Abstract
Radiocolloides are essential for the detection of metastatic lymph nodes in breast cancer. In this study [67Ga]Ga-phytate, as an long-lived alternative for [99mTc]Tc-radiocolloids was prepared. "Standard" labeling conditions for [67Ga]Ga-phytate preparation (95–100 °C, 30 min, 0.5 mg phytic acid, aqueous solutions) has been adopted (radiochemical purity: > 98 ± 2% ITLC, specific activity: 0.9–1.1 GBq/mmol). The complex is mainly cleared from the blood pool through the liver by hepatic system (> 90%) and a small percentage (< 7–8%) through the kidneys by renal excretion. Dosimetric simulations showed that the final radiopharmaceutical doses are safe for clinical administrations.
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Bayat, Z., Saeedzadeh, E., Vahidfar, N. et al. Preparation and validation of [67Ga]Ga-phytate kit and Monte Carlo dosimetry: an effort toward developing an impressive lymphoscintigraphy tracer. J Radioanal Nucl Chem 331, 691–700 (2022). https://doi.org/10.1007/s10967-021-08183-z
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DOI: https://doi.org/10.1007/s10967-021-08183-z