Telephone-administered Relapse Prevention for Depression

  • STATUS
    Not Recruiting
  • End date
    Dec 21, 2022
  • participants needed
    218
  • sponsor
    University of Zurich
Updated on 2 June 2022
remission
depression
behavioral therapy
depressive disorder
psychiatric disorder
depressive symptoms
depressed mood
depressive episode
psychotherapy
major depressive disorder

Summary

This study determines the effectiveness of telephone-delivered cognitive-behavioral continuation therapy (T-CT) in comparison to usual care in people with recurrent or chronic depression. The primary research question is whether participating in T-CT reduces depressive relapses. The continuation therapy comprises eight therapy sessions delivered over the telephone by a trained therapist over a period of approximately six months following acute-phase psychotherapy.

Description

Major depression is a serious mental disorder that often takes a recurrent or chronic course causing enduring individual suffering as well as immense direct and indirect health costs. Research indicates that psychological continuation interventions following successful acute-phase therapy are effective in preventing depressive relapse and recurrence but access to these interventions is limited. Systematic psychological continuation interventions are hardly implemented in health care yet, and research shows that there are obstacles concerning access to and compliance for these interventions in a face-to-face setting underlining the need for alternative ways of delivery. The present study ("NaTel study") aims to investigate the effectiveness of telephone-administered cognitive-behavioral continuation therapy (T-CT) following acute-phase psychotherapy. The primary research question is whether participating in T-CT reduces depressive relapses within an observation period of 18 months compared with usual care alone. T-CT comprises eight therapy sessions delivered over the telephone by a trained therapist over a period of approximately six months after acute-phase therapy. Focus of the structured intervention is to train and foster relapse prevention strategies and to facilitate the transfer of skills acquired during acute-phase therapy to daily life. The effectiveness of T-CT as add-on to usual care is tested in a two-parallel group, multicenter, evaluator-blind clinical trial in patients with chronic/persistent or recurrent depressive disorder. Upon acute-phase therapy termination patients who have responded to cognitive behavioral therapy are randomized either to T-CT or usual care alone. Primary outcome of this study is relapse of a depressive episode. Relapse is determined by investigators blind to the study conditions based on clinical interviews conducted at months 6, 12, and 18 of follow-up. Further secondary outcome criteria are assessed with interviews and self-report questionnaires at various time points during follow-up. Overall, the study lasts approximately 48 months.

Details
Condition Endogenous depression, mood disorder, depressive disorder, Affective Disorders, Mood Disorders (Pediatric), depressive disorders, Mood Disorders
Treatment Usual Care, Telephone-administered continuation therapy
Clinical Study IdentifierNCT03219879
SponsorUniversity of Zurich
Last Modified on2 June 2022

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