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Journal of the American Academy of Dermatology

An aqueous gel fixed combination of clindamycin phosphate 1.2% and benzoyl peroxide 2.5% for the once-daily treatment of moderate to severe acne vulgaris: assessment of efficacy and safety in 2813 patients.


PMID 18805603

Abstract

We sought to evaluate efficacy, safety, and tolerability of a combination of clindamycin phosphate 1.2% and benzoyl peroxide 2.5% (clindamycin-BPO 2.5%) aqueous gel in moderate to severe acne vulgaris. A total of 2813 patients, aged 12 years or older, were randomized to receive clindamycin-BPO 2.5%, individual active ingredients, or vehicle in two identical, double-blind, controlled 12-week, 4-arm studies evaluating safety and efficacy (inflammatory and noninflammatory lesion counts) using Evaluator Global Severity Score and subject self-assessment. Clindamycin-BPO 2.5% demonstrated statistical superiority to individual active ingredients and vehicle in reducing both inflammatory and noninflammatory lesions and acne severity. Visibly greater improvement was observed by patients with clindamycin-BPO 2.5% as early as week 2. No substantive differences were seen in cutaneous tolerability among treatment groups and less than 1% of patients discontinued treatment because of adverse events. Data from controlled studies may differ from clinical practice. Clindamycin-BPO 2.5% provides statistically significant greater efficacy than individual active ingredients and vehicle with a highly favorable safety and tolerability profile.