Zhuleku E, Antolin-Fontes B, Borsi A, Nissinen R, Bravatà I, Barthelmes JN, Le Bars M, Lee J, Passey A, Maywald U, Deiters B, Bokemeyer B, Wilke T, Ghiani M. Real-world outcomes associated with switching to anti-TNFs
versus other biologics in Crohn's Disease patients: A retrospective analysis using German claims data.
Therap Adv Gastroenterol 2022;
15:17562848221130554. [PMID:
36353736 PMCID:
PMC9638528 DOI:
10.1177/17562848221130554]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 09/16/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND
The positioning of new biologic agents for the treatment of Crohn's disease (CD) following failure of initial anti-tumor necrosis factor (anti-TNF) therapy remains a challenge in the real world.
OBJECTIVES
This study aims to investigate the real-world outcomes associated with the sequential use of biologics in CD patients that newly initiate anti-TNFs, specifically comparing those that switch to another anti-TNF versus biologics with other modes of action.
DESIGN
Retrospective cohort study.
METHODS
We identified CD patients who newly began anti-TNF therapy between 1 October 2014 and 31 December 2018 using two German claims databases. Patients were classified as within-class switchers (WCS) if they switched to another anti-TNF or outside-class switchers (OCS) if they switched to vedolizumab (VDZ) or ustekinumab (UST). To compare WCS and OCS, baseline covariates were adjusted through inverse probability of treatment weighting (IPTW), and time-to-event analyses were performed using Cox Proportional Hazard regressions. Results from both databases were meta-analyzed using an inverse variance model.
RESULTS
Overall, 376 prevalent adult CD patients who initiated anti-TNFs and switched to another biologic were identified. After IPTW, there were 152 and 177 patients in the WCS and OCS group, respectively. WCS were more likely to receive prolonged corticosteroid therapy [hazard ratio (HR): 1.63, 95% confidence interval (CI): 1.17-2.27, p = 0.004], switch a second time to a different biologic (HR: 2.44, 95% CI: 1.63-3.66, p < 0.001), and discontinue treatment (HR: 1.71, 95% CI: 1.25-2.34, p = 0.001) than OCS.
CONCLUSION
This study suggests that CD patients exhibit more favorable outcomes when switching outside the anti-TNF class to VDZ or UST after initial anti-TNF failure than switching to a second anti-TNF. With loss of response to anti-TNFs as a concern in the real world, comparative evidence from claims data assessing sequential use of biologics can help optimize treatment algorithms of patients after anti-TNF failure.
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