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  • Title: A multicentre, randomized, single-blind comparison of topical clindamycin 1%/benzoyl peroxide 5% once-daily gel versus clindamycin 1% twice-daily gel in the treatment of mild to moderate acne vulgaris in Chinese patients.
    Author: Xu JH, Lu QJ, Huang JH, Hao F, Sun QN, Fang H, Gu J, Dong XQ, Zheng J, Luo D, Li FQ, Wang G, Gu H, Tian HQ, Yang HL, Xi LY, Li M, Zheng M, Wu Y, Tu YT, He YL, Zhao G, Sheng WX, Li J, Hamedani AG.
    Journal: J Eur Acad Dermatol Venereol; 2016 Jul; 30(7):1176-82. PubMed ID: 27075705.
    Abstract:
    BACKGROUND: Acne vulgaris affects up to 54% of Chinese adolescents. Combination therapy has become the recommended standard of care for acne. OBJECTIVE: The aim of this study was to compare the efficacy and safety of clindamycin (1%) and benzoyl peroxide (5%) (CDP/BPO) gel once daily vs. clindamycin (1%) (CDP) monotherapy gel twice daily in Chinese patients with mild to moderate acne. METHODS: 1020 patients (aged 12-45 years) with mild to moderate acne were randomized (1 : 1); 1016 patients were treated with CDP/BPO (n = 500) or CDP (n = 516) for a 12-week treatment period. Efficacy assessments were performed at baseline, and at weeks 1, 2, 4, 8 and 12; and primarily included change in total lesion count (inflammatory and non-inflammatory lesions), and proportion of patients with a minimum 2-grade improvement in Investigator's Static Global Assessment (ISGA) score. Patient safety and local tolerability were also evaluated. RESULTS: Patients in CDP/BPO group showed a greater per cent reduction in total lesion count compared with patients in CDP group at week 12 (delta = -0.05; 95% CI = -0.09, -0.02; P = 0.003); statistically significant reduction in lesion count was noted as early as week 1 and continued through week 12. A greater proportion of patients in CDP/BPO group showed a ≥2-grade improvement in ISGA score at week 12 compared with CDP group (30.2% vs. 22.7%; P = 0.018). Overall, the incidence of adverse events (AEs) was higher in the CDP/BPO group (14.4%) than in the CDP group (7.9%); the most commonly reported events were generally related to application site reactions (erythema, pruritus and swelling). Incidence of drug-related AEs was 8.6% in CDP/BPO group and 1.2% in CDP group. Both groups showed trends towards reduction in investigator and subject rated local tolerability scores. CONCLUSION: CDP/BPO gel demonstrated superior efficacy over CDP gel along with acceptable safety and tolerability in Chinese patients with mild to moderate acne. GOV NUMBER: NCT01915732.
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