NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,360 terms related to cancer and medicine.

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Clolar
(KLOH-lar)
A drug used to treat acute lymphoblastic leukemia in children. It is used in patients whose cancer came back or did not get better after at least two other types of anticancer treatment. It is also being studied in the treatment of other types of cancer. Clolar blocks cells from making DNA and may kill cancer cells. It is a type of purine nucleoside analog. Also called clofarabine.