In 111 Satumomab Pendetide

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

**Definition:** An radioimmunoconjugate of the murine monoclonal antibody, Satumomab (MoAb B72.3), conjugated to the linker-chelator, glycyl-tyrosyl-(N,-diethylenetriaminepentaacetic acid)-lysine hydrochloride (GYK-DTPA-HCl; pendetide) labeled with indium 111 (In-111). Satumomab recognizes TAG-72, an antigen expressed by the majority of adenocarcinomas. In-111 Satumomab pendetide emits gamma radiation and X-Ray photons that can be captured by gamma camera allowing imaging of TAG-72 expressing tissues.

**Synonyms:** - INDIUM IN-111 SATUMOMAB PENDETIDE - Indium In 111 Satumomab Pendetide - Indium In-11 CYT-103 - OncoScint CR/OV