Assessment of radionuclidic impurities in 2-[18F]fluoro-2-deoxy-d-glucose ([18F]FDG) routine production. 2008

Mario Marengo, and Filippo Lodi, and Silvia Magi, and Gianfranco Cicoria, and Davide Pancaldi, and Stefano Boschi
Medical Physics Department, S. Orsola-Malpighi Hospital, Bologna, Italy. marengo@med.unibo.it

In this paper, radionuclidic impurities generated during the bombardment of [18 O]water in the routine production of 2-[18F]fluoro-2-deoxy-d-glucose ([18F]FDG) were studied. In order to assess such impurities and the efficacy of purification methods through the different steps of the synthesis, samples of the target filters, purification columns, [18 O]water recovered after the synthesis, and the final solution was collected and their activities measured and analyzed by means of a gamma-ray spectrometry system. The data demonstrated that purification methods adopted for the synthesis provide the [18F]FDG radionuclidically pure, as requested by the EU Pharmacopeia.

UI MeSH Term Description Entries
D010100 Oxygen An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration. Dioxygen,Oxygen-16,Oxygen 16
D013051 Spectrometry, Gamma Determination of the energy distribution of gamma rays emitted by nuclei. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Gamma Spectrophotometry,Gamma Spectrometry,Spectrophotometry, Gamma
D019275 Radiopharmaceuticals Compounds that are used in medicine as sources of radiation for radiotherapy and for diagnostic purposes. They have numerous uses in research and industry. (Martindale, The Extra Pharmacopoeia, 30th ed, p1161) Radiopharmaceutical
D019788 Fluorodeoxyglucose F18 The compound is given by intravenous injection to do POSITRON-EMISSION TOMOGRAPHY for the assessment of cerebral and myocardial glucose metabolism in various physiological or pathological states including stroke and myocardial ischemia. It is also employed for the detection of malignant tumors including those of the brain, liver, and thyroid gland. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1162) 18F Fluorodeoxyglucose,18FDG,2-Fluoro-2-deoxy-D-glucose,2-Fluoro-2-deoxyglucose,Fludeoxyglucose F 18,18F-FDG,Fluorine-18-fluorodeoxyglucose,Fluorodeoxyglucose F 18,2 Fluoro 2 deoxy D glucose,2 Fluoro 2 deoxyglucose,F 18, Fludeoxyglucose,F 18, Fluorodeoxyglucose,F18, Fluorodeoxyglucose,Fluorine 18 fluorodeoxyglucose,Fluorodeoxyglucose, 18F

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