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Jul 31, 2021

Absence of Association Between Abatacept Exposure and Initial Infection in Patients With Juvenile Idiopathic Arthritis


Objective: To assess the relationship between infection risk and abatacept (ABA) exposure levels in patients with polyarticular-course juvenile idiopathic arthritis (pJIA) following treatment with subcutaneous (SC) and intravenous (IV) ABA.

Methods: Data from 2 published studies ( NCT01844518, NCT00095173) of ABA treatment in pediatric patients were analyzed. One study treated patients aged 2-17 years with SC ABA and the other treated patients aged 6-17 years with IV ABA. Association between serum ABA exposure measures and infection was evaluated using Kaplan-Meier plots of probability of first infection vs time on treatment by ABA exposure quartiles and log-rank tests. Number of infections by ABA exposure quartiles was investigated.

By, Nicolino Ruperto, Hermine I Brunner, Nikolay Tzaribachev, Gabriel Vega-Cornejo, Ingrid Louw, Rolando Cimaz, Jason Dare, Graciela Espada, Enrique Faugier, Manuel Ferrandiz, Valeria Gerloni, Pierre Quartier, Clovis Artur Silva, Linda Wagner-Weiner, Yash Gandhi, Julie A Passarell, Marleen Nys, Robert Wong, Alberto Martini, Daniel J Lovell.

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