نتایج جستجو برای: N-desmethylmirtazapine
تعداد نتایج: 976475 فیلتر نتایج به سال:
The fungus Cunninghamella elegans was used as a microbial model of mammalian metabolism to biotransform the tetracyclic antidepressant drug mirtazapine, which is manufactured as a racemic mixture of R(-)- and S(+)-enantiomers. In 168 h, C. elegans transformed 91% of the drug into the following seven metabolites: 8-hydroxymirtazapine, N-desmethyl-8-hydroxymirtazapine, N-desmethylmirtazapine, 13-...
AIMS To investigate the transfer of mirtazapine and desmethylmirtazapine into milk and to calculate dose to the infant via milk. METHODS Plasma and milk samples were obtained from eight breast-feeding women who were taking a median dose of 38 mg mirtazapine per day. Milk/plasma ratio (M/P) and infant doses were estimated by standard methods. The infants were examined clinically and in four in...
A rapid and sensitive HPLC method has been developed for the quantification of mirtazapine (MRZ), a noradrenergic and specific serotonergic inhibitor antidepressant (NaSSA) and its two major metabolites N-desmethylmirtazapine (NDM) and 8-hydroxymirtazapine (8-OHM) in human plasma. The separation was achieved using Chromolith C18 column and a mobile phase of acetonitrile: phosphate buffer (pH=3,...
a rapid and sensitive hplc method has been developed for the quantification of mirtazapine (mrz), a noradrenergic and specific serotonergic inhibitor antidepressant (nassa) and its two major metabolites n-desmethylmirtazapine (ndm) and 8-hydroxymirtazapine (8-ohm) in human plasma. the separation was achieved using chromolith c18 column and a mobile phase of acetonitrile: phosphate buffer (ph=3,...
A rapid and sensitive HPLC method has been developed for the quantification of mirtazapine (MRZ), a noradrenergic and specific serotonergic inhibitor antidepressant (NaSSA) and its two major metabolites N-desmethylmirtazapine (NDM) and 8-hydroxymirtazapine (8-OHM) in human plasma. The separation was achieved using Chromolith C18 column and a mobile phase of acetonitrile: phosphate buffer (pH=3,...
The metabolism of the antidepressant mirtazapine (MIR) was investigated in vitro using human liver microsomes (HLM) and recombinant enzymes. Mean K(m) values (+/-S.D., n = 4) were 136 (+/-44) microM for MIR-hydroxylation, 242 (+/-34) microM for N-demethylation, and 570 (+/-281) microM for N-oxidation in HLM. Based on the K(m) and V(max) values, MIR-8-hydroxylation, N-demethylation, and N-oxidat...
Determination of mirtazapine during psychopharmacotherapy in biological fluids is essential to achieve successful therapy, to avoid toxicity related to drug interactions, genetic variability and poor compliance. A new, rapid and sensitive high-performance liquid chromatography method has been developed in human plasma for the determination of mirtazapine (MRP) and N-desmethylmirtazapine (NDM) t...
Determination of mirtazapine during psychopharmacotherapy in biological fluids is essential to achieve successful therapy, to avoid toxicity related to drug interactions, genetic variability and poor compliance. A new, rapid and sensitive high-performance liquid chromatography method has been developed in human plasma for the determination of mirtazapine (MRP) and N-desmethylmirtazapine (NDM) t...
Objectives: Venlafaxine is metabolized by CYP2D6 to O-desmethylvenlafaxine (ODV) and by CYP3A4 to N-desmethylvenlafaxine (NDV). CYP2C19 is also involved in the formation of ODV. The PPIs omeprazole and pantoprazole inhibit CYP2C19 to a different extent. Aim of this study was to investigate the potential effects of both PPIs on serum levels of VEN and ODV. Methods: From a therapeutic drug monito...
Objectives: Venlafaxine is metabolized by CYP2D6 to O-desmethylvenlafaxine (ODV) and by CYP3A4 to N-desmethylvenlafaxine (NDV). CYP2C19 is also involved in the formation of ODV. The PPIs omeprazole and pantoprazole inhibit CYP2C19 to a different extent. Aim of this study was to investigate the potential effects of both PPIs on serum levels of VEN and ODV. Methods: From a therapeutic drug monito...
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