Indium In-111 Ibritumomab Tiuxetan

**Semantic type:** Amino Acid, Peptide, or Protein|Indicator, Reagent, or Diagnostic Aid|Pharmacologic Substance

**Definition:** A targeted radioimmunoconjugate composed of a murine monoclonal anti-CD20 antibody (ibritumomab) linked by a chelator (tiuxetan) to the imaging radioisotope indium-111. This radioimmunoconjugate binds to CD20-positive cells, permitting radioimmuno-localization of CD20-positive cell biodistribution.

**Synonyms:** - IDEC In2B8 - IDEC-In2B8 - INDIUM IN-111 IBRITUMOMAB TIUXETAN - In 111 Ibritumomab Tiuxetan - In 111 Zevalin - In 111 ibritumomab tiuxetan - indium In 111 ibritumomab tiuxetan