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Comprehensive Review and Meta-Analysis of Psychological and Pharmacological Treatment for Intermittent Explosive
Fangqing Liu1, Xiaoshan Yin1, Wenting Jiang2
1The University of Edinburgh, Edinburgh, UK.
None:
Intermittent explosive disorder (IED) is characterized by sudden, disproportionate outbursts of anger that can severely impact individuals' quality of life, causing difficulties in maintaining relationships, issues at work or school and potential legal troubles. This study aimed to systematically review and meta-analyse the effectiveness of psychological and pharmacological treatments for IED, drawing insights from both case studies and randomized controlled trials (RCTs). A total of 12 RCTs and 14 case studies were included in this comprehensive analysis. The meta-analysis revealed that psychological treatments, particularly cognitive behavioural therapy (CBT), showed significant effectiveness in reducing aggression and achieving full remission compared to pharmacological treatments. However, the latter, notably fluoxetine, demonstrated notable efficacy in managing irritability and achieving treatment response. Subgroup analysis identified follow-up time and intervention type as significant moderators of treatment outcomes. The systematic review of case studies highlighted the successful application of deep brain stimulation (DBS) and various off-label medications, including SSRIs and mood stabilizers, in managing IED symptoms. Despite these insights, the study emphasizes the need for more robust evidence-based treatment protocols and further research into the underlying mechanisms of IED to develop targeted treatments.
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