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Taking people in FrancePhase 3

Compares JNJ-78934804 with guselkumab in ulcerative colitis

Tests JNJ-78934804 against guselkumab in adults with moderately to severely active ulcerative colitis.

Plain-language title generated from the registry record
Registry title: A Study of JNJ-78934804 in Participants With Moderately to Severely Active Ulcerative Colitis

Key facts

Where
Amiens Cedex 1, Besancon Cedex, Clichy, Creteil, Le Kremlin-Bicetre, Lille, Montpellier Cedex 5, Nancy Cedex, Nantes, Neuilly-Sur-Seine, Nice, Pessac, Pierre-Bénite, Reims Cedex, Saint-Priest-en-Jarez, and Toulouse Cedex 9, FranceSee the 16 sites
Phase
Phase 3

Where in France

  • Centre Hospitalier Universitaire Amiens PicardieAmiens Cedex 1, FranceTaking people
  • CHU BesanconBesancon Cedex, FranceTaking people
  • Assistance Publique Hopitaux De ParisClichy, FranceTaking people
  • Assistance Publique Hopitaux De ParisCreteil, FranceTaking people
  • Assistance Publique Hopitaux De ParisLe Kremlin-Bicetre, FranceTaking people
  • Centre Hospitalier Universitaire de LilleLille, FranceTaking people
  • Centre Hospitalier Universitaire De MontpellierMontpellier Cedex 5, FranceTaking people
  • CHRU De NancyNancy Cedex, FranceTaking people
  • Centre Hospitalier Universitaire de NantesNantes, FranceTaking people
  • Centre Medico Chirurgical Ambroise Pare HartmannNeuilly-Sur-Seine, FranceTaking people
  • Centre Hospitalier Universitaire de NiceNice, FranceTaking people
  • Centre Hospitalier Universitaire de BordeauxPessac, FranceTaking people
  • Hospices Civils de LyonPierre-Bénite, FranceTaking people
  • Centre Hospitalier Universitaire ReimsReims Cedex, FranceTaking people
  • Centre Hospitalier Universitaire de Saint EtienneSaint-Priest-en-Jarez, FranceTaking people
  • Centre Hospitalier Universitaire De ToulouseToulouse Cedex 9, FranceTaking people

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Trial details

Who runs it
Janssen Research & Development, LLC
Trial code
NCT07577856EU 2026-525923-26-00
Record updated
3 November 2026
Original description
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).Read full original descriptionShow less

78934804UCO3001: A Phase 3 Randomized, Double-blind, and Active Controlled, Multicenter Study to Evaluate the Efficacy and Safety of JNJ-78934804 in Participants With Moderately to Severely Active Ulcerative Colitis

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).

Inclusion: 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: Has previously demonstrated inadequate initial response, loss of response, allergy, hypersensitivity or intolerance to guselkumab or to golimumab; Has a history of or ongoing chronic or recurrent infectious disease; 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; 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.

ClinicalTrials.gov NCT07577856 · EU CTIS 2026-525923-26-00

Under construction, not live – A Study of JNJ-78934804 in Participants With Moderately to Severely Active Ulcerative Colitis (NCT07577856) – Frontlight Research