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Dictionary of Cancer Terms

View in Spanish: Factor citrovórum

Citrovorum factor (sih-troh-VOR-um FAK-ter)
A drug used to lessen the toxic effects of substances that block the action of folic acid, especially the anticancer drug methotrexate. Citrovorum factor is used to treat some types of anemia and is also used together with fluorouracil to treat colorectal cancer. It is also being studied in the treatment of other types of cancer and other conditions. Citrovorum factor is a form of folic acid. It is a type of chemoprotective agent and a type of chemosensitizing agent. Also called calcium levoleucovorin, leucovorin calcium, and Wellcovorin.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.