Abstract:
:Jejunal perfusion was performed in 12 healthy volunteers to evaluate the dose dependent effects of loperamide on intestinal absorption, stimulated secretion and transit. In 6 volunteers intestinal perfusion of the jejunal segment with isotonic NaCl solution was followed by addition of loperamide in increasing doses (2-8 mg.l-1). The volunteers were pretreated with 1 mg.l-1 prostaglandin E2 (PgE2) in the perfusate before addition of 4 mg.l-1 loperamide. Phenolsulphonphtalein (PSP) boluses (2 ml) were given to measure mean transit time (MTT). Loperamide 2 mg.l-1 converted the minor secretion after perfusion with the standard solution (water -145 ml.min-1, Na -0.09 and Cl -0.04 mmol.min-1) to absorption (water 0.93 ml.min-1, Na 0.23, Cl 0.25 mmol.min-1) within 15 min. Higher doses of loperamide did not increase absorption. The addition of PgE2 induced net secretion of water (-4.48 ml.min-1) and electrolytes (Na -0.57, Cl -0.51 mmol.min-1). Loperamide 4 mg.l-1 significantly diminished the PgE2-induced net secretion by approximately 50%. Loperamide dose dependently increased the MTT from 6 (2 mg.l-1) to 13.3 min (8 mg.l-1). MTT was still delayed 60 min after a wash out period (10.5 min). It is concluded that loperamide had a dual effect or intestinal activities stimulating absorption and prolonging intestinal transit time with rising doses.
journal_name
Eur J Clin Pharmacoljournal_title
European journal of clinical pharmacologyauthors
Press AG,Ewe K,Schmidt J,Junge Hdoi
10.1007/BF00315436subject
Has Abstractpub_date
1991-01-01 00:00:00pages
239-43issue
3eissn
0031-6970issn
1432-1041journal_volume
41pub_type
杂志文章abstract::Ple 1053 (Azosemid) is a diuretic which resembles furosemide chemically and in its mode of action. When administered intravenously, Ple 1053 was approximately 5 times more potent on a weight basis than furosemide, its dose-response relationship was closer and the slope was steeper. After oral administration Ple 1053 a...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/BF02089953
更新日期:1978-11-27 00:00:00
abstract::The effect of a single dose of carbamazepine (CBZ), 10 mg kg-1, on a battery of simple psychomotor tests was investigated in 12 healthy subjects (6 male, 6 female) in a balanced randomised double blind placebo controlled cross-over study. Psychomotor testing and blood sampling for total and free plasma CBZ, and CBZ 10...
journal_title:European journal of clinical pharmacology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1007/BF00614193
更新日期:1986-01-01 00:00:00
abstract:BACKGROUND:Sequential and concomitant therapies are two innovative therapies for Helicobacter pylori (H. pylori) eradication. However, the comparative efficacy and safety of these treatments are controversial. Therefore, we aimed to conduct an updated systematic review and meta-analysis of studies that compared these t...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章,meta分析,评审
doi:10.1007/s00228-017-2347-7
更新日期:2018-01-01 00:00:00
abstract::It is uncertain as to the extent which gastrointestinal (GI) haemorrhage related to NSAIDs is due to a local, topical effect or to an action related to systemic absorption. We hypothesised that, should systemic drug concentrations be of importance, plasma levels of NSAIDs might be higher in patients who had developed ...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/BF00316464
更新日期:1993-01-01 00:00:00
abstract:OBJECTIVE:To study the distribution of the thiopurine methyltransferase (TPMT) genotype among azathioprine (Aza)-tolerant and -intolerant patients with various disorders, and to investigate a possible relationship with the Aza metabolite levels. METHODS:Forty-six Aza-tolerant and six Aza-intolerant patients had the TP...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章,多中心研究
doi:10.1007/s00228-003-0698-8
更新日期:2004-01-01 00:00:00
abstract:OBJECTIVE:This paper describes a method to determine the number of patients and the number of blood levels which are appropriate for a pharmacokinetic population analysis. METHODS:We studied this question by performing 203 runs of population analysis, using the NPEM algorithm with a one compartment model, starting wit...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/s002280050199
更新日期:1996-01-01 00:00:00
abstract:PURPOSE:To explore and compare the opinions of physicians, pharmacists and potential users on the readability of a package insert of an over-the-counter medicine. METHODS:Exploratory study based on the administration of a semi-open questionnaire. This instrument was developed according to the readability guideline of ...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/s00228-014-1645-6
