A study testing whether a new weekly shot from Lilly, retatrutide, can help people reduce liver fat.

Recruiting now. Registry record last updated August 21, 2026.

Who can join
Adults 18+, have fatty liver disease (also called MASH or NASH), BMI 25+.
What you take
retatrutide, given as part of the study. Check ClinicalTrials.gov for this trial's study groups, including any placebo or comparison medicine.
How long it lasts
The full study runs about 6.8 years; your own time in it is usually shorter.
What you get
Many clinical trials pay for the study medication and the study visits. Some also pay for travel. Ask the study team what this one covers before you sign the consent form.
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Phase Phase 3Sponsor Eli Lilly and CompanyDrug retatrutideClass Triple agonistSites 142 USEnrollment target 4,500

What this study is for

Primary condition: Metabolic Dysfunction-Associated Steatotic Liver Disease.

Full scientific study title: A Master Protocol of Multiple Agents in Adults With Metabolic Dysfunction-Associated Steatotic Liver Disease (SYNERGY-Outcomes).

Who can join

Age18 and upSexAnyBMI25 or higher

Adults 18+, have fatty liver disease (also called MASH or NASH), BMI 25+. A site coordinator confirms whether you qualify during a free screening visit. The exact medical requirements are below.

Full medical eligibility (for you and your doctor)verbatim from the registry

This is the exact wording from ClinicalTrials.gov, including clinical measures (lab values, imaging scores). Bring it to your doctor if any of it is unclear.

Key inclusion criteria

  • Have liver fat content ≥8%
  • Have ELF score of ≥9 and ≤10.8 at screening
  • Have VCTE LSM ≥10 kilopascal (kPa) and \<20 kPa at screening

Key exclusion criteria

  • Have any other type of liver disease other than MASLD
  • Have a body mass index (BMI) \<25 kilogram per square meter (kg/m2)
  • Prior decompensated liver disease (history of esophageal/gastric varices, ascites, hepatic encephalopathy)
  • Have lost more than 11 pounds within the 3 months prior to screening
  • Have a hemoglobin A1c (HbA1c) greater than 10%

Where this trial is enrolling

This trial has 142 sites across 35 states. Contact a site coordinator directly to start screening.

