Abstract
ABSTRACT Objective: To evaluate the long-term efficacy of methotrexate (MTX) monotherapy in patients with juvenile idiopathic arthritis-associated uveitis (JIA-U). Methods: We analyzed a cohort of patients with JIA-U treated with MTX monotherapy, divided into two groups depending on whether MTX was started before (on-MTX group) or after uveitis diagnosis (MTX-naïve group). The primary endpoint was the time between uveitis inactivity and first relapse. Results: 84 patients entered the study. The median duration of remission on MTX monotherapy resulted 8.2 months. The on-MTX group showed a significant longer time interval between arthritis and uveitis onset and higher need for biologic agents (bDMARD). During follow-up, 40 patients (47.6%) needed bDMARD due to poor control of uveitis. Clinical remission off medication was achieved in 11.9% of patients, all belonging to the MTX-naïve group. Conclusions: MTX monotherapy, although effective in early stages of JIA-U, showed poor disease control in the long term.
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