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Direct transition from rapid-infusion originator to rapid-infusion biosimilar tumor necrosis factor inhibitor in children with inflammatory bowel disease: A case series.
Published Web Location
https://doi.org/10.1093/ajhp/zxad217Abstract
PURPOSE: Biosimilar tumor necrosis factor inhibitors (b-TNFi) reduce healthcare costs and maintain equal efficacy when compared to their originator counterparts (o-TNFi). Current practice is to start patients on a slower standard infusion rate during the initial transition from an o-TNFi to a b-TNFi. There is a knowledge gap around switching from rapid originator infusion to rapid biosimilar infusion in the pediatric inflammatory bowel disease (IBD) population. SUMMARY: We present a case series of 8 pediatric patients with IBD who were switched from a rapid-infusion o-TNFi to a rapid-infusion b-TNFi from 2016 through 2022. Our primary interest was safety, which we evaluated based on the occurrence of infusion reactions or need for new premedications within the first 6 months of starting a b-TNFi. We also examined effectiveness through the incidence of IBD-related hospitalizations, TNFi failure, and need for co-medication or dose escalation over the same period. In our cohort, 4 patients had Crohns disease and 4 had ulcerative colitis. All patients were switched to a biosimilar for nonmedical reasons. During the follow-up period, no patients had infusion reactions necessitating new premedications, serious adverse events, or medication nonresponse. CONCLUSION: Patients who directly transitioned from a rapid-infusion o-TNFi to a rapid-infusion b-TNFi did not experience serious adverse events. Given the fiscal and patient experience advantages of rapid-rate infusions, larger studies are needed to consider a change in practice.
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