NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,992 terms related to cancer and medicine.
- listen (floo-DAR-uh-been)
The active ingredient in a drug used to treat B-cell chronic lymphocytic leukemia (CLL) that has not responded to treatment with other anticancer drugs or that has gotten worse. Fludarabine blocks cells from making DNA and may kill cancer cells. It is a type of purine antagonist and a type of ribonucleotide reductase inhibitor.