Pharmaceutical formulations comprising cabazitaxel, solubilizer, tocopherol polyethylene glycol succinate (TPGS), one or more hydrotropes, optionally one or more agents having a pKa of about 3 to about 6, and optionally one or more antioxidizing agents, wherein the formulations are substantially free of polysorbates and polyethoxylated castor oil. The solubilizer may comprise glycofurol or ethanol. Pharmaceutical formulations may alternatively comprise cabazitaxel, solubilizer, optionally one or more agents having a pKa of about 3 to about 6, and optionally one or more antioxidizing agents, wherein the formulations are substantially free of polysorbates and polyethoxylated castor oil. These formulations may be combined with a diluent, which comprises TPGS and one or more hydrotropes. Methods of administering the cabazitaxel formulations include combining the formulations with an infusion solution.
