NCT00551525 2017-07-25Samarium Sm 153 Lexidronam Pentasodium and 3-Dimensional Conformal Radiation Therapy or Intensity-Modulated Radiation Therapy in Treating Patients With Rising Prostate-Specific Antigen Levels After Radical Prostatectomy for Prostate CancerRadiation Therapy Oncology GroupPhase 2 Completed67 enrolled 10 charts