Abstract
Clindamycin phosphate 1.2%/adapalene 0.15%/benzoyl peroxide 3.1% gel (CAB) is the only fixed-dose triple-combination treatment approved for acne. This post hoc analysis assessed the impact of sex on efficacy and safety/tolerability of CAB. In two multicenter, double-blind, phase 3 studies (NCT04214639 and NCT04214652), participants aged ≥9 years with moderate-to-severe acne were randomized (2:1) to 12 weeks of once-daily treatment with CAB or vehicle gel. Pooled data were analyzed by sex. Assessments included treatment success (≥2-grade reduction from baseline in Evaluator’s Global Severity Score and a score of 0 [clear] or 1 [almost clear]), inflammatory/noninflammatory lesion counts, Acne-Specific Quality of Life (Acne-QoL) questionnaire, treatment-emergent adverse events (TEAEs), and cutaneous safety/tolerability. At week 12, treatment success rates were significantly greater with CAB versus vehicle irrespective of sex (females: 53.7% vs 23.0%; males: 43.1% vs 24.6%; P<0.05, both). CAB-treated female and male participants both experienced greater reductions from baseline versus vehicle in inflammatory (females: 77.7% vs 57.9%; males: 77.5% vs 57.1%; P<0.001, both) and noninflammatory lesions (females: 72.5% vs 45.6%; males: 72.3% vs 49.6%; P<0.001, both). Acne-QoL improvements from baseline to week 12 were significantly greater with CAB than vehicle. No significant differences in any efficacy measures between CAB-treated males and females were observed. Most TEAEs were of mild-to-moderate severity; no sex-based trends for safety/tolerability were observed. CAB demonstrated comparable efficacy, quality-of-life improvements, and safety in female and male participants with moderate-to-severe acne. As the first fixed-dose, triple-combination topical formulation, CAB represents an important new treatment for acne. J Drugs Dermatol. 2024;23(10):873-881. doi:10.36849/JDD.8484.
Published Version
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