Topical anhydrous and ethanol-free ascomycin compositions

摘要

Single-phase topical liquid or semi-solid pharmaceutical compositions substantially free of ethanol and water and comprising an ascomycin, such as pimecrolimus, in a carrier vehicle comprising a 3-component solvent mixture amounting to at least 40% w/w of the total weight of the composition and consisting of: i) a C_3-8 alkanol and/or C_1-8 alkanediol; ii) a fatty alcohol; and iii) a further solvent selected from: a) an alkane carboxylic acid alkyl ester and/or alkane dicarboxylic acid alkyl ester and/or b) a hydrophilic co-component and/or c) a triglyceride; and optionally further conventional excipients.