A study testing whether a new weekly shot from Washington University School of Medicine, tirzepatide, can calm gut inflammation.

Who can join
Adults 18 to 80, have Crohn's disease, BMI 25+.
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 full study runs about 3.3 years; your own time in it is usually shorter.
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 Washington University School of MedicineDrug tirzepatideClass GLP-1/GIPSites 3 USEnrollment target 60

What this study is for

Primary condition: Crohn Disease (CD).

Full scientific study title: Moving Beyond Inflammation as a Therapeutic Target for Crohn's Disease.

Who can join

Age18 to 80SexAnyBMI25 or higher

Adults 18 to 80, have Crohn's disease, 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

  • Subjects 18 to 80 years of age, inclusive, at the time of consent
  • Confirmed diagnosis of Crohn's disease based on documented findings on endoscopy and histopathology
  • Active ileal or ileocolonic inflammation on colonoscopy defined as
  • Failure to respond to (primary or secondary non-response) at least 2 advanced class drugs, without evidence of immunogenicity (anti-TNFa only). Must have been at least 6 months optimized on most recent therapy without corticosteroids.
  • Anti-TNF: Infliximab, Adalimumab, Certolizumab, Golimumab

Key exclusion criteria

  • Age < 18 or > 80 years
  • Pregnant or Breastfeeding female
  • Diagnosis of ulcerative colitis, indeterminate colitis, microscopic colitis, ischemic colitis, radiation colitis, diverticular disease-associated colitis, toxic megacolon, active infectious colitis or positive test for Clostridioides Difficile toxin at screening
  • BMI < 25
  • Current or previous diagnosis of anorexia nervosa

Where this study is enrolling

This trial has 3 sites across 3 states. Contact a site coordinator directly to start screening.

California1 site
Missouri1 site
  • Washington University School of Medicine
    St Louis, Missouri
    Monique Lavalas Bright314-362-9044lavalas@wustl.edu
New York1 site

Timeline

Started enrolling: 2025-05-13. Expected completion: 2028-08. Last updated on ClinicalTrials.gov: 2026-06-05.

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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