Patent ID: 8685428

Claim:
A method comprising: (a) mixing everolimus with an aqueous buffer solution or water thereby forming a mixture of everolimus and the aqueous buffer solution or a mixture of everolimus and water; and (b) adding a surfactant to the mixture to form a composition, wherein an amount of everolimus being mixed with the aqueous buffer solution or water is between about 1 and 100 micrograms per milliliter of the buffer solution or water; wherein the surfactant is selected from a group consisting of a condensate of p-octylphenol with ethylene oxide, sodium dodecyl sulfate, and a polyoxyethylenesorbitan monooleate; whereby the surfactant forms micelles or vesicles which envelop everolimus molecules; wherein the micelles or vesicles consist of the surfactant, everolimus, and the aqueous buffer solution or water.