The Efficacy of Metacognitive Training for Delusions in Patients With Schizophrenia: A Meta-Analysis of Randomized Controlled Trials Informs Evidence-Based Practice

Worldviews on Evidence-based Nursing
Yu-Chen LiuMei-Feng Lin

Abstract

Metacognitive training (MCT) was developed in 2007 and widely used to modify the delusions for patient with schizophrenia. However, its effectiveness remains unclear. To investigate the overall effectiveness of MCT for delusion in schizophrenia patients from 2007 to 2016, and to investigate the variables (intervention approach, intervention dose, and participant factors) of an MCT study that could influence the effect size. Parallel-arm design of MCT for delusions published from 2007 to 2016 were collected and then cross-referenced using these keywords: delusion (psychosis or psychotic or schizophrenia) and metacognitive (training or therapy or intervention). The quality of the studies was evaluated and the effect size and the moderating variables of MCT on delusion were determined. A total of 11 studies on the effect of MCT for delusion were investigated. The MCT had a moderate immediate postintervention effect (g = -0.38) and a lasting effect after 6 months (g = -0.35). In terms of immediate effect, moderating variables with significant differences between them were (a) individual approach versus group-based approach and mixed approach, and (b) eastern country versus western country. MCT could be used as a valuable nonpharmac...Continue Reading

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Citations

Jul 30, 2019·Perspectives in Psychiatric Care·Patrícia D B GonçalvesMaria Antónia T C Paiva E Silva
Oct 23, 2019·Translational Psychiatry·Monja HovenRuth J van Holst
Nov 21, 2019·International Journal of Environmental Research and Public Health·Miguel Simón-Expósito, Elena Felipe-Castaño
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Jan 7, 2022·Archives of Suicide Research : Official Journal of the International Academy for Suicide Research·Franziska MiegelLena Jelinek

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