Patent ID: 7312240

Claim:
A pharmaceutical composition, comprising: at least one paclitaxel derivative which includes a bridge from the C-3′ position of the side chain to the C-4 position of a taxane skeleton which has the structures below wherein X is selected from the group consisting of O, CH 2 , S, NH, OH and NH 2 ; R 1 is selected from the group consisting of C 1 to C 10 linear or branched chain alkyl, alkenyl, and alkoxy groups, and substituted and unsubstituted aryl and heteroaryl rings; R 2 is selected from the group consisting of hydrogen, OH, and OCOR 4 , where R 4 is a C 1 to C 10 linear or branched chain alkyl, alkenyl, or alkoxy group; and R 3 is selected from the group consisting of methyl, a C 1 to C 10 linear or branched chain alkyl or alkenyl group, and an aryl or heteroaryl group; an emulsifying agent; and a solvent.