Mindfulness- and Acceptance-based Interventions for Psychosis: A Systematic Review and Meta-analysis
Holger Cramer1, Romy Lauche2, Heidemarie Haller3
1Department of Internal and Integrative Medicine, Kliniken Essen-Mitte, Faculty of Medicine, University of Duisburg-Essen, Essen, Germany; Australian Research Centre in Complementary and Integrative Medicine, Faculty of Health, University of Technology Sydney (Dr Cramer), Australia.
Background:
Mindfulness- and acceptance-based interventions are increasingly studied as a potential treatment for a variety of mental conditions.
Objective:
To assess the effects of mindfulness- and acceptance-based interventions on psychotic symptoms and hospitalization in patients with psychosis.
Methods:
MEDLINE/PubMed, Embase, the Cochrane Library, and PsycINFO were screened from inception through April 2015. Randomized controlled trials (RCTs) were analyzed when they assessed psychotic symptoms or hospitalization in patients with psychosis; affect, acceptance, mindfulness, and safety were defined as secondary outcomes.
Results:
Eight RCTs with a total of 434 patients comparing mindfulness-based (4 RCTs) or acceptance-based interventions (4 RCTs) to treatment as usual or attention control were included. Six RCTs had low risk of bias. Moderate evidence was found for short-term effects on total psychotic symptoms, positive symptoms, hospitalization rates, duration of hospitalization, and mindfulness and for long-term effects on total psychotic symptoms and duration of hospitalization. No evidence was found for effects on negative symptoms, affect, or acceptance. No serious adverse events were reported.
Conclusion:
Mindfulness- and acceptance-based interventions can be recommended as an additional treatment for patients with psychosis.
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