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Journal Article

Citation

Sander LB, Beisemann M, Doebler P, Micklitz HM, Kerkhof A, Cuijpers P, Batterham P, Calear A, Christensen H, De Jaegere E, Domhardt M, Erlangsen A, Eylem-Van Bergeijk O, Hill R, Mühlmann C, Österle M, Pettit J, Portzky G, Steubl L, Van Spijker B, Tighe J, Werner-Seidler A, Büscher R. J. Med. Internet. Res. 2023; 25: e46771.

Copyright

(Copyright © 2023, Centre for Global eHealth Innovation)

DOI

10.2196/46771

PMID

37358893

Abstract

BACKGROUND: Suicide is a global public health problem. Digital interventions are considered a low-threshold treatment option for people with suicidal ideation or behaviors. Internet-based cognitive behavioral therapy (iCBT) targeting suicidal ideation has demonstrated effectiveness in reducing suicidal ideation. However, suicidal ideation often is related to additional mental health problems, which should be addressed for optimal care. Yet, the effects of iCBT on related symptoms, such as depression, anxiety, and hopelessness, remain unclear.

OBJECTIVE: We aimed to analyze whether digital interventions targeting suicidal ideation had an effect on related mental health symptoms (depression, anxiety, and hopelessness).

METHODS: We systematically searched CENTRAL, PsycInfo, Embase, and PubMed for randomized controlled trials that investigated guided or unguided iCBT for suicidal ideation or behaviors. Participants reporting baseline suicidal ideation were eligible. Individual participant data (IPD) were collected from eligible trials. We conducted a 1-stage IPD meta-analysis on the effects on depression, anxiety, and hopelessness-analyzed as 2 indices: symptom severity and treatment response.

RESULTS: We included IPD from 8 out of 9 eligible trials comprising 1980 participants with suicidal ideation. iCBT was associated with significant reductions in depression severity (b=-0.17; 95% CI -0.25 to -0.09; P<.001) and higher treatment response (ie, 50% reduction of depressive symptoms; b=0.36; 95% CI 0.12-0.60; P=.008) after treatment. We did not find significant effects on anxiety and hopelessness.

CONCLUSIONS: iCBT for people with suicidal ideation revealed significant effects on depression outcomes but only minor or no effects on anxiety and hopelessness. Therefore, individuals with comorbid symptoms of anxiety or hopelessness may require additional treatment components to optimize care. Studies that monitor symptoms with higher temporal resolution and consider a broader spectrum of factors influencing suicidal ideation are needed to understand the complex interaction of suicidality and related mental health symptoms.


Language: en

Keywords

mental health; suicide; depression; anxiety; suicidal ideation; systematic review; meta-analysis; hopelessness; psychotherapy; suicidal; CBT; cognitive behavioral therapy; depressive; internet-based cognitive behavioral therapy; review method

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