Morphine and morphine-glucuronide concentrations in plasma and CSF during long-term administration of oral morphine.

abstract：AIM:To assess the relative contribution of intestinal and hepatic CYP3A inhibition to the interaction between the prototypic CYP3A substrate midazolam and clarithromycin in the elderly. METHODS:On day 1, 16 volunteers (eight male, eight female) aged 65-75 years weighing 59-112 kg received simultaneous doses of midazol...

journal_title：British journal of clinical pharmacology

authors： Quinney SK,Haehner BD,Rhoades MB,Lin Z,Gorski JC,Hall SD

更新日期：2008-01-01 00:00:00

abstract：:The effects of epanolol (200 mg once daily) and diltiazem (60 mg three times daily) on the response of atrial natriuretic peptide (ANP) to exercise were investigated in a double-blind placebo-controlled crossover study in 16 patients with angina pectoris. Exercise tolerance as assessed by peak oxygen consumption was s...

journal_title：British journal of clinical pharmacology

authors： Riley M,Elborn JS,Onuoha G,Erwin C,Shaw C,Khan MM,Stanford CF,Nicholls DP

更新日期：1993-02-01 00:00:00

abstract：:WHAT IS ALREADY KNOWN ABOUT THIS SUBJECT * Dihydropyrimidine dehydrogenase (DPD) is the enzyme responsible for the elimination of approximately 80% of the administered dose of 5-fluorouracil (5-FU). * Mutations in the DPD-coding gene have been shown to increase the risk of severe toxicity in 5-FU treated patients. * T...

journal_title：British journal of clinical pharmacology

authors： Paré L,Paez D,Salazar J,Del Rio E,Tizzano E,Marcuello E,Baiget M

更新日期：2010-08-01 00:00:00

abstract：:1. We have measured [3H]-ouabain binding to lymphocyte membranes in eight healthy volunteers before and after they had taken lithium carbonate for 14 days in doses which maintained the serum lithium concentration in the range 0.5-1.0 mmol 1-1. 2. There was a statistically significant increase in the [3H]-ouabain bindi...

journal_title：British journal of clinical pharmacology

authors： Antia IJ,Dorkins CE,Wood AJ,Aronson JK

更新日期：1992-12-01 00:00:00

abstract：AIMS:The Transdermal Delivery System (TDS) is a liquid formulation that can be applied to the skin via a metered pump spray to deliver drug to the systemic circulation. The aims of this study were to assess the ability of the TDS preparation to deliver testosterone systemically, and to characterize the pharmacokinetic ...

journal_title：British journal of clinical pharmacology

authors： Chik Z,Johnston A,Tucker AT,Chew SL,Michaels L,Alam CA

更新日期：2006-03-01 00:00:00

abstract：:1 The inotropic effect of penbutolol, a new beta-adrenergic receptor blocking drug, has been compared with that of propranolol in two similar groups of six subjects each. 2 Inotropic changes were assessed from changes in myocardial contractility index [LV dp-dt/11 T] as well as the slope of the regression line relatin...

journal_title：British journal of clinical pharmacology

authors： Sapru RP,Sharma PL

更新日期：1978-12-01 00:00:00

abstract：:1. Nitric oxide is recognised as an important biological mediator, which is thought to be involved in cardiovascular homeostasis. The purpose of this study was to investigate the effects of basal nitric oxide synthesis on cardiac function in man, by blocking nitric oxide synthesis with NG-monomethyl-L-arginine (L-NMMA...

journal_title：British journal of clinical pharmacology

authors： Clarkson PB,Lim PO,MacDonald TM

更新日期：1995-10-01 00:00:00

abstract：:The steady-state pharmacokinetic interaction between nefazodone and cimetidine was evaluated in a three-period crossover study consisting of three treatments of 1 week duration with a 1 week washout between treatments. The 18 healthy, male study subjects received: nefazodone hydrochloride 200 mg twice daily (every 12 ...

journal_title：British journal of clinical pharmacology

authors： Barbhaiya RH,Shukla UA,Greene DS

更新日期：1995-08-01 00:00:00

abstract：:1. The localisation and distribution of cytochrome P-450 in human tissues has been studied by immunocytochemistry using a monoclonal antibody to a major form of human hepatic cytochrome P-450, P-450hA7, which is closely related to cytochromes P-450 HLp and P-450NF. 2. Strong immunoreactivity was identified in hepatocy...

journal_title：British journal of clinical pharmacology

authors： Murray GI,Barnes TS,Sewell HF,Ewen SW,Melvin WT,Burke MD

更新日期：1988-04-01 00:00:00

abstract：:A new osmotic drug delivery system (Oros) has been evaluated in multiple-dose studies in young healthy volunteers as a sustained-release vehicle for once-daily administration of oxprenolol. Two Oros systems were examined in two separate studies, one containing 170 mg oxprenolol succinate with an initial zero-order rel...

