The rise and fall of serum theophylline concentration: a comparison of sustained-release formulations in volunteers with rapid theophylline clearance.

abstract：WHAT IS ALREADY KNOWN ABOUT THIS SUBJECT:Human pregnane X receptor (PXR/NR1I2) is a key regulator of cytochrome P450 3A4. To date, there are 198 reported SNPs for the human PXR/NR1I2 gene. Some of these SNPs are found to affect the inducing ability of PXR to CYP3A4. WHAT THIS STUDY ADDS:This study, for the first time,...

journal_title：British journal of clinical pharmacology

authors： Wang XD,Li JL,Su QB,Guan S,Chen J,Du J,He YW,Zeng J,Zhang JX,Chen X,Huang M,Zhou SF

更新日期：2009-02-01 00:00:00

abstract：:1 Benzodiazepines are regarded as pure anxiolytics, and their value in the treatment of depression is controversial. Nevertheless, symptoms of anxiety and depression coexist in patients with endogenous or neurotic depression, and clinical trials indicate that depressed patients respond better to a benzodiazepine-tricy...

journal_title：British journal of clinical pharmacology

authors： Cassano GB,Conti L

更新日期：1981-01-01 00:00:00

abstract：AIMS:In experimental studies, morphine pharmacokinetics is different in the brain compared with other tissues due to the properties of the blood-brain barrier, including action of efflux pumps. It was hypothesized in this clinical study that active efflux of morphine occurs also in human brain, and that brain injury wo...

journal_title：British journal of clinical pharmacology

authors： Ederoth P,Tunblad K,Bouw R,Lundberg CJ,Ungerstedt U,Nordström CH,Hammarlund-Udenaes M

更新日期：2004-04-01 00:00:00

abstract：:Adverse drug reactions come at a considerable cost on society. Social media are a potentially invaluable reservoir of information for pharmacovigilance, yet their true value remains to be fully understood. In order to realize the benefits social media holds, a number of technical, regulatory and ethical challenges rem...

journal_title：British journal of clinical pharmacology

authors： Sloane R,Osanlou O,Lewis D,Bollegala D,Maskell S,Pirmohamed M

更新日期：2015-10-01 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 Previous studies of propranolol disposition in renal failure have been conflicting. 2 Using simultaneous administration of [3H]-propranolol intravenously and unlabelled propranolol orally the principal determinants of drug distribution were calculated in normals, patients with severe renal impairment (creatinine cle...

journal_title：British journal of clinical pharmacology

authors： Wood AJ,Vestal RE,Spannuth CL,Stone WJ,Wilkinson GR,Shand DG

更新日期：1980-12-01 00:00:00

abstract：AIM:Lamivudine is used as first line therapy in HIV-infected children. Yet, like many other paediatric drugs, its dose rationale has been based on limited clinical data, without thorough understanding of the effects of growth on drug disposition. Here we use lamivudine to show how a comprehensive population pharmacokin...

journal_title：British journal of clinical pharmacology

authors： Piana C,Zhao W,Adkison K,Burger D,Jacqz-Aigrain E,Danhof M,Della Pasqua O

更新日期：2014-05-01 00:00:00

abstract：:The effect of a high potency antacid and food on the bioavailability of famotidine was studied in 17 healthy volunteers in an open randomized three-way cross-over trial. After an overnight fast, famotidine was administered to each subject as follows: 40 mg famotidine orally alone; 40 mg orally with antacid; and 40 mg ...

journal_title：British journal of clinical pharmacology

authors： Lin JH,Chremos AN,Kanovsky SM,Schwartz S,Yeh KC,Kann J

更新日期：1987-10-01 00:00:00

abstract：:1. Nebivolol, a selective beta 1-adrenoceptor antagonist with antihypertensive effects, has haemodynamic effects suggestive of a direct vasodilator action. 2. The dorsal hand vein technique was used to determine whether nebivolol has venodilator action in vivo in man. 3. Nebivolol and atenolol were infused into the ph...

journal_title：British journal of clinical pharmacology

authors： Bowman AJ,Chen CP,Ford GA

更新日期：1994-09-01 00:00:00

abstract：:Herbal medicines and products derived from them are a diverse group of products for which different (and often limited) levels of evidence are available. As importantly, such products generally vary in their composition and are at the end of an often poorly understood value chain, which often links producers in biodiv...

