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Quantification of the radio-metabolites of the serotonin-1A receptor radioligand [carbonyl-11C]WAY-100635 in human plasma: an HPLC-assay which enables measurement of two patients in parallel.

TitleQuantification of the radio-metabolites of the serotonin-1A receptor radioligand [carbonyl-11C]WAY-100635 in human plasma: an HPLC-assay which enables measurement of two patients in parallel.
Publication TypeJournal Article
Year of Publication2012
AuthorsNics L, Hahn A, Zeilinger M, Vraka C, Ungersboeck J, Haeusler D, Hartmann S, Wagner K-H, Lanzenberger R, Wadsak W, Mitterhauser M
JournalApplied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine
Volume70
Issue12
Pagination2730-6
Date Published2012 Dec
Abstract

[Carbonyl-(11)C]WAY-100635 is a potent and effective antagonist for the 5-HT(1A) receptor subtype. We aimed to assess the status of [carbonyl-(11)C]WAY-100635 and its main radio-metabolites, [carbonyl-(11)C]desmethyl-WAY-100635 and [carbonyl-(11)C]cyclohexanecarboxylic acid, on the basis of an improved radio-HPLC method. Common methods were characterized by preparative HPLC columns with long runtimes and/or high flow rates. Considering the short half-life of C-11, we developed a more rapid and solvent saving HPLC assay, allowing a fast, efficient and reliable quantification of these major metabolites.
DOI10.1038/nmat3525
Alternate JournalAppl Radiat Isot

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