Peptide library / Digestive & weight / Gallium Ga-68 dotatate
Gallium Ga-68 dotatate
A radioactive peptide used in PET scans to find neuroendocrine tumors.
Effects studied or claimed
What it is used or promoted for, and where each effect has actually been seen
- Locating neuroendocrine tumorsFDA approved
How it is thought to work
It binds somatostatin receptors on tumor cells and lights them up on a PET scan.
What the evidence shows
More sensitive than older octreotide scans and widely used to choose patients for Lutathera.
Safety and unknowns
Very low risk; a single diagnostic dose.
Regulatory status
FDA-approved as Netspot in 2016.
Regulatory status changes quickly. This entry was last reviewed on 27 October 2026. Confirm current status with the FDA before relying on it.
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General information, not medical advice. Do not buy or inject unregulated peptides.