journal_title：British journal of clinical pharmacology

authors： Woods KL,Jack DB,Kendall MJ,Halsey A,O'Donnell ML,Warrington SJ,John VA

更新日期：1985-01-01 00:00:00

abstract：AIMS:Previous pharmacokinetic characterization of a transporter probe cocktail containing digoxin (P-gp), furosemide (OAT1, OAT3), metformin (OCT2, MATE1, MATE2-K) and rosuvastatin (OATP1B1, OATP1B3, BCRP) in healthy subjects showed increases in rosuvastatin systemic exposure compared to rosuvastatin alone. In this tri...

journal_title：British journal of clinical pharmacology

authors： Stopfer P,Giessmann T,Hohl K,Hutzel S,Schmidt S,Gansser D,Ishiguro N,Taub ME,Sharma A,Ebner T,Müller F

更新日期：2018-09-01 00:00:00

abstract：:The safety of trial subjects is the tenet that guides the regulatory assessment of a Clinical Trial Authorization application and applies equally to trials involving small molecules and those with biological/biotechnological products, including Advanced Therapy Medicinal Products. The objective of a regulator is to en...

journal_title：British journal of clinical pharmacology

authors： Jones DR,McBlane JW,McNaughton G,Rajakumaraswamy N,Wydenbach K

更新日期：2013-08-01 00:00:00

abstract：AIM:To investigate the safety, tolerability, pharmacokinetics and pharmacodynamics of the highly selective oral p38alpha/beta mitogen-activated protein (MAP) kinase inhibitor Org 48,775-0 in a first-in-human study. METHODS:In the single ascending dosing (SAD) study, an oral dose of Org 48,775-0 (0.3-600 mg) was evalua...

journal_title：British journal of clinical pharmacology

authors： Moerland M,Kales AJ,Broekhuizen K,Nässander U,Nelissen R,de Kam ML,Peeters PAM,Burggraaf J

更新日期：2020-11-17 00:00:00

abstract：:1 The effect of an intravenous bolus of labetalol (0.6--1.6 mg/kg body weight) on central and peripheral haemodynamics was studied in nine subjects with essential hypertension and in eleven subjects with chronic renal disease and hypertension. 2 The BP reduction amounting to 20/13 mmHg was entirely due to the lowering...

journal_title：British journal of clinical pharmacology

authors： Bahlmann J,Brod J,Hubrich W,Cachovan M,Pretschner P

更新日期：1979-01-01 00:00:00

abstract：:The effect of fatty degeneration of liver parenchyma on drug metabolism was investigated in 21 obese non-insulin-dependent diabetic subjects by measuring plasma antipyrine kinetics, hepatic cytochrome P-450, liver size and the extent of fatty infiltration. The hepatic drug metabolising capacity, as measured by total a...

journal_title：British journal of clinical pharmacology

authors： Pirttiaho HI,Salmela PI,Sotaniemi EA,Pelkonen RO,Pitkänen U,Luoma PV

更新日期：1984-12-01 00:00:00

abstract：AIMS:To estimate the rates of common adverse events in patients treated with the proton pump inhibitors omeprazole, lansoprazole and pantoprazole in general practice in England. METHODS:In prescription-event monitoring cohort studies, data on dispensed prescriptions prescribed by general practitioners in England soon ...

journal_title：British journal of clinical pharmacology

authors： Martin RM,Dunn NR,Freemantle S,Shakir S

更新日期：2000-10-01 00:00:00

abstract：:1. The cardiovascular responses to handgrip exercise have been studied in ten patients with uncomplicated essential hypertension in a randomized crossover study of propranolol and prazosin. 2. Isometric handgrip exercise was performed with a calibrated strain gauge dynamometer at 30% of maximum voluntary contraction f...

journal_title：British journal of clinical pharmacology

authors： Reuben SR,Gale EV,Blake P

更新日期：1979-10-01 00:00:00

abstract：AIM:The combination of ephedrine and caffeine has been used in herbal products for weight loss and athletic performance-enhancement, but the pharmacokinetic profiles of these compounds have not been well characterized. This study aimed to develop a mechanistic model describing ephedrine, norephedrine, and caffeine phar...

journal_title：British journal of clinical pharmacology

authors： Csajka C,Haller CA,Benowitz NL,Verotta D

更新日期：2005-03-01 00:00:00

abstract：AIMS:Prescribing errors are common and inadequate preparation of prescribers appears to contribute. A junior doctor-led prescribing tutorial programme has been developed for Edinburgh final year medical students to increase exposure to common prescribing tasks. The aim of this study was to assess the impact of these tu...

journal_title：British journal of clinical pharmacology

authors： Gibson KR,Qureshi ZU,Ross MT,Maxwell SR

更新日期：2014-01-01 00:00:00

abstract：AIMS:Genetic factors, notably CYP2B6 516G→T [rs3745274] and 983T→C [rs28399499], explain much of the interindividual variability in efavirenz pharmacokinetics, but data from Africa are limited. We characterized relationships between genetic polymorphisms and plasma efavirenz concentrations in HIV-infected Black South A...

journal_title：British journal of clinical pharmacology

authors： Sinxadi PZ,Leger PD,McIlleron HM,Smith PJ,Dave JA,Levitt NS,Maartens G,Haas DW

