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Putting mindfulness-based cognitive therapy to the test in routine clinical practice: A transdiagnostic panacea or a disorder specific intervention?

Dirk E. M. Geurts, N Marlou Haegens, Marleen H.C.T. van Beek, Maya J. Schroevers, Felix R. Compen, Anne E. M. Speckens

Journal of Psychiatric Research October 2021 DOI: 10.1016/j.jpsychires.2021.07.043 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Observational cohort Randomized Peer reviewed
Sample size 998
Population Heterogeneous outpatient psychiatric population formally diagnosed mainly with depression, anxiety disorders, personality disorders, somatoform disorders and/or ADHD in routine clinical practice
Intervention Mindfulness-based cognitive therapy (MBCT)
Measures Outcome Questionnaire, reliable change indices
Topics Meditation
Keywords Effectiveness Functioning Psychiatric disorders
Key findings MBCT was associated with improved overall functioning in a large heterogeneous psychiatric outpatient sample, with a moderate effect size (Cohen's d = 0.50) and improvement within each diagnostic category (d = 0.37–0.61), independent of diagnosis or comorbidity. Adherence was high (94%) but lower with less education, more comorbidity, and ADHD; worse baseline functioning predicted larger improvement.

Abstract

Over the past two decades there has been a growing number of randomized clinical trials supporting the efficacy of mindfulness-based cognitive therapy (MBCT) in the treatment of several psychiatric disorders. Since evidence for its effectiveness in routine clinical practice is lagging behind, we aimed to examine adherence, outcome and predictors of MBCT in a well-characterized, heterogeneous outpatient population in routine clinical practice. Data were collected from a naturalistic uncontrolled cohort of 998 patients formally diagnosed with mainly depression, anxiety disorders, personality disorders, somatoform disorders and/or ADHD. Patients received protocolized MBCT and completed self-report questionnaires pre- and post-treatment on overall functioning (Outcome Questionnaire, primary outcome), depressive symptoms, worry, mindfulness skills and self-compassion. Pre-to post-treatment changes were analysed for the overall sample and each diagnostic category separately with paired sample t-tests, reliable change indices (only overall sample) and repeated measures ANOVA for groups with and without comorbidity. Multiple linear regression was carried out to assess possible predictors of adherence and change in overall functioning. Adherence was high (94%) but negatively affected by lower levels of education, more comorbidity and presence of ADHD. Outcome in terms of improvement in overall functioning was good in the overall sample (Cohen's d = 0.50, 30% showed reliable improvement vs. 3.5% reliable deterioration) and within each diagnostic category (Cohen's d range = 0.37-0.61). Worse overall functioning at baseline was the only predictor for a larger treatment effect. After MBCT, overall functioning improved in a large heterogeneous psychiatric outpatient population independent of diagnosis or comorbidity.

Comparable studies

Other observational and cohort studies on meditation, most cited first.

Study Year Design Participants
Using Self-Report Assessment Methods to Explore Facets of Mindfulness Undergraduate students 2006 Observational cohort
Effectiveness of a meditation-based stress reduction program in the treatment of anxiety disorders Patients with generalized anxiety disorder or panic disorder with or without agoraphobia 1992 Observational cohort n = 22
Meditation experience is associated with increased cortical thickness Participants with extensive Insight meditation experience and matched controls 2005 Observational cohort n = 20
Meditation experience is associated with differences in default mode network activity and connectivity Experienced meditators and matched meditation-naive controls 2011 Observational cohort
Long-term meditators self-induce high-amplitude gamma synchrony during mental practice Long-term Buddhist practitioners and controls 2004 Observational cohort

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