folinic acid

Definition / meaning of folinic acid

The active ingredient in a drug used to lessen the toxic effects of substances that block the action of folic acid, especially the anticancer drug methotrexate. Folinic acid is used to treat some types of anemia and is also used with fluorouracil to treat colorectal cancer. It is also being studied in the treatment of other types of cancer and other conditions. Folinic acid is a form of folic acid. It is a type of chemoprotective agent and a type of chemosensitizing agent. Also called leucovorin.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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