Enantiomer specific pharmacokinetics

GT Tucker, MS Lennard - Pharmacology & therapeutics, 1990 - Elsevier
Following an impassioned plea from Professor EJ Ariens to curtail the proliferation of'sophisticated
nonsense in pharmacokinetics and clinical pharmacology'arising from the neglect of …

A critical evaluation of the experimental design of studies of mechanism based enzyme inhibition, with implications for in vitro-in vivo extrapolation

…, JC Bloomer, SE Clarke, MS Lennard… - Current drug …, 2006 - ingentaconnect.com
The published literature on mechanism based inhibition (MBI) of CYPs was evaluated with
respect to experimental design, methodology and data analysis. Significant variation was …

The effect of selective serotonin re‐uptake inhibitors on cytochrome P4502D6 (CYP2D6) activity in human liver microsomes.

HK Crewe, MS Lennard, GT Tucker… - British journal of …, 1992 - Wiley Online Library
Inhibition of human cytochrome P4502D6 (CYP2D6)‐catalysed metabolism can lead to
clinically significant alterations in pharmacokinetics. Since there is evidence that the selective …

The generation, detection, and effects of reactive drug metabolites

…, J Farrell, DJ Naisbitt, MS Lennard - Medicinal research …, 2013 - Wiley Online Library
MS/MS) detection. The neutral loss scanning technique that can be performed using LC-MS/MS
Additionally, other MS/MS scanning algorithms can be employed to detect GSH adducts (…

Metabolism of tamoxifen by recombinant human cytochrome P450 enzymes: formation of the 4-hydroxy, 4′-hydroxy andN-desmethyl metabolites and isomerization …

HK Crewe, LM Notley, RM Wunsch, MS Lennard… - Drug metabolism and …, 2002 - ASPET
The cytochrome P450 (P450)-mediated biotransformation of tamoxifen is important in
determining both the clearance of the drug and its conversion to the active metabolite,trans-4-…

Influence of dose, cigarette smoking, age, sex, and metabolic activity on plasma clozapine concentrations: a predictive model and nomograms to aid clozapine dose …

…, AM Amin, EP Spencer, MS Lennard… - Journal of clinical …, 2004 - journals.lww.com
… PhD † ; Lennard, Martin S. PhD * ; Tucker, Geoffrey T. PhD * ; Flanagan, Robert J. …
Demographic and drug dosage information was entered into a Microsoft Access database …

Oxidation phenotype—a major determinant of metoprolol metabolism and response

MS Lennard, JH Silas, S Freestone… - … England Journal of …, 1982 - Mass Medical Soc
GENETIC polymorphism in the oxidative metabolism of debrisoquine 1 is largely responsible
for individual differences in its plasma concentration and antihypertensive effect. Poor …

Variable contribution of cytochromes P450 2D6, 2C9 and 3A4 to the 4-hydroxylation of tamoxifen by human liver microsomes

HK Crewe, SW Ellis, MS Lennard, GT Tucker - Biochemical pharmacology, 1997 - Elsevier
4-Hydroxylation is an important pathway of tamoxifen metabolism because the product of this
reaction is intrinsically 100 times more potent as an oestrogen receptor antagonist than is …

Oxidation of methamphetamine and methylenedioxymethamphetamine by CYP2D6

…, DA Schmitz, L Hsu, SW Ellis, MS Lennard… - Drug Metabolism and …, 1997 - ASPET
Methamphetamine (MeAmp) abuse has recently experienced a resurgence and approaches
to the treatment of its addiction similar to those used with cocaine have been considered. …

The demethylenation of methylenedioxymethamphetamine (“ecstasy”) by debrisoquine hydroxylase (CYP2D6)

GT Tucker, MS Lennard, SW Ellis, HF Woods… - Biochemical …, 1994 - Elsevier
The metabolism of methylenedioxymethamphetamine (MDMA, “ecstasy”) was examined in
a microsomal preparation of the yeast Saccharomyces cerevisiae expressing human …