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Meta-Analysis
. 2022 Nov;31(11):1821-1834.
doi: 10.1002/pon.6046. Epub 2022 Oct 13.

Effects of mindfulness-based interventions on fatigue and psychological wellbeing in women with cancer: A systematic review and meta-analysis of randomised control trials

Kairen McCloy  1 , Ciara Hughes  1 , Lynn Dunwoody  1 , Joanne Marley  1 , Jackie Gracey  1
Affiliations
Meta-Analysis

Effects of mindfulness-based interventions on fatigue and psychological wellbeing in women with cancer: A systematic review and meta-analysis of randomised control trials

Kairen McCloy et al. Psychooncology. 2022 Nov.

Abstract

Background: Cancer diagnosis and treatment can cause fatigue, stress and anxiety which can have a detrimental effect on patients, families and the wider community. Mindfulness-based interventions appear to have positive effects on managing these cancer-related symptoms.

Objective: To investigate the efficacy of mindfulness on cancer related fatigue (CRF) and psychological well-being in female cancer patients.

Methods: Five databases (CINHAL, Ovid Medline, Ovid Psych Info, Scopus, and Cochrane), and two trial registers (WHO and Clinicaltrials.gov) were searched for randomised control trials from inception to April 2021 and updated in August 2022. Meta-analysis was performed using Review Manager 5.4. The standardised mean difference (SMD) and 95% confidence intervals (CI) were used to determine the intervention effect. Subgroup analysis was performed for adaptation to types of mindfulness, length of intervention and types of comparator used.

Results: Twenty-one studies with a total of 2326 participants were identified. Mindfulness significantly improved CRF (SMD -0.81, 95% CI -1.17 to -0.44), depression (SMD-0.74, 95% CI -1.08 to -0.39) and anxiety (SMD -0.92, 95% CI -1.50 to -0.33). No effect was observed for quality of life (SMD 0.32, 95% CI -0.13-0.87) and sleep (SMD -0.65, 95% CI -1.34-0.04). Subgroup analysis revealed that there was little difference in SMD for adapted type of mindfulness (p = 0.42), wait list control compared to active comparator (p = 0.05) or length of intervention (p = 0.29).

Conclusion: Mindfulness appears to be effective in reducing CRF and other cancer related symptoms in women. Adaptations to mindfulness delivery did not have negative impact on results which may aid delivery in the clinical settings.

Keywords: cancer; meta-analysis; mindfulness; mindfulness-based cognitive therapy; mindfulness-based stress reduction; oncology; psycho-oncology; systematic review; women.

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Conflict of interest statement

The authors report no conflict of interest.

Figures

FIGURE 1
FIGURE 1
PRISMA flow diagram
FIGURE 2
FIGURE 2
Forest Plot for fatigue‐post intervention effect size
FIGURE 3
FIGURE 3
Risk of bias for fatigue outcome
See this image and copyright information in PMC

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