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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 team also examined cytotoxic granules, which are responsible for killing target cells, with unprecedented clarity.

From Science Daily • Apr. 30, 2026

Their findings, published in Cell Reports, shed new light on how the internal organization of cytotoxic T cells supports their function and could advance research in immuno-oncology.

From Science Daily • Apr. 30, 2026

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

Single-cell analyses show an unusual expansion of cytotoxic CD4+ T cells that behave more like CD8+ immune cells.

From Science Daily • Jan. 8, 2026

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

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