A study testing whether a new weekly shot from University of Southern California, tirzepatide, can help people drink less.

Who can join
Adults 21 to 65, have alcohol use disorder, BMI 27+.
What you take
tirzepatide, given as part of the study at no cost to you. Some participants may receive a placebo (an inactive version) instead, decided at random.
How long it lasts
The study runs about 10 months.
What you get
The study medication and study-related care at no cost. Compensation varies by study site; many cover travel and provide the study medication at no cost. The trial coordinator will explain what that site offers before you join.
Phase Phase 2Sponsor University of Southern CaliforniaDrug tirzepatideClass GLP-1/GIPSites 1 USEnrollment target 42

What this study is for

Primary condition: Alcohol Use Disorder. Also studied in: Obesity and Overweight, Alcohol.

Full scientific study title: Tirzepatide for Alcohol Use Disorder.

Who can join

Age21 to 65SexAnyBMI27 or higher

Adults 21 to 65, have alcohol use disorder, BMI 27+. 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

  • Meeting past-year DSM-5 criteria for AUD with at least moderate severity (>= 4 symptoms)
  • Average daily consumption of >=40g (women) / >= 60 g (men) per day in the 28 days prior to baseline
  • Body mass index >= 27kg/m2
  • Willingness to attend weekly medication visits and complete all study procedures
  • Ability to read and communicate in English

Key exclusion criteria

  • Meeting past-year DSM-5 criteria for another substance use disorder (except tobacco use disorder or mild cannabis use disorder)
  • Recent (past 30 day) self-report of illicit drug use (excluding cannabis) or non-prescribed opioids; or positive urine screen for illicit drugs. A positive screen for opioids will be allowed if the participant is prescribed an opioid replacement therapy medication and can provide documentation.
  • History of significant alcohol withdrawal, as indicated by history of seizure, delirium tremens; history of hospitalization for withdrawal-related symptoms; a CIWA score >9 at assessment; or a baseline score 4+ on the Prediction of Alcohol Withdrawal Severity (PAWS) scale.
  • Recent (past 3 months) engagement in behavioral or pharmacological alcohol use treatment or currently mandated to receive treatment
  • History of chronic or acute pancreatitis

Where this study is enrolling

This trial has 1 sites across 1 state. Contact a site coordinator directly to start screening.

California1 site
  • Keck School of Medicine, University of Southern California
    Los Angeles, California
    Tom Gilmore2139620698thomas.gilmore@usc.edu

Timeline

Started enrolling: 2025-10-06. Expected completion: 2026-08-31. Last updated on ClinicalTrials.gov: 2025-10-14.

Official source

We sync this data quarterly from ClinicalTrials.gov, the federal registry for clinical research. Before contacting a site, verify the trial is still recruiting on the official page:

View on ClinicalTrials.gov →

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