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Accepted manuscript

Effectiveness of Acceptance and Commitment Therapy for Suicidality: A Systematic Review and Meta-analysis

Published online by Cambridge University Press:  17 April 2025

Ju Hyun Tak Open the ORCID record for Ju Hyun Tak [Opens in a new window] ,
Seo-Eun Cho ,
Seong-Jin Cho ,
Seung-Gul Kang ,
Seung Min Bae  and
Kyoung-Sae Na
Ju Hyun Tak
Affiliation:
Department of Psychiatry, Gil Medical Center, Republic of Korea
Seo-Eun Cho
Affiliation:
Department of Psychiatry, Gachon University College of Medicine, Gil Medical Center, Republic of Korea
Seong-Jin Cho
Affiliation:
Department of Psychiatry, Gachon University College of Medicine, Gil Medical Center, Republic of Korea
Seung-Gul Kang
Affiliation:
Department of Psychiatry, Gachon University College of Medicine, Gil Medical Center, Republic of Korea
Seung Min Bae
Affiliation:
Department of Psychiatry, Gachon University College of Medicine, Gil Medical Center, Republic of Korea
Kyoung-Sae Na*
Affiliation:
Department of Psychiatry, Gachon University College of Medicine, Gil Medical Center, Republic of Korea
*
*Corresponding author: Kyoung-Sae Na. Professor. Department of Psychiatry, Gachon University College of Medicine, Gil Medical Center, Incheon, Republic of Korea. [email protected]
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Abstract

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Background:

Acceptance and commitment therapy (ACT) is recognized as an effective treatment for a variety of mental illnesses. Several meta-analyses have reported the efficacy of ACT in various mental and physical conditions, including depression, anxiety, and pain, but not for suicidality. This study aimed to determine the therapeutic effectiveness of ACT on suicidality through a systematic review and meta-analysis.

Methods:

Electronic databases such as PubMed, Embase, Scopus, and the Cochrane Library were searched for studies. The primary outcome measure was the effectiveness of ACT for suicidality which includes suicidal ideations and attempts.

Results:

This systematic review and meta-analysis included eight studies, all of which were judged to have a high risk of bias. In the meta-analysis, the pooled standardized mean difference for suicidal ideations was 1.122 (95% confidence interval (CI) = 0.261 to 1.982).

Conclusion:

This meta-analysis suggests that ACT is effective for reducing suicidal ideation, but the high risk of bias across studies should be considered as a major limitation. Further well-designed studies are needed to confirm these findings.

Keywords

acceptance and commitment therapysuicidalitysuicidal ideationsystematic reviewmeta-analysis
Type
Original Article
Information
Acta Neuropsychiatrica , Accepted manuscript , pp. 1 - 23
Creative Commons
Creative Common License - CCCreative Common License - BYCreative Common License - NCCreative Common License - ND
This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (https://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided that no alterations are made and the original article is properly cited. The written permission of Cambridge University Press must be obtained prior to any commercial use and/or adaptation of the article.
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of Scandinavian College of Neuropsychopharmacology