Abstract

Review article: emerging drug therapies in inflammatory bowel disease

Aliment Pharmacol Ther. 2022 Apr;55(7):789-804. doi: 10.1111/apt.16785.Epub 2022 Feb 15.

Laurie B Grossberg 1, Konstantinos Papamichael 1, Adam S Cheifetz 1

 
     

Author information

1Center for Inflammatory Bowel Diseases, Division of Gastroenterology, Beth-Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.

Abstract

Background: The landscape of inflammatory bowel disease (IBD) treatment is rapidly expanding with the development of new therapeutic options.

Aim: To review the mechanisms of action and the available clinical trial data on emerging drug therapies for IBD.

Methods: Pubmed, Medline and Cochrane databases were queried up to July 2021 using keywords "inflammatory bowel disease," "IBD," "Crohn's disease," "ulcerative colitis" and "trial," "phase" and "study." In addition, we manually reviewed the grey literature including clinical trial registries and abstracts from major gastroenterology conferences in 2020 and 2021 to include pertinent information.

Results: In ulcerative colitis (UC), phase 2b and/or phase 3 studies met primary endpoints for S1P receptor agonists (estrasimod, ozanimod), anti-IL-23 agent (mirikizumab), anti-lymphocyte trafficking agents (ontamalimab, subcutaneous vedolizumab), JAK inhibitors (upadacitinib, filgotinib) and TLR9 agonist (cobitolimod). In Crohn's disease (CD), anti-IL-23 agents (risankizumab, mirikizumab, guselkumab), JAK inhibitors (upadacitinib, filgotinib) and anti-lymphocyte trafficking agents (ontamalimab, etrolizumab) met primary endpoints in randomised controlled clinical trials.

Conclusion: Several new IBD drug therapies have positive efficacy and safety data in early clinical trials, and there are several drugs in the therapeutic pipeline. As more treatments for CD and UC are approved for clinical use, research to assess predictors of response to therapy and head-to-head trials is needed to inform providers on how to best position therapeutic options for patients with IBD.

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