Spots Global Cancer Trial Database for Study of Sipuleucel-T W/ or W/O Radium-223 in Men With Asymptomatic or Minimally Symptomatic Bone-MCRPC

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Trial Identification

Brief Title: Study of Sipuleucel-T W/ or W/O Radium-223 in Men With Asymptomatic or Minimally Symptomatic Bone-MCRPC

Official Title: A Phase 2 Study of Sipuleucel-T With or Without Radium-223 in Men With Asymptomatic or Minimally Symptomatic Bone-Metastatic Castrate-Resistant Prostate Cancer

Study ID: NCT02463799

Conditions

Prostate Cancer

Interventions

Radium-223

Sipuleucel-T

Study Description

Brief Summary: This clinical trial studies the effect of radium-223 when added to sipuleucel-T for treating castrate-resistant prostate cancer that has spread to the bone. Sipuleucel-T is an autologous cellular immunotherapy designed to stimulate an immune response against prostate cancer. It has been suggested that the immune response may be strengthened by radiation therapy. Therefore this study is testing whether radium-223 added to sipuleucel-T increases the immune response and anti-tumor effect against prostate cancer.

Detailed Description: This is a randomized study designed to assess the antigen-specific immune response of sipuleucel-T with or without radium-223. Eligible subjects will be registered and randomly assigned in a 1:1 ratio to receive sipuleucel-T and radium-223 or sipuleucel-T alone. Subjects in both arms (sipuleucel-T and radium) will undergo a standard 1.5 to 2.0 blood volume leukapheresis, followed approximately 3 days later by an IV infusion of sipuleucel-T. This process will occur a total of 3 times at approximately 2-week intervals. Subjects in Arm 1 will receive a total of 6 infusions of radium-223 at IV dose of 50 kBq/kg at 4-week interval. All participants are allowed to receive the best supportive care which includes secondary hormonal manipulation as required. No chemotherapy, external-beam radiation, or other radionuclides are allowed while on active treatment but are permitted after completion of active treatment. Glucocorticoid-containing treatments should be minimized to less than the equivalent dose of prednisone 10mg daily if feasible for the 3 months following sipuleucel-T therapy. All patients continue medical or surgical castration during treatment.