Pharmacotherapy and cognitive–behavioral therapy (CBT) are currently the most effective interventions for treating obsessive–compulsive disorder (OCD). These treatments, however, are time consuming and in some cases the patients do not show significant improvement. In all, 30%–60% of OCD patients do not respond adequately to pharmacotherapy and 20%–40% of OCD patients who complete CBT do not improve significantly, suggesting a more efficacious approach is needed. The objectives of this study are to demonstrate an efficacious pharmacotherapy plus psychotherapy, named cognitive–coping therapy (CCT), for OCD and to investigate the efficacy of this approach in a larger sample size. Therefore, a total of 108 patients with OCD were randomly allocated into three groups: pharmacotherapy (N = 38), pharmacotherapy plus CBT (PCBT, N = 34), and pharmacotherapy plus CCT (PCCT, N = 36). The severity of symptoms and the patients' functioning were assessed pretreatment and after 7, 14, 21 days, and 1-, 3-, 6-, and 12-month treatment using the Yale-Brown Obsessive Compulsive Scale and Global Assessment of Functioning (GAF). Compared with the pharmacotherapy and PCBT groups, the severity of OCD symptoms was significantly reduced (P < 0.001), the rates of response (100%) and remission (85.0%) were significantly higher (P < 0.001), and relapse rate was lower (P = 0.017) in PCCT group during the 1-year follow-up. In addition, the GAF score was significantly higher in the PCCT group than in the other two groups (P < 0.001). Our preliminary data suggest that PCCT is a more efficacious psychotherapy for OCD patients than pharmacotherapy or PCBT.
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