Changes in drug metabolism with increasing age: 2. phenytoin clearance and protein binding.

abstract：AIMS:Several studies have reported the under-representation of women in clinical trials, thereby challenging the external validity of the benefit/risk assessments of launched drugs. Our aim was to determine the extent to which women have been included in clinical trials used for drug registration and to analyse the fra...

journal_title：British journal of clinical pharmacology

authors： Labots G,Jones A,de Visser SJ,Rissmann R,Burggraaf J

更新日期：2018-04-01 00:00:00

abstract：:1. We attempted to collect information on the metabolism and production of angiotensins (ANG) in different vascular beds in humans by constant i.v. infusion of mono-iodinated [125I]-ANG I into subjects with essential hypertension, at the time of renal vein catheterization as part of the diagnostic work-up for renovasc...

journal_title：British journal of clinical pharmacology

authors： Schalekamp MA,Admiraal PJ,Derkx FH

更新日期：1989-01-01 00:00:00

abstract：AIMS:Tolcapone is a novel catechol-O-methyltransferase (COMT) inhibitor used as an adjunct to levodopa/carbidopa or levodopa/benserazide therapy to improve treatment of Parkinson's disease. The aim of the current study was to investigate the potential effect of tolcapone on the pharmacokinetics of carbidopa. METHODS:T...

journal_title：British journal of clinical pharmacology

authors： Jorga KM,Nicholl DJ

更新日期：1999-09-01 00:00:00

abstract：:WHAT IS ALREADY KNOWN ABOUT THIS SUBJECT • The population pharmacokinetics and limited sampling strategies for ciclosporin monitoring have been extensively studied in renal and liver transplant recipients. Little is known about the pharmacokinetics of ciclosporin in patients undergoing haematopoietic allogeneic stem c...

journal_title：British journal of clinical pharmacology

authors： Wilhelm AJ,de Graaf P,Veldkamp AI,Janssen JJ,Huijgens PC,Swart EL

更新日期：2012-04-01 00:00:00

abstract：:1 Measurements of the binding of 12-alpha-[3H]-digoxin to the membranes of intact erythrocytes, erythrocyte 86rubidium uptake and intraerythrocytic sodium concentrations have been made in the red cells of various groups of patients--those who have not received digoxin, those during the early phases of treatment, those...

journal_title：British journal of clinical pharmacology

authors： Ford AR,Aronson JK,Grahame-Smith DG,Carver JG

更新日期：1979-08-01 00:00:00

abstract：AIMS:In vitro data indicate that imipramine (IMI), a widely used tricyclic antidepressant drug, is N-demethylated by several isoforms of cytochrome P450, which include CYP3A4. The aim of this study was to investigate the role of CYP3A in the in vivo N-demethylation of IMI. METHODS:Healthy subjects were given troleando...

journal_title：British journal of clinical pharmacology

authors： Wang JS,Wang W,Xie HG,Huang SL,Zhou HH

更新日期：1997-08-01 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：:1. We present a novel index for expressing the exposure of the infant to drugs in breast milk, which unifies two independent factors: a pharmacokinetic parameter, drug clearance, and a physiochemical parameter, i.e. milk-to-maternal plasma drug concentration ratio (M/P ratio). 2. During breast-feeding by a woman recei...

journal_title：British journal of clinical pharmacology

authors： Ito S,Koren G

更新日期：1994-08-01 00:00:00

abstract：:1. The pharmacokinetics of butorphanol were evaluated in 18 female volunteers with varying degrees of renal function following a single, 1 mg transnasal dose of butorphanol tartrate. The creatinine clearance (CLCR) values for subjects in the normal (NOR), moderately impaired (MI), and severely impaired (SI) groups wer...

journal_title：British journal of clinical pharmacology

authors： Shyu WC,Morgenthien EA,Barbhaiya RH

更新日期：1996-05-01 00:00:00

abstract：AIMS:To evaluate putative associations between drugs and dilated cardiomyopathy. METHODS:We used the case/noncase method in the French PharmacoVigilance Database (FPVD). Cases were all the observations with dilated cardiomyopathy registered into the FPVD between 1 January 1990 and 30 June 2007. Noncases were all other...

journal_title：British journal of clinical pharmacology

authors： Montastruc G,Favreliere S,Sommet A,Pathak A,Lapeyre-Mestre M,Perault-Pochat MC,Montastruc JL,French Association of Regional PharmacoVigilance Centres.

