Factors associated with improvement in disease activity following initiation of etanercept in children and young people with Juvenile Idiopathic Arthritis: results from the British Society for Paediatric and Adolescent Rheumatology Etanercept Cohort Study

摘要

Objectives. The objectives of this study were to investigate change in disease activity, and explore factors associated with response, in children with JIA over the initial year of etanercept treatment.