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Clinical Trial ยท PHASE3 ยท Recruiting

A Study of JNJ-78934804 in Participants With Moderately to Severely Active Ulcerative Colitis

07 September 2026 NCT07577856 ClinicalTrials.gov โ†—
✅ This trial is currently recruiting volunteers
If you think you might be eligible, speak to your GP or specialist about this trial before applying.
Status
Recruiting
Phase
PHASE3
Participants
ALL
Age Range
18 Years+

About This Trial

The purpose of this study is to assess how well JNJ-78934804 works (efficacy) and how safe it is (safety) as compared to guselkumab at Week 48 in participants with moderately to severely active ulcerative colitis (UC, a chronic disease of the large intestine in which the lining of the colon becomes inflamed and develops ulcers).

Who Can Join?

Inclusion criteria: * Diagnosis of ulcerative colitis (UC) established at least 12 weeks before screening including both endoscopic evidence and a histopathology report consistent with a diagnosis of UC. * Moderately to severely active UC defined as baseline (Week 0) modified Mayo score of 5 to 9, inclusive, using the Mayo endoscopy subscore obtained during central review of the screening video endoscopy * An endoscopy subscore >=2 as obtained during central review of the screening video endoscopy * Have had an inadequate initial response, loss of response, or intolerance to previous approved systemic therapies Exclusion criteria: * Isolated proctitis (UC limited to the rectum only or to less than [

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