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Cognitive-Behavioral Versus Supportive Psychotherapy for Intermittent Explosive Disorder: A Randomized Controlled
Michael S McCloskey1, Eunice Y Chen1, Thomas M Olino1
1Temple University.
Cognitive behavioral intervention significantly reduced aggression and relational aggression in adults with Intermittent Explosive Disorder (IED). This psychotherapy approach proved more effective than supportive therapy for managing IED symptoms.
Area of Science:
- Psychiatry
- Clinical Psychology
- Behavioral Science
Background:
- Intermittent Explosive Disorder (IED) is characterized by recurrent aggressive outbursts.
- Limited research exists on psychotherapy's effectiveness for IED.
- Cognitive behavioral interventions show promise for impulse control disorders.
Purpose of the Study:
- To compare the efficacy of a multicomponent cognitive behavioral intervention (CBT) against supportive psychotherapy (SP) for adults with IED.
- To evaluate the impact of CBT on aggressive behavior, anger, and related cognitive biases in IED patients.
Main Methods:
- A randomized clinical trial involving 44 adults diagnosed with IED.
- Participants received twelve 50-minute individual sessions of either CBT (n=19) or SP (n=25).
- Aggression and anger were assessed using the Overt Aggression Scale-Modified, alongside self-report measures at baseline, posttreatment, and 3-month follow-up.
Main Results:
- Both CBT and SP groups showed improvement over time.
- The CBT group demonstrated significantly greater reductions in aggressive behavior and relational aggression compared to the SP group.
- Improvements were observed in anger and associated symptoms, with CBT showing a stronger effect.
Conclusions:
- A multicomponent cognitive behavioral intervention is an effective treatment for reducing aggressive behavior in adults with Intermittent Explosive Disorder.
- CBT offers a superior alternative to supportive psychotherapy for managing aggression in IED.
- Findings support the integration of CBT into clinical practice for IED treatment.
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