Effect of first-line biologic initiation on glucocorticoid exposure in children hospitalized with new-onset systemic juvenile idiopathic arthritis: emulation of a pragmatic trial using observational data

Autor: Rosemary G. Peterson, Rui Xiao, Hannah Katcoff, Brian T. Fisher, Pamela F. Weiss
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Pediatric Rheumatology Online Journal, Vol 19, Iss 1, Pp 1-8 (2021)
Druh dokumentu: article
ISSN: 1546-0096
DOI: 10.1186/s12969-021-00597-z
Popis: Abstract Background Glucocorticoid exposure is a significant driver of morbidity in children with systemic juvenile idiopathic arthritis (sJIA). We determined the effect of early initiation of biologic therapy (IL-1 or IL-6 inhibition) on glucocorticoid exposure in hospitalized patients with new-onset sJIA. Methods We emulated a pragmatic sequence of trials (“pseudo-trials”) of biologic initiation in children (≤ 18 years) hospitalized with new-onset sJIA utilizing retrospective data from an administrative database from 52 tertiary care children’s hospitals from 2008 to 2019. Eligibility window, treatment assignment and start of follow-up between biologic and non-biologic study arms were aligned for each pseudo-trial. Patients in the source population could meet eligibility criteria at several timepoints. Mixed-effects logistic regression was used to determine the effect of biologic initiation on in-hospital glucocorticoid exposure. Results Four hundred sixty-eight children met eligibility criteria, of which 19% received biologic therapy without preceding or concomitant initiation of immunomodulatory medications. This proportion significantly increased over time during the study period (p
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