Risk factors contributing to a low darunavir plasma concentration.

abstract：:1 The effect of acebutolol, a relatively selective beta-adrenoceptor blocking drug and propranolol, a non-selective one, on the hypoglycaemic action of glibenclamide after an oral glucose load has been investigated in a group of maturity-onset diabetic patients. 2 Glibenclamide significantly reduced the blood glucose ...

journal_title：British journal of clinical pharmacology

authors： Zaman R,Kendall MJ,Biggs PI

更新日期：1982-04-01 00:00:00

abstract：:1. The effects of the voltage dependent calcium channel blocking agent nifedipine, and of a calcium free bathing medium, on the responses of human blood vessels obtained postmortem to various agonists have been compared with those of the rat aorta. The human vessels studied were digital arteries, basilar arteries and ...

journal_title：British journal of clinical pharmacology

authors： Iwanov V,Moulds RF

更新日期：1991-01-01 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:Hypertension is a common comorbidity of patients with COVID-19, SARS or HIV infection. Such patients are often concomitantly treated with antiviral and antihypertensive agents, including ritonavir and nifedipine. Since ritonavir is a strong inhibitor of CYP3A and nifedipine is mainly metabolized via CYP3A, the com...

journal_title：British journal of clinical pharmacology

authors： Niu W,Li S,Jin S,Lin X,Zhang M,Cai W,Jiao Z,Xiang X

更新日期：2020-12-02 00:00:00

abstract：:1. We have investigated the effect of repeated s.c. Org 10172 (a low molecular weight heparinoid; Lomoparan) treatment (1000 anti-Xa units twice daily for 5 days) on antipyrine (500 mg orally) metabolism, and the effect of enzyme induction by pentobarbitone (100 mg for 12 days) on the pharmacokinetics and pharmacodyna...

journal_title：British journal of clinical pharmacology

authors： De Boer A,Stiekema JC,Danhof M,Breimer DD

更新日期：1991-07-01 00:00:00

abstract：:1 Evidence concerning the convulsant effects of non-monoamine oxidase inhibitor antidepressant drugs has been reviewed. 2 Mianserin is convulsant in therapeutic doses but seizures have not been reported following overdose. 3 The convulsant effects of mianserin are probably no greater than for other non-monoamine oxida...

journal_title：British journal of clinical pharmacology

authors： Richens A,Nawishy S,Trimble M

更新日期：1983-01-01 00:00:00

abstract：AIMS:To determine the molecular basis of the intermediate extensive metaboliser (EM) CYP2D6 phenotype in healthy Gabonese subjects. METHODS:The CYP2D6 phenotype of 154 healthy Gabonese subjects was assessed by giving the subject a single dose of 30 mg dextromethorphan, and collecting their urine for the next 8 h. The ...

journal_title：British journal of clinical pharmacology

authors： Panserat S,Sica L,Gérard N,Mathieu H,Jacqz-Aigrain E,Krishnamoorthy R

更新日期：1999-01-01 00:00:00

abstract：:1. The N-acetylation of dapsone (DDS) was studied in 182 unrelated healthy Japanese subjects. The frequency of slow acetylators determined using the plasma monoacetyldapsone (MADDS) to DDS ratio (MADDS/DDS, slow acetylators less than 0.30 and rapid acetylators greater than 0.35) at 3 h after an oral dose of DDS (100 m...

journal_title：British journal of clinical pharmacology

authors： Horai Y,Ishizaki T

更新日期：1988-04-01 00:00:00

abstract：AIMS:To identify the cytochrome P450 (CYP) and UDP-glucuronosyltransferase (UGT) isoforms responsible for the formation of the primary metabolite(s) of zaltoprofen, and to predict possible drug interactions by investigating the inhibition of CYP isoforms in vitro. METHODS:The metabolism of zaltoprofen was studied in v...

journal_title：British journal of clinical pharmacology

authors： Furuta S,Akagawa N,Kamada E,Hiyama A,Kawabata Y,Kowata N,Inaba A,Matthews A,Hall M,Kurimoto T

更新日期：2002-09-01 00:00:00

abstract：AIMS:There is a trend for more flexibility in timing of evidence generation in relation to marketing authorization, including the option to complete phase III trials after authorization or not at all. This paper investigated the relation between phase II and III clinical trial efficacy in oncology. METHODS:All oncolog...

journal_title：British journal of clinical pharmacology

authors： Vreman RA,Belitser SV,Mota ATM,Hövels AM,Goettsch WG,Roes KCB,Leufkens HGM,Mantel-Teeuwisse AK

