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Treatments of inflammatory bowel disease toward personalized medicine

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Abstract

Inflammatory bowel disease (IBD), including ulcerative colitis (UC) and Crohn’s disease (CD), is a chronic inflammatory disease characterized by intestinal inflammation and epithelial injury. For the treatment of IBD, 5-aminosalicylic acids, corticosteroids, immunomodulators, and biologic agents targeting tumor necrosis factor (TNF)-α, α4β7-integrin, and interleukin (IL)-12/23 have been widely used. Especially, anti-TNF-α antibodies are the first biologic agents that presently remain at the forefront. However, 10–30% of patients resist biologic agents, including anti-TNF-α agents (primary non-responder; PNR), and 20–50% of primary responders develop treatment resistance within one year (secondary loss of response; SLR). Nonetheless, the etiologies of PNR and SLR are not clearly understood, and predictors of response to biologic agents are also not defined yet. Numerous studies are being performed to discover prediction markers of the response to biologic agents, and this review will introduce currently available therapeutic options for IBD, biologics under investigation, and recent studies exploring various predictive factors related to PNR and SLR.

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Acknowledgements

This work was supported by the Chung-Ang University Graduate Research Scholarship in 2019 (W.-H. Kim) and National Research Foundation of Korea (NRF) grant funded by the Korean government (Ministry of Science and ICT, no. NRF-2020R1F1A1075489; C. H. Choi).

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Correspondence to Hyeyoung Min or Chang Hwan Choi.

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Kim, KU., Kim, J., Kim, WH. et al. Treatments of inflammatory bowel disease toward personalized medicine. Arch. Pharm. Res. 44, 293–309 (2021). https://doi.org/10.1007/s12272-021-01318-6

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  • DOI: https://doi.org/10.1007/s12272-021-01318-6

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