Clinical trial Recruiting at 357 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, Treat-Through Study to Assess the Efficacy and Safety of Induction and Maintenance Therapy With RO7790121 in Patients With Moderately to Severely Active Crohn's Disease

Run by Hoffmann-La Roche · NCT06819878 · Data updated 2026-11-12

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.

Quick facts

PhasePhase 3
Study typeInterventional
Ages16 Years to 80 Years
SexAll
Enrollment600 (estimated)
SponsorHoffmann-La Roche
Industry-sponsored
Drugs / interventionsradiation
Locations375 sites (Dothan, Alabama and 374 other locations)
StatusRecruiting
StartedMarch 17, 2025
Main results expectedDecember 31, 2028
Study endsDecember 31, 2033
Registry record updatedOctober 16, 2026
Trial IDNCT06819878 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals with a confirmed diagnosis of moderately to severely active Crohn's disease who have not adequately responded to previous treatments.

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 for patients with moderately to severely active Crohn's disease. Participants will receive either the investigational drug or a placebo during the induction and maintenance phases of treatment. The study will involve multiple healthcare centers to gather diverse data on the drug's performance and safety profile.

Why it matters

Potential benefit: If successful, this treatment could significantly improve the management of Crohn's disease for patients who have not responded to existing therapies.

How similar studies have gone: Previous 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
* 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, definite low-grade or high-grade colonic dysplasia
* 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 (Gastroenterology Associates of Dothan) - Dothan
    Dothan, Alabama, United States
    Recruiting
  • Mayo Clinic Hospital
    Phoenix, Arizona, United States
    Recruiting
  • Arizona Digestive Health, P.C (ADH)
    Sun City, Arizona, United States
    Recruiting
  • University of Arizona-CATS Research Center
    Tucson, Arizona, United States
    Recruiting
  • Valley View Internal Medicine
    Garden Grove, California, United States
    Recruiting
  • 310 Clinical Research
    Inglewood, California, United States
    Recruiting
Show 44 more locations
  • UCSD Medical Center
    La Jolla, California, United States
    Recruiting
  • University of California San Diego
    La Jolla, California, United States
    Recruiting
  • Gastro Care Associates
    Lancaster, California, United States
    Recruiting
  • Om Research LLC
    Lancaster, California, United States
    Recruiting
  • United Gastroenterologists
    Los Alamitos, California, United States
    Recruiting
  • Kaiser Permanente
    San Francisco, California, United States
    Recruiting
  • UCSF/Medical Center at Mount Zion
    San Francisco, California, United States
    Recruiting
  • Rocky Mountain Gastroenterology
    Littleton, Colorado, United States
    Recruiting
  • Peak Gastroenterology Surgery Center
    Lone Tree, Colorado, United States
    Recruiting
  • Access Research Institute
    Brooksville, Florida, United States
    Recruiting
  • Gastro Florida
    Clearwater, Florida, United States
    Recruiting
  • HealthMed Clinical Center Inc.
    Coral Gables, Florida, United States
    Recruiting
  • Hi Tech and Global Research, LLC
    Coral Gables, Florida, United States
    Recruiting
  • The Sister Life Research
    Hialeah, Florida, United States
    Recruiting
  • NeoClinical Research
    Hialeah, Florida, United States
    Recruiting
  • Clinical Research of Osceola, LLC
    Kissimmee, Florida, United States
    Recruiting
  • Florida Research Institute - Lakewood
    Lakewood Rch, Florida, United States
    Recruiting
  • LCC Medical Research Institute, LLC
    Miami, Florida, United States
    Recruiting
  • Orlando Regional Healthcare
    Orlando, Florida, United States
    Recruiting
  • Nodal Medical Center Research - NMC
    Tampa, Florida, United States
    Recruiting
  • University of South Florida School of Medicine Morsani Center for Advanced Health Care
    Tampa, Florida, United States
    Recruiting
  • Guardian Angel Research Center, LLC
    Tampa, Florida, United States
    Recruiting
  • Theia Clinical Research Centers, LLC
    Temple Terrace, Florida, United States
    Recruiting
  • Cleveland Clinic Florida
    Weston, Florida, United States
    Recruiting
  • Florida Medical Clinic - Orlando Health
    Zephyrhills, Florida, United States
    Recruiting
  • Digestive Healthcare of Georgia
    Atlanta, Georgia, United States
    Recruiting
  • Atlanta Gastroenterology Associates
    Atlanta, Georgia, United States
    Recruiting
  • Gastroenterology Associates of Central Georgia
    Macon, Georgia, United States
    Recruiting
  • Grand Teton Research Group, PLLC
    Idaho Falls, Idaho, United States
    Recruiting
  • Northwestern Memorial Hospital
    Chicago, Illinois, United States
    Recruiting
  • Illinois Gastroenterology Group-Glenview powered by GI Alliance
    Glenview, Illinois, United States
    Recruiting
  • GI Alliance - Gurnee
    Gurnee, Illinois, United States
    Recruiting
  • Indiana University Health University Hospital
    Indianapolis, Indiana, United States
    Recruiting
  • Gastroenterology Health Partners, PLLC
    New Albany, Indiana, United States
    Recruiting
  • Kansas Gastroenterology, LLC under Clinical Trials Network
    Wichita, Kansas, United States
    Recruiting
  • Tri-State Gastroenterology Associates
    Crestview Hills, Kentucky, United States
    Recruiting
  • Gastroenterology Health Partners, PLLC
    Louisville, Kentucky, United States
    Recruiting
  • Brigham and Women's Hospital
    Boston, Massachusetts, United States
    Recruiting
  • Boston University
    Boston, Massachusetts, United States
    Recruiting
  • Michigan Center of Medical Research
    Farmington Hills, Michigan, United States
    Recruiting
  • Gastroenterology Associates and Endoscopy Center of North Mississippi
    Oxford, Mississippi, United States
    Recruiting
  • Delta Gastroenterology & Endoscopy Center
    Southaven, Mississippi, United States
    Recruiting
  • Las Vegas Clinical Trials, LLC
    North Las Vegas, Nevada, United States
    Recruiting
  • Mount Sinai Hospital - IBD Clinical Center
    New York, New York, United States
    Recruiting

+325 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 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.

    Recruiting at 198 sites Phase 3 Hoffmann-La Roche · Dothan, Alabama and 207 other locations · NCT06819891

  • 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.