abstract：:Pharmacological interactions in both directions between phenprocoumon and atenolol and metoprolol were investigated using a crossover trial. Co-administration of phenprocoumon did not significantly affect Cmax, tmax, t1/2,22, AUC for atenolol or metoprolol. Co-administration of metoprolol, but not atenolol, increased ...

journal_title：British journal of clinical pharmacology

authors： Spahn H,Kirch W,Mutschler E,Ohnhaus EE,Kitteringham NR,Lögering HJ,Paar D

更新日期：1984-01-01 00:00:00

abstract：:The rise in plasma adenosine-3',5'-monophosphate occurring in response to insulin induced hypoglycaemia in normal human subjects, was abolished by non-selective beta-adrenoceptor blockade but unaffected by selective beta 1-adrenoceptor blockade. This implies that the rise is secondary to beta 2-adrenoceptor stimulatio...

journal_title：British journal of clinical pharmacology

authors： Armitstead JG,Lightman SL,Brown MJ,Causon RC,Vaughan NJ

更新日期：1983-12-01 00:00:00

abstract：:The elimination of the cardioselective beta-adrenoceptor antagonist atenolol has been studied in 35 neonates by measuring drug concentration in cord blood and in blood obtained at 24 h by heel stab. Elimination rate was assessed by calculating the slopes of lines joining these two concentration points. The slopes had ...

journal_title：British journal of clinical pharmacology

authors： Rubin PC,Butters L,Reynolds B,Evans J,Sumner D,Low RA,Reid JL

更新日期：1983-12-01 00:00:00

abstract：:The kinetics of clobazam taken 3 h before, during, and 3 h after a standard hospital meal were studied in six healthy volunteers. Peak plasma levels were significantly lower when the drug was taken with or after meals suggesting that the rate of absorption was reduced by food. The mean area under the concentration vs ...

journal_title：British journal of clinical pharmacology

authors： Cenraud B,Guyot M,Levy RH,Brachet-Liermain A,Morselli PL,Moreland TA,Loiseau P

更新日期：1983-12-01 00:00:00

abstract：:The disposition and effect of orally administered prazosin have been studied in eight women with hypertension which was uncontrolled by beta-adrenoceptor blockade during the last trimester of pregnancy. Results were compared with healthy men of similar age. The median time to peak concentration was 165 min during preg...

journal_title：British journal of clinical pharmacology

authors： Rubin PC,Butters L,Low RA,Reid JL

更新日期：1983-11-01 00:00:00

abstract：:Using a variety of radioimmunoassay methods, plasma digoxin concentrations were measured in two patients before and after the administration of ovine Fab antibody fragments to remove the effects of digoxin. Gross method-dependent anomalies in the results due to in vitro drug interaction were observed. More widespread ...

journal_title：British journal of clinical pharmacology

authors： Gibb I,Adams PC,Parnham AJ,Jennings K

更新日期：1983-10-01 00:00:00

abstract：:Simultaneous cerebrospinal fluid (CSF), total and free plasma valproic acid (VPA) concentrations were measured in 17 patients receiving two weight-adjusted VPA doses as seizure prophylaxis prior to diagnostic myelography or cisternography. Free drug concentrations were similar when measured by equilibrium dialysis (ED...

journal_title：British journal of clinical pharmacology

authors： Rapeport WG,Mendelow AD,French G,MacPherson P,Teasdale E,Agnew E,Thompson GG,Brodie MJ

更新日期：1983-10-01 00:00:00

abstract：:The disposition of mexiletine has been studied in five subjects on two occasions with urine pH controlled at 5.0 and at 8.0. With acid urine total plasma clearance was similar in all subjects (462 to 497 ml min-1) and the plasma half-life ranged from 3.8 to 9.2 h (mean 6.7 h). With alkaline urine the total plasma clea...

journal_title：British journal of clinical pharmacology

authors： Mitchell BG,Clements JA,Pottage A,Prescott LF

更新日期：1983-09-01 00:00:00

abstract：:The oxidative O-de-ethylation and aromatic 2-hydroxylation of phenacetin have been investigated in panels of extensive (EM, n = 13) and poor (PM, n = 10) metabolizers of debrisoquine. The EM group excreted in the urine significantly more paracetamol (EM: 40.8 +/- 14.9% dose/0-8 h; PM: 29.2 +/- 8.7% dose/0-8 h, 2P less...

