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KMID : 0614720210640090596
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Journal of Korean Medical Association
2021 Volume.64 No. 9 p.596 ~ p.604
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Treatment of inflammatory bowel diseases: focusing on 5-aminosalicylates and immunomodulators
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Kim You-Sun
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Abstract
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Background: Recently, the incidence and prevalence rates of inflammatory bowel disease (IBD) have increased worldwide, including in Korea. Although there has been considerable progress in the management of IBD following the discovery of biologic agents, 5-aminosalicylate (5-ASA) and immunomodulators are still considered cornerstones in the management of mild to moderate IBD.
Current Concepts: 5-ASA plays a key role in inducing remission in patients with mild to moderate ulcerative colitis. High doses of 5-ASA are more effective in inducing remission in patients with moderate ulcerative colitis, and combination therapy of oral 5-ASA and topical 5-ASA agents is recommended. Although the effect of 5-ASA in patients with Crohn disease is limited, high doses of 5-ASA can be effective for patients with mild disease, inflammatory behavior, and colonic involvement. Maintaining remission is essential for patients with IBD. Good doctor-patient relationships and encouraging drug adherence are recommended. Regarding drug adherence, a once-daily regimen is preferred for patients’ satisfaction. Thiopurines, the most important immunomodulators, show therapeutic benefits, such as steroid-sparing effects and remission maintenance in ulcerative colitis and Crohn disease after induction therapy.
However, several side effects, including severe leukopenia, can induce the discontinuation of thiopurines. Close monitoring and management decisions should be individualized according to the risk of relapse and adverse events.
Discussion and Conclusion: In conclusion, 5-ASA and immunomodulators are cornerstones in the management of IBD. As such, clinicians should have knowledge of these drugs and patients’ characteristics for proper prescription.
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KEYWORD
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Inflammatory bowel diseases, Therapeutics, 5-Aminosalicylate, Immunomodulators
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