Delayed Clinical Response in Patients with Juvenile Idiopathic Arthritis Treated with Etanercept

Marieke H. Otten*, Femke H. M. Prince, Marinka Twilt, Marion A. J. van Rossum, Wineke Armbrust, Esther P. A. H. Hoppenreijs, Sylvia Kamphuis, Yvonne Koopman-Keemink, Nico M. Wulffraat, Simone L. Gorter, Rebecca ten Cate, Lisette W. A. van Suijlekom-Smit

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Objective. To evaluate response in patients with juvenile idiopathic arthritis (JIA) who failed to meet response criteria after 3 months of etanercept treatment. Methods. This was a prospective ongoing Multicenter observational study of all Dutch patients with JIA using etanercept. Response according to American College of Rheumatology Pediatric 30 criteria was assessed at study start and at 3 and 15 months. Results. In total we studied 179 patients of median age 5.8 years at disease onset; 70% were female. Thirty-four patients did not respond after 3 months, of which 20 continued etanercept and 11 achieved response thereafter. Conclusion. The delayed clinically relevant response in a substantial proportion of patients who initially did not respond justifies the consideration of continuing therapy to at least 6 months. (First Release Jan 15 2010; J Rheumatol 20 10;37:665-7 doi: 10.3899/jrheum.090550)
Original languageEnglish
Pages (from-to)665-667
JournalJournal of Rheumatology
Volume37
Issue number3
DOIs
Publication statusPublished - Mar 2010

Keywords

  • JUVENILE IDIOPATHIC ARTHRITIS
  • ANTIRHEUMATIC AGENTS
  • TUMOR NECROSIS FACTOR-alpha
  • DRUG ADMINISTRATION SCHEDULE
  • TREATMENT OUTCOME
  • ARTHRITIS

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