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cytotoxic

British  
/ ˌsaɪtəʊtɒkˈsɪsɪtɪ, ˌsaɪtəʊˈtɒksɪk /

adjective

  1. poisonous to living cells: denoting certain drugs used in the treatment of leukaemia and other cancers

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Example Sentences

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The drug, daraxonrasib, showed improvements in survival and success compared with standard-of-care cytotoxic chemotherapy in patients with metastatic pancreatic ductal adenocarcinoma who had been previously treated.

From Barron's • Apr. 13, 2026

NETs are produced through a specialised form of innate immune response known as NETosis, whereby neutrophils expel their DNA to form filamentous structures embedded with cytotoxic enzymes capable of rapidly trapping and neutralizing pathogens.

From Science Daily • Nov. 13, 2025

The fading-down process works as follows: Specific antibodies coupled to a cytotoxic drug recognize all blood cells in the patient's body based on a surface structure.

From Science Daily • May 22, 2024

"These findings have important implications for cancer immunotherapy in general, as they identify a novel and eminently targetable checkpoint against the function of infiltrating cytotoxic T cells in the tumor microenvironment," said Coukos.

From Science Daily • Apr. 24, 2024

If the immune response is successful, they multiply in the tumor and develop into cytotoxic T cells that attack the cancer.

From Science Daily • Apr. 24, 2024

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