PHARMACEUTICAL FORMULATIONS FOR LOCAL APPLICATION CONTAINING LOW CONCENTRATIONS OF BENZOYL PEROXIDE IN SUSPENSION IN WATER AND WATER-MISCIBLE ORGANIC SOLVENT Russian patent published in 2018 - IPC A61K9/10 A61K31/327 A61K31/7056 A61K47/10 A61K47/32 A61P17/10 

Abstract RU 2645087 C2

FIELD: pharmacology.

SUBSTANCE: invention is a method for acne treatment, comprising topical application of an effective amount of an aqueous formulation with reduced irritant effect, containing water, propylene glycol, benzoyl peroxide and clindamycin. The concentration of propylene glycol is 1-4 times the concentration of benzoyl peroxide in the composition, the ratio of water and propylene glycol concentrations in the composition is at least 12:1, the concentration of benzoyl peroxide in the composition is 2.0% to 4.0% w/w, clindamycin concentration in the composition is 0.5% to 5.0% w/w, and the effective amount of aqueous formulation is applied once a day to the acne-affected skin areas of the patient in need thereof.

EFFECT: reduced irritation on the skin.

16 cl, 4 ex, 3 tbl

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RU 2 645 087 C2

Authors

Dou Gordon Dzh.

Chang Yunik

Dates

2018-02-15Published

2013-05-15Filed