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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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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

In 18 month old mice that received the mRNA treatment before vaccination, the number of cytotoxic T cells targeting ovalbumin doubled compared with untreated mice of the same age.

From Science Daily Dec. 29, 2025

This subtype is cytotoxic, meaning it can destroy cells that enter or harm the body.

From Science Daily Dec. 15, 2025

Tumors actively prevent the formation of immune responses by so-called cytotoxic T cells, which are essential in combating cancer.

From Science Daily Apr. 24, 2024

Checkpoint inhibitor therapies, for example, aim to release the blockade of fully differentiated cytotoxic T cells and "switch them back on."

From Science Daily Apr. 24, 2024

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