更新日期：2010-03-01 00:00:00

abstract：:People who are 60 years old and older have the highest incidence of developing new-onset epilepsy. The increase of the ageing population has resulted in a greater number of patients with new-onset epilepsy or at risk of developing the condition. Previously published review articles regarding epilepsy in older patients...

journal_title：British journal of clinical pharmacology

authors： Vu LC,Piccenna L,Kwan P,O'Brien TJ

更新日期：2018-10-01 00:00:00

abstract：:Serum creatinine and drug concentrations were measured at 0, 1, 2, 3, 6, 9 and 12 months in 30 consecutive patients started on amiodarone. In 28 of these patients with no obvious cause for altered renal function, mean serum creatinine increased to 11% above baseline (P < 0.005). Rising creatinine concentrations correl...

journal_title：British journal of clinical pharmacology

authors： Pollak PT,Sharma AD,Carruthers SG

更新日期：1993-08-01 00:00:00

abstract：:Twelve patients with acute uncomplicated falciparum malaria were admitted to the Hospital for Tropical Diseases for 42 days. The patients were treated with halofantrine 500 mg 6 hourly for three doses and halofantrine and its desbutyl metabolite were analysed in plasma by h.p.l.c. Cmax values of halofantrine and desbu...

journal_title：British journal of clinical pharmacology

authors： Karbwang J,Milton KA,Na Bangchang K,Ward SA,Edwards G,Bunnag D

更新日期：1991-04-01 00:00:00

abstract：:Plasma and synovial fluid concentrations of the enantiomers of flurbiprofen were measured in 15 rheumatoid patients receiving 100 mg racemic flurbiprofen twice daily. Pharmacokinetic parameters showed considerable variability within the group of patients, although differences in S(+)/R(-) plasma concentration ratios w...

journal_title：British journal of clinical pharmacology

authors： Young MA,Aarons L,Toon S

更新日期：1991-01-01 00:00:00

abstract：AIM:To assess the effect of Schisandra sphenanthera extract (SchE) on the pharmacokinetics of tacrolimus in healthy volunteers. METHODS:Twelve healthy male volunteers were orally treated with SchE, three capsules twice daily for 13 days. Pharmacokinetic investigations of oral tacrolimus administration at 2 mg were per...

journal_title：British journal of clinical pharmacology

authors： Xin HW,Wu XC,Li Q,Yu AR,Zhu M,Shen Y,Su D,Xiong L

更新日期：2007-10-01 00:00:00

abstract：:1. The 5-hydroxytryptamine (5-HT3) receptor antagonist, GR 38032F, which possesses potent anti-emetic properties in vomiting induced by cancer chemotherapeutic drugs, has been tested to determine its value in the prophylaxis of motion sickness induced by cross-coupled stimulation. The double-blind trial compared GR 38...

journal_title：British journal of clinical pharmacology

authors： Stott JR,Barnes GR,Wright RJ,Ruddock CJ

更新日期：1989-02-01 00:00:00

abstract：:1. The beta-adrenergic blocking potencies of practolol, ICI 66082, tolamolol, acebutolol, H 93/26, H 87/07, pindolol and Ro 3-4787 were compared with that of propranolol, on human and rat adipocytes. 2. A good correlation was found between the potencies on adipocytes of the two species but not between our results and ...

journal_title：British journal of clinical pharmacology

authors： Harms HH,Van der Meer J

更新日期：1975-08-01 00:00:00

abstract：:1 Two antitussive agents (+/-)-glaucine phosphate and codeine phosphate have been compared with placebo with respect to ventilation, ventilatory response to carbon dioxide, pulse, blood pressure, digit symbol substitution, sedation score and the Zahlen-Verbindung test performance in ten healthy volunteers (22-36 years...

journal_title：British journal of clinical pharmacology

authors： Redpath JB,Pleuvry BJ

更新日期：1982-10-01 00:00:00

abstract：:1. In order to investigate accurately the biochemical effects of renin inhibition in man, we have developed a sensitive assay to measure angiotensin I (1-10) decapeptide. 2. Angiotensins were extracted from plasma by adsorption to phenylsilylsilica, and angiotensin I (Ang I) was quantified by radioimmunoassay. The det...

journal_title：British journal of clinical pharmacology

authors： Chauveau D,Guyenne TT,Cumin F,Chatellier G,Corvol P,Ménard J

更新日期：1992-03-01 00:00:00

abstract：:1. The effects of benzhexol on the absorption and pharmacokinetics of an oral dose of levodopa have been studied in 10 young healthy volunteers. Subjects were given a suspension of levodopa (250 mg) 90 min after either benzhexol (5 mg) or placebo in a randomized cross over design with doses separated by at least 1 wee...

journal_title：British journal of clinical pharmacology

authors： Roberts J,Waller DG,von Renwick AG,O'Shea N,Macklin BS,Bulling M

更新日期：1996-04-01 00:00:00

abstract：WHAT IS ALREADY KNOWN ABOUT THIS SUBJECT:• Clinical cases reported that fatal acute liver failure occurred when paracetamol (acetaminophen) was co-administrated with some tyrosine kinase inhibitors (TKIs). The direct inhibition of UDP-glucuronosyltransferase activities has been identified as a mechanism of potentiation...

