NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,780 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.

Nipent
(NY-pent)
The active ingredient in a drug that is used to treat hairy cell leukemia and is being studied in the treatment of other types of cancer. Nipent blocks a protein needed for cell growth and may kill cancer cells. It is made by a bacterium. It is a type of adenosine deaminase inhibitor. Also called pentostatin.