Alabama1 site
  • MFA Clinical Research
    Tuscaloosa, Alabama
    205-331-4963
Arizona6 sites
  • The Institute for Liver Health II dba Arizona Clinical Trials - Chandler
    Chandler, Arizona
  • Spectrum Research Institute
    Gilbert, Arizona
  • The Institute for Liver Health II dba Arizona Liver Health - Peoria
    Peoria, Arizona
    480-470-4000
  • Epic Medical Research-Sun City
    Sun City, Arizona
  • The Institute for Liver Health II dba Arizona Clinical Trials - Tucson
    Tucson, Arizona
  • Del Sol Research Management, LLC
    Tucson, Arizona
    520-257-3881
Arkansas1 site
  • Arkansas Gastroenterology - North Little Rock
    North Little Rock, Arkansas
California14 sites
  • San Fernando Valley Health Institute
    Canoga Park, California
    818-222-6868
  • Ark Clinical Research - Fountain Valley
    Fountain Valley, California
    714-988-2021
  • Fresno Clinical Research Center
    Fresno, California
    559-970-3441
  • UCSD - Altman Clinical and Translational Research Institute (ACTRI)
    La Jolla, California
    858-246-2227
  • Orange County Research Center
    Lake Forest, California
    714-550-9990
  • Om Research LLC
    Lancaster, California
    661-388-2239
  • Ark Clinical Research
    Long Beach, California
    562-997-1000
  • Los Angeles Institute for Metabolic Research
    Los Angeles, California
    213-373-8380
  • United Medical Doctors - Murrieta
    Murrieta, California
    951-566-5229
  • Knowledge Research Center
    Orange, California
    657-247-0087
  • California Liver Research Center
    Pasadena, California
    626-795-5769
  • Artemis Institute for Clinical Research
    Riverside, California
    951-374-1190
  • Medical Associates Research Group
    San Diego, California
    858-277-5678
  • Quest Clinical Research
    San Francisco, California
    415-353-0800
Colorado2 sites
  • University of Colorado Anschutz Medical Campus
    Aurora, Colorado
    303-724-4651
  • South Denver Gastroenterology
    Englewood, Colorado
Connecticut1 site
  • Medical Research Center of Connecticut
    Hamden, Connecticut
Florida23 sites
  • K2 Medical Research WINTER GARDEN
    Clermont, Florida
    407-426-9299
  • K2 Medical Research - Daytona Beach
    Daytona Beach, Florida
  • Care Access - Delray Beach
    Delray Beach, Florida
    401-773-7855
  • AMR Clinical
    Doral, Florida
  • Southwest General Healthcare Center
    Fort Myers, Florida
    239-931-3368
  • University of Florida College of Medicine
    Gainesville, Florida
    352-273-8662
  • Encore Medical Research
    Hollywood, Florida
    954-400-1725
  • Nature Coast Clinical Research - Inverness
    Inverness, Florida
    352-341-2100
  • Encore Borland-Groover Clinical Research
    Jacksonville, Florida
    904-680-0871
  • Health Awareness
    Jupiter, Florida
  • K2 MEDICAL Research THE VILLAGES
    Lady Lake, Florida
    352-500-5252
  • Florida Research Institute
    Lakewood Rch, Florida
    941-727-7772
  • Tampa Bay Medical Research - Largo
    Largo, Florida
    727-724-3316
  • Evolution Clinical Trials
    Miami, Florida
    786-706-1216
  • Floridian Clinical Research, LLC
    Miami Lakes, Florida
    305-330-9977
  • GI PROS Research
    Naples, Florida
    239-571-0899
  • Charter Research - Orlando
    Orlando, Florida
  • Headlands Research Orlando
    Orlando, Florida
    407-705-3471
  • Progressive Medical Research
    Port Orange, Florida
    386-304-7070
  • Covenant Metabolic Specialists - Riverview
    Riverview, Florida
    941-894-2014
  • Care Access - St. Petersburg
    St. Petersburg, Florida
    877-791-0656
  • Care Access - Tamarac
    Tamarac, Florida
    877-791-0656
  • Covenant Metabolic Specialists, LLC
    University Park, Florida
    941-894-2014
Georgia4 sites
  • Southeast Clinical Research Center
    Dalton, Georgia
    706-913-1779
  • Teak Research Consults
    Lawrenceville, Georgia
  • Gastrointestinal Specialists of Georgia
    Marietta, Georgia
    404-786-3100
  • Rophe Adult and Pediatric Medicine/SKYCRNG
    Union City, Georgia
    470-317-3604
Illinois1 site
  • University of Chicago Medical Center
    Chicago, Illinois
Indiana4 sites
  • Indiana University Health University Hospital
    Indianapolis, Indiana
    317-278-1652
  • Gastroenterology Health Partners
    New Albany, Indiana
    812-206-1702
  • Deaconess Clinic- Gateway
    Newburgh, Indiana
    812-490-4505
  • Digestive Research Alliance of Michiana
    South Bend, Indiana
    574-904-9617
Iowa1 site
  • Iowa Diabetes and Endocrinology Research Center
    West Des Moines, Iowa
Kansas3 sites
  • AMR Clinical
    El Dorado, Kansas
    316-600-5127 EXT 301
  • Johnson County Clinical Trials
    Lenexa, Kansas
  • Cotton O'Neil Digestive Health Center
    Topeka, Kansas
    785-368-0477
Kentucky1 site
  • AMR Clinical
    Lexington, Kentucky
    859-264-8999
Louisiana5 sites
  • Delta Research Partners of Bastrop, LLC
    Bastrop, Louisiana
    318-281-6040
  • Tandem Clinical Research
    Marrero, Louisiana
    504-934-8424
  • Care Access - New Iberia
    New Iberia, Louisiana
    813-851-0135
  • Louisiana Research Center
    Shreveport, Louisiana
    318-525-3233
  • Delta Research Partners of West Monroe
    West Monroe, Louisiana
Maryland2 sites
  • Mercy Medical Center - Baltimore
    Baltimore, Maryland
    410-332-9356
  • Capital Digestive Care - Chevy Chase
    Chevy Chase, Maryland
    301-841-6869
Massachusetts1 site
  • Lucida Clinical Trials
    New Bedford, Massachusetts
Michigan3 sites
  • Clinical Research Institute of Michigan, LLC
    Clinton Township, Michigan
    586-598-3329
  • Great Lakes Research Institute
    Southfield, Michigan
    248-864-5242
  • Arcturus Healthcare , PLC, Troy Internal Medicine Research Division
    Troy, Michigan
    248-312-0025