更新日期:2014-05-01 00:00:00
abstract::Data on forged prescriptions in Sweden in 1982-1986 were studied as an indicator in an epidemiological survey of medication abuse. The annual number of prescription forgeries doubled during the 5-year period. Psychotropic drugs accounted for 62% and analgesics for 25% of all forgeries. Benzodiazepines were the major s...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/BF00637747
更新日期:1989-01-01 00:00:00
abstract::A new device for IV admixtures has been developed in Israel, the Vialink minibag. It consists of a partly filled minibag, attached by rubber tubing to a sterile receptable into which various types of vials containing drugs can be firmly inserted. Time and motion studies were conducted to determine the time and cost as...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/BF00194973
更新日期:1994-01-01 00:00:00
abstract:OBJECTIVE:To evaluate the effect of the CYP2D6 genotype on the pharmacokinetics of tropisetron in healthy Korean subjects. METHODS:A single 5-mg capsule of tropisetron was administered orally to 13 healthy subjects. Plasma concentrations were determined by validated HPLC procedures and data were analyzed by using nonc...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/s00228-003-0595-1
更新日期:2003-06-01 00:00:00
abstract:OBJECTIVES:To compare plasma levodopa concentrations after repeated doses of levodopa/carbidopa/entacapone (LCE) and levodopa/carbidopa (LC). METHODS:Open-label, randomized, two-period, active-controlled, cross-over study with four dosing regimens: groups I and II (healthy volunteers and Parkinson's disease patients) ...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00228-009-0622-y
更新日期:2009-05-01 00:00:00
abstract::Interaction of the main metabolites of diazepam and chlordiazepoxide with alcohol was measured in two subacute double-blind cross-over experiments on 40 healthy, young volunteers. The drugs were administered for two week periods. The variables measured were choice reaction time and accuracy, eye-hand co-ordination, di...
journal_title:European journal of clinical pharmacology
pub_type: 临床试验,杂志文章
doi:10.1007/BF00644607
更新日期:1978-07-30 00:00:00
abstract:PURPOSE:To investigate pharmacokinetics (PK) of encapsulated CPT-11, released CPT-11 and the active metabolite SN-38 following administration of IHL-305 and to identify factors that may influence IHL-305 PK. METHODS:Plasma samples from 39 patients with solid tumors were collected in a phase I study. IHL-305 was admini...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/s00228-013-1580-y
更新日期:2013-12-01 00:00:00
abstract::Investigations were undertaken to evaluate which uraemic solutes decrease drug protein binding. This was done by performing HPLC-fractionation of uraemic biological fluids and studying the effect of addition of a lyophilisate of each fraction to normal plasma containing standard quantities of radiolabelled drugs. From...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章,评审
doi:10.1007/BF01428386
更新日期:1993-01-01 00:00:00
abstract:PURPOSE:Until recently, ondansetron was approved for the prevention of nausea and vomiting only in patients older than 2 years. However, as the use of ondansetron in patients younger than 2 years had been documented, characterization of ondansetron pharmacokinetics in this younger pediatric age group was warranted. ME...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章,多中心研究
doi:10.1007/s00228-009-0730-8
更新日期:2010-01-01 00:00:00
abstract::The duration of action of tiapamil was assessed in ten patients with stable exertional angina. Maximal symptom-limited treadmill exercise electrocardiography was performed before and at 1, 3, 6 and 9 h after therapy. Significant differences were only found at 1 h after tiapamil with increases in mean exercise duration...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/BF00543965
更新日期:1987-01-01 00:00:00
abstract:PURPOSE:The aims of the present analysis were to determine prevalence of transaminase elevation in placebo-treated healthy volunteers in our historical phase I clinical trials and to assess which factors were associated with it. METHODS:We performed a retrospective analysis of alanine transaminase (ALT) levels in 481 ...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/s00228-009-0684-x
更新日期:2009-10-01 00:00:00
abstract::This study assessed the influence of acetylsalicylic acid (ASA, 1.0 g), ibuprofen (0.8 g) and paracetamol (1.0 g) on the single-dose kinetics of ethanol in 12 healthy volunteers ingesting the drug and a standardised 1840-kJ breakfast 1 h before intake of ethanol. It also assessed the influence of ethanol on the single...
