Skip to main content
An official website of the United States government
Español
NIH Websites Are Changing
Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

treatment course

(TREET-ment kors)
A treatment plan made up of several cycles of treatment. For example, treatment given for one week followed by three weeks of rest (no treatment) is one treatment cycle. When a treatment cycle is repeated multiple times on a regular schedule, it makes up a treatment course. A treatment course can last for several months. Also called course of treatment.
Search NCI's Dictionary of Cancer Terms