Docetaxel Trihydrate acts as an antineoplastic, as well as an antimitotic agent that promotes the assembly of microtublules which inhibits their depolymerization to free tubulin. The trihydrate form of docetaxel. It is used for the treatment of breast, ovarian, and non-small cell lung cancer, and with prednisone or prednisolone in hormone-refractory metastatic prostate cancer. Docetaxel is a clinically well established anti-mitotic chemotherapy medication used mainly for the treatment of breast, ovarian, and non-small cell lung cancer. Docetaxel reversibly binds to tubulin with high affinity in a 1:1 stoichiometric ratio.