Patent ID: 8304450

Claim:
A sterile pharmaceutical composition consisting of, in proportion of 40:1000 w/v, (2R,3S)4-acetoxy-2-α-benzoyloxy-5β-20-epoxy-1,7-β-10-β-tri-hydroxy-9-oxo-tax-11-en-13α-yl 3-tert-butoxycarbonylamino-2-hydroxy-3-phenylpropionate (anhydrous docetaxel (I)) with a water content lower than 1.0% w/w calculated on an anhydrous basis, and an acidified polysorbate 80; where the acid used to acidify the polysorbate 80 is selected from the group consisting of acetic acid, ascorbic acid and citric acid, wherein said acid is present in a sufficient quantity to obtain a polysorbate 80 pH in the range of 3.0 to 4.5.