IDEC-Y2B8. Definition

Medical Definition: IDEC-Y2B8

Radiolabeled monoclonal antibody used to treat certain types of NHL B cells and is being studied for treating other types of B-cell tumors It consists of the monoclonal antibody ibritumomab plus the radioisotope yttrium Y 90. It binds to CD20 found on B cells The radiation in the yttrium Y 90 may kill cancer cells. IDEC-Y2B8 is a type of radiopharmaceutical. Also called yttrium Y 90 ibritumomab tiuxetan, Y 90 ibritumomab tiuxetan, and Y 90 Zevalin.

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