Tumor associated glycoprotein (TAG) 72 (B72.3) monoclonal antibody conjugated with Indium 111 for radioimaging colon tumors. Satumomab Pendetide (trade name: OncoScint®) is no longer commercially available.
- Mechanism
- Curator reviewed
Satumomab Pendetide is a monoclonal antibody which is attached to the chelator pentetic acid (DTPA) linked to the tripeptide glycine (G) – L-tyrosine (Y) – L-lysine (K), which chelates Indium 111. Satumomab pendetide binds selectively to cell-surface TAG-72 expressed on colorectal tumors.
- Primary indication
- For diagnosis of extrahepatic malignant cancersCurator reviewed
- Formula / weight
- C6268H9708N1666O1971S48 · 141478.9 Da
- Also known as
- Indium (111In) satumomab pendetide · Indium In 111 satumomab pendetide · Indium-111 satumomab pendetide
- Code names
- CYT-099 · CYT-103
Resolves to
What you can answer from here — as of July 17, 2026
Which companies are running trials of Indium In-111 satumomab pendetide, in which indications and phases, and which of those programs are still active?
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