更新日期：2020-07-01 00:00:00

abstract：AIMS:The aim of the present study was to investigate whether differences in total and peak drug exposure upon generic substitution are due to differences between formulations or to intrasubject pharmacokinetic variability of the active substance. METHODS:The study was designed as a retrospective reanalysis of existing...

journal_title：British journal of clinical pharmacology

authors： Yu Y,Teerenstra S,Neef C,Burger D,Maliepaard M

更新日期：2016-04-01 00:00:00

abstract：:1. In order to assess attitudes of patients to participation in therapeutic trials 197 patients underwent structured interviews conducted by a single observer. Of these patients 66 were previous or current participants in clinical trials (group A), 12 had declined participation in a trial (group B), and 119 had never ...

journal_title：British journal of clinical pharmacology

authors： Bevan EG,Chee LC,McGhee SM,McInnes GT

更新日期：1993-02-01 00:00:00

abstract：AIMS:The efflux transporter P-glycoprotein (ABCB1) acts at the blood-brain barrier (BBB) to restrict the distribution of many different drugs from blood to the brain. Previous data suggest an age-associated decrease in the expression and function of ABCB1 at the BBB. In the present study, we investigated the influence ...

journal_title：British journal of clinical pharmacology

authors： Bauer M,Wulkersdorfer B,Karch R,Philippe C,Jäger W,Stanek J,Wadsak W,Hacker M,Zeitlinger M,Langer O

更新日期：2017-09-01 00:00:00

abstract：:Exposure-response (ER) analysis has emerged as an important tool to interpret QT data from thorough QT (TQT) studies and allows the prediction of effects in the targeted patient population. Recently, ER analysis has also been applied to data from early clinical pharmacology studies, such as single and multiple ascendi...

journal_title：British journal of clinical pharmacology

authors： Darpo B,Garnett C

更新日期：2013-11-01 00:00:00

abstract：:1. The 5-hydroxytryptamine 3 receptor antagonist, ICS 205-930, has been reported to have potent effects on gastric smooth muscle and to enhance gastric emptying in animals, but findings in man have been inconsistent. 2. This study investigated the effects of ICS 205-930 on gastric emptying of an isotopically labelled ...

journal_title：British journal of clinical pharmacology

authors： Stacher G,Bergmann H,Granser-Vacariu GV,Wiesnagrotzki S,Wenzelabatzi TA,Gaupmann G,Kugi A,Steinringer H,Schneider C,Höbart J

更新日期：1991-12-01 00:00:00

abstract：AIMS:Venlafaxine may increase the risk of arrhythmia in certain patients. We sought to characterize the cardiovascular effects of venlafaxine overdose in adults. METHODS:A retrospective casenote review of patients admitted to the Royal Infirmary of Edinburgh between January 2000 and June 2006. Haemodynamic and electro...

journal_title：British journal of clinical pharmacology

authors： Howell C,Wilson AD,Waring WS

更新日期：2007-08-01 00:00:00

abstract：:Intravenous midazolam (mean dose of 6.3 mg) was given to 100 consecutive patients coming to endoscopy. All patients had an ear oximeter attached throughout the procedure to record continuously their levels of oxygen saturation. Eighty-five of the 100 patients had pre-endoscopy respiratory function tests measured, and ...

journal_title：British journal of clinical pharmacology

authors： Bell GD,Reeve PA,Moshiri M,Morden A,Coady T,Stapleton PJ,Logan RF

更新日期：1987-06-01 00:00:00

abstract：AIMS:The aim of the present study was to assess the effect of policy interventions - i.e. reimbursement decisions, guidelines and regional recommendations - on the prescribing of oral anticoagulant treatment in patients with atrial fibrillation (AF). METHODS:Interrupted time series analyses were carried out using mont...

journal_title：British journal of clinical pharmacology

authors： Komen J,Forslund T,Hjemdahl P,Andersen M,Wettermark B

更新日期：2017-03-01 00:00:00

abstract：AIMS:The objective of this study is to develop a generic model for tacrolimus pharmacokinetics modelling using a meta-analysis approach, that could serve as a first step towards a prediction tool to inform pharmacokinetics-based optimal dosing of tacrolimus in different populations and indications. METHODS:A systemati...

journal_title：British journal of clinical pharmacology

authors： Nanga TM,Doan TTP,Marquet P,Musuamba FT

更新日期：2019-12-01 00:00:00

abstract：:1. Nine healthy volunteers received 10 mg nitrendipine or placebo orally in random order. 2. In the subsequent 5 h urinary sodium excretion was 20% higher after nitrendipine, without any significant difference between the volume of urine excreted after nitrendipine or placebo. Mean blood pressure fell by 5 mm Hg (P le...

