Tracers / [68Ga]Ga-citrate

[68Ga]Ga-citrate

Also written as [68Ga]Ga-Citrate; [Ga-68]Ga-Citrate; Citrate; Ga-68 Citrate; Ga-68-Citrate
Radionuclide
Ga-68 t½ 67.71 min
Modality
PET
Production route
Stage
Syntheses indexed
6

What it is

Compound class
Gallium-68 citrate complex (small molecule metal-ion radiopharmaceutical)
Target / mechanism
Clinical application
PET imaging of inflammation/infection of musculoskeletal, gastrointestinal, respiratory, and cardiovascular systems PMID 35164258
Theranostic pair

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
miniAllinOne
Trasis
custom manifoldSPE95.8 ± 0.8%
yes
>99%sodium citrate solution (136 mM)35164258
2022 Molecules
miniAllInOne® (Trasis) — with a radiochemical yield of 95.8 ± 0.8 % (n= 32) decay corrected to the SOE (start of elution)
iMiDEV
PMB-Alcen
vendor cassetteSPE90.1 ± 3.1%
yes
98.7 ± 1.2%sodium citrate solution (136 mM)35164258
2022 Molecules
iMiDEV™ (PMB-Alcen) — [68Ga]Ga-citrate on the R1 was obtained in 90.1 ± 3.1% yield when filled with PS-H+ cation exchanger
23522791
2013 Appl Radiat Isot
HPLC>98%32316906
2021 Curr Radiopharm
using the Scintomics automated synthesis system (Scintomics GmbH GRP module 4V) — The labelling efficiency was found to be >98%.
greater than 99%23764941
2013 Nucl Med Commun
A commercially available synthesis module was used to perform 10 syntheses — an average yield of 768 ± 31 MBq (mean ± SD) within 10 min
64.1+/-6.0%higher than 98%19424101
2009 Nucl Med Commun
using a commercial 68Ga-labelling module — the radiochemical yield was 64.1+/-6.0% (mean+/-standard deviation)

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Quality control Preliminary — inferred from compound class

Ph. Eur. monograph
USP monograph
AppearancepHRCP HPLCHPLC cond.Radionuclidic (HPGe)Half-lifeActivityEndotoxins (LAL)SterilityFilter integrityMetal impuritiesGe-68 breakthrough
How this set was arrived at. base set per Ph. Eur. general monograph 0125 (rule); radiometal tracer -> metal impurities (rule); Ga-68, generator production assumed (no synthesis data found) -> Ge-68 breakthrough (preliminary); weak UV chromophore (sugar/simple ion/short-chain acid) -> conductometric detection (rule)

Tests listed by reference only. Monograph texts are copyrighted and are not reproduced here. How these are derived

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Notes

Added from reverse module search (stage 6); 4 article(s) with Ga-68. Compound class inferred from precursor name (not stated outright) -- PMID 35164258: 'the 136 mM sodium citrate solution in NaCl 0.9%'.