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  • 1
    Electronic Resource
    Electronic Resource
    A good read (1981)
    [s.l.] : Nature Publishing Group
    Nature 293 (1981), S. 602-602 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - That science is more complex that it was fifty years ago is reflected in the fragmentation of subjects into more and more specialities, each requiring at least one journal of its own to lend an air of respectability. The hard-pressed scientist wishing to keep a tenuous grasp on the broad ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/293602d0
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  • 2
    Electronic Resource
    Electronic Resource
    The influence of food on the absorption of diclofenac as determined by the urinary excretion of the unchanged drug and its major metabolites during chronic administration (1981)
    Springer
    European journal of clinical pharmacology 19 (1981), S. 39-44 
    Details
    ISSN: 1432-1041
    Keywords: diclofenac ; metabolites ; urinary excretion ; food ; absorption ; chronic administration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Six healthy subjects took diclofenac as an enteric-coated preparation twice daily for 17 days under the following conditions: (i) fasting, (ii) 15 min before a meal, and (iii) immediately after a meal. Urine specimens were collected on two separate days of each regimen and diclofenac and its total monohydroxylated metabolites measured. Statistical analysis of the excretion of diclofenac and its metabolites showed that, during chronic administration, absorption was not significantly influenced by dosing before or after food. The absorption pattern after both these modes of administration was comparable to that obtained under fasting conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00558382
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A study of the effect of aspirin on the pharmacokinetics of oral and intravenous diclofenac sodium (1980)
    Springer
    European journal of clinical pharmacology 18 (1980), S. 415-418 
    Details
    ISSN: 1432-1041
    Keywords: diclofenac ; acetyl salicylic acid ; intravenous bolus administration ; oral administration ; interaction ; bioavailability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Previous studies have shown that aspirin interacts with orally administered diclofenac sodium, causing reduced peak concentrations, lower levels and decreased areas under curves. In this study, diclofenac sodium was administered orally and intravenously with and without aspirin, to 6 healthy female volunteers. After intravenous dosing both plasma levels and areas under curves were significantly reduced although none of the rate constants was affected. The volume of distribution of diclofenac was increased as was the plasma clearance. Oral administration with aspirin also resulted in lower plasma levels, particularly peak levels, and areas under curves. Comparison of AUC's for both modes of administration with and without aspirin suggested that lower levels after oral administration were not due to impaired absorption. These observations are best explained by decreased protein binding and increased biliary excretion of diclofenac in the presence of salicylate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00636795
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  • 4
    Electronic Resource
    Electronic Resource
    The influence of food on the absorption of diclofenac after single and multiple oral doses (1981)
    Springer
    European journal of clinical pharmacology 19 (1981), S. 33-37 
    Details
    ISSN: 1432-1041
    Keywords: diclofenac sodium ; enteric-coating ; food ; absorption ; plasma levels ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary A single dose of enteric-coated diclofenac sodium was taken fasting and immediately after a standard breakfast by twelve healthy volunteers. A considerable delay in the onset of absorption was observed, non-fasting, varying from 2.5 to 12 h compared with 1.5 to 2.75 h when fasting. Peak plasma concentrations were reduced after food but areas under plasma concentration-time curves were comparable. Six subjects then took part in a study involving single and repeated dosing under fasting and non-fasting conditions. As before, prolonged and variable delays were observed when the enteric-coated tablets were taken after food. On repeated dosing, maximum plasma concentrations were reached after 6 h non-fasting compared with 2.5 h fasting. Peak plasma levels were, however, similar.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00558380
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  • 5
    Electronic Resource
    Electronic Resource
    The pharmacokinetics of diclofenac sodium in patients with active rheumatoid disease (1982)
    Springer
    European journal of clinical pharmacology 21 (1982), S. 331-334 
    Details
    ISSN: 1432-1041
    Keywords: diclofenac sodium ; rheumatoid disease ; healthy subjects ; serum albumin ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Pharmacokinetic data for diclofenac sodium has been well established in healthy volunteers, whereas in patients with rheumatoid arthritis very little information is available in the literature. A single oral dose of enteric-coated diclofenac sodium was given to 10 patients with active rheumatoid disease, adopting the same procedures used for a group of 10 healthy volunteers in whom pharmacokinetic data was already available. Plasma specimens were collected over a period of 8h following administration and concentrations of diclofenac determined by GLC. Resulting plasma concentration curves were similar to those obtained in the healthy subjects in that areas under curves and terminal half-lives were comparable. However, peak concentrations of diclofenac were significantly reduced in the rheumatoid patients. The lower peak concentrations were correlated with the lower serum albumin levels in the patients which are associated with active rheumatoid disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00637622
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  • 6
    Electronic Resource
    Electronic Resource
    Variability of beta-blocker pharmacokinetics in young volunteers (1982)
    Springer
    European journal of clinical pharmacology 23 (1982), S. 37-42 
    Details
    ISSN: 1432-1041
    Keywords: metoprolol ; propranolol ; oxprenolol ; pharmacokinetics ; acetubolol ; diacetolol ; oral contraceptive
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Plasma concentrations of metoprolol, propranolol oxprenolol, acebutolol and its metabolite diacetolol were measured after single oral doses in young healthy volunteers. In order to assess the inter-and intra-subject variability the following pharmacokinetic parameters were compared: AUC o 24 , Cmax, tmax and t1/2. The smallest variation in inter-subject variability was seen with oxprenolol and acebutolol: intrasubject variability was more uniform. Female volunteers taking an oral contraceptive generally had higher AUC o 24 and Cmax values than those not. This finding reached statistical significance only for metoprolol AUC o 24 .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01061375
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  • 7
    Electronic Resource
    Electronic Resource
    Statistical analysis of polymorphic drug metabolism data using the Rosin Rammler Sperling Weibull distribution (1983)
    Springer
    European journal of clinical pharmacology 25 (1983), S. 443-448 
    Details
    ISSN: 1432-1041
    Keywords: statistical analysis ; pharmacogenetics ; metoprolol ; acebutolol ; isoniazid ; sparteine ; debrisoquine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The Rosin Rammler Sperling Weibull distribution and its use in the analysis of complex data is explained with reference to metoprolol and acebutolol AUC values and isoniazid plasma concentrations. The technique is then applied to sparteine and debrisoquine data to resolve populations into distinct sub-groups. Goodness of fit is measured by applying the X 2 test to the untransformed data. The method is simple to use and sub-groups can be identified rapidly. Each sub-group can be characterised by a simple exponential equation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00542108
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  • 8
    Electronic Resource
    Electronic Resource
    Variability of plasma drug concentrations: Some observations (1983)
    Springer
    European journal of clinical pharmacology 25 (1983), S. 569-570 
    Details
    ISSN: 1432-1041
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00542131
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