journal_title：British journal of clinical pharmacology

authors： Devonshire HW,Kong I,Cooper M,Sloan TP,Idle JR,Smith RL

更新日期：1983-08-01 00:00:00

abstract：:Since hepatic clearance of ICG is reduced by H2-receptor antagonists in normal subjects, it has been suggested that they reduce liver blood flow. We have studied the effect of intravenous ranitidine on ICG clearance in twelve patients with chronic liver disease. Wedged and free hepatic venous pressure were measured be...

journal_title：British journal of clinical pharmacology

authors： Dunk AA,Jenkins WJ,Burroughs AK,Walt RP,Osuafor TO,Sherlock S,Mackie S,Dick R

更新日期：1983-08-01 00:00:00

abstract：:The direct-acting vasodilator, endralazine, in combination with a beta-adrenoceptor blocker significantly reduced the blood pressures of normotensive volunteers and of patients with essential hypertension. The mean terminal elimination half-life for endralazine of 136 min in hypertensive patients did not differ signif...

journal_title：British journal of clinical pharmacology

authors： Meredith PA,Elliott HL,McSharry DR,Kelman AW,Reid JL

更新日期：1983-07-01 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：:In a randomised crossover study in volunteers plasma midazolam levels were estimated for 24 h following 15 mg by mouth, either preceded by no medication or following 24 h therapy with ranitidine. Administration of the H2-receptor blocker significantly increased bioavailability of the benzodiazepine and resulted in hig...

journal_title：British journal of clinical pharmacology

authors： Elwood RJ,Hildebrand PJ,Dundee JW,Collier PS

更新日期：1983-06-01 00:00:00

abstract：:The effects of delta-9-tetrahydrocannabinol (0.5 and 1 mg i.v.) on gastric emptying of liquid were investigated in seven normal volunteers and compared with placebo. Despite significant change in pulse rate and psychological parameters consistent with cannabis activity there was no significant effect on the pattern of...

journal_title：British journal of clinical pharmacology

authors： Bateman DN

更新日期：1983-06-01 00:00:00

abstract：:The pharmacokinetics of metoclopramide have been studied in nine children receiving the drug as prophylaxis for cytotoxic induced vomiting. Plasma concentrations of metoclopramide have also been studied in three children with dystonic reactions to the drug. The pharmacokinetics in children were similar to those report...

journal_title：British journal of clinical pharmacology

authors： Bateman DN,Craft AW,Nicholson E,Pearson AD

更新日期：1983-05-01 00:00:00

abstract：:1 The disposition in urine of debrisoquine and its hydroxylated metabolites has been studied in subjects of the 'extensive metabolizer' (EM; n = 5) and 'poor metabolizer' (PM; n = 5) phenotypes. The 4-hydroxylation of debrisoquine by PM subjects following a 10 mg oral dose was capacity-limited and displayed significan...

journal_title：British journal of clinical pharmacology

authors： Sloan TP,Lancaster R,Shah RR,Idle JR,Smith RL

更新日期：1983-04-01 00:00:00

abstract：:The pharmacokinetics of piretanide, a new loop diuretic, were studied in four patients with GFR 4.7-14.8 ml/min. An oral dose of piretanide 18 mg was given at 08.00 h in two patients and at 08.00 h and 14.00 h in two. Blood samples were drawn after 0.5, 1, 2, 3, 4, 6, 8, 10, 12 and 24 h. Serum concentrations of pireta...

journal_title：British journal of clinical pharmacology

authors： Berg KJ,Walstad RA,Bergh K

更新日期：1983-03-01 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：:Plasma concentrations of isoniazid and N-acetylisoniazid were measured at varying times after addition of both compounds to plasma (5 micrograms/ml) and storage at several different temperatures (-70 degrees C, -20 degrees C, 4 degrees C and 20 degrees C). The concentration of both compounds declined log-linearly with...

journal_title：British journal of clinical pharmacology

authors： Hutchings A,Monie RD,Spragg B,Routledge PA

更新日期：1983-02-01 00:00:00

abstract：:We studied in a sleep laboratory the effects of bedtime 15 mg midazolam and 20 mg midazolam on the sleep and morning performance of healthy subjects with polygraphically verified sleep onset insomnia. Six subjects received 15 mg midazolam and six subjects received 20 mg midazolam for 14 consecutive nights which were p...

