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A randomized controlled trial on the efficacy of mindfulness-based cognitive therapy and a group version of cognitive behavioral analysis system of psychotherapy for chronically depressed patients.

Johannes Michalak, Martin Schultze, Thomas Heidenreich, Elisabeth Schramm

Journal of Consulting and Clinical Psychology October 2015 DOI: 10.1037/ccp0000042 (opens in new tab)

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Study at a glance

AI-extracted from the abstract
Characteristics Randomized controlled trial Peer reviewed
Sample size 106
Population Patients with a current DSM-IV major depressive episode and persistent depressive symptoms for more than 2 years
Interventions Mindfulness-based cognitive therapy (MBCT) Cognitive behavioral analysis system of psychotherapy (CBASP) treatment as usual
Duration 8-week group therapy (8 sessions), outcome assessed at end of treatment
Measures Hamilton Depression Rating Scale (24-item HAM-D), Beck Depression Inventory (BDI)
Topics Meditation
Key findings CBASP plus treatment as usual significantly reduced depressive symptoms compared with treatment as usual alone in the overall sample and at both treatment sites, whereas MBCT plus treatment as usual was no more effective than treatment as usual overall and at one site, though superior at the other. Both treatments showed only small to medium effects on social functioning and quality of life.

Abstract

Mindfulness-based cognitive therapy (MBCT) has recently been proposed as a treatment option for chronic depression. The cognitive behavioral analysis system of psychotherapy (CBASP) is the only approach specifically developed to date for the treatment of chronically depressed patients. The efficacy of MBCT plus treatment-as-usual (TAU), and CBASP (group version) plus TAU, was compared to TAU alone in a prospective, bicenter, randomized controlled trial. One hundred and six patients with a current DSM-IV defined major depressive episode and persistent depressive symptoms for more than 2 years were randomized to TAU only (N = 35), or to TAU with additional 8-week group therapy of either 8 sessions of MBCT (n = 36) or CBASP (n = 35). The primary outcome measure was the Hamilton Depression Rating Scale (24-item HAM-D, Hamilton, 1967) at the end of treatment. Secondary outcome measures were the Beck Depression Inventory (BDI; Beck, Steer, & Brown, 1996) and measures of social functioning and quality of life. In the overall sample as well as at 1 treatment site, MBCT was no more effective than TAU in reducing depressive symptoms, although it was significantly superior to TAU at the other treatment site. CBASP was significantly more effective than TAU in reducing depressive symptoms in the overall sample and at both treatment sites. Both treatments had only small to medium effects on social functioning and quality of life. Further studies should inquire whether the superiority of CBASP in this trial might be explained by the more active, problem-solving, and interpersonal focus of CBASP.

Comparable studies

Other randomized controlled trials on meditation, most cited first.

Study Year Design Participants
Alterations in Brain and Immune Function Produced by Mindfulness Meditation Healthy employees in a work environment 2003 Randomized controlled trial n = 41
Prevention of relapse/recurrence in major depression by mindfulness-based cognitive therapy. Recovered recurrently depressed patients 2000 Randomized controlled trial n = 145
Open hearts build lives: Positive emotions, induced through loving-kindness meditation, build consequential personal resources. Working adults 2008 Randomized controlled trial n = 139
Short-term meditation training improves attention and self-regulation Undergraduate Chinese students 2007 Randomized controlled trial n = 40
Mindfulness-Based Cognitive Therapy for Depression: Replication and Exploration of Differential Relapse Prevention Effects. Recovered recurrently depressed patients 2004 Randomized controlled trial n = 73

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