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  • 1
    Electronic Resource
    Electronic Resource
    The effect of propranolol on urinary prostaglandin E2 after frusemide administration in healthy subjects (1987)
    Springer
    European journal of clinical pharmacology 31 (1987), S. 605-607 
    Details
    ISSN: 1432-1041
    Keywords: propranolol ; prostaglandin E2 ; frusemide ; plasma renin activity ; healthy volunteers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary We have evaluated the effect of propranolol on urinary prostaglandin E2 (PGE2) excretion after frusemide administration in 8 healthy subjects. Urine was collected for 60 min after frusemide administration (20 mg intravenously) with or without propranolol pretreatment, and urinary excretion of PGE2, frusemide, and sodium were determined. Plasma renin activity (PRA) was also measured before and 60 min after frusemide administration. Urinary PGE2 excretion after frusemide administration and frusemide-stimulated PRA were reduced after propranolol pretreatment. However, urine volume and the urinary excretion of frusemide and sodium were not influenced by propranolol pretreatment. These results suggest that urinary PGE2 excretion after frusemide administration may be reduced by propranolol and that the mechanism responsible for the effect of proranolol on the frusemide-induced renal PGE2 production may be, at least in part, secondary to inhibition of the renin-angiotensin system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00606639
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of diltiazem on the pharmacokinetics of propranolol, metoprolol and atenolol (1989)
    Springer
    European journal of clinical pharmacology 36 (1989), S. 67-70 
    Details
    ISSN: 1432-1041
    Keywords: diltiazem ; propranolol ; metoprolol ; atenolol ; pharmacokinetics ; drug interaction ; beta-adrenoceptor blockade ; healthy volunteers ; pharmacodynamic effect
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The pharmacokinetic interaction between diltiazem and three β-adrenoceptor blockers propranolol, metoprolol and atenolol was investigated in healthy volunteers given diltiazem 30 mg or placebo t.d.s. for 3 days, followed by a single dose of propranolol 20 mg, metoprolol 40 mg or atenolol 50 mg. The AUCs of propranolol and metoprolol were significantly increased after diltiazem and it significantly prolonged the elimination half-life of metoprolol. In contrast, it did not significantly affect the pharmacokinetics of atenolol. Propranolol significantly decreased the resting pulse rate after diltiazem pretreatment as compared to placebo. The results indicate that diltiazem impaired the clearance of propranolol and metoprolol, which are principally metabolized by an oxidative pathway, and that the kinetic interaction between diltiazem and propranolol may partly be related to the significant reduction in the pulse rate produced by the latter.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00561026
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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