Patent ID: 7220428

Claim:
A pharmaceutical composition comprising non-gas containing nanoparticles capable of being inuemalized within a target tissue or cell sufficient to achieve a desired effect comprising: a mixture of select lipids comprising: a) at least one first member selected from the group consisting of glycerol monoesters of saturated carboxylic acids containing from about 10 to 18 carbon atoms and aliphatic alcohols containing from about 10 to 18 carbon atoms; b) at least one second member selected from the group consisting of sterol aromatic acid esters; c) at least one third member selected from the group consisting of sterols and sterol esters of aliphatic carboxylic acids containing from about 1 to 18 carbon atoms; and d) at least one fourth member selected from the group consisting of glycerol and glycerol di- and tri-esters of aliphatic carboxylic acids containing from about 10 to 18 carbon atoms and aliphatic alcohols containing from about 10 to 18 carbon atoms; and at least one cancer treating therapeutically active agent, wherein said pharmaceutical composition is produced by processing through a microfluidizer.