Minnesota1 site
  • MNGI Digestive Health
    Minneapolis, Minnesota
Mississippi1 site
  • GI Associates - GIA and Endoscopy Center - Flowood
    Flowood, Mississippi
    601-863-0395
Missouri1 site
  • AMR Clinical
    Kansas City, Missouri
Nevada2 sites
  • Jubilee Clinical Research NV. LLC
    Las Vegas, Nevada
    702-631-5000
  • Excel Clinical Research, LLC
    Las Vegas, Nevada
    702-680-1500
New Jersey5 sites
  • Tandem Clinical Research - Freehold
    Freehold, New Jersey
  • Atlantic Health System Morristown Medical Center
    Morristown, New Jersey
    973-971-7507
  • Clinical Research of Philadelphia
    Pennington, New Jersey
    215-676-6696
  • The Cognitive and Research Center of New Jersey - Ridgewood
    Ridgewood, New Jersey
    201-850-4622
  • IMA Clinical Research Warren
    Warren Township, New Jersey
New Mexico1 site
  • Southwest Gastroenterology Associates
    Albuquerque, New Mexico
New York5 sites
  • Research Foundation of SUNY - University of Buffalo
    Buffalo, New York
    716-535-1850
  • NYU Langone Health
    New York, New York
    646-501-2948
  • IMA Clinical Research Manhattan
    New York, New York
  • New York Gastroenterology Associates
    New York, New York
  • Care Access - Yonkers
    Yonkers, New York
North Carolina3 sites
  • Duke University - Main Hospital and Clinics
    Durham, North Carolina
  • Monroe Biomedical Research
    Monroe, North Carolina
    704-283-7359
  • Carteret Medical Group
    Morehead City, North Carolina
    252-499-8623
Ohio4 sites
  • Akron Gastro Research
    Akron, Ohio
  • Dayton Gastroenterology - Beavercreek
    Beavercreek, Ohio
    937-320-5050
  • Clinical Research Institute of Ohio - Brooklyn
    Brooklyn, Ohio
    440-363-4000
  • CRIOH
    Westlake, Ohio
    440-363-4000
Pennsylvania3 sites
  • US Digestive Health - Flourtown
    Flourtown, Pennsylvania
    215-664-4362
  • Penn Medicine: University of Pennsylvania Health System
    Philadelphia, Pennsylvania
  • US Digestive Health - Wyomissing
    Wyomissing, Pennsylvania
    610-374-4401
Rhode Island1 site
  • University Gastroenterology
    Providence, Rhode Island
South Carolina1 site
  • Columbia Digestive Health Research
    Columbia, South Carolina
Tennessee2 sites
  • Galen Medical Group - Galen Hepatology
    Chattanooga, Tennessee
    423-653-0842
  • Gastro One (Walnut Run Road)
    Cordova, Tennessee
Texas29 sites
  • IMA Clinical Research Austin
    Austin, Texas
    512-649-0082
  • American Research Corporation
    Austin, Texas
    210-253-3426
  • Pinnacle Clinical Research
    Austin, Texas
    512-384-1460 x3001
  • Bellaire Clinical Research
    Bellaire, Texas
  • South Texas Research Institute - Brownsville
    Brownsville, Texas
    956-468-3360
  • Headlands Horizons, LLC dba Headlands Research-Brownsville
    Brownsville, Texas
  • Soma Clinical Trials
    Denison, Texas
    469-819-0228
  • Epic Medical Research - DeSoto
    DeSoto, Texas
    197-277-7695
  • South Texas Research Institute
    Edinburg, Texas
    956-468-3360
  • Dallas Research Institute
    Farmers Branch, Texas
    214-347-7577
  • Care United Research, LLC
    Forney, Texas
    972-564-0044
  • GI Alliance - Fort Worth
    Fort Worth, Texas
    817-612-5575
  • HRI- Medical Center
    Houston, Texas
  • Care Access - Houston
    Houston, Texas
    877-791-0656
  • Houston Research Institute
    Houston, Texas
    281-809-3234
  • Biopharma Informatic, LLC
    Houston, Texas
    281-944-3610
  • Research Physicians Network, LLC
    Houston, Texas
    281-944-3610
  • Biopharma Informatic, LLC
    McAllen, Texas
    281-944-3610
  • DHR Health Institute for Research and Development (Administrative Office & Laboratory)
    McAllen, Texas
    956-362-2390
  • Southern Endocrinology Associates
    Mesquite, Texas
    214-693-0904
  • HRI Pasadena
    Pasadena, Texas
    832-847-1727
  • American Research Corporation at Texas Liver Institute
    San Antonio, Texas
    210-253-3426
  • Clinical Trials of Texas, LLC dba Flourish Research
    San Antonio, Texas
    210-949-0122
  • IMA Clinical Research San Antonio
    San Antonio, Texas
    210-692-7157
  • Consano Clinical Research, LLC
    Shavano Park, Texas
    210-545-4900
  • GI Alliance - Southlake
    Southlake, Texas
    940-367-2316
  • Houston Research Institute (HRI) - Sugar Land
    Sugar Land, Texas
  • Texas Valley Clinical Research
    Weslaco, Texas
    956-431-8090
  • Medrasa Clinical Research
    Wylie, Texas
    469-449-3645
Utah2 sites
  • Care Access - Ogden
    Ogden, Utah
    801-614-0010
  • Advanced Research Institute - Sandy
    Sandy City, Utah
    801-409-2040
Virginia4 sites
  • Eximia Research - Norfolk
    Norfolk, Virginia
  • Richmond Veterans Affairs Medical Center (Richmond VA Medical Center)
    Richmond, Virginia
  • Virginia Commonwealth University (VCU) Medical Center
    Richmond, Virginia
    804-828-4060
  • Gastroenterology Consultants of Southwest Virginia
    Roanoke, Virginia
Washington3 sites
  • Washington Gastroenterology - Bellevue
    Bellevue, Washington
    425-454-4768
  • UW Medicine Diabetes Institute
    Seattle, Washington
  • Washington Gastroenterology - Tacoma
    Tacoma, Washington
    253-272-5127
West Virginia1 site
  • CAMC Health Education and Research Institute Inc
    Charleston, West Virginia
    304-388-9944

Timeline

Started enrolling: October 15, 2025. Expected completion: August 2032. Last updated on ClinicalTrials.gov: August 21, 2026.

Official source

Every Monday we check this trial against ClinicalTrials.gov, the federal registry for clinical research. Last checked August 21, 2026. Confirm the current status there before you contact a site:

View on ClinicalTrials.gov →

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