 ELIGIBILITY CRITERIA Men at least 18 years of age with asymptomatic or minimally symptomatic, metastatic, androgen independent prostate cancer will be recruited for this study. Before the initiation of screening procedures, the patient will undergo the Informed Consent Process which includes signing an Institutional Review Board IRB-approved consent form. The subject will subsequently undergo screening assessments to determine if he meets the eligibility criteria for the study. 