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  • 1
    Digitale Medien
    Digitale Medien
    Lack of interaction of ranitidine with amitriptyline (1987)
    Springer
    European journal of clinical pharmacology 32 (1987), S. 317-320 
    Details
    ISSN: 1432-1041
    Schlagwort(e): ranitidine ; amitriptyline ; drug interaction ; pharmacokinetics
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Medizin
    Notizen: Summary The possibility of an interaction of ranitidine with amitriptyline was assessed by means of amitriptyline and nortriptyline plasma concentration measurements, blood pressure and pulse rate, digit symbol substitution, and visual analogue scales. Ranitidine had no effect on amitriptyline or nortriptyline concentrations. Responses recorded by the digit symbol substitution and visual analogue scale tests correlated with changes in concentrations of amitriptyline and nortriptyline in plasma. No effects on blood pressure or pulse rate were observed. We concluded that there was no effect of ranitidine on amitriptyline kinetics or response in the conditions of our study.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00607582
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Desipramine and 2-hydroxy-desipramine pharmacokinetics in normal volunteers (1981)
    Springer
    European journal of clinical pharmacology 19 (1981), S. 61-64 
    Details
    ISSN: 1432-1041
    Schlagwort(e): desipramine ; tricyclic antidepressant ; pharmacokinetics
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Medizin
    Notizen: Summary Disposition characteristics of desipramine and its metabolite, 2-hydroxy-desipramine, were determined in four healthy male volunteers following an oral 50 mg dose of desipramine. Nonlinear least-squares regression of concentration-time data indicated that parent drug disposition could be described by a one-compartment open pharmacokinetic model for two subjects and by a two-compartment model for two subjects. The early appearance of 2-hydroxydesipramine and its high peak concentrations indicates that desipramine probably undergoes pre-systemic elimination partly through formation of 2-hydroxy-desipramine. The substantial production of 2-hydroxy-desipramine, as reflected by the area under its concentration-time curve which was 51% to 94% of that for desipramine, indicates that accumulation will occur following multiple dosing. As 2-hydroxy-desipramine may possess antidepressant activity, future studies designed to assess the therapeutic effect of desipramine should account for the presence of its pharmacologically active metabolite.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00558386
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  • 3
    Digitale Medien
    Digitale Medien
    Cimetidine interaction with amitriptyline (1985)
    Springer
    European journal of clinical pharmacology 29 (1985), S. 429-433 
    Details
    ISSN: 1432-1041
    Schlagwort(e): amitriptyline ; cimetidine ; pharmacokinetic interaction ; psychomotor skills ; cardiovascular effects ; nortriptyline
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Medizin
    Notizen: Summary The interaction of cimetidine with amitriptyline was assessed by means of amitriptyline and nortriptyline plasma concentration measurements, standing blood pressure and pulse rate, digit symbol substitution, and visual analogue scales. Cimetidine increased plasma amitriptyline concentrations and decreased plasma nortriptyline concentrations, apparently by inhibiting presystemic metabolism. The changes in blood pressure, pulse rate and digit symbol substitution correlated with changes in concentrations of amitriptyline in plasma and expected changes based on a dose ranging preliminary experiment. Changes in subjective ratings of effects correlated with changes in nortriptyline concentrations in plasma.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00613457
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