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NCI Dictionary of Cancer Terms

tositumomab and iodine I 131 tositumomab  listen  (TAH-sih-TOO-moh-mab ... I-oh-dine I 131 TAH-sih-TOO-moh-mab)

  A combination of drugs used to treat certain types of B-cell non-Hodgkin lymphoma. It is also being studied in the treatment of other types of cancer. Tositumomab and iodine I 131 tositumomab is made up of a monoclonal antibody called tositumomab and a form of tositumomab that is linked to a radioactive substance called iodine I 131. It is a type of radioimmunoconjugate. Also called Bexxar and Bexxar regimen.