Journal
HUMAN VACCINES & IMMUNOTHERAPEUTICS
Volume 19, Issue 1, Pages -Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/21645515.2023.2198467
Keywords
Dendritic cells; autologous tumor antigens; cancer stem cells; tumor initiating cells; cancer; vaccine; personalized immunotherapy; personal immunotherapy
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Autologous dendritic cell therapy loaded with autologous tumor antigens has shown promising results in treating cancer, particularly metastatic melanoma. Observations from over 200 patients receiving this therapy include high success rates in tumor cell cultures and dendritic cell production, well-tolerated injections, rapid immune response primarily involving TH1/TH17 cells, and efficacy demonstrated by regression of measurable tumors, progression-free survival in glioblastoma, and overall survival in melanoma.
A promising personal immunotherapy is autologous dendritic cells (DC) loaded ex vivo with autologous tumor antigens (ATA) derived from self-renewing autologous cancer cells. DC-ATA are suspended in granulocyte-macrophage colony stimulating factor at the time of each subcutaneous injection. Previously, irradiated autologous tumor cell vaccines have produced encouraging results in 150 cancer patients, but the DC-ATA vaccine demonstrated superiority in single-arm and randomized trials in metastatic melanoma. DC-ATA have been injected into more than 200 patients with melanoma, glioblastoma, and ovarian, hepatocellular, and renal cell cancers. Key observations include: [1] greater than 95% success rates for tumor cell cultures and monocyte collection for dendritic cell production; [2] injections are well-tolerated; [3] the immune response is rapid and includes primarily TH1/TH17 cellular responses; [4] efficacy has been suggested by delayed but durable complete tumor regressions in patients with measurable disease, by progression-free survival in glioblastoma, and by overall survival in melanoma.
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