Comparative risk of postoperative complications in ulcerative colitis patients following preoperative advanced therapies: a network meta-analysis with meta-regression.

Authors

Mohammad Al Hayek, Maria Manuela Estevinho, Maia Kayal, Osamah Al Hayek, Alessandro Armuzzi, Johan Burisch, Qasi Najah, Vipul Jairath, Steven D Wexner, Edward V Loftus, Laurent Peyrin-Biroulet, Silvio Danese, Muhammed Elhadi, Fernando Magro

Published in

Journal of Crohn's & colitis. Volume 20. Issue 8. Aug 05, 2026.

Abstract

The expanding use of biologic and small-molecule therapies for ulcerative colitis (UC) has raised concerns regarding perioperative safety. We conducted a network meta-analysis to compare short-term postoperative complications associated with preoperative exposure to these agents in patients undergoing colorectal surgery.
We systematically searched PubMed, Web of Science, and the Cochrane Library through September 15, 2025, for cohort studies of adults with UC who were exposed to biologic or small-molecule therapy within 12 weeks prior to surgery. Interventions included biologic therapy, small-molecule therapy, and no biologic or small-molecule therapy (control). The primary outcome was overall postoperative complications at 30 and 90 days. Venous thromboembolism (VTE) was assessed as a key secondary outcome. Random-effects network meta-analysis was performed using risk ratios (RRs) with 95% confidence intervals (CIs).
Sixteen retrospective cohort studies involving 3235 patients were included. At 30 days, ustekinumab and tofacitinib were associated with lower overall postoperative complication rates than control (RR: 0.29; 95% CI: 0.09-0.96; and RR: 0.66; 95% CI: 0.46-0.96, respectively). Anti-tumor necrosis factor (TNF) therapy was associated with higher complication rates compared with vedolizumab, ustekinumab, and tofacitinib at 30 days (RR: 1.27; 95% CI: 1.00-1.63; RR: 3.67; 95% CI: 1.12-12.03; and RR: 1.61; 95% CI: 1.14-2.27, respectively). At 90 days, anti-TNF therapy was associated with higher complication rates than control (RR 1.20, 95% CI 1.03-1.40), although the 90-day analysis was based on limited data. VTE rates were similar across treatments at both time points.
Preoperative ustekinumab and tofacitinib were associated with fewer 30-day postoperative complications than control or anti-TNF therapy, while vedolizumab was associated with fewer complications than anti-TNF therapy. At 90 days, anti-TNF therapy was associated with higher complication rates compared with control. These findings, particularly at 90 days based on limited data, should be interpreted with caution and require confirmation in well-designed prospective studies with rigorous adjustment for confounding factors.

PMID:
42570330
Bibliographic data and abstract were imported from PubMed on 09 Aug 2026.

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