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I read with great interest the article by Reginster and colleagues1 regarding the effectiveness of chondroitin sulfate (CS) in the treatment of symptomatic knee osteoarthritis (OA). This randomised, double-blind trial demonstrated that pharmaceutical-grade CS is superior to placebo and equivalent to celecoxib in reducing pain and improving function over 6 months in patients with symptomatic knee OA, indicating that this formulation of CS should be considered a first-line treatment in the …
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.
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