NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,922 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

PN401
A drug used in the emergency treatment of patients who receive too much fluorouracil or capecitabine (types of anticancer drugs). It is also used in the emergency treatment of heart or central nervous system (CNS) toxicity or other serious side effects that occur within 4 days of ending treatment with fluorouracil or capecitabine. PN401 may help protect healthy cells from some of the side effects caused by certain anticancer drugs. It is a type of cytoprotective agent. Also called triacetyluridine, uridine triacetate, and Vistogard.