Mitoxantrone, Prednisone Plus Sorafenib in Taxane-Refractory Metastatic Hormone Refractory Prostate Cancer (HRPC)

"Once six patients are accrued at dose level 1, the maximum tolerated dose (MTD) will be assessed by following them through one cycle of treatment. If 2/6 patients experience dose limiting toxicity (DLT) at the 400 mg twice a day (bid) level then the MTD will be defined as 400 mg daily (QD). Additional patients will be enrolled at the MTD for the phase II portion.~Dose Level -2, Mitoxantrone 9mg/m2~Dose Level -1 Mitoxantrone 12mg/m2~Dose Level 1 Mitoxantrone 12mg/m2"

"Once six patients are accrued at dose level 1, the maximum tolerated dose (MTD) will be assessed by following them through one cycle of treatment. If 2/6 patients experience dose limiting toxicity (DLT) at the 400 mg twice a day (bid) level then the MTD will be defined as 400 mg daily (QD). Additional patients will be enrolled at the MTD for the phase II portion.~Dose Level -2, Prednisone 5mg bid~Dose Level -1 Prednisone 5mg bid~Dose Level 1 Prednisone 5mg bid"

"Once six patients are accrued at dose level 1, the maximum tolerated dose (MTD) will be assessed by following them through one cycle of treatment. If 2/6 patients experience dose limiting toxicity (DLT) at the 400 mg twice a day (bid) level then the MTD will be defined as 400 mg daily (QD). Additional patients will be enrolled at the MTD for the phase II portion.~Dose Level -2, Sorafenib 400 mg QD~Dose Level -1 Sorafenib 400 mg QD~Dose Level 1 Sorafenib 400 mg bid"