tositumomab

(TAH-sih-TOO-moh-mab) A monoclonal antibody that is used in the treatment of certain types of non-Hodgkin lymphoma. When tositumomab and iodine I 131 tositumomab (a form of tositumomab that has been chemically changed by adding radioactive iodine) are given together, the combination is called the Bexxar regimen. Also called Bexxar regimen , iodine I 131 tositumomab , and tositumomab and iodine I 131 tositumomab.