At a glance
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Combining Acceptance and Commitment Therapy With Exposure and Response Prevention to Enhance Treatment Engagement in Obsessive-Compulsive Disorder
In Brief
A clinical study evaluating ACT plus ERP and ERP alone for Obsessive-Compulsive Disorder. Completed, enrolled 58 participants across 2 sites.
Detailed Summary
The aim of the study was to evaluate whether integrating Acceptance and Commitment Therapy (ACT) with Exposure and Response Prevention (ERP) increases the acceptability, tolerability, and adherence with ERP techniques relative to ERP without ACT. Fifty-eight adults with a DSM-IV diagnosis of Obsessive-Compulsive Disorder (OCD) received 16 twice-weekly sessions (2 hours per session) of either ERP with the inclusion of ACT techniques (ERP+ACT; n = 30) or ERP alone (n = 28). Assessments using interviews, self-report questionnaires, and behavioral observations were conducted at pre- and post-test, and at 6 month follow-up. Specific hypotheses were: 1) Patients receiving ERP+ACT will report greater treatment acceptability, and show higher quantity and quality of completed self-directed ERP assignments, relative to patients receiving standard ERP; 2) Both ERP and ERP+ACT will lead to clinically significant reductions in OCD symptoms from pre- to post-test and from pre-test to follow-up.
Study Details
Timeline
Interventions
16 twice-weekly sessions of 120-minute individual psychotherapy consisting of Acceptance and Commitment Therapy plus Exposure and Response Prevention (ACT plus ERP).
16 twice-weekly sessions of 120-minute individual psychotherapy consisting of Exposure and Response Prevention (ERP alone) monotherapy.