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Related Experiment Videos

Treating delusional depressives with amitriptyline.

D G Spiker, R S Dealy, I Hanin

    The Journal of Clinical Psychiatry
    |May 1, 1986
    PubMed
    Summary
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    This study found that higher plasma levels of amitriptyline and nortriptyline were linked to better treatment response in delusional depression. However, delusions themselves may indicate a poorer prognosis with tricyclic antidepressants.

    Area of Science:

    • Psychiatry
    • Clinical Pharmacology

    Background:

    • Delusional depression is a subtype of major depressive disorder.
    • Treatment outcomes for delusional depression with tricyclic antidepressants (TCAs) are variable.

    Purpose of the Study:

    • To investigate the efficacy of amitriptyline in treating delusional depression.
    • To explore factors influencing treatment response, including plasma drug levels and clinical characteristics.

    Main Methods:

    • Thirty-five patients with delusional depression received amitriptyline for 28 or 35 days.
    • Demographic and clinical characteristics were assessed.
    • Plasma levels of amitriptyline and its metabolite, nortriptyline, were measured.

    Main Results:

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  • No significant differences were found between responders and non-responders in demographic or clinical features.
  • Patients achieving amitriptyline+nortriptyline plasma levels above 250 ng/ml showed a significantly higher likelihood of response (p < .05).
  • Literature review indicated delusions can predict poor response to TCAs.

    • Conclusions:

    • Achieving adequate plasma concentrations of amitriptyline and nortriptyline may be crucial for treatment success in delusional depression.
    • The presence of delusions, despite potential response to TCAs, may still signify a challenging-to-treat condition.