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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms

folic acid antagonist  listen  (FOH-lik A-sid an-TA-guh-nist)

  A type of drug that stops cells from using folic acid to make DNA and may kill cancer cells. Certain folic acid antagonists are used to treat some types of cancer and inflammatory conditions, such as rheumatoid arthritis. Also called antifolate and folate antagonist.