Skip to main content
An official website of the United States government
Español
Government Funding Lapse
Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted.

The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.

Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

Clolar

(KLOH-lar)
A drug used to treat children and young adults aged 1 to 21 years with acute lymphoblastic leukemia. 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 stops cells from making DNA and may kill cancer cells. It is a type of antimetabolite. Also called clofarabine.
More Information
Search NCI's Dictionary of Cancer Terms