Clinical trial Recruiting at 198 sites Phase 3 Interventional Ages 16 to 80

Evaluating a new treatment for active Crohn's disease

Official title: A Phase III, Multicenter, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Safety of Induction Therapy With RO7790121 in Patients With Moderately to Severely Active Crohn's Disease

Run by Hoffmann-La Roche · NCT06819891 · Data updated 2026-11-12

This study is testing a new drug called RO7790121 to see if it can help people with moderate to severe Crohn's disease feel better when other treatments haven't worked.

Quick facts

PhasePhase 3
Study typeInterventional
Ages16 Years to 80 Years
SexAll
Enrollment425 (estimated)
SponsorHoffmann-La Roche
Industry-sponsored
Drugs / interventionsradiation
Locations208 sites (Dothan, Alabama and 207 other locations)
StatusRecruiting
StartedMay 12, 2025
Main results expectedDecember 31, 2028
Study endsApril 30, 2033
Registry record updatedOctober 26, 2026
Trial IDNCT06819891 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals diagnosed with moderately to severely active Crohn's disease who have not responded adequately to other therapies.

Probably not a fit

Patients with other forms of colitis or significant bowel complications 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 III, multicenter, double-blind, placebo-controlled study aims to assess the efficacy and safety of RO7790121 as an induction therapy for participants suffering from moderately to severely active Crohn's disease. The study will involve administering either the investigational drug or a placebo to eligible participants who have not adequately responded to previous treatments. The goal is to determine how well RO7790121 works in alleviating symptoms and improving the condition of patients with this chronic inflammatory bowel disease.

Why it matters

Potential benefit: If successful, this treatment could provide a new effective option for patients with difficult-to-treat Crohn's disease.

How similar studies have gone: Other studies have shown promise with similar therapeutic approaches, indicating potential for success in this area.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Confirmed diagnosis of CD
* Moderately to severely active CD
* Bodyweight \>= 40 kilogram (kg)
* Demonstrated inadequate response, loss of response and/or intolerance to at least one protocol-specified conventional or advanced CD therapy
* Males and females of childbearing potential must meet protocol criteria for contraception requirements

Exclusion Criteria:

* Current diagnosis of ulcerative colitis (UC) or indeterminate colitis, ischemic colitis, infectious colitis, radiation colitis, microscopic colitis
* Participant with a history of \>= 3 bowel resections (\> 2 missing segments of the 5 following segments: terminal ilelium, right colon, transverse colon, sigmoid and left colon, and rectum)
* Diagnosis of short gut or short bowel syndrome
* Presence of an ileostomy, colostomy or ileoanal pouch
* Participants with symptomatic bowel strictures, fulminant colitis, or toxic megacolon
* Presence of abdominal or perianal abscess
* Presence of rectovaginal, enterovaginal, high output enterocutaneous fistula, enterovesical fistulas or perianal fistulas with \>3 openings
* Participants with symptomatic bowel strictures, fulminant colitis, or toxic megacolon
* Current diagnosis or suspicion of primary sclerosing cholangitis
* Pregnancy or breastfeeding, or intention of becoming pregnant during the study
* Any past or current evidence of cancer of gastrointestinal tract, high-grade colonic dysplasia and participants with low-grade dysplasia are eligible if lesions have been completely removed
* History of non-gastrointestinal cancer, with the exception of adequately treated non-metastatic basal cell or squamous cell skin cancer or in situ cervical cancer
* Evidence of infection with Clostridioides difficile (C. difficile; formerly known as Clostridium difficile), cytomegalovirus (CMV), human immunodeficiency virus (HIV), Hepatitis B (HBV), Hepatitis C (HCV) during screening
* Has evidence of active tuberculosis (TB), latent TB not successfully treated (per local guidance) or inadequately treated TB
* Has received protocol-specified prohibited medicines, including known exposure to any type of anti-TL1A therapy

