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Rituxan (rih-TUK-sun)

 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. Rituxan binds to the protein called CD20, which is found on B-cells, and may kill cancer cells. Also called rituximab.



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