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Lookup NU author(s): Emerita Professor Helen Foster
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).
© The Author(s) 2022. Published by Oxford University Press on behalf of the British Society for Rheumatology.OBJECTIVES: Clinicians concerned about long-term safety of biologics in JIA may consider tapering or stopping treatment once remission is achieved despite uncertainty in maintaining drug-free remission. This analysis aims to (i) calculate how many patients with JIA stop biologics for remission, (ii) calculate how many later re-start therapy and after how long, and (iii) identify factors associated with re-starting biologics. METHODS: Patients starting biologics between 1 January 2010 and 7 September 2021 in the UK JIA Biologics Register were included. Patients stopping biologics for physician-reported remission, those re-starting biologics and factors associated with re-starting, were identified. Multiple imputation accounted for missing data. RESULTS: Of 1451 patients with median follow-up of 2.7 years (IQR 1.4, 4.0), 269 (19%) stopped biologics for remission after a median of 2.2 years (IQR 1.7, 3.0). Of those with follow-up data (N = 220), 118 (54%) later re-started therapy after a median of 4.7 months, with 84% re-starting the same biologic. Patients on any-line tocilizumab (prior to stopping) were less likely to re-start biologics (vs etanercept; odds ratio [OR] 0.3; 95% CI: 0.2, 0.7), while those with a longer disease duration prior to biologics (OR 1.1 per year increase; 95% CI: 1.0, 1.2) or prior uveitis were more likely to re-start biologics (OR 2.5; 95% CI: 1.3, 4.9). CONCLUSIONS: This analysis identified factors associated with successful cessation of biologics for remission in JIA as absence of uveitis, prior treatment with tocilizumab and starting biologics earlier in the disease course. Further research is needed to guide clinical recommendations.
Author(s): Kearsley-Fleet L, Baildam E, Beresford MW, Douglas S, Foster HE, Southwood TR, Hyrich KL, Ciurtin C
Publication type: Article
Publication status: Published
Journal: Rheumatology
Year: 2023
Volume: 62
Issue: 5
Pages: 1926-1935
Print publication date: 01/05/2023
Online publication date: 15/09/2022
Acceptance date: 07/08/2022
Date deposited: 01/06/2023
ISSN (print): 1462-0324
ISSN (electronic): 1462-0332
Publisher: Oxford University Press
URL: https://doi.org/10.1093/rheumatology/keac463
DOI: 10.1093/rheumatology/keac463
PubMed id: 36104094
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