Patent ID: 8815816
Filing Date: 2014-08-26
Classification: A61K,A61P

Abstract:
1. A method for treating rosacea, common acne, seborrheic dermatitis, perioral dermatitis, an acneform rash, transient acantholytic dermatitis or acne necrotica milliaris, comprising topically applying onto the affected skin area of an individual in need of such treatment, a topical pharmaceutical emulsion which comprises: a thus effective amount of ivermectin; an oily phase; at least one surfactant-emulsifier selected from the group consisting of polyoxyethylenated fatty acid esters and sorbitan esters; a mixture of solvents and/or propenetrating agents for the ivermectin, said solvents and/or propenetrating agents being selected from the group consisting of propylene glycol, ethanol, isopropanol, butanol, N-methyl-2-pyrrolidone, DMSO, polysorbate 80, phenoxyethanol, glyceryl triacetate and oleyl alcohol; one or more gelling agents but excluding aluminum magnesium silicate/titanium dioxide/silica; and water; said emulsion having lamellar layers of liquid crystals and being chemically stable over a period of 8 weeks.