Prevalence of desloratadine poor metabolizer phenotype in healthy Jordanian males

作者: Nancy Hakooz , Isam I. Salem

DOI: 10.1002/BDD.1770

关键词: EndocrinologyCmaxDesloratadineLoratadineIncidence (epidemiology)MedicineDesloratadine Oral TabletPharmacokineticsPoor metabolizerInternal medicinePlasma concentration

摘要: Purpose To study the prevalence of desloratadine slow metabolizer phenotype among a group healthy Jordanian male volunteers. Methods A total 62 volunteers were included in this study. A single 5 mg oral tablet was given and blood samples taken to determine 3-hydroxydesloratadine (3-OH-desloratadine) concentrations using specific liquid chromatography-mass spectrometric method (LC/MS/MS). The determination pharmacokinetic parameters all individuals determined by Kinetica® program version 4.1. Poor metabolizers or as having 3-OH-desloratadine exposure ratio lower than 10% half-life ≥ 50 h. Results Among who participated there only two labeled metabolizers, giving 3.2%. maximum plasma (Cmax) similar extensive groups but longer time (tmax) needed achieve concentration one metabolizer. Conclusion The incidence poor population studied is certain ethnic (e.g. Asian, Caucasians Hispanic); however, it other populations American Indians Black). Copyright © 2012 John Wiley & Sons, Ltd.

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