P496 Efficacy and safety of ustekinumab for chronic antibiotic refractory pouchitis: A Belgian open-label multicentre pilot study

Abstract Background Up to 10% of ulcerative colitis patients who undergo a proctocolectomy with ileal pouch-anal anastomosis, will develop chronic antibiotic refractory pouchitis (CARP). As there is a large unmet need in the management of these patients, we evaluated the efficacy and safety of induction therapy with ustekinumab (UST) for this indication. Methods We performed a prospective, Belgian, multicentre, open-label study of patients with CARP. Patients received a weight-range-based infusion of UST at baseline (6mg/kg) and one subcutaneous injection of 90mg UST at week 8. The first 4 wee... Mehr ...