Engineered chimeric antigen receptor (CAR)-T cell delivery is the methodology by which clinicians introduce the cancer-targeting therapeutic system of the CAR-T cell to the human body. CAR-T cells, which utilizes genetic modification of human T-cells to contain antigen binding sequences in addition to the receptor systems CD4 or CD8, are useful in direct targeting and elimination of cancer cells through cytotoxicity.
CAR-T cell delivery involves many varying modalities for implementation, spurring innovative biomedical research to address these modalities. These delivery mechanisms serve to address the limitations of CAR-T cells in translational experimentation and clinical trials, including shelf-life, off-target effects, and tumor infiltration.[1] As of April 2023, six CAR-T cell therapies are clinically approved by the FDA, all of which target hematologic (blood-based) cancers, including multiple myeloma and B-cell leukemias.[2][3] Novel engineered compound-based delivery methods, some of which are in clinical trials, aim to address limitations related to CAR-T cell delivery with the focus to target non-blood based cancers.[4][5]
^Sterner, Sterner, R.C., R.M. (2021). "CAR-T cell therapy: current limitations and potential strategies". Blood Cancer J. 11 (69): 69. doi:10.1038/s41408-021-00459-7. PMC 8024391. PMID 33824268.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^"CAR T Cells: Engineering Immune Cells to Treat Cancer". NCI. 6 December 2013. Retrieved 10 April 2023.
^"Approved Cellular and Gene Therapy Products". U.S. Food and Drug Administration (FDA). Retrieved 10 April 2023.
^Sagnella, Sharon M.; White, Amy L.; Yeo, Dannel; Saxena, Payal; van Zandwijk, Nico; Rasko, John E.J. (Aug 2022). "Locoregional delivery of CAR-T cells in the clinic". Pharmacological Research. 182: 106329. doi:10.1016/j.phrs.2022.106329. PMID 35772645.
^Ding, Yingyue; Wang, Yixin; Hu, Quanyin (Jun 2022). "Recent advances in overcoming barriers to cell‐based delivery systems for cancer immunotherapy". Exploration. 2 (3): 20210106. doi:10.1002/EXP.20210106. ISSN 2766-2098. PMC 10190958. PMID 37323702. S2CID 247494915.
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