journal_title：British journal of clinical pharmacology

authors： Heinrich M

更新日期：2015-07-01 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. Ten healthy subjects received two treatments: a single 1 g oral dose of nalidixic acid (NA) followed 1 h later by either an infinitesimal dilution of the drug (NA 7CH) or by succussed water which served as placebo. The study was repeated 18 months later in 10 different subjects. 2. A further 10 healthy subjects rec...

journal_title：British journal of clinical pharmacology

authors： Ferry N,Bernard N,Pozet N,Gardes E,Bruguier M,Cuisinaud G,Sassard J

更新日期：1991-07-01 00:00:00

abstract：AIMS:With rising use worldwide, pregabalin is increasingly implicated in poisoning deaths. We aimed to investigate the clinical effects and complications of pregabalin poisoning. METHODS:This is a retrospective review of patients presenting with pregabalin poisoning to two tertiary toxicology units from 1 July 2014 to...

journal_title：British journal of clinical pharmacology

authors： Isoardi KZ,Polkinghorne G,Harris K,Isbister GK

更新日期：2020-12-01 00:00:00

abstract：:In a double-blind crossover trial, the effect of 4 week daily ingestion of eight cups of regular coffee (corresponding to 504 mg caffeine) vs eight cups of decaffeinated coffee was studied. Blood pressure, heart rate and urinary catecholamines were measured in eight healthy, young volunteers. In both groups, regular c...

journal_title：British journal of clinical pharmacology

authors： Ammon HP,Bieck PR,Mandalaz D,Verspohl EJ

更新日期：1983-06-01 00:00:00

abstract：:The effect of salbutamol on bronchoconstriction induced by inhaled sodium metabisulphite has been studied in 12 atopic subjects. Salbutamol (200 micrograms, 3.5 x 10(-7) M) and matched placebo were administered by identical metered dose inhaler 15 min before a dose-response to sodium metabisulphite (1.25-100 mg ml-1) ...

journal_title：British journal of clinical pharmacology

authors： Iredale MJ,Dixon CM,Ind PW

更新日期：1991-11-01 00:00:00

abstract：:1. Ototoxicity is a common and troublesome side-effect of high-dose aspirin treatment but there has been little previous study of the relationships between the degree of ototoxicity and the plasma concentrations of salicylate. 2. In order to investigate the relationships between aspirin dose, total and unbound plasma ...

journal_title：British journal of clinical pharmacology

authors： Day RO,Graham GG,Bieri D,Brown M,Cairns D,Harris G,Hounsell J,Platt-Hepworth S,Reeve R,Sambrook PN

更新日期：1989-12-01 00:00:00

abstract：AIMS:Adrenomedullin (ADM) is an important regulator of endothelial barrier function and vascular tone, and may represent a novel treatment target in sepsis. The non-neutralizing ADM antibody adrecizumab has shown promising results in preclinical sepsis models. In the present study, we investigated the safety, tolerabil...

journal_title：British journal of clinical pharmacology

authors： Geven C,van Lier D,Blet A,Peelen R,Ten Elzen B,Mebazaa A,Kox M,Pickkers P

更新日期：2018-09-01 00:00:00

abstract：AIMS:The aims of the present study were, firstly, to evaluate long-term trends in the occurrence and treatment of cardiovascular disease (CVD) risk factors and the occurrence of CVD events in children with type 1 diabetes mellitus (T1DM) and, secondly, to assess the determinants of undertreatment of CVD risk factors. ...

journal_title：British journal of clinical pharmacology

authors： Ahmadizar F,Souverein P,de Boer A,Maitland-van der Zee AH

更新日期：2018-04-01 00:00:00

abstract：AIM:To examine comprehensively the relationship between exposure to four classes of psychotropic drugs including antipsychotics, antidepressants, benzodiazepines (BZDs) and Z-drugs, and motor vehicle accidents (MVAs). METHOD:The authors conducted a matched case-control study of 5183 subjects with MVAs and 31 093 match...

journal_title：British journal of clinical pharmacology

authors： Chang CM,Wu EC,Chen CY,Wu KY,Liang HY,Chau YL,Wu CS,Lin KM,Tsai HJ

更新日期：2013-04-01 00:00:00

abstract：:1. The absorption kinetics of orally administered strontium chloride and its reproducibility were investigated in healthy volunteers after administering strontium either under fasting conditions (study I, n = 8) or in combination with a standardized meal (study II, n = 8). Each subject received strontium orally at day...

