Effectiveness of Acceptance and Commitment Therapy in Reduction of severity symptoms of patients with Obsessive Compulsive Disorder

In this study, the research experience with experimental group and control group pretest and post-test and follow-up were used the population included all patients with OCD in Shiraz city. Sample was selected (90 patients based on Sample Table Cohen, 1986, quoted by Sarmad al, 1379), among the patients who were diagnosed with OCD. Sampling method based on stratified random sampling was used among the target population, i.e., patients referred to the clinic for counseling and psychological services for the city selected. After cloning, participants were randomized to experimental and control groups were included. 90 outpatients with OCD according to DSM-IV-TR criteria were randomly assigned to one of three groups based on acceptance and commitment therapy, clomipramine and combination therapy in based of acceptance and commitment therapy and clomipramine were assigned (n = 30 per group). During the study, five patients were excluded from the treatment process, and the study was performed on 25 patients in each group. Therapy ACT by Michael Twohig treatment protocol was implemented. Analysis of covariance, variance with repeated measure, and Bonferroni test showed that the percentage of recovery based on acceptance and commitment therapy compared with combination therapy as well spend a significant improvement clomipramine More meaningful experience. Acceptance and commitment therapy based on reducing the severity of symptoms, in patients with obsessive - compulsive disorder and combination therapy is more effective than treatment with clomipramine. Adding clomipramine appear to acceptance and commitment therapy does not increase its efficacy in the treatment of adults with OCD in the short term and long term.