CHAMGAP
APPROVEDReviewed and approved by the Chamgap Editorial Team (2026-07-23). The draft was written by AI, the existence of all 2 cited sources was verified at the original page, and the verdict passed blind grading and adversarial audit. Methodology v0.6.
Verdict No. 1505 · Search date 2026-07-23 · Methodology v0.6

Mindfulness-based cognitive therapy,
does it really help with Prevention of depressive-episode relapse in recurrent major depressive disorder in remission?

30-Second Summary
B
Evidence Grade B · 74 · Safety unknown
Specialist eight-week MBCT reduces relapse in recurrent depression, but it is not equivalent to general meditation or established as superior acute treatment
What the
research shows
Structured eight-week MBCT is graded B because it reduced depressive-episode relapse in recurrent major depressive disorder in full or partial remission. An individual-patient-data meta-analysis of nine randomized trials and 1,258 patients reported HR 0.69 for relapse within 60 weeks versus non-MBCT controls and HR 0.79 versus active treatments. Outcomes were broadly similar to maintenance antidepressants rather than superior, and psychotherapy cannot mask participants or therapists and depends on therapist competence and engagement.
What the
ads claim
Descriptions can equate a general mindfulness app or brief meditation with trial-tested eight-week MBCT or expand relapse prevention into superior acute-depression treatment. The studied intervention was a manualized group program delivered by trained therapists.
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Useful facts when choosing a product

  • Standard MBCT usually combines weekly group sessions for eight weeks, formal meditation, cognitive-therapy elements, and home practice.
  • The pivotal evidence concerns adults with recurrent major depressive episodes who are currently in full or partial remission.
  • Relapse in the trials meant a new depressive episode confirmed by diagnostic assessment rather than transient low mood alone.
  • Physical adverse effects are uncommon, but transient distress, anxiety, activation of difficult memories, and dropout can occur; acute suicidality or severe deterioration requires separate assessment and treatment.
Gap Measurement · Verdict 1505 · B 74
What advertising claims
What independent, higher-quality research supports
△ GAP
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What the research actually shows

The Kuyken individual-patient-data meta-analysis included nine trials of manualized MBCT versus usual care, active treatment, or antidepressants in recurrent depression in full or partial remission. Relapse within 60 weeks had HR 0.69 versus all controls and HR 0.79 versus active treatments, with a possible larger effect among patients with more residual symptoms. PREVENT randomized 424 patients to MBCT with support to taper medication or maintenance antidepressants and found no significant difference in time to relapse, supporting comparable effectiveness rather than superiority. This evidence concerns MBCT relapse prevention and is distinct from dialectical behavior therapy for suicidal behavior.

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Why this is classified as B (74)

A nine-trial individual-patient-data meta-analysis reduced relapse and retained benefit versus active treatments, but no superiority over maintenance antidepressants plus lack of masking and therapist dependence gives B with 74 points.

Counterpoint. Residual symptom severity may modify benefit better than a fixed cutoff of three prior episodes, so the subgroup finding should remain a hypothesis rather than a rigid indication.

Rejudgment record. New verdict — Accepted reduced depressive-episode relapse in a nine-trial individual-patient-data meta-analysis and benefit versus active controls, while grading B for a relapse-prevention endpoint, unavoidable lack of psychotherapy masking, therapist and engagement dependence, and no superiority over maintenance antidepressants

Sub-claim grades by effect

This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.

Effect (sub-claim)GradeBasis
Prevention of depressive-episode relapseBA nine-trial individual-patient-data analysis reported HR 0.69 versus all controls, with unavoidable lack of masking and therapist dependence.
Relapse-prevention effectiveness similar to maintenance antidepressantsBDirect active comparisons found no significant superiority and broadly similar outcomes.

Cross-check — Codex and Claude

This verdict was drafted by Codex through literature review and source-existence checks, cross-checked through blind grading and adversarial audit, and settled by reapplying the methodology boundary rules. Cases with split grades were resolved through rejudgment.
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Evidence Table

StudyDesignSampleFundingEndpointResultWeight
Kuyken W et al. IPD meta-analysis 2016Individual-patient-data meta-analysis of randomized trials1,258Wellcome Trust and United Kingdom NIHR public and nonprofit supportTime to depressive relapse within 60 weeksThe hazard ratio was 0.69 versus all non-MBCT controls and 0.79 versus active treatments.Key multi-trial patient-level synthesis
Kuyken W et al. PREVENT 2015Multicenter single-blind randomized active-control trial424United Kingdom NIHR Health Technology AssessmentTime to depressive relapse over 24 monthsMBCT with support to taper medication was not significantly superior to maintenance antidepressants for relapse prevention and outcomes were similar.Active comparison with maintenance antidepressants
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Receipt — 2 References

All 2 cited sources were verified for existence at the original page (as of 2026-07-23).

Kuyken W, Warren FC, Taylor RS, et al. Efficacy of Mindfulness-Based Cognitive Therapy in Prevention of Depressive Relapse: An Individual Patient Data Meta-analysis From Randomized Trials. JAMA Psychiatry. 2016;73(6):565-574. PMID: 27119968. PMCID: PMC6640038. DOI: 10.1001/jamapsychiatry.2016.0076.
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Kuyken W, Hayes R, Barrett B, et al. Effectiveness and cost-effectiveness of mindfulness-based cognitive therapy compared with maintenance antidepressant treatment in the prevention of depressive relapse or recurrence (PREVENT): a randomised controlled trial. Lancet. 2015;386(9988):63-73. PMID: 25907157. DOI: 10.1016/S0140-6736(14)62222-4.
checked
Draft and rewrite: Codex (AI) · Verification: Codex blind grading and adversarial audit · Final adjudication: Claude
Reviewed and approved: Chamgap Editorial Team · Approval date: 2026-07-23 · Corrections: none

Cite this verdict

Mindfulness-based cognitive therapy x prevention of relapse in recurrent major depressive disorder Evidence Grade B card
[Chamgap] Mindfulness-based cognitive therapy x prevention of relapse in recurrent major depressive disorder — Evidence Grade B·74. 2 cited sources checked. Source: https://chamgap.com/en/verdicts/mood/mindfulness-based-cognitive-therapy-recurrent-depression-relapse-prevention/ · CC BY 4.0

CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.

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What this document does and does not do

Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.