journal_title：British journal of clinical pharmacology

authors： Forsyth DR,Roberts CJ

更新日期：1990-10-01 00:00:00

abstract：AIMS:To explore longitudinal changes in the number and type of medicines used among older people who experience polypharmacy. METHODS:We used pharmaceutical claims for a 10% sample of Australian Pharmaceutical Benefits Scheme beneficiaries to identify people aged 70 years and older who were exposed to 5 or more medici...

journal_title：British journal of clinical pharmacology

authors： Falster MO,Charrier R,Pearson SA,Buckley NA,Daniels B

更新日期：2020-07-31 00:00:00

abstract：:1. In order to assess the prevalence of concurrent use of more than one major psychotropic drug (polypsychopharmacy) in out-patients, a prescription database study was conducted in the Odense area for a period of 2 years. 2. During the index period 5.12% of the inhabitants purchased major psychotropic drugs. Of these,...

journal_title：British journal of clinical pharmacology

authors： Rosholm JU,Hallas J,Gram LF

更新日期：1994-06-01 00:00:00

abstract：:The effects of intravenous boluses of adenosine on respiration and heart rate were compared in young and elderly individuals. Respiratory stimulation and biphasic changes in heart rate were confirmed. The dose-response relationship for the effects of adenosine on respiration and heart-rate did not differ significantly...

journal_title：British journal of clinical pharmacology

authors： Watt AH,Bayer A,Routledge PA,Swift CG

更新日期：1989-02-01 00:00:00

abstract：:1 The clinical pharmacokinetics of the many benzodiazepines used to treat numerous and varied clinical conditions can be influenced by many factors. 2 Combinations of drugs efficacious in the central nervous system can change the onset, intensity and duration of effect as a result of pharmacological, physiological and...

journal_title：British journal of clinical pharmacology

authors： van der Kleijn E,Vree TB,Baars AM,Wijsman R,Edmunds LC,Knop HJ

更新日期：1981-01-01 00:00:00

abstract：:Osteoporosis is a skeletal disease characterized by a decrease in bone mass and bone quality that predispose an individual to an increased risk of fragility fractures. Evidence demonstrating a positive link between certain dietary patterns (e.g. Mediterranean diet or high consumption of fruits and vegetables) and bone...

journal_title：British journal of clinical pharmacology

authors： Sacco SM,Horcajada MN,Offord E

更新日期：2013-03-01 00:00:00

abstract：AIMS:To determine whether repeated once daily administration of grapefruit juice altered the pharmacokinetics or pharmacodynamics of the calcium antagonist amlodipine. METHOD:S The effects of grapefruit juice on the pharmacokinetics and pharmacodynamics of oral and intravenous amlodipine were assessed in 20 healthy me...

journal_title：British journal of clinical pharmacology

authors： Vincent J,Harris SI,Foulds G,Dogolo LC,Willavize S,Friedman HL

更新日期：2000-11-01 00:00:00

abstract：:The pharmacokinetics of fluconazole after a single 100 mg i.v. dose were studied in 10 healthy subjects (5 M; 5 F) and 10 HIV-positive patients (8 M; 2 F). The mean value of plasma clearance was 25% lower in the patient groups (17 +/- 6 (s.d.) vs 23 +/- 4 ml min-1; 95% CI of difference -11 to -0.7; P < 0.05). This dif...

journal_title：British journal of clinical pharmacology

authors： Yeates RA,Ruhnke M,Pfaff G,Hartmann A,Trautmann M,Sarnow E

更新日期：1994-07-01 00:00:00

abstract：:1 Twelve-week courses of oxprenolol and methyldopa were administered in a randomised, double-blind cross over study to ten insulin dependent hypertensive diabetics. 2 Prior to treatment, and at the end of each period of drug administration, fasting levels of high density lipoprotein, triglycerides, free fatty acids an...

journal_title：British journal of clinical pharmacology

authors： Benfield GF,Hunter KR

更新日期：1982-02-01 00:00:00

abstract：:In six healthy subjects a 250 g steak significantly increased the systemic clearance of indocyanine green. During a steady-state infusion of propranolol there was a rapid decrease (mean 35%) in blood propranolol concentrations within 5 min of feeding and levels were reduced for 30 min before gradually returning toward...

journal_title：British journal of clinical pharmacology

authors： Feely J,Nadeau J,Wood AJ

更新日期：1983-03-01 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