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J Rheumatol. 2009 Jan;36(1):174-82. doi: 10.3899/jrheum.080073.

A prospective study comparing celecoxib with naproxen in children with juvenile rheumatoid arthritis.

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Hamburger Zentrum für Kinder- und Jugendrheumatologie, Am Klinikum Eilbek, Dehnhaide 120, 22081 Hamburg, Germany.



To compare the efficacy and safety of celecoxib and naproxen in children with juvenile rheumatoid arthritis (JRA).


In this multicenter, randomized, double-blind, noninferiority study, subjects with JRA were randomized to receive a target dose of celecoxib 3 mg/kg bid or 6 mg/kg bid, or a target dose of naproxen 7.5 mg/kg bid for 12 weeks (maximum allowed dose=600 mg total daily dose). The primary efficacy measure was the percentage of responders at Week 12 attaining the American College of Rheumatology pediatric 30% improvement criterion (ACR Pediatric-30).


Both celecoxib doses were at least as effective as naproxen at Week 12 [ACR Pediatric-30 treatment differences: celecoxib 3 mg/kg bid-naproxen=1.36% (95% CI -13.08 to 15.80); celecoxib 6 mg/kg bid-naproxen=13.02% (95% CI -0.22 to 26.25)]. Celecoxib 6 mg/kg bid had a numerically higher response rate than celecoxib 3 mg/kg bid at all postrandomization visits and a numerically higher response rate than naproxen 7.5 mg/kg bid at Weeks 4, 8, and 12. Improvement in each ACR Pediatric-30 core set measure was comparable to or numerically higher for celecoxib 6 mg/kg bid than naproxen or celecoxib 3 mg/kg bid. Adverse event rates were similar for all treatment groups, except that gastrointestinal adverse events were more common in the naproxen group, although the difference was not statistically significant.


Celecoxib 3 mg/kg bid and 6 mg/kg bid were at least as effective as naproxen 7.5 mg/kg bid in treating the signs and symptoms of JRA over 12 weeks. All treatments were generally well tolerated.

[Indexed for MEDLINE]

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