Milder drugs can be developed to eliminate hematopoietic stem cells
Recent advancements in targeted immunotherapies and antibody-drug conjugates support the development of milder, non-genotoxic agents capable of eliminating hematopoietic stem cells with significantly reduced toxicity compared to traditional chemotherapy and radiation.
The retrieved literature clearly demonstrates active development and preclinical/clinical progress in using targeted agents like antibody-drug conjugates to eliminate hematopoietic stem cells as alternatives to toxic conventional conditioning, thus supporting the claim.
Jennifer Okalova, Trent H. Spencer, Shanmuganathan Chandrakasan. Next generation targeted non-genotoxic conditioning for hematopoietic stem cell and hematopoietic stem cell-based gene therapy. 2025. https://doi.org/10.3389/fimmu.2025.1653344
Paper [0] discusses how next-generation non-genotoxic or minimally toxic approaches, such as monoclonal antibodies and antibody-drug conjugates, are being developed to selectively target and eliminate hematopoietic stem cells while reducing the severe toxicities associated with conventional conditioning.
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Okalova J, Alexander JS, Patel SR, Branella GM, Barichello de Quevedo C, Baldwin WH, Prince C, Chandrakasan S, Brown HC, Doering CB, Spencer HT. Antimetabolites synergize with non-genotoxic antibody drug conjugate conditioning in hematopoietic stem cell lentiviral gene therapy.. 2026. https://doi.org/10.1016/j.omta.2026.201780
Paper [1] details the use of antibody-drug conjugates combined with antimetabolites as targeted, non-genotoxic conditioning strategies to deplete hematopoietic stem and progenitor cells effectively.
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