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  • Title: Clinical Outcomes Following a Switch from Remicade® to the Biosimilar CT-P13 in Inflammatory Bowel Disease Patients: A Prospective Observational Cohort Study.
    Author: Smits LJ, Derikx LA, de Jong DJ, Boshuizen RS, van Esch AA, Drenth JP, Hoentjen F.
    Journal: J Crohns Colitis; 2016 Nov; 10(11):1287-1293. PubMed ID: 27095751.
    Abstract:
    BACKGROUND AND AIMS: The biosimilar of Remicade®, CT-P13, recently entered the European market. Clinical data on switching from Remicade® to CT-P13 in inflammatory bowel disease [IBD] are scarce. We aimed to prospectively investigate efficacy, safety, pharmacokinetic profile, and immunogenicity following a switch from Remicade® to CT-P13 in IBD patients. METHODS: Remicade®-treated IBD patients at the Radboud university medical centre who switched to CT-P13 were included in this prospective observational cohort study. Primary endpoint was change in Harvey-Bradshaw Index for Crohn's disease [CD] and Simple Clinical Colitis Activity Index for ulcerative colitis [UC] at week 16. We measured C-reactive protein [CRP], faecal calprotectin [FCP], infliximab trough level [TL] and anti-drug antibodies [ADAs] and documented adverse events. RESULTS: Our cohort consisted of 83 patients (28 males, 57 CD, 24 UC, 2 IBD-unclassified [IBD-U]). The median age was 36 years, range 18-79. Median change in disease activity was 0 [range -23 to +7] for CD and 0 [range -3 to +6] for UC/IBD-U. Median CRP and FCP levels did not change significantly during follow-up. Median TL increased from 3.5 µg/ml [range 0-18] to 4.2 µg/ml [range 0-21] at week 16 [p = 0.010]. Two patients developed a new detectable ADA response during follow-up and five patients discontinued CT-P13. No serious adverse events occurred. CONCLUSIONS: We demonstrated that switching from Remicade® to CT-P13 in a real-life cohort of IBD patients did not have a significant impact on short-term clinical outcomes. These results suggest that switching from Remicade® to CT-P13 for the treatment of IBD is feasible.
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