Radioimmunotherapy is designed to deliver radiation directly to tumor cells. This can be done by using monoclonal antibodies that are linked to radio-isotopes.
Two of these are: Zevalin (Ibritumomab tiuxetan) and Bexxar (Tositumomab). These are infusions designed for the treatment of certain forms of Non-Hodgkins Lymphoma. They are approved by the FDA for single courses of therapy.
These therapies require pre-payment review.
Zevalin (radioimmunotherapy with ibritumomab tiuxetan) is considered medically necessary for the treatment of relapsed or refractory low-grade, follicular, or transformed B-cell non-Hodgkin`s lymphoma (NHL), when the patient meets the following criteria:
Bexxar ( radioimmunotherapy with tositumomab ) is considered medically necessary for treatment of CD20 positive, follicular, non-Hodgkin`s lymphoma, with and without transformation, which is refractory to rituximab and has relapsed following chemotherapy, when the patient meets the following criteria: