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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 38 (1990), S. 189-193 
    ISSN: 1432-1041
    Keywords: estramustine phosphate ; prostatic cancer ; gastrointestinal absorption ; food intake ; calcium ; drug interaction ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The effect of milk and food on the pharmacokinetics of estramustine phosphate was investigated in six patients with prostatic cancer. In a randomized three-way cross-over study, the patients were given single doses of the drug together with low calcium water, low calcium food and milk. The evaluation was based upon the plasma concentration of two metabolites, estromustine and estrone, as parent drug could not be detected in plasma. The tmax and lag time of estromustine were significantly increased by milk and food intake and Cmax and AUC were significantly decreased. In comparison with water, the AUC of estromustine was 41% when the drug was taken with milk and 67% after simultaneous intake of standardized food. Corresponding figures for the peak values were 32 and 57%, respectively. The effect of milk and food intake on the pharmacokinetics of estrone was similar. Studies in vitro demonstrated that the dissolution of estramustine phosphate disodium was markedly impaired in the presence of calcium. It was concluded that the rate and extent of absorption of estramustine phosphate were decreased when the drug was taken with milk or food due to the formation of a poorly absorbable calcium complex. To obtain high and reproducible absorption of Estracyt®, the drug should not be taken together with milk, milk products or other calcium-rich food or drugs.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of clinical pharmacology 41 (1991), S. 11-16 
    ISSN: 1432-1041
    Keywords: Budesonide ; Prednisolone ; calcium ; phosphate ; healthy volunteers ; osteoporosis ; mineral metabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary In a randomized, double-blind crossover study, the effects of 0.8, 1.6 and 3.2 mg/day inhaled budesonide and 5, 10 and 20 mg/day oral prednisolone on mineral metabolism were compared. Twelve healthy subjects (4 m, 8 f) were treated for 1 week at each dosage level, the graduated dosages being given in ascending order. Budesonide and prednisolone were given twice daily and once daily, respectively, which reflects the schedules common in clinical practice. Serum calcium and the regulatory hormones of calcium metabolism (parathyroid hormone, vitamin D metabolites and calcitonin) were not changed either by prednisolone or budesonide. Prednisolone significantly increased 24 h and 08.00 h fasting urinary calcium excretion and decreased renal calcium reabsorption, while budesonide had little or no effect on urinary calcium loss and increased renal reabsorption at the highest dose level. Both drugs significantly increased renal phosphate reabsorption and serum phosphate levels, but prednisolone caused greater increases than budesonide. In conclusion, during short-term treatment with the dosages used, inhaled budesonide had less effect on calcium and phosphate metabolism than oral prednisolone, and so it may have a lesser action on the skeleton of the type contributing to osteoporosis during long-term treatment.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1041
    Keywords: Key words Drug prescription ; Hypnotics ; Neuroleptics ; Antidepressants; pharmacoepidemiology ; socioeconomic conditions ; mortality ; suicide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Abstract Objective: This study analyses the correlation between the Swedish underprivileged area score and sales of tranquillizers, hypnotics/sedatives, neuroleptics and antidepressants, and the correlation between these sales and mortality and suicide rates, with the aim of using sales data to identify areas with poor socioeconomic conditions. Setting: Southern Sweden, 33 municipalities in Skåne, 1987 and 1994. Design: Ecological study. Determined and undetermined cases of suicide were taken from the local death register for the years 1987–1993. Suicide rates (determined and undetermined cases) were calculated as the ratio between observed and expected number of suicides. Mortality for people aged 20–64 years was calculated from life tables for the decade 1981–1990. The underprivileged area score was calculated for municipalities using the proportion of persons in the following groups: elderly living alone, under 5 years of age, one-parent families, unskilled, unemployed, living in crowded households, those moving house in the previous year, and ethnic groups. After transformation (√arc sine) and standardization, each of the eight variables was weighted by the British general practitioners average weighting and added to give the underprivileged area score. The selection of the eight variables was based on general practitioners´ perceptions of the effect of the social characteristics of the populations in their respective residential areas on their workload or pressure on services. The total drug sales figures for tranquillizers, hypnotics/sedatives, neuroleptics and antidepressants are expressed in Defined Daily Doses per 1000 inhabitants per day. The relationship between these variables was analysed using Pearson´s correlation coefficient. Results: There was a moderate correlation (0.41–0.68) between the sales expressed as in Defined Daily Doses per 1000 inhabitants per day of tranquillizers and hypnotics/sedatives and underprivileged area score. Furthermore, the sales of tranquillizers and hypnotics/ sedatives seemed to be moderately correlated with both mortality (0.44–0.67) and suicide (0.47–0.58). Conclusion: Sales of tranquillizers or hypnotics/sedatives could be used with caution as markers for socio-economic conditions on the basis of their moderate ecological correlation with a composite socioeconomic index such as the Swedish underprivileged area score and their moderate correlation with mortality and suicide.
    Type of Medium: Electronic Resource
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