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.

superfractionated radiation therapy

(SOO-per FRAK-shuh-NAY-ted RAY-dee-AY-shun THAYR-uh-pee)
Radiation treatment in which the total dose of radiation is divided into small doses and treatments are given more than once a day. Superfractionated radiation therapy is given over the same period of time (days or weeks) as standard radiation therapy. Also called hyperfractionated radiation therapy.
Search NCI's Dictionary of Cancer Terms