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Related Experiment Videos

Preventing recurrent depression using cognitive therapy with and without a continuation phase: a randomized clinical

R B Jarrett1, D Kraft, J Doyle

  • 1The University of Texas Southwestern Medical Center, Department of Psychiatry, 5323 Harry Hines Blvd, Dallas, TX 75390-9149, USA.

Archives of General Psychiatry
|April 25, 2001
PubMed
Summary

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Continuation-phase cognitive therapy (C-CT) significantly reduces depressive relapse and recurrence in high-risk patients with recurrent major depressive disorder (MDD). Early onset and unstable remission indicate a greater need for C-CT.

Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Neuroscience

Background:

  • Cognitive therapy (CT) skills may prevent depressive relapse, but effectiveness varies.
  • Factors influencing CT's preventive impact remain unclear.
  • Continuation-phase CT (C-CT) was developed to enhance skill retention and prevent relapse in vulnerable patients.

Purpose of the Study:

  • To compare the efficacy of acute-phase CT (A-CT) with and without a continuation phase (C-CT) in preventing relapse.
  • To identify patient characteristics that predict the need for C-CT.
  • To evaluate the long-term durability of C-CT effects in recurrent major depressive disorder (MDD).

Main Methods:

  • A randomized trial involving 156 patients with recurrent MDD.
  • Participants received 20 sessions of A-CT.

Related Experiment Videos

  • 84 unmedicated responders were randomized to 8 months of C-CT or a control group (evaluation only).
  • Relapse and recurrence were assessed by a blinded clinician over 24 months.

    • Main Results:

    • C-CT significantly reduced relapse rates compared to control during the 8-month continuation phase (10% vs. 31%).
    • Over 24 months, C-CT demonstrated significant reductions in relapse and recurrence for patients with early-onset MDD (16% vs. 67%) and unstable remission (37% vs. 62%).
    • Age of onset and quality of remission interacted with treatment assignment to influence long-term outcomes.

    Conclusions:

    • Eight months of C-CT is effective in reducing relapse and recurrence in high-risk patients with recurrent MDD.
    • Specific risk factors, such as early onset and unstable remission, highlight the necessity for C-CT.
    • C-CT offers a valuable strategy for maintaining remission in vulnerable populations.