journal_title：British journal of clinical pharmacology

authors： Vogel GW,Vogel F

更新日期：1983-01-01 00:00:00

abstract：:This double-blind study in 60 hospitalized female patients comparing midazolam 15 mg, oxazepam 15 mg and placebo, demonstrated an inter-group difference in favour of midazolam with regard to efficacy. The sleep parameters of onset latency and duration were improved by midazolam. All three compounds were very well tole...

journal_title：British journal of clinical pharmacology

authors： Fischbach R

更新日期：1983-01-01 00:00:00

abstract：:The pharmacokinetic behaviour and the bioavailability of midazolam were investigated in six volunteers after intravenous (0.15 mg/kg) and oral administration (10, 20 and 40 mg). Following rapid intravenous injection of midazolam, the plasma concentration of the substance decreased to approximately 10% within 2 h owing...

journal_title：British journal of clinical pharmacology

authors： Heizmann P,Eckert M,Ziegler WH

更新日期：1983-01-01 00:00:00

abstract：:1 We have performed a double-blind, randomized, 7-d cross-over study of the thromboxane synthetase inhibitor dazoxiben (UK 37248) in 20 patients with stable coronary heart disease. 2 All patients had a history of exertional angina of greater than two years duration and no patient had suffered a myocardial infarction i...

journal_title：British journal of clinical pharmacology

authors： Reuben SR,Kuan P,Cairns J,Gyde OH

更新日期：1983-01-01 00:00:00

abstract：:1 Theories linking 5-hydroxytryptamine (5-HT) with depression are briefly reviewed. The various experimental strategies adopted to investigate this relationship, examination of autopsy data, CSF metabolite data, 5-HT re-uptake patterns in human blood platelets and imipramine binding studies in human platelets, are dis...

journal_title：British journal of clinical pharmacology

authors： Goodwin FK,Post RM

更新日期：1983-01-01 00:00:00

abstract：:1 The effects of the thromboxane synthetase inhibitor dazoxiben (UK 37248) on haemodynamics, blood gases, thromboxane and prostacyclin release and on arrhythmias were examined in anaesthetised greyhounds subject to acute coronary artery occlusion and reperfusion. 2 Ten minutes after the administration of UK 37248 2 mg...

journal_title：British journal of clinical pharmacology

authors： Coker SJ,Parratt JR

更新日期：1983-01-01 00:00:00

abstract：:1 The protein binding of seven non-steroidal anti-inflammatory drugs (indomethacin, tolmetin, salicylic acid, ibuprofen, flurbiprofen, naproxen and GP53,633) and warfarin was investigated by equilibrium dialysis in simultaneous samples of synovial fluid and plasma from 12 arthritic patients. 2 The protein binding of a...

journal_title：British journal of clinical pharmacology

authors： Wanwimolruk S,Brooks PM,Birkett DJ

更新日期：1983-01-01 00:00:00

abstract：:1 Roth et al. (1972) have proposed that within the affective disorders there are two distinct syndromes--anxiety and depression--differentiated by the relative predominance of these symptoms, the presence or absence of premorbid maladaptive traits, and the natural outcome of the disorder. 2 Goldberg (1982) on the othe...

journal_title：British journal of clinical pharmacology

authors： Russell GF,De Silva P

更新日期：1983-01-01 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：:Residual effects of brotizolam (0.25 mg) and flurazepam (30 mg) were studied in healthy young adults. Performance and subjective assessments were observed from 7 to 8 h after overnight ingestion, and effects were compared with that of placebo. Visuo-motor coordination, visuo-mental processing time, visuo-motor reactio...

journal_title：British journal of clinical pharmacology

authors： Krueger H,Müller-Limmroth W

更新日期：1983-01-01 00:00:00

abstract：:A double-blind, crossover study was carried out on the acceptability of three doses of brotizolam (0.125, 0.25 and 0.5 mg) in chronic insomniacs aged between 21 and 75 years (33 men: 42 women). Patients reported a shorter time to fall asleep and less nocturnal awakenings. Improvement in sleep was evident during the fi...

journal_title：British journal of clinical pharmacology

authors： Fritz-Osner A,Arias-Ortiz JL,Dorantes JF,Rabago-Sánchez J,Rodríguez-Tenorio A,Sánchez-Martinez J

