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Currently, little is known about when or how to stop etanercept in patients with juvenile idiopathic arthritis (JIA) when a good clinical response is reached, and therefore no guidelines are available.1 We evaluated the disease course of patients with JIA who discontinued etanercept because of a sustained good clinical response.
This study is embedded in the Arthritis and Biologicals in Children (ABC) project, a prospective ongoing multicentre, observational study that includes all Dutch patients with JIA who used etanercept since 1999.2 3 We selected all patients who discontinued etanercept because of sustained good clinical response determined by the treating doctor. The outcome measures to assess disease activity consisted of the JIA core set of …
Competing interests: Wyeth International financially supported (unconditionally) the development and maintenance of the web-based ABC register.
Ethics approval: Ethics approval was obtained.