The Medical Letter on Drugs and Therapeutics
Diclofenac Gel For Osteoarthritis
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The nonsteroidal anti-inflammatory drug (NSAID) diclofenac, has been approved by the FDA in a 1% topical gel formulation (Voltaren Gel – Endo) for treatment of osteoarthritis (OA). A 3% topical diclofenac gel (Solaraze) is currently approved for treatment of actinic keratoses,1 but not for topical use on joints. No other topical NSAIDs are approved by the FDA for OA. A diclofenac patch (Flector) was recently approved by the FDA for treatment of pain due to minor strains, sprains and contusions.2

CLINICAL STUDIES — An eight-week randomized double-blind trial in 385 patients with symptomatic OA of the hand found topical diclofenac gel 2 g applied four times daily more effective in controlling pain than its vehicle alone; after 6 weeks, pain scores were reduced by 46% with the gel, compared to 36% with the vehicle alone, which was ... more      

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Title: Diclofenac Gel For Osteoarthritis
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