Clinical trial Recruiting at 47 sites Phase 2 Interventional Ages 18 to 75

Evaluating interventions for managing obesity and overweight

Official title: A Master Protocol for a Randomized, Controlled, Clinical Trial of Multiple Interventions for Chronic Weight Management in Adult Participants With Obesity or Overweight

Run by Eli Lilly and Company · NCT06143956 · Data updated 2026-11-12

This study is testing different new treatments to see if they can help people with obesity and overweight manage their weight safely and effectively.

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years to 75 Years
SexAll
Enrollment1481 (estimated)
SponsorEli Lilly and Company
Industry-sponsored
Locations57 sites (Chandler, Arizona and 56 other locations)
StatusRecruiting
StartedNovember 17, 2023
Main results expectedSeptember 2027
Study endsFebruary 2028
Registry record updatedOctober 7, 2026
Trial IDNCT06143956 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults with a BMI of 27 kg/m² or higher, or those with a BMI of 30 kg/m² or higher, who have maintained stable body weight for the past three months.

Probably not a fit

Patients with a history of certain cardiovascular conditions, poorly controlled hypertension, or prior surgical treatments for obesity may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This Phase-2 chronic weight management master protocol aims to assess the safety and efficacy of various investigational treatments for obesity and overweight. The study utilizes a framework that allows for the evaluation of multiple intervention-specific appendices (ISAs), which can be initiated independently as they become available. Participants will be screened based on specific entry criteria, and results will be reported once all ISAs are completed.

Why it matters

Potential benefit: If successful, this study could provide new effective treatment options for individuals struggling with obesity and overweight.

How similar studies have gone: Other studies have shown promise in evaluating interventions for obesity, but this master protocol approach with multiple ISAs is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Have a body mass index (BMI)

  * ≥30 kilogram/square meter (kg/m²), or
  * ≥27 kg/m² and \<30 kg/m², or with at least 1 weight-related comorbidity
* Have had a stable body weight for the 3 months prior to randomization (\<5%) body weight gain and/or loss.

Exclusion Criteria:

* Have a prior or planned surgical treatment for obesity, except prior liposuction or abdominoplasty, if performed \>1 year prior to screening.
* Have type 1 diabetes mellitus, latent autoimmune diabetes in adults, or history of ketoacidosis or hyperosmolar coma.
* Have poorly controlled hypertension.
* Have signs and symptoms of any liver disease other than nonalcoholic fatty liver disease.
* Have any of the following cardiovascular conditions within 3 months prior to screening:

  * acute myocardial infarction
  * cerebrovascular accident (stroke)
  * unstable angina, or
  * hospitalization due to congestive heart failure.
* Have a history of symptomatic gallbladder disease within the past 2 years.
* Have a lifetime history of suicide attempts.

Where it's running

  • The Institute for Liver Health II dba Arizona Clinical Trials - Mesa
    Chandler, Arizona, United States
    Recruiting
  • Headlands Research - Scottsdale
    Scottsdale, Arizona, United States
    Recruiting
  • The Institute for Liver Health II dba Arizona Liver Health-Tucson
    Tucson, Arizona, United States
    Recruiting
  • NorCal Medical Research, Inc
    Greenbrae, California, United States
    Recruiting
  • Velocity Clinical Research, Huntington Park
    Huntington Park, California, United States
    Recruiting
  • Peninsula Research Associates
    Rolling Hills Estates, California, United States
    Recruiting
Show 44 more locations
  • Diablo Clinical Research, Inc.
    Walnut Creek, California, United States
    Recruiting
  • Stamford Therapeutics Consortium
    Stamford, Connecticut, United States
    Recruiting
  • New Horizon Research Center
    Miami, Florida, United States
    Recruiting
  • Indago Research & Health Center, Inc
    Miami Lakes, Florida, United States
    Recruiting
  • Suncoast Clinical Research, Inc.
    New Port Richey, Florida, United States
    Recruiting
  • Charter Research - Winter Park
    Orlando, Florida, United States
    Recruiting
  • Charter Research - Lady Lake
    The Villages, Florida, United States
    Recruiting
  • Medical Research Partners
    Ammon, Idaho, United States
    Recruiting
  • Great Lakes Clinical Trials - Ravenswood
    Chicago, Illinois, United States
    Recruiting
  • Iowa Diabetes and Endocrinology Research Center
    West Des Moines, Iowa, United States
    Recruiting
  • Cotton O'Neil Diabetes & Endocrinology
    Topeka, Kansas, United States
    Recruiting
  • Monroe Biomedical Research - Louisville
    Louisville, Kentucky, United States
    Recruiting
  • Knownwell
    Needham, Massachusetts, United States
    Recruiting
  • Lucida Clinical Trials
    New Bedford, Massachusetts, United States
    Recruiting
  • Headlands Research - Detroit
    Southfield, Michigan, United States
    Recruiting
  • Arcturus Healthcare , PLC, Troy Internal Medicine Research Division
    Troy, Michigan, United States
    Recruiting
  • StudyMetrix Research
    City of Saint Peters, Missouri, United States
    Recruiting
  • Clinvest Headlands Llc
    Springfield, Missouri, United States
    Recruiting
  • Las Vegas Medical Research
    Las Vegas, Nevada, United States
    Recruiting
  • Dent Neurologic Institute
    Amherst, New York, United States
    Recruiting
  • Velocity Clinical Research, Syracuse
    East Syracuse, New York, United States
    Recruiting
  • Rochester Clinical Research, LLC
    Rochester, New York, United States
    Recruiting
  • Medication Management
    Greensboro, North Carolina, United States
    Recruiting
  • Monroe Biomedical Research
    Monroe, North Carolina, United States
    Recruiting
  • Lucas Research, Inc
    Morehead City, North Carolina, United States
    Recruiting
  • Lucas Research, Inc.
    New Bern, North Carolina, United States
    Recruiting
  • CTI Clinical Research Center
    Cincinnati, Ohio, United States
    Recruiting
  • Tribe Clinical Research, LLC
    Greenville, South Carolina, United States
    Recruiting
  • Quality Medical Research
    Nashville, Tennessee, United States
    Recruiting
  • IMA Clinical Research Austin
    Austin, Texas, United States
    Recruiting
  • Velocity Clinical Research, Dallas
    Dallas, Texas, United States
    Recruiting
  • FutureSearch Trials of Dallas
    Dallas, Texas, United States
    Recruiting
  • PlanIt Research, PLLC
    Houston, Texas, United States
    Recruiting
  • Endeavor Clinical Trials
    San Antonio, Texas, United States
    Recruiting
  • Texas Valley Clinical Research
    Weslaco, Texas, United States
    Recruiting
  • Sovah Clinical Research-River District
    Danville, Virginia, United States
    Recruiting
  • Central Washington Health Services Association d/b/a Confluence Health
    Wenatchee, Washington, United States
    Recruiting
  • Cicemo Srl
    Buenos Aires, Argentina
    Recruiting
  • Centro de Investigaciones Metabólicas (CINME)
    Buenos Aires, Argentina
    Recruiting
  • Centro Médico Viamonte
    Buenos Aires, Argentina
    Recruiting
  • Centro Medico Dra. Laura Maffei- Investigacion Clinica Aplicada
    Buenos Aires, Argentina
    Recruiting
  • HOPE Research Institute
    Phoenix, Arizona, United States
    Completed
  • Northeast Research Institute (NERI)
    Fleming Island, Florida, United States
    Completed
  • Pacific Diabetes & Endocrine Center
    Honolulu, Hawaii, United States
    Completed

+7 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.