Abstract:
OBJECTIVE:To assess the effect of ciprofloxacin on the pharmacokinetics of ropivacaine. METHODS. In a double-blind, randomised, cross-over study, nine healthy volunteers were treated for 2.5 days with 500 mg oral ciprofloxacin or placebo twice daily. On day 3, they received a single dose of 0.6 mg/kg ropivacaine intravenously over 30 min. Ropivacaine, 3-hydroxyropivacaine (3-OH-ropivacaine), and (S)-2',6'-pipecoloxylidide (PPX) in venous plasma and urine were measured for up to 12 h and 24 h, respectively. RESULTS:Ciprofloxacin decreased the mean clearance (CL) of ropivacaine by 31% (P<0.05), with a considerable inter-individual variation (range from -52% to +39%). It also decreased the area under the plasma concentration-time curve (AUC) of 3-OH-ropivacaine by 38% (P<0.05) and urinary excretion of 3-OH-ropivacaine by 27% (P<0.05). Ciprofloxacin increased the AUC of PPX by 71% (P<0.01) and urinary excretion of PPX by 97% (P<0.01). CONCLUSION:Ciprofloxacin modestly decreased the mean ropivacaine CL by inhibiting the CYP1A2-mediated formation of 3-OH-ropivacaine. At the same time, the CYP3A4-mediated formation of PPX was increased. There was a marked inter-individual variation in the extent of the interaction, and, for some individuals, the concomitant use of ciprofloxacin with ropivacaine might produce toxic symptoms.
journal_name
Eur J Clin Pharmacoljournal_title
European journal of clinical pharmacologyauthors
Jokinen MJ,Olkkola KT,Ahonen J,Neuvonen PJdoi
10.1007/s00228-002-0540-8subject
Has Abstractpub_date
2003-02-01 00:00:00pages
653-7issue
10eissn
0031-6970issn
1432-1041journal_volume
58pub_type
临床试验,杂志文章,随机对照试验abstract::All forensic autopsy cases in southern Sweden in 1986-89 in which antidepressant drugs were found in the blood were assessed and the findings related to the sales of antidepressants as expressed as defined daily doses per 1,000 inhabitants per day. There was a total of 272 antidepressant-positive cases, which were div...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
doi:10.1007/BF00194393
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abstract:OBJECTIVE:Although the treatment of schizophrenia with many second generation antipsychotics is known to be associated with metabolic changes, such as hyperglycemia or hypercholesterolemia, the underlying mechanisms of these adverse reactions remain unclear. In light of the recent focus on the involvement of semicarbaz...
journal_title:European journal of clinical pharmacology
pub_type: 临床试验,杂志文章
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abstract::The comparative enzyme inducing effects of rifabutin and the chemically related drug rifampicin have been investigated in 8 normal subjects. Rifampicin 600 mg daily for 7 days caused considerable shortening of the antipyrine half-life and a marked increase in antipyrine clearance, associated with an increased rate of ...
journal_title:European journal of clinical pharmacology
pub_type: 杂志文章
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abstract::Migraine is the most common cause of vascular headache and a highly prevalent illness. In the last 20 years, the discovery of new agents has increased clinical research on migraine. In most of clinical trials that have been conducted, the efficacy was established using a placebo as a control treatment. The objective o...
journal_title:European journal of clinical pharmacology
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abstract::Serum concentrations of parathyroid hormone (s-PTH) calcium, phosphorus and alkaline phosphatase were measured during treatment with furosemide or bumetanide for congestive heart failure. Significant elevations both of s-PTH and alkaline phosphatase were found, whereas serum calcium concentration was decreased. The ch...
journal_title:European journal of clinical pharmacology
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abstract:PURPOSE:This study was performed to determine the oral pharmacokinetics (PK) of EV-077 and its effects on pharmacodynamic (PD) markers. EV-077 blocks prostanoid-induced and isoprostane-induced cellular activation, and is in development for the treatment of vascular inflammation and associated complications of type-2 di...
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abstract::To evaluate the possible effect of quinidine on digoxin bioavailability, the steady state digoxin kinetics was examined with and without concomitant quinidine therapy, in 7 cardiac patients after simultaneous administration of oral digoxin and intravenous [3H]-digoxin. In the presence of quinidine, the absorption rate...
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abstract::The beta-adrenoceptor blocking activity of the new Class Ic-antiarrhythmic drug diprafenone has been determined in man in comparison with that of propranolol, using the standardized isoproterenol test. Following placebo, the dose of isoproterenol which increased the heart rate by 25 beats.min-1 (CD25) was 0.84 (0.1-2....
journal_title:European journal of clinical pharmacology
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journal_title:European journal of clinical pharmacology
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journal_title:European journal of clinical pharmacology
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abstract:PURPOSE:SPT-07A is an intravenous injection of (+)-2-borneol being developed for the treatment of acute ischemic stroke. This study aimed to investigate the pharmacokinetics, pharmacodynamics, safety, tolerability, and mass balance of SPT-07A after sequentially administered single and multiple infusions of SPT-07A at 1...
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更新日期:2020-06-01 00:00:00
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journal_title:European journal of clinical pharmacology
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abstract:OBJECTIVE:To study the effect of cisplatin on plasma concentrations and urinary excretion of carnitine in ten patients with different malignancies treated with chemotherapy. METHODS:Carnitine concentrations were determined using a radioenzymatic assay and other metabolites by routine methods of clinical chemistry. Ren...
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abstract::The dose-response relationship of the new bronchodilator Clenbuterol (NAB 365, Boehringer Ingelheim) was tested in 12 patients with chronic obstructive lung disease. Clenbuterol is a beta-2-sympathicomimetic, from a series of substituted phenylethanolamines, and it is characterised by good absorption and prolonged act...
journal_title:European journal of clinical pharmacology
pub_type: 临床试验,杂志文章
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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...
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journal_title:European journal of clinical pharmacology
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journal_title:European journal of clinical pharmacology
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journal_title:European journal of clinical pharmacology
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journal_title:European journal of clinical pharmacology
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journal_title:European journal of clinical pharmacology
pub_type: 临床试验,杂志文章
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abstract:OBJECTIVE:To determine the possible interaction between the antihypertensive agent cicletanine and the hypoglycaemic drug tolbutamide. METHODS:Time-courses of glycaemia and serum immunoreactive insulin (IRI) were followed in 10 healthy subjects after two tolbutamide infusions in each volunteer; initially alone and 9 d...
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