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Recruiting Phase 3 NCT07577856

NCT07577856 A Study of JNJ-78934804 in Participants With Moderately to Severely Active Ulcerative Colitis

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Clinical Trial Summary
NCT ID NCT07577856
Status Recruiting
Phase Phase 3
Sponsor Janssen Research & Development, LLC
Condition Colitis, Ulcerative
Study Type INTERVENTIONAL
Enrollment 644 participants
Start Date 2026-05-23
Primary Completion 2028-08-11

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
JNJ-78934804Guselkumab

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 3 trials are large pivotal studies comparing the treatment to current standard of care or placebo. Your participation directly contributes to the evidence needed for regulatory approval.

This trial targets 644 participants in total. It began in 2026-05-23 with a primary completion date of 2028-08-11.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

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).

Eligibility Criteria

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 \[\<\] 20 centimeter \[cm\] from the anal verge) as determined during central review of the screening video endoscopy OR Has a diagnosis of isolated proctitis * Diagnosis of indeterminate colitis, microscopic colitis, ischemic colitis, Crohn's colitis or any findings suggestive of CD * Has a history of or ongoing chronic or recurrent infectious disease * Has previously demonstrated inadequate initial response, loss of response, allergy, hypersensitivity or intolerance to guselkumab or to golimumab * Is a participant who is pregnant, breastfeeding, or planning to become pregnant, or plans to father a child, while enrolled in this study or within 6 months after the last dose of study intervention

Contact & Investigator

Central Contact

Study Contact

✉ Participate-In-This-Study1@its.jnj.com

📞 844-434-4210

Principal Investigator

Janssen Research & Development, LLC Clinical Trial

STUDY DIRECTOR

Janssen Research & Development, LLC

Frequently Asked Questions

Who can join the NCT07577856 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying Colitis, Ulcerative. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT07577856 trial and what does that mean for participants?

Phase 3 trials are large-scale studies comparing the new treatment to existing standards of care or a placebo. They provide the evidence needed for regulatory approval. This trial targets 644 participants.

Is NCT07577856 currently recruiting?

Yes, NCT07577856 is actively recruiting participants. Contact the research team at Participate-In-This-Study1@its.jnj.com for enrollment information.

Where is the NCT07577856 trial being conducted?

This trial is being conducted at Anaheim, United States, Chula Vista, United States, Los Alamitos, United States, San Diego, United States and 11 additional locations.

Who is sponsoring the NCT07577856 clinical trial?

NCT07577856 is sponsored by Janssen Research & Development, LLC. The principal investigator is Janssen Research & Development, LLC Clinical Trial at Janssen Research & Development, LLC. The trial plans to enroll 644 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: September 2026  ·  Data Methodology