalTrials.gov, U.S. National Library of Medicine.