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Titel: Perimortem Distribution of U-47700, Tramadol and Their Main Metabolites in Pigs Following Intravenous Administration
VerfasserIn: Nordmeier, Frederike
Doerr, Adrian A.
Potente, Stefan
Walle, Nadja
Laschke, Matthias W.
Menger, Michael D.
Schmidt, Peter H.
Meyer, Markus R.
Schaefer, Nadine
Sprache: Englisch
Titel: Journal of Analytical Toxicology
Bandnummer: 46 (2022)
Heft: 5
Seiten: 479-486
Verlag/Plattform: Oxford University Press
Erscheinungsjahr: 2021
DDC-Sachgruppe: 610 Medizin, Gesundheit
Dokumenttyp: Journalartikel / Zeitschriftenartikel
Abstract: In spite of a decreasing number of new releases, new synthetic opioids (NSOs) are gaining increasing importance in postmortem (PM) forensic toxicology. For the interpretation of analytical results, toxicokinetic (TK) data, e.g., on tissue distribution, are helpful. Concerning NSOs, such data are usually not available due to the lack of controlled human studies. Hence, a controlled TK study using pigs was carried out, and the tissue distribution of U-47700 and tramadol as reference was examined. Twelve pigs received an intravenous dose of 100 µg/kg body weight (BW) U-47700 or 1,000 µg/kg BW tramadol. Eight hours after administration, the animals were put to death with T61. Relevant organs, body fluids and tissues were sampled. After homogenization and solid-phase extraction, quantification was performed applying standard addition and liquid chromatography–tandem mass spectrometry. At the time of death, the two parent compounds were determined in all analyzed specimens. Regarding U-47700, concentrations were highest in duodenum content, bile fluid and adipose tissue (AT). Concerning tramadol, next to bile fluid and duodenum content, highest concentrations were determined in the lung. Regarding the metabolites, N-desmethyl-U-47700 and O-desmethyltramadol (ODT) were detected in all analyzed specimens except for AT (ODT). Higher metabolite concentrations were found in specimens involved in metabolism. N-desmethyl-U-47700 showed much higher concentrations in routinely analyzed organs (lung, liver and kidney) than U-47700. To conclude, besides the routinely analyzed specimens in PM toxicology such as blood, urine or standard specimens like kidney or liver, AT, bile fluid and duodenum content could serve as alternative matrices. In case of U-47700, quantification of the main metabolite N-desmethyl-U-47700 is highly recommendable.
DOI der Erstveröffentlichung: 10.1093/jat/bkab044
URL der Erstveröffentlichung: https://doi.org/10.1093/jat/bkab044
Link zu diesem Datensatz: urn:nbn:de:bsz:291--ds-440623
hdl:20.500.11880/39419
http://dx.doi.org/10.22028/D291-44062
ISSN: 1945-2403
0146-4760
Datum des Eintrags: 21-Jan-2025
Bezeichnung des in Beziehung stehenden Objekts: Supplementary data
In Beziehung stehendes Objekt: https://oup.silverchair-cdn.com/oup/backfile/Content_public/Journal/jat/46/5/10.1093_jat_bkab044/1/bkab044_supp.zip?Expires=1740472435&Signature=pJ5OgOle-KOHDOevEDEiISbbz0y7ZAEbJn-ZFIg-~DLNkEcM6YVhtZTtQPYLEaCMSqZGjVloaXW31h4KPBt4Rt3g246nmEl6X6SHMe~-lNaN-1olY1VCb6C6nUB8X~KSBi7dlDybO8B15vabmjdHEsmDcRgtb0NA1O5DvJq9SByDtT-7JR3AULQKWjlfXjv6Cni06DEj3~iGgC0M~iH5Je6WmCTW6-wGxT4wOOpK1yY84ZGL-JpYy2zx9K5VwZLnx1pvs5ptJ7o6IVmLVBFBPQV8NfmB7forWoMD3XmpZH-Y7vIi-9c0pwICFyFyO~kx~iYJ~EwmicJ3c2AMB1WFvQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA
Fakultät: M - Medizinische Fakultät
Fachrichtung: M - Chirurgie
M - Experimentelle und Klinische Pharmakologie und Toxikologie
M - Rechtsmedizin
Professur: M - Prof. Dr. Michael D. Menger
M - Prof. Dr. Markus Meyer
M - Prof. Dr. Peter Schmidt
Sammlung:SciDok - Der Wissenschaftsserver der Universität des Saarlandes

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