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Erythrocyte depletion lifts nanoparticle half-lives

The partial depletion of red blood cells via the administration of a low dose of anti-erythrocyte antibodies increases the circulation half-life of nanomedicines, as shown in rodent models of cancer.

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Fig. 1: The depletion of RBCs via a small dose of anti-erythrocyte antibody that partially blocks the MPS extends the bioavailability of intravenously injected nanoparticles.


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Correspondence to Horacio Cabral or Kazunori Kataoka.

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Competing interests

K.K. is scientific advisor of NanoCarrier. The remaining author declares no competing interests.

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Cabral, H., Kataoka, K. Erythrocyte depletion lifts nanoparticle half-lives. Nat Biomed Eng 4, 670–671 (2020).

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