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Effectiveness of mindfulness-based stress reduction for depression in post-stroke patients: a systematic review and meta-analysis.

Ying Sun, Shirong Bo, Yongsheng Li

Frontiers in Psychiatry 2026 DOI: 10.3389/fpsyt.2026.1809626 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Systematic review with meta-analysis Randomized Peer reviewed
Sample size 469
Population Post-stroke patients
Intervention Mindfulness-based stress reduction
Topics Depression Meditation
Keywords Depressive symptoms Meta-analysis Mindfulness-based stress reduction Stroke Systematic review
Key findings MBSR significantly reduced depressive symptoms after stroke compared with control conditions, though the effect varied by region and phase of treatment and the overall evidence certainty was low.

Abstract

Depression is a common complication after stroke. Although prior studies suggest that mindfulness-based stress reduction (MBSR) may alleviate depressive symptoms in post-stroke patients, the evidence remains inconclusive. This meta-analysis aimed to synthesize randomized controlled trials (RCTs) to evaluate the effects of MBSR on depressive symptoms after stroke. PubMed, Web of Science, Embase, the Cochrane Library, PsycINFO, CNKI, and Wanfang Data were searched from inception to October 2025. Eligible studies were RCTs assessing the effects of MBSR on depressive symptoms in post-stroke patients. Two reviewers independently performed study selection, data extraction, and risk-of-bias assessment. Eight RCTs involving 469 participants were included. Meta-analysis using the standardized mean difference (SMD) showed that MBSR significantly reduced depressive symptoms compared with control conditions (SMD = -0.96, 95% CI: -1.35 to -0.58, P < 0.001), with substantial heterogeneity (I² = 71%). The 95% prediction interval ranged from -1.95 to 0.03, indicating that the true effect may be negligible in some future settings. In subgroup analyses, trials conducted in Asia demonstrated significant benefits (SMD = -1.27, 95% CI: -1.60 to -0.93, P < 0.001), whereas trials conducted in other regions did not reach statistical significance (SMD = -0.31, 95% CI: -0.74 to 0.13, P = 0.17); the difference between subgroups was significant (Q-between = 11.77, P = 0.0006). Participants receiving MBSR during the stable post-stroke phase showed significant improvement (SMD = -1.02, 95% CI: -1.57 to -0.47, P < 0.001), whereas those treated during the acute phase did not (SMD = -0.80, 95% CI: -1.88 to 0.27, P = 0.14); the subgroup difference was not significant (Q-between = 0.13, P = 0.7204). MBSR may reduce depressive symptoms after stroke, particularly during the stable phase. However, the overall certainty of evidence was rated as low due to high risk of bias, substantial heterogeneity, and imprecision. Well-designed RCTs with longer follow-up are warranted to confirm these results. https://www.crd.york.ac.uk/prospero/, identifier CRD420251271797.

Comparable studies

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

Study Year Design Participants
Ketamine and Other NMDA Antagonists: Early Clinical Trials and Possible Mechanisms in Depression Participants with major depression in placebo-controlled, double-blind, randomized... 2015 Systematic review and meta-analysis
Side-effects associated with ketamine use in depression: a systematic review. Patients with depression 2018 Systematic review
Comparative efficacy of racemic ketamine and esketamine for depression: a systematic review and meta-analysis Adults with unipolar or bipolar major depression 2020 Systematic review and meta-analysis n = 1,877
Single-dose infusion ketamine and non-ketamine N-methyl-D-aspartate receptor antagonists for unipolar and bipolar depression: a meta-analysis of efficacy, safety and time trajectories Patients with major depressive disorder or bipolar depression 2016 Systematic review and meta-analysis n = 588
Therapeutic effects of classic serotonergic psychedelics: A systematic review of modern‐era clinical studies Patients with cancer- or illness-related anxiety and depression, major depressive... 2020 Systematic review n = 188

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