Original Research

A Combination Benzoyl Peroxide and Clindamycin Topical Gel Compared With Benzoyl Peroxide, Clindamycin Phosphate, and Vehicle in the Treatment of Acne Vulgaris

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A topical gel combining 5% benzoyl peroxide and 1% clindamycin as phosphate was evaluated in a 10-week randomized double-blind trial involving 287 patients with moderate to moderately severe acne. The combination agent demonstrated significantly greater reductions in inflammatory lesions than either of its active constituents (5% benzoyl peroxide and 1% clindamycin) or vehicle when used alone. Significantly greater reductions in comedos and improvements, as measured by both physicians' and patients' global evaluations, were obtained with the combination agent than with clindamycin or vehicle. The reduction in comedos and the global improvements were similar between the combination agent and benzoyl peroxide. The combination agent was well tolerated; the incidence of dry skin was similar to that found with benzoyl peroxide, and other adverse events were similar to that with vehicle. The improved efficacy obtained with combination therapy was accompanied by a safety profile similar to that of either constituent used alone.


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