"PSA Prostate Cancer VaccinePTNCI" . "C2497"^^ . "OncoVax-PRBRNCI" . "Pharmacologic Substance"^^ . "43250"^^ . "Immunologic Factor"^^ . "A peptide vaccine containing the prostate specific antigen (PSA) with potential antineoplastic activity. PSA, a glycoprotein secreted by prostatic epithelial and ductal cells, is overexpressed in prostate cancer cells and is used as a tumor marker for both diagnosis and treatment evaluation. Vaccination with PSA peptide vaccine may produce anti-PSA antibodies as well as elicit a cytotoxic T-cell (CTL) response against prostate cancer cells expressing this antigen, thereby decreasing tumor cell growth.NCI" . . "43250"^^ . "C0919275"^^ . "PSA Prostate Cancer Vaccine"^^ . "PSA Prostate Cancer Vaccine"^^ . "PSA_Prostate_Cancer_Vaccine"^^ . "Hormone Refractory Metastatic Breast Cancer and Prostate Cancer and PSA Recurrence"^^ . .