A Study to Assess the Efficacy and Safety of Induction and Maintenance Therapy With Afimkibart (RO7790121) in Participants With Moderately to Severely Active Crohn's Disease

ID#: NCT06819878

Age: 16 - 80 years

Gender: All

Healthy Subjects: No

Study Phase: Phase 3

Recruitment Status: Recruiting

Start Date: March 17, 2025

End Date: December 31, 2033

Contact Information:
Reference Study ID Number
888-662-6728 (U.S. and Canada)
Summary: This Phase III, multicenter, double-blind, placebo-controlled treat-through study will evaluate the efficacy and safety of induction and maintenance therapy with Afimkibart (also known as RO7790121) in participants with moderately to severely active Crohn's disease (CD).
Eligibility:

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