更新日期：1983-01-01 00:00:00

abstract：:1 In healthy male volunteers dazoxiben (UK 37248), an inhibitor of thromboxane synthetase, abolished the arterial and venous vasoconstriction produced in the forearm by cold stimulation. 2 Aspirin alone had no effect on this vasoconstriction but negated the effect of dazoxiben. 3 In vitro dazoxiben increased the produ...

journal_title：British journal of clinical pharmacology

authors： Cowley AJ,Jones EW,Hanley SP

更新日期：1983-01-01 00:00:00

abstract：:1 A double-blind trial with parallel treatment groups was conducted to compare the safety and efficacy of mianserin with amitriptyline. 2 This was a six week trial with weekly visits. Measurements at each visit included: 21 item Hamilton Depression (HAMD) Scale. Clinical Global Impression (CGI) Scale and Treatment Eme...

journal_title：British journal of clinical pharmacology

authors： Feighner JP,Jacobs RS,Jackson RE,Hendrickson G,Merideth CH,O'Meara PD

更新日期：1983-01-01 00:00:00

abstract：:1 Thirty-six patients with various neurological diseases or symptoms received single intravenous doses of either cimetidine 400 mg (n = 19) or oxmetidine 200 mg (n = 17), 15 or 60 min before a diagnostic lumbar puncture. 2 In the 15 min CSF samples concentrations of cimetidine were detectable but not measurable in 5 a...

journal_title：British journal of clinical pharmacology

authors： Jönsson KA,Eriksson SE,Kagevi I,Norlander B,Bodemar G,Walan A

更新日期：1982-12-01 00:00:00

abstract：:1 Cimetidine has been reported to reduce serum calcium and parathyroid hormone (PTH) levels in primary hyperparathyroidism, but some studies have reported negative findings. 2 A double-blind, controlled trial of cimetidine in this condition was, therefore, conducted. Eight patients were given cimetidine and placebo fo...

journal_title：British journal of clinical pharmacology

authors： Fisken RA,Wilkinson R,Heath DA

更新日期：1982-11-01 00:00:00

abstract：:1 Minute ventilation, alveolar PCO2, CO2 production and heart rate were measured in eight normal subjects before and during infusions of noradrenaline 0.2, 1.0 and 5.0 micrograms min-1 and isoprenaline 0.04, 0.2 and 1.0 microgram min-1. 2 These measurements were repeated after propranolol 3.5 mg, atenolol 8 mg or meto...

journal_title：British journal of clinical pharmacology

authors： Butland RJ,Pang JA,Geddes DM

更新日期：1982-11-01 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：:Six human volunteers were each given single oral doses of aspirin (ASA) ranging from 300-1,500 mg. The unchanged ASA excreted in the urine was proportional to dose and urinary pH. The mean percent (+/- s.d.) of dose excreted was 1.9 +/- 0.67. The clearance for ASA was 1.42 +/- 0.28 1/h. The rate of in vitro hydrolysis...

journal_title：British journal of clinical pharmacology

authors： Elliot Cham B,Dykman JH,Bochner F

更新日期：1982-10-01 00:00:00

abstract：:1 The rate of methaqualone metabolism in women was shown to be significantly increased at the time of ovulation. 2 The apparent first order rate constants for the formation of five C-monohydroxy metabolites of methaqualone on day 15 of the menstrual cycle were approximately double that on day 1. 3 The N-oxidation of m...

journal_title：British journal of clinical pharmacology

authors： Wilson K,Oram M,Horth CE,Burnett D

更新日期：1982-09-01 00:00:00

abstract：:Eleven patients with stable rheumatoid disease (RD) who were receiving regular corticosteroid therapy (CS) were investigated to discover the effect on plasma prednisolone levels of additional therapy with the non-steroidal anti-inflammatory (NSAI) drugs, indomethacin and naproxen. There was a highly significant (P les...

journal_title：British journal of clinical pharmacology

authors： Rae SA,Williams IA,English J,Baylis EM

更新日期：1982-09-01 00:00:00

abstract：:We studied the effect of 3 weeks' treatment with 4 x 200 mg of sulphinpyrazone daily (six healthy volunteers) on proaggregatory thromboxane A2 (TxA2) and antiaggregatory prostacyclin (PGI2). Platelet TxA2 production was evaluated by measuring its stable metabolite, immunoreactive thromboxane B2, from serum, and vessel...

journal_title：British journal of clinical pharmacology

authors： Viinikka L,Toivanen J,Ylikorkala O

更新日期：1982-09-01 00:00:00