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Are all the IL-23 blockers the same in inflammatory bowel disease?

A substantial percentage of patients with inflammatory bowel disease (IBD) exhibit biologic treatment failure or loss of response over time. This article explores the effectiveness and safety of monoclonal antibodies targeting the IL-23 pathway in treating IBD; continued research is needed to address lingering questions regarding long-term safety and efficacy.

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Fig. 1: Biologic inhibition of IL-12 and IL-23 pathways.

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Correspondence to Silvio Danese.

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Competing interests

S.D. has served as a speaker, consultant and advisory board member for Schering Plough, Abbott (AbbVie) Laboratories, Merck and Co, UCB Pharma, Ferring, Cellerix, Millenium Takeda, Nycomed, Pharmacosmos, Actelion, Alfa Wasserman, Genentech, Grunenthal, Pfizer, AstraZeneca, Novo Nordisk, Vifor and Johnson and Johnson. L.P.-B. has served as consultant for Merck, AbbVie, Janssen, Genentech, Ferring, Tillots, Vifor, Pharmacosmos, Celltrion, Takeda, Biogaran, Boehringer-Ingelheim, Lilly, Pfizer, Jndex Pharmaceuticals, Amgen, Sandoz, Celgene, Biogen, Samsung Bioepis, Alma, Sterna, Nestlé, Enterome, Mylan, HAC-Pharma and Tigenix, and has served as speaker for Merck, AbbVie, Janssen, Genentech, Ferring, Tillots, Vifor, Pharmacosmos, Celltrion, Takeda, Boehringer-Ingelheim, Pfizer, Amgen, Biogen and Samsung Bioepis.

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NCT03466411: https://clinicaltrials.gov/study/NCT03466411

NCT03926130: https://clinicaltrials.gov/study/NCT03926130

NCT04524611: https://www.clinicaltrials.gov/study/NCT04524611

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Danese, S., Peyrin-Biroulet, L. Are all the IL-23 blockers the same in inflammatory bowel disease?. Nat Rev Gastroenterol Hepatol 21, 138–139 (2024). https://doi.org/10.1038/s41575-023-00889-7

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