Patent ID: 6117864
Filing Date: 2000-09-12
Classification: A61K,A61P,Y10S

Abstract:
A method for enhancing percutaneous absorbability of azelastine salt in a non-irritating composition comprising administering externally to a patient a non-irritating homogeneous pharmaceutical composition suitable for external use consisting essentially of a pharmacologically effective amount of an azelastine salt and a stabilizing amount of fatty acid selected from the group consisting of capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, isostearic acid, behenic acid, oleic acid, palmitoleic acid, linolenic acid, erucic acid and linolic acid wherein fatty acid present is between a value more than 0.1 parts and 10 parts by weight of the azelastine salt, wherein the composition is free of the formation of azelastine hydrates.