Background: This study clarifies the long-term effectiveness of ustekinumab based on real-life data from Japanese Crohn's disease (CD) patients. Methods: A total of 137 patients were included, and 124 patients (90.5%) were exposed to anti-tumor necrosis factor-α agents. Results: The clinical remission rate at week 52 was 32.4% in moderate to severely active CD patients. The achievement of clinical remission for 8 weeks after ustekinumab therapy induction was associated with clinical remission at week 52. Ustekinumab persistence rate at week 104 was 81.4%. Conclusion: Ustekinumab is effective and persistent in CD patients with the previous treatment history of several biologics.
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Ito et al. (2020) studied this question.
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