NCIt definition : A murine IgG2 monoclonal antibody directed against the CD20 antigen, found on the
surface of B-cells. Tositumomab binds to the CD20 surface membrane antigen, resulting
in apoptosis, and may stimulate antitumoral cell-mediated and/or antibody-dependent
cytotoxicity. (NCI04);
Alternative definition : NCI-GLOSS: 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.;
https://pgtmsite.files.wordpress.com/2024/01/ibritumomab_tositumomab_pgtm_20060209.pdf 2006 Canada drug information Tositumomab and Iodine I 131 Tositumomab Iodine I 131 Tositumomab Tositumomab lymphoma, Non-Hodgkin Iodine I 131 Tositumomab