journal_title：British journal of clinical pharmacology

authors： Sips AJ,van der Vijgh WJ,Barto R,Netelenbos JC

更新日期：1996-06-01 00:00:00

abstract：:It is recognised that randomised controlled trials are not feasible for capturing rare adverse events. There is an increasing trend towards observational research methodologies using large population-based health databases. These databases offer more scope for adequate sample sizes, allowing for comprehensive patient ...

journal_title：British journal of clinical pharmacology

authors： Chan EW,Liu KQ,Chui CS,Sing CW,Wong LY,Wong IC

更新日期：2015-10-01 00:00:00

abstract：:Increasing doses of a slow-release potassium supplement were given to nine hypertensive patients previously treated for at least 18 months with bendrofluazide 10 mg daily. Serum potassium and total body potassium (TBK) were measured after 2 months on each dose. No significant increase in serum potassium or TBK occurre...

journal_title：British journal of clinical pharmacology

authors： Wilkinson PR,Tait C,Hesp R,Raftery EB

更新日期：1982-08-01 00:00:00

abstract：:When using biopsy pathology in clinical pharmacology to assess drug efficacy in the gastrointestinal tract, a number of questions must be answered: Is the biopsy necessary or more effective than macroscopic views by endoscopy? Can we extract maximal information from the specimen? Are there surrogate serum or other mar...

journal_title：British journal of clinical pharmacology

authors： Walker MM

更新日期：2003-11-01 00:00:00

abstract：AIMS:The role of CYP pharmacogenetics in the bioactivation of cyclophosphamide is still controversial. Recent clinical studies have suggested a role for either CYP2C19 or CYP2B6. The aim of this study was to clarify the role of these pharmacogenes. METHODS:We used a combined in vitro-in vivo approach to determine the ...

journal_title：British journal of clinical pharmacology

authors： Helsby NA,Hui CY,Goldthorpe MA,Coller JK,Soh MC,Gow PJ,De Zoysa JZ,Tingle MD

更新日期：2010-12-01 00:00:00

abstract：:1 Study I evaluated the absorption of oxprenolol in the ileum, compared to jejunum, in healthy volunteers by an intestinal perfusion technique. Around 80 mg of drug were delivered as a saline solution directly in the small bowel. 2 Samples taken 30 cm distally to the site of perfusion showed that 63% of perfused oxpre...

journal_title：British journal of clinical pharmacology

authors： Godbillon J,Vidon N,Palma R,Pfeiffer A,Franchisseur C,Bovet M,Gosset G,Bernier JJ,Hirtz J

更新日期：1987-09-01 00:00:00

abstract：AIMS:Ibandronate, a highly potent nitrogen-containing bisphosphonate, is the subject of an ongoing clinical development programme that aims to maximize the potential of simplified, less frequent oral and intravenous (i.v.) administration in osteoporosis. A modelling and simulation project was undertaken to characterize...

journal_title：British journal of clinical pharmacology

authors： Pillai G,Gieschke R,Goggin T,Jacqmin P,Schimmer RC,Steimer JL

更新日期：2004-12-01 00:00:00

abstract：:The pharmacokinetics of antipyrine were studied in 12 healthy volunteers and 10 patients of Kenya African origin with Hodgkin's lymphoma. The half-life of antipyrine was 12.2 +/- 1.3 h (mean + s.d.), while the apparent volume of distribution (V) was 0.67 +/- 0.11 l kg-1 (mean +/- s.d.) and the total body clearance was...

journal_title：British journal of clinical pharmacology

authors： Juma FD

更新日期：1987-12-01 00:00:00

abstract：:1. The pharmacokinetics of levodopa and paracetamol after single oral doses have been investigated in eight healthy young volunteers in the fasted state and following isocaloric meals containing either 10.5 g or 30.5 g of protein. 2. The initial peak and maximum plasma drug concentrations and the times at which these ...

journal_title：British journal of clinical pharmacology

authors： Robertson DR,Higginson I,Macklin BS,Renwick AG,Waller DG,George CF

更新日期：1991-04-01 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：AIMS:Paracetamol-containing combination analgesics are widely prescribed but the use of paracetamol/dextropropoxyphene (co-proxamol) is particularly controversial. We aim to examine the prescribing patterns of the paracetamol-containing analgesics in Ireland. METHODS:A national primary care prescribing database was us...

journal_title：British journal of clinical pharmacology

authors： Usher C,Teeling M,Bennett K,McGowan B,Feely J

更新日期：2005-12-01 00:00:00