Inflammatory Bowel Disease Patients’ Acceptance for Switching from Intravenous Infliximab or Vedolizumab to Subcutaneous Formulation: The Nancy Experience

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Remy, Clotilde | Caron, Bénédicte | Gouynou, Celia | Haghnejad, Vincent | Jeanbert, Elodie | Netter, Patrick | Danese, Silvio | Peyrin‐biroulet, Laurent

Edité par CCSD ; MDPI -

International audience. Background: Subcutaneous infliximab and vedolizumab formulations have been developed for maintenance therapy in inflammatory bowel disease. The objective of this study was to explore the inflammatory bowel disease patient’s acceptance for switching from intravenous infliximab or vedolizumab to subcutaneous, as well as to describe the causes of refusal or, conversely, the factors associated with acceptance. Methods: Patients were prospectively recruited between June 2021 and March 2022 during their infusion of infliximab or vedolizumab in the Medical Day Hospital of Nancy University Hospital. Adult patients with an established diagnosis of inflammatory bowel disease in clinical remission were eligible for inclusion in this study if they had been treated with intravenous infliximab or vedolizumab for at least six months. Results: One hundred and thirty patients were included in this study. Thirty-six patients (27.7%) received vedolizumab and ninety-four patients (72.3%) received infliximab. Median duration of treatment at inclusion was 7.0 years [3.0–11.0]. In this cohort, 77.7% of patients accepted the switch from intravenous infliximab or vedolizumab to subcutaneous. The main reasons for patient’s refusal for switching from intravenous to subcutaneous formulation were fear of loss of efficacy, a more spaced-out medical follow-up, increased frequency of administration, and self-administered injection. A short duration of treatment was associated with a high switch acceptance rate (odd ratio (OR) (95% confidence interval (CI)) = 0.9 (0.8–0.9); p = 0.0002). Conclusion: A large majority of the patients included accepted the switch of their treatment with infliximab or vedolizumab from the intravenous form to the subcutaneous form. This study identified one predictor influencing the acceptance rate in inflammatory bowel disease population: short treatment duration. Subcutaneous infliximab and vedolizumab hold potential for greater patient flexibility by self-administration, reducing travel and hospital attendance for infusion.

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