Where it's running

  • Digestive Health Specialists of the Southeast
    Dothan, Alabama, United States
    Recruiting
  • Sun City Clinical Research
    Glendale, Arizona, United States
    Recruiting
  • Om Research LLC
    Lancaster, California, United States
    Recruiting
  • Hoag Memorial Hospital Presbyterian;Hoag Center for Research and Education
    Newport Beach, California, United States
    Recruiting
  • Stanford Medicine Outpatient Center
    Redwood City, California, United States
    Recruiting
  • Clinical Applications Laboratories, Inc.
    San Diego, California, United States
    Recruiting
Show 44 more locations
  • Amicis Research Center
    Santa Clarita, California, United States
    Recruiting
  • Peak Gastroenterology Associates
    Colorado Springs, Colorado, United States
    Recruiting
  • J&A Clinical Research
    Doral, Florida, United States
    Recruiting
  • Auzmer Research
    Lakeland, Florida, United States
    Recruiting
  • Galenus Group Inc
    Lehigh Acres, Florida, United States
    Recruiting
  • Homestead Associates in Research, Inc.
    Miami, Florida, United States
    Recruiting
  • Allied Biomedical Research Institute, Inc
    Miami, Florida, United States
    Recruiting
  • Rejuvaline Medical Research
    Miami, Florida, United States
    Recruiting
  • Miami Beach Clinical Research Center
    Miami Beach, Florida, United States
    Recruiting
  • Eminat Research Group
    Miramar, Florida, United States
    Recruiting
  • Digestive and Liver Center of Florida
    Orlando, Florida, United States
    Recruiting
  • Advanced Medical Research Center
    Port Orange, Florida, United States
    Recruiting
  • Santos Research Center, CORP
    Tampa, Florida, United States
    Recruiting
  • Cleveland Clinic Florida
    Weston, Florida, United States
    Recruiting
  • Morehouse School Of Medicine
    Atlanta, Georgia, United States
    Recruiting
  • The University of Chicago
    Chicago, Illinois, United States
    Recruiting
  • University of Kansas Medical Center
    Kansas City, Kansas, United States
    Recruiting
  • Robley Rex VA Medical Center
    Louisville, Kentucky, United States
    Recruiting
  • One GI: GHP - Gastroenterology Health Partners Louisville
    Louisville, Kentucky, United States
    Recruiting
  • Baton Rouge General Medical Center
    Baton Rouge, Louisiana, United States
    Recruiting
  • Louisiana Research Center - GastroIntestinal Associates
    Shreveport, Louisiana, United States
    Recruiting
  • Mercy Medical Center
    Baltimore, Maryland, United States
    Recruiting
  • FOMAT Medical Research - Chevy Chase Clinical Research
    Chevy Chase, Maryland, United States
    Recruiting
  • University of Massachusetts Memorial Medical Center
    North Worcester, Massachusetts, United States
    Recruiting
  • Gastroenterology Associates of Western Michigan, P.L.C.
    Wyoming, Michigan, United States
    Recruiting
  • Gastrointestinal Associates Research
    Flowood, Mississippi, United States
    Recruiting
  • Va Heartland Network - Harry S. Truman Memorial Veterans' Hospital
    Columbia, Missouri, United States
    Recruiting
  • Specialists in Gastroenterology
    St Louis, Missouri, United States
    Recruiting
  • Dartmouth-Hitchcock Medical Center-Norris Cotton Cancer Center
    Lebanon, New Hampshire, United States
    Recruiting
  • Virtua Crohns and Colitis Center
    Moorestown, New Jersey, United States
    Recruiting
  • Robert Wood Johnson University Hospital
    New Brunswick, New Jersey, United States
    Recruiting
  • Ellipsis Research Group
    Brooklyn, New York, United States
    Recruiting
  • Intercity Gastroenterology
    Fresh Meadows, New York, United States
    Recruiting
  • NYU Langone Long Island Clinical Research Associates
    Lake Success, New York, United States
    Recruiting
  • James J Peters Veterans Affairs Medical Center
    The Bronx, New York, United States
    Recruiting
  • Digestive Disease Medicine of Central New York
    Utica, New York, United States
    Recruiting
  • Charlotte Gastroenterology and Hepatology, P.L.L.C
    Charlotte, North Carolina, United States
    Recruiting
  • Peters Medical Research (PMR), LLC
    High Point, North Carolina, United States
    Recruiting
  • Clinical Inquest Center
    Beavercreek, Ohio, United States
    Recruiting
  • Cleveland Clinic Foundation
    Cleveland, Ohio, United States
    Recruiting
  • University of Pennsylvania
    Philadelphia, Pennsylvania, United States
    Recruiting
  • University Gastroenterology
    Providence, Rhode Island, United States
    Recruiting
  • Gastro One
    Cordova, Tennessee, United States
    Recruiting
  • Vanderbilt University Medical Center
    Nashville, Tennessee, United States
    Recruiting

+158 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.

  • Afimkibart for children with moderate to severe Crohn's disease

    This phase 3 trial tests Afimkibart to see if it helps children with moderately to severely active Crohn's disease while measuring safety.

    Recruiting at 19 sites Phase 3 Hoffmann-La Roche · New York, New York and 18 other locations · NCT07298421

  • Evaluating a new treatment for active Crohn's disease

    This study is testing a new medication for people with moderately to severely active Crohn's disease to see if it helps them feel better compared to a placebo.

    Recruiting at 357 sites Phase 3 Hoffmann-La Roche · Dothan, Alabama and 374 other locations · NCT06819878

  • Evaluating Transmural Healing in Crohn's Disease Treatment

    This study is testing if a new way of treating Crohn's disease that uses noninvasive ultrasound to track healing can help patients stay off corticosteroids and feel better compared to standard treatment.

    Recruiting at 51 sites Phase 4 Alimentiv Inc. · Los Angeles, California and 68 other locations · NCT06257706

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.