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Effectiveness of mindfulness based interventions in reducing depressive symptoms across mental disorders: A meta-analysis of randomized controlled trials.

Ekin Alkan, Geetanjali Kumar, Shreya Ravichandran, Samiksha Rakesh Kaushal, Gonzalo Salazar-De-Pablo, Livia Alerci, Joelle Michaud-Feinberg, Luis Gutiérrez-Rojas, Carline Zorzi, Paul Klauser, Philippe Golay, Ueli Kramer, Luis Alameda

Psychiatry Research June 1, 2025 DOI: 10.1016/j.psychres.2025.116473 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Systematic review and meta-analysis Randomized Peer reviewed
Population Clinical samples aged 18–65 from 12 diagnostic categories
Interventions Mindfulness-Based Cognitive Therapy Acceptance and Commitment Therapy Dialectical Behavioural Therapy
Topics Meditation Depression
Keywords Depressive symptoms Mindfulness-based treatments Psychiatric disorders Transdiagnostic
Citations 11
Key findings Mindfulness-based interventions are efficacious in reducing depressive symptoms across psychiatric disorders compared to active control conditions.

Abstract

Mindfulness based interventions (MBIs) are increasingly recognised for their efficacy in treating depressive disorders. Depressive symptoms are prevalent across various disorders and can significantly impact outcomes, therefore being an important transdiagnostic target. Multiple randomized controlled Trials (RCTs) have explored this question in discrete disorders; however, evidence has never been meta-analysed transdiagnostically. The Prospero-registered (CRD42022352046) systematic review has been conducted on EMBASE, MEDLINE and PsychINFO using terms related to Randomised controlled trials, mindfulness and depression in clinical samples aged between 18 and 65. Random-effects models were performed to assess the effectiveness of MBIs, including Mindfulness based Cognitive Therapy (MBCT), Acceptance and Commitment Therapy (ACT), and Dialectical Behavioural Therapy (DBT), on depressive symptoms transdiagnostically. We conducted sensitivity, heterogeneity analyses, publication bias assessments, meta-regressions and assessed quality. Thirty-five studies, including participants from 12 different diagnostic categories, were included. The results revealed that MBCT, ACT, DBT and others are efficacious in treating depressive symptoms across psychiatric diagnoses compared to active control conditions, all with significant effect sizes. MBIs are effective in reducing depressive symptoms across psychiatric disorders. They should be considered as a potential cost-effective tool to be systematically implemented, not only in those with depression but across mental health disorders.

Comparable studies

Other systematic reviews and meta-analyses on meditation, most cited first.

Study Year Design Participants
Meditation Programs for Psychological Stress and Well-being Diverse adult clinical populations 2014 Meta-analysis n = 3,515
Mindfulness-Based Stress Reduction for Stress Management in Healthy People: A Review and Meta-Analysis Healthy subjects 2009 Systematic review and meta-analysis
The psychological effects of meditation: A meta-analysis. Nonclinical groups of adult meditators 2012 Meta-analysis n = 163
Efficacy of Mindfulness-Based Cognitive Therapy in Prevention of Depressive Relapse Adults with recurrent depression in full or partial remission 2016 Meta-analysis of individual patient data from randomized controlled trials n = 1,258
Mindfulness‐Based Stress Reduction and Mindfulness‐Based Cognitive Therapy – a systematic review of randomized controlled trials 2011 Systematic review

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