Tracers / [225Ac]Ac-DOTA-CCK-66

[225Ac]Ac-DOTA-CCK-66

Also written as [Ac-225]Ac-DOTA-CCK-66
Radionuclide
Ac-225 t½ 14284.8 min
Modality
Therapy
Production route
Stage
preclinical study
Syntheses indexed
1

What it is

Compound class
DOTA-conjugated minigastrin analog (peptide)
Target / mechanism
Cholecystokinin-2 (CCK2)/gastrin receptor targeting minigastrin analog PMID 39392495
Clinical application
Targeted alpha therapy (TAT) for medullary thyroid carcinoma (MTC) PMID 39392495
Theranostic pair
<a href="/tracers/ga68-dotacck66/">ga68-dotacck66</a>

Regulatory status

FDA
EMA (centralised)
Other approvals
Brand names

Clinical use

Typical injected activity
Uptake time

Reported in the literature. Not a dosing recommendation.

Published syntheses

ModuleCassettePurificationYield %RCP %Precursor / supplierSource
Manual synthesisnone>99%
no
>95%DOTA-CCK-6639392495
2025 Eur J Nucl Med Mol Imaging
225Ac-labeling of the peptide precursor was performed manually — resulting in quantitative radiochemical yields (RCYs, > 99%, non-decay corrected)

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Notes

Added at stage 21 from therapy-discovered.xlsx (bulk PubMed search by isotope/therapy-type/known-agent, not individually researched yet) -- 1 articles found. Target/mechanism, clinical application, indications, approval and precursor fields still need per-agent research and are intentionally left empty. Diagnostic pair signal at discovery: YES - Ga-68. Stage set/updated at stage 23 from PMID 39392495: 'Preclinical evaluation of 225Ac-labeled minigastrin analog DOTA-CCK-66 for Targeted Alpha Therapy.'.