Abstract Background Subcutaneous infliximab (IFX-SC) has emerged as an effective and convenient alternative to intravenous infliximab (IFX-IV) for the maintenance treatment of Inflammatory Bowel Disease (IBD). While randomised trials have confirmed comparable efficacy and safety, real-world data on long-term patients switching from stable IV therapy remain limited. This study aimed to evaluate the effectiveness and safety of an elective switch from IFX-IV to IFX-SC in a single-centre cohort of IBD patients in sustained remission in southern Italy. Methods We conducted a prospective observational study including 18 adult IBD patients in clinical and biochemical remission on IFX-IV maintenance (5 mg/kg every 8 weeks). Eligible patients were switched to IFX-SC 120 mg every 2 weeks at the time of their next scheduled infusion. Clinical standardised scores (Harvey–Bradshaw Index for Crohn’s disease (CD), Partial Mayo Score for Ulcerative Colitis (UC)), C-reactive protein (CRP), and faecal calprotectin (FC) were recorded at baseline, and at 1, 3, and 6 months. A questionnaire administered 6 months after the switch assessed satisfaction and adverse events (AEs). Results Eighteen patients were included: 12 with UC and 6 with CD, of whom 2 had a fistulising phenotype. All reported no difficulties handling the device and adhered to the dosing schedule. At baseline, all patients were in clinical and biochemical remission. After 6 months, 16 of 18 patients (88.9%) maintained remission, while one UC patient reverted to IFX-IV due to AEs and another UC patient switched to a different biologic therapy because of loss of response. Median CRP and FC values remained stable at 1, 3, and 6 months (p 0.05). Mild, self-limited injection-site pain occurred in 4 patients (22.2%). Overall satisfaction was rated as excellent by 16 of 18 patients. Conclusion In this real-world, single-centre experience, an elective switch from long-term IFX-IV to IFX-SC was safe, effective, and well tolerated, with high rates of maintained remission and patient satisfaction. These findings support the feasibility of transitioning stable IBD patients to IFX-SC, enhancing convenience and quality of life while optimising healthcare resource utilisation without compromising disease control. Conflict of interest: Sebkova, Ladislava: No conflict of interest Dr. Quintieri, Giuseppe: No conflict of interest La Torre, Giuseppe: No conflict of interest Sinatora, Rita: No conflict of interest Rodinò, Stefano: No conflict of interest
Sebkova et al. (Thu,) studied this question.
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