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Dictionary of Cancer Terms

View in Spanish: Rituximab

Rituximab (rih-TUK-sih-mab)
A monoclonal antibody used to treat certain types of B-cell non-Hodgkin lymphoma and symptoms of rheumatoid arthritis. Monoclonal antibodies are made in the laboratory and can bind to substances in the body, including cancer cells. Rituximab binds to the protein called CD20, which is found on B-cells, and may kill cancer cells. Also called Rituxan.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.