111In-Zevalin
(... ZEH-vuh-lin)
A radiolabeled
monoclonal antibody used to find certain types of B-cell
non-Hodgkin lymphoma. It is also being studied in the
diagnosis of other types of B-cell tumors.
111In-Zevalin is made up of the
monoclonal antibody ibritumomab plus the radioisotope
indium In 111. It binds to a protein called CD20, which is
found on B cells. A machine is used to find which cells in
the body have taken up 111In-Zevalin.
111In-Zevalin is a type of
radioimmunoconjugate. Also called 111In-ibritumomab tiuxetan and indium In 111-ibritumomab tiuxetan.