E. R. Squibb Sons, Inc.

Richard L O'Laughlin

Thaddeus Prusik

Sailesh A Varia

Andrea Panaggio

Yu-chang J Wang

Friedrich Dursch

Dursch Friedrich

A steroid cream formulation which has enhanced physical and chemical stability is formed of (11.beta.,17.alpha.)-17-(ethylthio)-9.alpha.-fluoro-11.beta.-hydroxy-17-(m ethylthio)androsta-1,4-dien-3-one (tipredane), and a vehicle containing as major ingredients glyceryl monostearate having an acid value of greater than 4, propylene glycol and water together with a sodium citrate or potassium citrate buffer, a non-acidic long chain fatty acid wax to impart proper consistency, and sodium metabisulfite as an antioxidant, together with emulsifiers, skin conditioners, emollients, lubricants and other conventional cream formulation ingredients.

Steroid cream formulation

A steroid ointment formulation which has enhanced physical and chemical stability is formed of 11.beta.,17.alpha.)-17-(ethylthio)-9.alpha.-fluoro-11.beta.-hydroxy-17-(me thylthio)androsta-1,4-dien-3-one (tipredane), and a vehicle containing as major ingredients propylene glycol and water, cetearyl alcohol and ceteareth 20 or other dispersing agent for propylene glycol, together with a sodium or potassium citrate and magnesium hydroxide buffer to impart a neutral or slightly alkaline apparent pH (5 to 9), a non-acidic long chain fatty acid wax to impart proper consistency to the ointment and sodium metabisulfite and butylated hydroxy toluene as antioxidants, together with thickeners, emollients, lubricants and other conventional ointment formulation ingredients.

Steroid ointment formulation

A monohydrate of a steroid having the structure ##STR1## and the 1,2-dehydro derivatives thereof, is provided which monohydrate is in the form of a particulate material having a stable average particle size of less than about 20 microns. Cream and lotion formulations containing the steroid monohydrate and a method for forming the monohydrate are also provided.

Growing community of inventors

North Brunswick, NJ, United States of America

Richard L O'Laughlin