Patent ID: 6932983
Filing Date: 2005-08-23
Classification: A61K,Y10S

Abstract:
1. A method of delivering a drug to a patient in need thereof, comprising administering a therapeutically or prophylactically effective amount of the drug in a formulation comprising a porous matrix which comprises a wetting agent and microparticles of the drug, wherein the microparticles have a mean diameter between about 0.1 and 5 μm and a total surface area greater than about 0.5 m wherein the porous matrix is made by a process comprising, dissolving the drug in a volatile solvent to form a drug solution, combining at least one volatile salt with the drug solution to form an emulsion, suspension, or second solution, incorporating at least one wetting agent into the emulsion, suspension, or second solution, and removing the volatile solvent and volatile salt from the emulsion, suspension, or second solution to yield the porous matrix.