Study of CEP-701 in Treatment of Prostate Cancer

Inclusion Criteria: * at least 18 yrs of age * diagnosis of adenocarcinoma of the prostate * no detectable metastatic disease as assessed by bone and CT scans * has increasing serum PSA concentrations * life expectancy of at least 3 months * ECOG of 0 or 1 * has been withdrawn from antiandrogen therapy for at least 6 weeks prior to entering screening period Exclusion Criteria: * has asymptomatic disease * has active GI ulceration or bleeding * has been treated with non-hormonal systemic anticancer therapy or has received radiation within 4 weeks of baseline visit * bilirubin \>2x ULN or ALT or AST \>2xULN or serum creatinine \>1.5mg/dL * hemoglobin \<9g/dL or platelets below 100,000/uL or ANC below 1500/uL * receiving treatment for HIV with protease inhibitors * has had prior malignancy within past 5 yrs with exception of resected basal or squamous cell carcinomas of the skin * has used investigational drug with previous one month