Tracers / [225Ac]Ac-FAPI-04

[225Ac]Ac-FAPI-04

Also written as FAPI-04; [Ac-225]Ac-FAPI-04
Radionuclide
Ac-225 t½ 14284.8 min
Modality
Therapy
Production route
Stage
preclinical
Syntheses indexed
1

What it is

Compound class
FAP inhibitor (FAPI)
Target / mechanism
Targets fibroblast activation protein (FAP) expressed on cancer-associated fibroblasts PMID 41599688
Clinical application
Theranostic pair
<a href="/tracers/ga68-fapi04/">ga68-fapi04</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
41599688
2026 Pharmaceuticals (Basel)

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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 41599688: 'α-emitting radiotracers (e.g., [225Ac]Ac-FAPI-04) demonstrate potent antitumor effects in preclinical models.'.