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Human autologous T lymphocytes genetically modified to express a T-cell receptor (TCR) that specifically targets human melanoma-associated antigen A3 (MAGE-A3) and MAGE-A6 (MAGEA3/A6; MAGE-A3/A6), with potential antineoplastic activity. Peripheral blood mononuclear cells (PBMCs) are isolated from a patient, transduced with a gene expressing a TCR specific for the MAGE-A3/A6 antigens, expanded ex vivo, and reintroduced into the patient. Then, the autologous MAGE-A3/A6-specific TCR gene engineered lymphocytes KITE-718 target and bind to tumor cells expressing the MAGE-A3 and/or MAGE-A6 antigens. This halts the growth of and kills MAGE-A3/A6-expressing cancer cells. The tumor-associated antigens MAGE-A3 and MAGE-A6 are overexpressed on a variety of tumor cell types. Check for \'https://www.cancer.gov/about-cancer/treatment/clinical-trials/intervention/C135534\' active clinical trials using this agent. (\'http://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C135534\' NCI Thesaurus)
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