• Reiner Lehmann, Marek Brzosko, Petr Kopsa, Ruth Nischik, Andreas Kreisse, Helen Thurston, Stephane Litschig, and Victor S Sloan.
• Klinische Forschung Berlin Buch, Berlin, Germany.
• Curr Med Res Opin. 2005 Apr 1;21(4):517-26.

ObjectiveTo determine the efficacy and safety of lumiracoxib for knee osteoarthritis (OA).MethodsThis was a 13-week, multicentre, randomized, double-blind, double-dummy, placebo-controlled study. Males or females aged >/= 18 years with primary knee OA received lumiracoxib 100 mg od, lumiracoxib 100 mg od with a loading dose of 200 mg od for the first two weeks, celecoxib 200 mg od, or placebo.Main Outcome MeasuresCo-primary variables, assessed at week 13, were OA pain intensity in the target knee, patient's global assessment of disease activity and the WOMAC total score. Other variables included OMERACT-OARSI responder rates and WOMAC subscale scores. Safety and tolerability were evaluated.ResultsAll active treatments were superior to placebo for all co-primary variables. No significant differences were observed between any active treatments. Mean reductions from baseline to week 13 for lumiracoxib 100mg od, 100mg od with loading dose, celecoxib and placebo, respectively, were: OA pain intensity in the target knee: 26.8, 26.2, 26.6 and 21.4mm (all p < 0.01 vs. placebo); patient's global assessment of disease activity: 25.1, 21.9, 22.9 and 18.9 mm (all p < 0.05 vs. placebo); WOMAC total score: 15.2, 14.8, 14.7 and 11.3 (all p < 0.01 vs. placebo). Lumiracoxib was superior to placebo and similar to celecoxib for OMERACT-OARSI response and WOMAC subscale scores. Lumiracoxib was well tolerated. The incidence of adverse events was similar across groups.ConclusionsLumiracoxib 100 mg od provided effective relief from the pain of knee OA, with efficacy similar to celecoxib 200 mg od, and was well tolerated.

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