NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,847 terms related to cancer and medicine.
Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.
- listen (rih-TUK-sun)
A drug used to treat certain types of B-cell non-Hodgkin lymphoma. It is also used with other drugs to treat chronic lymphocytic leukemia and rheumatoid arthritis. It is being studied in the treatment of other types of cancer and other conditions. Rituxan binds to a protein called CD20, which is found on B-cells, and may kill cancer cells. It is a type of monoclonal antibody. Also called rituximab.