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  • 1
    Digitale Medien
    Digitale Medien
    Springer
    European journal of clinical pharmacology 8 (1975), S. 107-113 
    ISSN: 1432-1041
    Schlagwort(e): Aspirin ; indomethacin ; plasma levels ; dissolution ; interaction ; toxicity
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Medizin
    Notizen: Summary Plasma indomethacin levels have been compared in 10 subjects following 100 mg of indomethacin from two different formulations, with similar disintegration and dissolution profiles. In four of these ten subjects plasma indomethacin levels were estimated after pretreatment with, and concurrent administration of, a buffered aspirin. The percentage of protein binding of indomethacin in the presence of salicylate was also estimated. No significant differences between peak plasma indomethacin levels with or without buffered aspirin were detected, but the rate of indomethacin absorption as shown by plasma levels, was significantly increased by pretreatment with and concurrent administration of, buffered aspirin. This was associated with a marked increase in side effects.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    European journal of clinical pharmacology 30 (1986), S. 313-317 
    ISSN: 1432-1041
    Schlagwort(e): theophylline ; aminophylline ; slow release formulations ; bronchial asthma ; pharmacokinetics ; methods of comparison
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Medizin
    Notizen: Summary The pharmacokinetics of two slow release theophylline preparations “Theo-Dur” (T) containing theophylline only and “Phyllocontin” (P) containing aminophylline have been compared in 12 patients with asthma. Each patient received both treatments in random order. The dose of treatment administered 12 hourly was increased or decreased to produce plasma theophylline concentrations of 10–20 mg/l at clinic visits normally 7 to 8 h after dosing. Pharmacokinetic studies were carried out after at least one week's treatment with this dose. After the first study day patients were crossed over to the second treatment at a dosage providing a similar amount of theophylline. They returned for a second study day after at least one week. Comparison of the dose corrected AUC, time to peak concentrations, within patient coefficients of variation (CV), number of concentration time points falling within 25% of Cmax and percentage fluctuations in plasma concentration showed no significant differences between the two preparations.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    European journal of clinical pharmacology 23 (1982), S. 435-440 
    ISSN: 1432-1041
    Schlagwort(e): erythromycin ; haemodialysis ; dosage adjustment ; pharmacokinetics ; protein-binding
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Medizin
    Notizen: Summary Erythromycin kinetics were studied in 17 patients with end stage renal failure treated with maintenance haemodialysis and 9 normal volunteers to discover if dialysis patients needed a modified dose. The elimination half life in dialysis patients (on dialysis days) was similar to that reported in normal subjects. Only small amounts of drug appeared in the dialysate, no patient loosing more than 9 mg in one dialysis. Both patients and volunteers had similar plasma concentrations 8 h after the end of a 5-day course. Protein-binding did not change significantly during dialysis and was similar to that reported in normal subjects. We conclude that dialysis patients requiring 1.5 g of erythromycin stearate daily or less can be given normal doses.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Springer
    European journal of clinical pharmacology 39 (1990), S. 405-407 
    ISSN: 1432-1041
    Schlagwort(e): Nifedipine ; antipyrine ; interaction
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Medizin
    Notizen: Summary The influence of 2 weeks oral intake of nifedipine (2×20 mg) on the oxidative metabolism of antipyrine was investigated in 12 normal volunteers, who had 1050 mg antipyrine solution orally before and after the course of nifedipine. There were no statistically significant differences in the saliva pharmacokinetic parameters of antipyrine on both occasions. However, the metabolite profile of antipyrine in urine showed a significant reduction in the amount of norantipyrine excreted after compared to that before nifedipine administration (16.5 vs 19.6%). This may have implications for drugs that share a similar demethylation pathway with norantipyrine.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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