journal_title：British journal of clinical pharmacology

authors： Liu Y,Ramírez J,Ratain MJ

更新日期：2011-06-01 00:00:00

abstract：:The kinetics of a single 0.5 mg oral dose of the triazolobenzodiazepine hypnotic triazolam, were studied in 54 healthy young men aged 20-44 years, with a mean body weight of 77 kg. Triazolam kinetics were determined from multiple plasma concentrations measured during 14 h post-dose. The overall mean +/- s.e. mean (wit...

journal_title：British journal of clinical pharmacology

authors： Friedman H,Greenblatt DJ,Burstein ES,Harmatz JS,Shader RI

更新日期：1986-12-01 00:00:00

abstract：AIMS:Nicotine nasal spray and transdermal nicotine are effective aids to smoking cessation, and are being evaluated for treatment of other medical diseases. Wide variation in levels of nicotine and its metabolite, cotinine, have been observed with such therapies. This study aimed primarily to assess sources of individu...

journal_title：British journal of clinical pharmacology

authors： Benowitz NL,Zevin S,Jacob P 3rd

更新日期：1997-03-01 00:00:00

abstract：AIMS:The aim was to examine relationships between total and unbound mycophenolic acid (MPA) and prednisolone exposure and clinical outcomes in patients with lupus nephritis. METHODS:Six blood samples were drawn pre- and at 1, 2, 4, 6 and 8 h post-dose and total and unbound MPA and prednisolone pre-dose (C0 ), maximum ...

journal_title：British journal of clinical pharmacology

authors： Abd Rahman AN,Tett SE,Abdul Gafor HA,McWhinney BC,Staatz CE

更新日期：2015-11-01 00:00:00

abstract：AIM:We aimed to establish a method to assess systemic and pre-systemic cytochrome P450 (CYP) 3A activity using ineffective microgram doses of midazolam. METHODS:In an open, one sequence, crossover study, 16 healthy participants received intravenous and oral midazolam at microgram (0.001 mg intravenous and 0.003 mg ora...

journal_title：British journal of clinical pharmacology

authors： Hohmann N,Kocheise F,Carls A,Burhenne J,Haefeli WE,Mikus G

更新日期：2015-02-01 00:00:00

abstract：:1 This study was designed to compare in a double-blind randomized crossover trial, atenolol, labetalol, metoprolol and pindolol. Considerable differences in dose (atenolol 138 +/- 13 mg daily; labetalol 308 +/- 34 mg daily; metoprolol 234 +/- 22 mg daily; and pindolol 24 +/-2 mg daily were required to produce similar ...

journal_title：British journal of clinical pharmacology

authors： McNeil JJ,Louis WJ

更新日期：1979-04-01 00:00:00

abstract：:Submaximal dose pentagastrin tests conducted in normal male volunteers with L-643.441, a novel histamine H2-receptor antagonist, indicate that it is a potent and long-acting inhibitor of gastric acid secretion. The effect appears dose-dependent and single doses of 50 mg are sufficient to reduce secretory potential by ...

journal_title：British journal of clinical pharmacology

authors： Henry DA,Somerville KW,Kitchingman GK,Holmes IB,Tobert JA,Langman MJ

更新日期：1985-08-01 00:00:00

abstract：WHAT IS ALREADY KNOWN ABOUT THIS SUBJECT:Variants in the CYP2C9 (i.e. *2 and *3) and VKORC1 (i.e. 1173C/T or -1639G/A) genes have been shown to influence warfarin dose requirements. However, these factors seem to explain less of the dose variability in African Americans who have a lower prevalence of the CYP2C9*2 and *...

journal_title：British journal of clinical pharmacology

authors： Schelleman H,Brensinger CM,Chen J,Finkelman BS,Rieder MJ,Kimmel SE

更新日期：2010-09-01 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：AIMS:To characterize the pharmacokinetics (PK) of moxetumomab pasudotox, an anti-CD22 recombinant immunotoxin, in adults with relapsed or refractory hairy cell leukaemia, we examined data from a phase 1 study (Study 1001; n = 49) and from the pivotal clinical study (Study 1053; n = 74). METHODS:Data from both studies ...

journal_title：British journal of clinical pharmacology

authors： Kuruvilla D,Chia YL,Balic K,Yao NS,Kreitman RJ,Pastan I,Li X,Standifer N,Liang M,Tseng CM,Faggioni R,Roskos L

更新日期：2020-07-01 00:00:00