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Related Experiment Videos

What to do if an initial antidepressant fails?

Roger S McIntyre1, Aleksandra Müller, Deborah A Mancini

  • 1Department of Psychiatry, University of Toronto, Ont. rmcintyr@uhnres.utoronto.ca

Canadian Family Physician Medecin De Famille Canadien
|May 6, 2003
PubMed
Summary

Family physicians can manage patients with depression not responding to initial treatment by exploring new strategies. Understanding relative treatment resistance is key for effective management of persistent depressive symptoms.

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Area of Science:

  • Clinical Psychiatry
  • Pharmacology
  • Evidence-Based Medicine

Background:

  • Initial antidepressant treatment fails to achieve full remission in a subset of depressed patients.
  • Many patients exhibiting treatment resistance may have been improperly diagnosed or inadequately treated.
  • Existing literature on treatment-refractory depression (TRD) primarily emphasizes medication, with fewer studies on psychosocial interventions.

Purpose of the Study:

  • To equip family physicians with practical strategies for managing patients with insufficient response to initial antidepressant therapy.
  • To highlight the importance of recognizing and addressing relative, rather than absolute, treatment resistance in depression.

Main Methods:

  • A literature search of MEDLINE and bibliographies was conducted.

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  • Studies were categorized based on evidence level, with a focus on identifying treatments for depression with insufficient response.
  • The review considered both medication and psychosocial approaches, as well as established augmentation strategies.

    • Main Results:

    • Established augmentation strategies for treatment-refractory depression include lithium salts and triidothyronine (T3).
    • Combination antidepressant therapy is frequently used despite limited supporting evidence.
    • Electroconvulsive therapy (ECT) is an option for TRD, but response rates are low, and relapse rates are high.

    Conclusions:

    • Family physicians require updated knowledge of management strategies for patients with inadequate response to initial antidepressant treatment.
    • Familiarity with newer approaches can help modify treatment outcomes for depressed patients.
    • Addressing relative treatment resistance through improved diagnosis and treatment application is crucial.