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Abstract
In Masaryk Memorial Cancer Institute (MMCI), there is a long-running intensive joint effort of the RECAMO project and commercial entities, involving mainly clinical evaluations of state-of-the-art PET radiopharmaceuticals leading to their future availability for Czech physicians and their patients. Recently, the PET tracers [11C]methionine and [18F]fluorocholine, among others, were developed in this cooperation, both of them tracers with high importance for oncologic positron emission tomography diagnostics. [11C]methionine, labeled by carbon-11 with a half-life of 20 min, is a proteosynthesis marker used primarily for brain tumor visualization, whereas [18F]fluorocholine, labeled by fluorine-18 with a half-life of 109 min, is a marker of synthesis of cellular membranes and cell proliferation, its primary use being PET diagnostics of prostate carcinoma.The results of clinical evaluations of both PET radiopharmaceuticals, performed on the basis of parameters agreed and approved beforehand in cooperation of MMCI, RECAMO and the manufacturer of said radiopharmaceuticals, aimed to prove the efficiency and suitability of both compounds for oncologic PET diagnostics for said tumors. In both cases, the radiopharmaceuticals were evaluated in regard to their major use.The obtained results prove the benefits and efficiency of both compounds in PET diagnostics of respective tumors. The results, in the form of clinical evaluation reports, will be used as part of the documentation required for marketing authorization of these compounds for use in the Czech Republic.Key words: positron emission tomography - radiopharmaceuticals - L-methyl-11C-methionine - 18F-fluorocholineThis work was supported by the project MEYS - NPS I - LO1413.The authors declare they have no potential conflicts of interest concerning drugs, products, or services used in the study.The Editorial Board declares that the manuscript met the ICMJE recommendation for biomedical papers.Submitted: 10. 6. 2016Accepted: 17. 6. 2016.
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