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An attenuated strain of Mycobacterium w, a non-pathogenic, rapidly growing, atypical mycobacterium, with non-specific immunopotentiating properties. In addition to sharing a number of common B and T cell determinants with Mycobacterium leprae and Mycobacterium tuberculosis, Mycobacterium w (Mw) also shares an immunogenic determinant with prostate specific antigen (PSA). In vitro and in vivo studies have shown that heat-killed Mw can induce significant T-cell responses. This agent may induce host T-cell responses against tumor cells expressing PSA. PSA is a glycoprotein secreted by prostatic epithelial and ductal cells and may be overexpressed in prostate cancer cells. Check for \'https://www.cancer.gov/about-cancer/treatment/clinical-trials/intervention/C70969\' active clinical trials using this agent. (\'http://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C70969\' NCI Thesaurus)
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