journal_title:European journal of clinical pharmacology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1007/BF00192741
更新日期:1995-01-01 00:00:00
abstract::Seven healthy women chronically (greater than 6 months) treated with oral contraceptives and 7 age- and weight-matched female controls were studied. Each subject was given 20 mg fluocortolone orally and the plasma concentrations of total and unbound fluocortolone in multiple samples obtained during the following 24 h ...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/BF00555517
更新日期:1988-01-01 00:00:00
abstract:PURPOSE:Oncological patients are at increasing risk of QT prolongation, a risk factor for ventricular arrhythmia. We assessed impact and risk factors for corrected QT (QTc) prolongation during multiple-cycle chemotherapy. METHODS:We enrolled 100 outpatients initiating chemotherapy in a university center specializing i...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/s00228-015-1874-3
更新日期:2015-08-01 00:00:00
abstract::Five epileptic women needing to commence phenytoin therapy during pregnancy received a single intravenous and a single oral dose of phenytoin several days apart before starting regular intake of the drug. Plasma phenytoin concentration - time data were analysed by three different pharmacokinetic techniques. However as...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:
更新日期:1984-01-01 00:00:00
abstract::Drug shortages in developed countries pose a serious public health problem and have far-reaching implications for healthcare providers and their patients. Given the current state of the market, with the limited number of manufacturers and the array of manufacturing quality issues, drug shortages have become a global c...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章,评审
doi:10.1007/s00228-014-1747-1
更新日期:2014-12-01 00:00:00
abstract::The plasma levels and myocardial content of verapamil and its metabolites norverapamil, N-dealkylverapamil and N-dealkylnorverapamil were determined in 15 patients with valvular [3] or ischaemic [12] heart disease. The mean myocardial plasma concentration ratio (M/P) was 7.05 for verapamil, 11.45 for norverapamil, 8.9...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/BF00607910
更新日期:1985-01-01 00:00:00
abstract:AIM:The investigations reported here aimed to evaluate the incremental benefit for dose finding by concentration-response analysis versus dose-response analysis. METHODS:Trials were simulated using an Emax model for a range of scenarios of drug properties, trial design options and target response levels. The simulated...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/s00228-013-1474-z
更新日期:2013-07-01 00:00:00
abstract::Amitriptyline has clinically important interactions with ethanol. Five healthy volunteers received 25 mg of amitriptyline orally, preceded by one hour and followed for eight hours by oral ethanol (or juice), dosed to achieve and maintain blood ethanol concentrations of 800 mg/l. In the presence of ethanol, amitriptyli...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/BF01037943
更新日期:1983-01-01 00:00:00
abstract:PURPOSE:Perhexiline is a prophylactic anti-ischaemic agent with weak calcium antagonist effect which has been increasingly utilised in the management of refractory angina. The metabolic clearance of perhexiline is modulated by CYP2D6 metaboliser status and stereoselectivity. The current study sought to (1) determine wh...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00228-015-1934-8
更新日期:2015-12-01 00:00:00
abstract:OBJECTIVES:To investigate the risk factors for noncompliance in elderly home-care recipients; and to evaluate to what extent regular home visits and drug counseling by a pharmacist contribute to compliance. SUBJECTS:One hundred and sixty-three elderly home-care recipients aged 62 years and over took part in this study...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/s002280050609
更新日期:1999-04-01 00:00:00
abstract::The pharmacokinetics of i.v. chloramphenicol succinate and oral chloramphenicol palmitate were studied in Ethiopian children with different nutritional states. In children with kwashiorkor the plasma clearance of chloramphenicol was significantly lower than in children of normal weight (4.16 ml/min/kg versus 7.53 ml/m...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/BF00607094
更新日期:1983-01-01 00:00:00
abstract:OBJECTIVE:The efficacy of beta-adrenergic blocking agents and acetylsalicylic acid in the secondary prevention of myocardial infarction has been well recognized since the beginning of the 1980s. In a previous paper, however, we reported a lower than expected use of these drugs during the period 1982 1988. In 1989 the r...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/s002280050446
更新日期:1998-05-01 00:00:00
abstract:OBJECTIVE:To assess the effect of an intervention on general practitioners' (GPs) knowledge about the diagnosis and treatment of asthma, including the prescribing of anti-asthmatic drugs, and asthmatic patients' knowledge about their disease. METHODS:The study took place in the south-west region of Stockholm County. I...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/s002280050361
更新日期:1997-01-01 00:00:00