🏛️ Verified NIH Record • Updated 2026-04-16
A Study of Retatrutide (LY3437943) in Participants With Obesity or Overweight (NCT07232719)
A Phase 3b Study to Investigate the Efficacy and Safety of Retatrutide Once Weekly in Participants Without Type 2 Diabetes Who Have Obesity or Overweight: A Randomized, Double-Blind, Placebo-Controlled Trial
🔵 Active, Not Recruiting Phase3 💊 Investigational Drug / Biologic Sponsor: Eli Lilly and Company
🩺 Plain-English Summary (8th-Grade Level)
The purpose of this study is to evaluate the efficacy and safety of retatrutide compared with placebo for body weight reduction. Participation in the study will last about 65 weeks and may include about 18 visits.
Who can join: Review the eligibility criteria below.
Location: Artemis Institute for Clinical Research — Riverside, California
Age range: 18 Years
🧪 Interventions in This Study
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (31 Sites)
Showing the first 25 of 31 sites.
- Artemis Institute for Clinical Research — Riverside, California
- JEM Research Institute — Atlantis, Florida
- Headlands Research Orlando — Orlando, Florida
- Care Access - Tamarac — Tamarac, Florida
- Care Access - Arlington Heights — Arlington Heights, Illinois
- L-MARC Research Center — Louisville, Kentucky
- IMA Clinical Research Monroe - Armand — Monroe, Louisiana
- Pharmasite Research, Inc. — Baltimore, Maryland
- Clinical Research Professionals — Chesterfield, Missouri
- Clinvest Headlands Llc — Springfield, Missouri
- IMA Clinical Research Warren — Warren Township, New Jersey
- IMA Clinical Research Manhattan — New York, New York
- Trial Management Associates - Wilmington - Floral Parkway — Wilmington, North Carolina
- Cedar Health Research — Dallas, Texas
- Headlands Research-El Paso — El Paso, Texas
- Cedar Health Research - Euless — Euless, Texas
- Cedar Health Research - Fort Worth — Fort Worth, Texas
- Care Access - Houston — Houston, Texas
- IMA Clinical Research San Antonio — San Antonio, Texas
- FutureMeds - Birmingham — Birmingham,
- Layton Medical Centre — Blackpool,
- Bradford on Avon Health Centre — Bradford-on-Avon,
- FutureMeds - Liverpool — Bromborough,
- Cheadle Community Hospital — Cheadle,
- HMC Health Group - Meadows Centre for Health — Hounslow,
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
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💡 How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.