622713 Disclosed is a method for treating a subject with a cancer selected from breast cancer, ovarian cancer and prostate cancer, comprising administering to the subject an effective amount of paclitaxel or docetaxel and an effective amount of: 3-(2,4-dihydroxy-5-isopropyl-phenyl)-4-(1-methyl-indol-5-yl)-5-hydroxy-[1,2,4]triazole or 5-hydroxy-4-(5-hydroxy-4-(1-methyl-1H-indol-5-yl)-4H-1,2,4-triazol-3-yl)-2-isopropylphenyl dihydrogen phosphate a tautomer, or a pharmaceutically acceptable salt thereof.