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Holvoet, T; Verstockt, B; Lenfant, M; Julsgaard, M; Drobne, D; Thakor, A; Gordon, H; Molnar, T; Savarino, E V; Ribaldone, D G; Miheller, P; Vieujean, S; Candel, I; Menchen, L; Bettenworth, D; Eder, P; Issachar, A; Lobaton, T
Journal of Crohn's and colitis, 01/2024, Volume: 18, Issue: Supplement_1Journal Article
Abstract Background Primary sclerosing cholangitis (PSC) is a chronic progressive cholestatic liver disease often necessitating liver transplantation (LTX). Approximately 70% of PSC patients have a concomitant diagnosis of inflammatory bowel disease (IBD) and could need treatment with biological therapy on top of the immunosuppression to prevent transplant rejection. Vedolizumab (VDZ) and ustekinumab (UST), both agents with a favorable safety profile, are often used in this population despite lack of data concerning safety and effectiveness in the post-LTX setting. Methods A retrospective multicenter case series was performed as a part of the European Crohn's and Colitis Organisation ECCO Collaborative Network of Exceptionally Rare case reports CONFER project. Primary endpoints were clinical and endoscopic remission at week 52, occurrence of infectious complications, occurrence of malignancy, hospitalizations, and death after liver transplantation. Results In this retrospective study, 58 patients (male n= 34 (59%), median age 42 (interquartile range (IQR) 32-52) were included across 16 participating centers of which 24 (38%) were treated with UST and 40 (63%) with VDZ. Twelve patients (20%) were diagnosed with Crohn’s disease (CD), 44 (76%) with ulcerative colitis (UC), 2 (3%)- with unclassified IBD (IBD-U) and in 12 (20%) patients had an ileal pouch anal anastomosis (IPAA). Median disease duration was 16 years (IQR 13-26) and 33 (56%) had received biological therapy prior to LTX (33% anti-TNF, 11% VDZ, 5% UST). Median disease duration for PSC was 15.5 years (IQR 11-25) and median time since LTX was 6 years (IQR 4-10). Clinical remission, assessed according to physician global assessment, at week 52 was achieved in 44% of VDZ compared to 38% of UST treated patients (p=0.17), while endoscopic remission was seen in 17% of patients in the VDZ group versus 33% in the UST treated patients (p=0.87). Clinical effectiveness was similar across CD (respectively 33% and 20%), UC (33% and 37%) and IPAA patients (36% vs 60%). Infectious complications occurred in 21 patients (29%; 27% VDZ vs 33% UST) post LTX on biological therapy (p=0.66), malignancy occurred in 10 patients (14.1%, 12.8% VDZ vs 16.7% UST, p=0.66), hospitalizations in 32 (45%; 51% VDZ vs 34% UST, p=0.15), and death in 2 patients (3.4%; 2.1% VDZ vs 4.2% UST, p=0.66) (see table). Conclusion In IBD-PSC patients who underwent LTX both UST and VDZ show similar effectiveness with clinical remission rates of respectively 44% and 38% after 1 year. Safety profiles are similar although infectious complications and occurrence of malignancy remains an important concern in this patient group.
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