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  • Electronic Resource  (2)
  • piroxicam  (1)
  • prednisolone  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 39 (1990), S. 583-586 
    ISSN: 1432-1041
    Keywords: ranitidine ; piroxicam ; interaction ; pharmacokinetics ; healthy volunteers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The effects of piroxicam (40 mg) on the pharmacokinetics of ranitidine (150 mg) and of ranitidine (150 mg bid) on the pharmacokinetics of piroxicam (20 mg) were assessed in two 2-way crossover studies in two groups of 18 healthy male subjects. In the first study there were no statistically significant differences between the pharmacokinetic variables for ranitidine in the presence or absence of piroxicam. The mean maximum plasma concentration (Cmax) was 467 ng·ml−1 for ranitidine alone and 466 ng·ml−1 in the presence of piroxicam; mean area under the plasma concentration vs time curve (AUC) was 2460 h·ng ml−1 and 2551 h·ng ml−1 respectively; and the mean terminal half-life (t 1/2) was 3.6 h and 3.8 h respectively. In the second study there were no statistically significant differences between the pharmacokinetic variables for piroxicam in the presence or absence of ranitidine. The mean Cmax was 2.1 μ·ml−1 in the presence of placebo and 2.0 μg·ml−1 in the presence of ranitidine respectively; mean AUC was 133 h·μg ml−1 and 137 h·μg ml−1 respectively, and the mean t 1/2 was 53.6 h and 54.5 h respectively.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1041
    Keywords: prednisolone ; betamethasone ; rheumatoid arthritis ; adrenal suppression ; chronic dosage ; anti-inflammatory activities
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary 1. Two oral corticosteroids, prednisolone (8 mg/day) and betamethasone (1 mg/day) have been compared in terms of efficacy and adrenal suppressive activity when used in chronic oral dosage in rheumatoid arthritis. 2. 20 patients were entered to a single blind crossover study receiving each drug for a two-week period. Clinical and laboratory assessments were performed. 3. At this dosage there was no significant difference between any of the clinical parameters assessed for either drug though patient preference was 13 for prednisolone and 7 for betamethasone. 4. At this dosage adrenal suppression was not equivalent, being significantly more marked with betamethasone. 5. The results suggest that prednisolone is the drug of choice for chronic dosage.
    Type of Medium: Electronic Resource
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