Phase 1A/1B Study of PSA/IL-2/GM-CSF Vaccine for Recurrent Prostate Cancer in Hormone Naive and Hormone Independent Patients

"In Stage 1 (Phase 1A), patients receive intradermal injections of PSA/IL-2/GM-CSF vaccine at Weeks 1, 2, 3, 7, 11, and 15.~In Stage 2 (Phase 1B), patients will receive the same course of vaccine (induction as in Phase 1A; this will be followed in eligible patients by maintenance vaccinations alternating between IL-2 alone at Weeks 23, 31, and 39) and complete vaccine (PSA/IL-2/GM-CSF) at Weeks 27, 35, and 43."