indium In 111-ibritumomab tiuxetan
(IN-dee-um … ih-brih-TOO-moh-mab ty-UK-seh-tan)
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.
Indium In 111-ibritumomab tiuxetan 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 indium In 111-ibritumomab tiuxetan.
Indium In 111-ibritumomab tiuxetan is a type of
radioimmunoconjugate. Also called 111In-ibritumomab tiuxetan and 111In-Zevalin.