A Study of the Efficacy and Safety of Guselkumab in Participants With Moderately to Severely Active Crohn's Disease

Summary

The purpose of this study is to evaluate the clinical efficacy (GALAXI 1), clinical and endoscopic efficacy (GALAXI 2 and GALAXI 3) and safety of guselkumab in participants with Crohn's disease.

Timeline

Start

2018-04-13

Primary completion

2023-10-20

Completion

2028-01-28

Publications

• Afzali A, Danese S, Panaccione R, Rubin DT, Sands BE, Reinisch W, Panes J, Van Rampelbergh R, Terry NA, Salese L, Vetter ML, Yee J, Corbett C, van Duijnhoven W, Hisamatsu T, Andrews JM, D'Haens GR; GALAXI 1 investigators. Five-year efficacy and safety of guselkumab for moderately to severely active Crohn's disease: Results from the phase 2 GALAXI 1 trial. Inflamm Bowel Dis. 2026 May 1:izag055. doi: 10.1093/ibd/izag055. Online ahead of print.
• Panaccione R, Feagan BG, Afzali A, Rubin DT, Reinisch W, Panes J, Danese S, Hisamatsu T, Terry NA, Salese L, Van Rampelbergh R, Sahoo A, Vetter ML, Yee J, Han C, Frustaci ME, Wan KYY, Yang Z, Johanns J, Andrews JM, D'Haens GR, Sands BE; GALAXI 2 & 3 Study Group. Efficacy and safety of intravenous induction and subcutaneous maintenance therapy with guselkumab for patients with Crohn's disease (GALAXI-2 and GALAXI-3): 48-week results from two phase 3, randomised, placebo and active comparator-controlled, double-blind, triple-dummy trials. Lancet. 2025 Jul 26;406(10501):358-375. doi: 10.1016/S0140-6736(25)00681-6. Epub 2025 Jul 17.
• Hasskamp J, Meinhardt C, Timmer A. Anti-IL-12/23p40 antibodies for induction of remission in Crohn's disease. Cochrane Database Syst Rev. 2025 May 13;5(5):CD007572. doi: 10.1002/14651858.CD007572.pub4.
• Danese S, Panaccione R, Feagan BG, Afzali A, Rubin DT, Sands BE, Reinisch W, Panes J, Sahoo A, Terry NA, Chan D, Han C, Frustaci ME, Yang Z, Sandborn WJ, Hisamatsu T, Andrews JM, D'Haens GR; GALAXI-1 Study Group. Efficacy and safety of 48 weeks of guselkumab for patients with Crohn's disease: maintenance results from the phase 2, randomised, double-blind GALAXI-1 trial. Lancet Gastroenterol Hepatol. 2024 Feb;9(2):133-146. doi: 10.1016/S2468-1253(23)00318-7. Epub 2023 Dec 14.
• Sandborn WJ, D'Haens GR, Reinisch W, Panes J, Chan D, Gonzalez S, Weisel K, Germinaro M, Frustaci ME, Yang Z, Adedokun OJ, Han C, Panaccione R, Hisamatsu T, Danese S, Rubin DT, Sands BE, Afzali A, Andrews JM, Feagan BG; GALAXI-1 Investigators. Guselkumab for the Treatment of Crohn's Disease: Induction Results From the Phase 2 GALAXI-1 Study. Gastroenterology. 2022 May;162(6):1650-1664.e8. doi: 10.1053/j.gastro.2022.01.047. Epub 2022 Feb 5.

Drugs

Indications