Article
LC-MS/MS analysis of dextromethorphan metabolism in human saliva and urine to determine CYP2D6 phenotype and individual variability in N-demethylation and glucuronidation.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences - 25 Dec 2004
Lutz Ursula, Völkel Wolfgang, Lutz Roman W, Lutz Werner K
Abstract excerpt
In order to establish a fast screening method for the determination of the CYP2D6 metabolic phenotype a sensitive LC-MS/MS assay to quantify dextromethorphan (DEX) and its O-demethylated metabolite dextrorphan (DOR) in human saliva was developed with limits of quantitation of 1 pmol/ml. Saliva was provided by 170 medical students 2h after oral ingestion of 30 mg (81 micromol) dextromethorphan hydrobromide....
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