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  • 1
    Electronic Resource
    Electronic Resource
    Intraindividual variability of paracetamol absorption kinetics after a semi-solid meal in healthy volunteers (1998)
    Springer
    European journal of clinical pharmacology 53 (1998), S. 355-359 
    Details
    ISSN: 1432-1041
    Keywords: Key words Paracetamol ; Absorption
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Abstract Objective: The absorption kinetics of paracetamol is dependent on gastric emptying and its measurement was proposed as a non-invasive method to estimate gastric emptying rate. The objective of this study was to evaluate the intraindividual variability of paracetamol absorption kinetics after a semi-solid meal. Methods: The pharmacokinetics of paracetamol was studied on two occasions in 15 healthy volunteers without Helicobacter pylori antibodies. A 1-g dose of paracetamol was given as a solution together with a standardised semi-solid meal and the subjects stayed in the supine position. Results: For most of the subjects, the time course of paracetamol concentrations was similar on the two occasions. The intraindividual variability was low, with coefficients of variation of 38.3%, 8.0% and 3.8% for time to maximum plasma concentration, maximum concentration and area under the plasma concentration – time curve until 6 h, respectively. Conclusion: The assessment of paracetamol absorption kinetics is reproducible when the drug is given together with a semi-solid meal in Helicobacter pylori-negative healthy subjects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002280050393
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A single dose of ursodiol does not affect cyclosporine absorption in liver transplant patients (1996)
    Springer
    European journal of clinical pharmacology 50 (1996), S. 335-337 
    Details
    ISSN: 1432-1041
    Keywords: Key words Cyclosporine ; Ursodiol; ursodeoxycholic acid ; absorption ; pharmacokinetics ; liver transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Abstract Objective: To study the possible influence of ursodiol (ursodeoxycholic acid), a hydrophilic bile acid, on cyclosporine (CsA) bioavailability. Methods: Seven adult liver transplant recipients participated in a randomised cross-over pharmacokinetic study comparing ursodiol (600 mg) with placebo in single doses. Blood concentrations of CsA were measured by HPLC. Results: There was no significant effect of ursodiol on CsA absorption: AUC was 5011 vs 5486 ng⋅h⋅ml–1, Cmax was 832 vs 871 ng⋅ml–1 and tmax was 2 vs 2 h, after ursodiol and placebo, respectively. Conclusion: Although a significant period effect was observed, we conclude that a single dose of ursodiol has little effect on CsA absorption in liver transplant patients and that an interaction in the intestinal lumen between these two drugs is unlikely.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002280050118
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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