MP27-15 SABIZABULIN HAS BOTH CYTOTOXIC AND CYTOSTATIC ACTIVITY IN PHASE 1B/2 CLINICAL OF MEN WITH METASTATIC CASTRATION RESISTANT PROSTATE CANCER WHO PROGRESSED ON ANDROGEN RECEPTOR TARGETING AGENTS. (May 2022) - Markowski, Mark; Eisenberger, Mario; Pieczonka, Christopher; Getzenberg, Robert; Rodriguez, Domingo; Barnette, K. Gary; Steiner, MItchell; Saltzstein, Daniel; Antonarakis, Emmanuel; Tutrone, Ronald