๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-07-23

A Study of Orforglipron (LY3502970) in Adult Participants With Obesity or Overweight With Weight-Related Comorbidities (NCT05869903)

A Phase 3, Randomized, Double-Blind Study to Investigate the Efficacy and Safety of Once-Daily Oral Orforglipron Compared With Placebo in Adult Participants With Obesity or Overweight With Weight-Related Comorbidities (ATTAIN-1)

๐Ÿ”ต Active, Not Recruiting Phase3 ๐Ÿ’Š Investigational Drug / Biologic Sponsor: Eli Lilly and Company

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

This study will investigate the efficacy and safety of once daily oral orforglipron in adult participants with obesity or overweight with weight-related comorbidities. The study has two phases: a main phase and an extension phase. The main phase of the study lasted 72 weeks. Participants with prediabetes will continue in the extension for another 2 years.

Who can join: Review the eligibility criteria below.

Location: The Institute for Liver Health II dba Arizona Clinical Trials - Mesa โ€” Chandler, Arizona

Age range: 18 Years

๐Ÿงช Interventions in This Study

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (138 Sites)

Showing the first 25 of 138 sites.

  • The Institute for Liver Health II dba Arizona Clinical Trials - Mesa โ€” Chandler, Arizona
  • Clinical Research Institute of Arizona (CRI) - Sun City West โ€” Sun City West, Arizona
  • John Muir Physician Network Research Center โ€” Concord, California
  • AMCR Institute โ€” Escondido, California
  • NorCal Medical Research, Inc โ€” Greenbrae, California
  • Velocity Clinical Research, Huntington Park โ€” Huntington Park, California
  • Velocity Clinical Research, Westlake โ€” Los Angeles, California
  • Catalina Research Institute, LLC โ€” Montclair, California
  • Norcal Endocrinology & Internal Medicine โ€” San Ramon, California
  • University Clinical Investigators, Inc. โ€” Tustin, California
  • University of Colorado Anschutz Medical Campus โ€” Aurora, Colorado
  • New Age Medical Research Corporation โ€” Miami, Florida
  • South Broward Research โ€” Miramar, Florida
  • Renstar Medical Research โ€” Ocala, Florida
  • Jedidiah Clinical Research - Tampa - Bay Plaza โ€” Tampa, Florida
  • Clinical Site Partners, LLC dba Flourish Research โ€” Winter Park, Florida
  • Physicians Research Associates โ€” Lawrenceville, Georgia
  • East Coast Institute for Research, LLC โ€” Macon, Georgia
  • Rophe Adult and Pediatric Medicine/SKYCRNG โ€” Union City, Georgia
  • East-West Medical Research Institute โ€” Honolulu, Hawaii
  • Elite Clinical Trials โ€” Blackfoot, Idaho
  • Cotton O'Neil Clinical Research Center โ€” Topeka, Kansas
  • Cotton O'Neil Diabetes & Endocrinology โ€” Topeka, Kansas
  • Pennington Biomedical Research Center โ€” Baton Rouge, Louisiana
  • Care Access - Lake Charles โ€” Lake Charles, Louisiana

๐Ÿ’ฐ 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 ยง 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.

Explore by condition: All Obesity clinical trials

๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—