1.Testing Satraplatin in Advanced Prostate Cancer (Posted: 10/20/2009) - In this clinical trial, men with androgen-independent metastatic prostate cancer that has progressed after first-line chemotherapy will be treated with satraplatin and prednisone. 2.Imaging the Extent of Prostate Cancer (Posted: 06/02/2009, Updated: 07/31/2009) - In this clinical trial, researchers are testing PET scans using carbon-11 (C-11) acetate in conjunction with subsequent MRI to see if the resulting images allow better characterization of both the physical extent and the relative level of cellular growth of prostate tumors in patients known to have prostate cancer. 3.Enhancing Cancer Information Materials with Multimedia (Posted: 02/10/2009) - Patients with newly diagnosed prostate or breast cancer or who are finishing or recently completed breast cancer treatment and who call the NCI's Cancer Information Service for information will be invited to participate in a trial of multimedia information during the call. 4.Targeting Occult Cancer Cells in High-risk Prostate Cancer Patients (Posted: 09/09/2008) - In this trial, prostate cancer patients classified as having a high risk of recurrence will be randomly assigned to undergo a course of neoadjuvant therapy consisting of chemotherapy and anti-androgen therapy or proceed directly to surgery. 5.Cilengitide for PSA-Only Progressive Prostate Cancer (Posted: 03/27/2007, Updated: 06/17/2008) - In this trial, men with prostate cancer that is progressing, as indicated by a rising PSA level, despite antiandrogen therapy will be treated with a drug called cilengitide, which blocks receptor proteins that help prostate cancer grow and spread.