Preoperative Use of Multiple Advanced Therapies Is Not Associated With Endoscopic Inflammatory Pouch Diseases

Joseph Carter Powers, Benjamin L. Cohen, Florian Rieder, Benjamin H. Click, Ruishen Lyu, Katherine Westbrook, Tracy Hull, Stefan Holubar, Miguel D. Regueiro, Taha Qazi

Research output: Contribution to journalArticlepeer-review


Background: Patients with an ileal pouch-anal anastomosis (IPAA) can experience pouch inflammation postoperatively. The use of antitumor necrosis factor (anti-TNF) biologics may be associated with pouch inflammation, but limited data exist on the impact of multiple advanced therapies on development of subsequent pouch inflammation. The aim of this study was to assess for an association between preoperative use of multiple advanced therapies and risk of endoscopically detected inflammatory pouch diseases (EIPDs). Methods: We performed a retrospective analysis of ulcerative colitis (UC) and indeterminate colitis (IBDU) patients who underwent an IPAA at a quaternary care center from January 2015 to December 2019. Patients were grouped based on number and type of preoperative drug exposures. The primary outcome was EIPD within 5 years of IPAA. Results: Two hundred ninety-eight patients were included in this analysis. Most of these patients had UC (95.0%) and demonstrated pancolonic disease distribution (86.1%). The majority of patients were male (57.4%) and underwent surgery for medically refractory disease (79.2%). The overall median age at surgery was 38.6 years. Preoperatively, 68 patients were biologic/small molecule-naïve, 125 received anti-TNF agents only, and 105 received non-anti-TNF agents only or multiple classes. Ninety-one patients developed EIPD. There was no significant association between type (P =. 38) or number (P =. 58) of exposures and EIPD, but older individuals had a lower risk of EIPD (P =. 001; hazard ratio, 0.972; 95% confidence interval, 0.956-0.989). Conclusion: Development of EIPD was not associated with number or type of preoperative advanced therapies.

Original languageEnglish
Pages (from-to)203-212
Number of pages10
JournalInflammatory Bowel Diseases
Issue number2
StatePublished - 1 Feb 2024
Externally publishedYes


  • biologics
  • cuffitis
  • IBD
  • IPAA
  • pouchitis


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