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
| Phase | Phase 2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years to 75 Years |
| Sex | All |
| Enrollment | 1481 (estimated) |
| Sponsor | Eli Lilly and Company Industry-sponsored |
| Locations | 57 sites (Chandler, Arizona and 56 other locations) |
| Status | Recruiting |
| Started | November 17, 2023 |
| Main results expected | September 2027 |
| Study ends | February 2028 |
| Registry record updated | October 7, 2026 |
| Trial ID | NCT06143956 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
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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
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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
- Study coordinator: Trial questions or participation questions: 1-877-CTLILLY (1-877-285-4559) or
- Email: LillyTrials@Lilly.com
- Phone: 1-317-615-4559
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.