Patent ID: 8080537

Claim:
A regimen for the therapeutic treatment of acne lesions, the regimen comprising topically applying to the skin of a subject in need of said treatment, as active ingredients, adapalene or a pharmaceutically acceptable salt thereof and benzoyl peroxide, combined at fixed doses of 0.1% adapalene and 2.5% benzoyl peroxide in a single formula that delivers said active ingredients together, wherein the adapalene or pharmaceutically acceptable salt thereof and the benzoyl peroxide are the only anti-acne active ingredients in said single formula, wherein said single formula is applied once daily for a period of 12 weeks, and wherein the net clinical benefit, expressed as success rate or reduction in total lesion counts in a group of such subjects, achieved by the single formula at week 8 is synergistic and numerically superior to the net clinical benefit achieved by 0.1% adapalene alone or 2.5% benzoyl peroxide alone at week 12.