更新日期：2015-07-01 00:00:00

abstract：:1. Alfuzosin is a post-synaptic alpha-adrenoceptor antagonist with antihypertensive and peripheral vasodilator properties. 2. We measured the effect of alfuzosin, 5 mg, on sympathetically-mediated venoconstriction by changes in the venous reflex response (VRR) in a randomised, double-blind, placebo-controlled, crossov...

journal_title：British journal of clinical pharmacology

authors： Sinclair AJ,Davies IB,Warrington SJ

更新日期：1989-01-01 00:00:00

abstract：AIMS:5-Fluorouracil (5-FU) is widely used in combination chemotherapy, and literature suggests pharmacokinetic-guided dosing to improve clinical efficacy and reduce toxicity. This study aimed to determine the pharmacokinetic exposure of both 5-FU and its metabolite, 5,6-dihydrofluorouracil (DHFU), in patients with gast...

journal_title：British journal of clinical pharmacology

authors： Jacob J,Mathew SK,Chacko RT,Aruldhas BW,Singh A,Prabha R,Mathew BS

更新日期：2020-06-27 00:00:00

abstract：:1 Infusion of isoprenaline into dorsal hand veins preconstricted with noradrenaline produced vasodilatation in four subjects out of five which was reversed by addition of propranolol. It is confirmed that beta-adrenoceptors are present in the hand veins of most subjects. 2 Addition of either propranolol or practolol t...

journal_title：British journal of clinical pharmacology

authors： White CB,Udwadia BP

更新日期：1975-04-01 00:00:00

abstract：AIMS:We investigated whether the deterioration in asthma control reported following cessation of theophylline was due to tolerance to theophylline. METHODS:Eighteen subjects with mild stable asthma were given oral theophylline 10 mg kg(-1) day(-1) or placebo for 2 weeks in a double-blind crossover study. FEV1 and PD20...

journal_title：British journal of clinical pharmacology

authors： Bennett JA,Thompson Coon J,Pavord ID,Wilding PJ,Tattersfield AE

更新日期：1998-04-01 00:00:00

abstract：AIM:To evaluate the resistance to oxidation of human lipoproteins after hypolipidaemic therapy. METHODS:VLDL and LDL samples were obtained from patients with Familial Combined Hyperlipidaemia included in a randomized, double-blind, cross-over study, with 8 weeks of active treatment (gemfibrozil, 600 mg twice daily, or...

journal_title：British journal of clinical pharmacology

authors： Vázquez M,Zambón D,Hernández Y,Adzet T,Merlos M,Ros E,Laguna JC

更新日期：1998-03-01 00:00:00

abstract：:Small GTPases of the Rho family and their down-stream effectors Rho associated kinases (ROCKs) are the molecules that converge a spectrum of pathophysiological signals triggered by the diabetic milieu and represent promising molecular targets for nephroprotective treatment in diabetes. The review discusses recent stud...

journal_title：British journal of clinical pharmacology

authors： Komers R

更新日期：2013-10-01 00:00:00

abstract：:1. The systemic effects of inhaled fluticasone propionate (FP), administered via Diskhaler, on the hypothalamo-pituitary-adrenal (HPA) axis were assessed primarily by measuring plasma cortisol at frequent intervals for 20 h after drug administration. 2. FP showed a dose-related suppression of plasma cortisol measured ...

journal_title：British journal of clinical pharmacology

authors： Grahnén A,Eckernäs SA,Brundin RM,Ling-Andersson A

更新日期：1994-12-01 00:00:00

abstract：AIMS:The aims of the present study were to evaluate the pharmacokinetic properties of dihydroartemisinin (DHA) and piperaquine, potential drug-drug interactions with concomitant primaquine treatment, and piperaquine effects on the electrocardiogram in healthy volunteers. METHODS:The population pharmacokinetic properti...

journal_title：British journal of clinical pharmacology

authors： Chotsiri P,Wattanakul T,Hoglund RM,Hanboonkunupakarn B,Pukrittayakamee S,Blessborn D,Jittamala P,White NJ,Day NPJ,Tarning J

更新日期：2017-12-01 00:00:00

abstract：AIMS:To characterize the cytochrome P450 (CYP) enzymes responsible for the N-demethylation of sildenafil to its main metabolite, UK-103 320, to investigate the potential inhibitory effects of sildenafil on CYP enzymes and to evaluate the potential of selected drugs to affect sildenafil metabolism. METHODS:The metaboli...

journal_title：British journal of clinical pharmacology

authors： Hyland R,Roe EG,Jones BC,Smith DA

更新日期：2001-03-01 00:00:00

abstract：:1. The human isolated basilar artery has been used as a model to investigate the aetiology of cerebral arterial spasm associated with rupture of intracranial aneurysms. 2. The isolated artery is contracted by 5-hydroxytryptamine, noradrenaline, six prostaglandins and cerebrospinal fluid from patients with ruptured ane...

journal_title：British journal of clinical pharmacology

authors： Boullin DJ,Mohan J

更新日期：1977-02-01 00:00:00