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Tolerability of clindamycin/tretinoin gel vs. tretinoin microsphere gel and adapalene gel.

Author(s): Leyden J, Wortzman M, Baldwin EK

Affiliation(s): Skin Study Center, Broomall, PA 19008, USA. jjleyden@mindspring.com

Publication date & source: 2009-04, J Drugs Dermatol., 8(4):383-8.

Publication type: Comparative Study; Randomized Controlled Trial

BACKGROUND: Newer agents and formulations seek to improve the tolerability of topical retinoid therapy. Recently, a gel containing crystalline clindamycin 1.2% and tretinoin 0.025% (CLIN/RA) was approved by the U.S. Food and Drug Administration (FDA) for the treatment of treating mild-to-moderate acne. OBJECTIVE: This single-center, randomized, evaluator-blind phase 1 study compared the tolerability of CLIN/RA to 0.1% tretinoin gel or 0.1% adapalene gel. RESULTS: Forty-five patients applied CLIN/RA once daily to one side of their face every day for 21 days. Patients were randomized to either tretinoin 0.1% (n = 23) or adapalene 0.1% (n = 22) on the contralateral side. A clinical evaluator assessed degree of erythema and scaling; patients provided subjective evaluations of burning, stinging, and itching. CONCLUSION: CLIN/RA was significantly better tolerated than was 0.1% tretinoin gel, as evidenced by significantly reduced erythema (P < 0.04), scaling (P < 0.03), itching (P < 0.02), burning (P < 0.03) and stinging (P < 0.04). A trend for greater erythema, scaling, and subjective discomfort for 0.1% adapalene gel compared to CLIN/RA was also evident.

Page last updated: 2009-10-20

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