other اثربخشی درمان گروهی مبتنی بر پذیرش و تعهد در کاهش وسواس فکری و عملی مصرف مواد، اضطراب و افسردگی معتادان تحت متادون درمانی مقاله پژوهشی Original Research Article <p style="text-align: justify;"><span style="font-size:16px;"><span style="font-family:times new roman;"><span style="color:#008080;"><strong><em>Background and Objective</em></strong>:</span> The third wave of cognitive behavioral therapy (CBT) including acceptance and commitment therapy (ACT) embraces new approaches and methods potentially capable of addressing complex cases of substance abuse. It seems that the third wave of (CBT) emphasizing mindfulness and psychological resilience are effective in the rehabilitation of addicts undergoing methadone treatment.The present study intended to assess the effectiveness of group therapy based on acceptance and commitment in reducing the obsessive-compulsive use of substance, anxiety and depression of addicts under methadone treatment.<br> <span style="color:#008080;"><strong><em>Materials and Methods</em></strong>:</span> In this quasi-experimental study, the statistical population included all addicted men who received methadone treatment in Zanjan in 1983-94. A sample of 30 patients was selected through convenience sampling & randomly assigned into two groups, intervention and control. The intervention group participated in 8 sessions of 90-minute group therapy based on acceptance and commitment. Obsessive-compulsive use of substance and anxiety/depression questionnaires were completed in the form of a pre-test, a post-test and a quarterly follow-up period in both groups.<br> <span style="color:#008080;"><strong><em>Results</em></strong><em>: </em></span>Group therapy based on acceptance and commitment effectively reduced the obsessive-compulsive use of substance, anxiety and depression (P <0.05).The effectiveness of this intervention in increasing physical health was not statistically significant (P> 0.05). The effect of group therapy based on acceptance and commitment was substantial in comparison to the control group in the post-test phase regarding the obsessive-compulsive use of substance (1.04), anxiety (1.63) and depression (1.6), furthermore, these effects remained stable over a quarterly follow-up period.<br> <span style="color:#008080;"><strong><em>Conclusion</em></strong><em>:</em></span> The present study showed that acceptance and commitment therapy is effective in decreasing obsessive-compulsive use of substance, anxiety and depression.Therefore, acceptance and commitment therapy can be used as an effective intervention for psychological disorders associated with drug abuse in methadone-treated patients.</span></span></p> Acceptance & Commitment Therapy, Obsessive-Compulsive, Anxiety, Depression, Addicted, Methadone treatment 109 125 http://journal.zums.ac.ir/browse.php?a_code=A-10-4-1100&slc_lang=other&sid=1 Abbas Hemmat عباس همت 5200319475328460049812 5200319475328460049812 Yes Dept.of Clinical Psychology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan Iran. دانشگاه علوم پزشکی زنجان، زنجان، ایران Jahangir Hemmat جهانگیر محمدی بایتمر 5200319475328460049813 5200319475328460049813 No Dept.of Clinical Psychology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan Iran. دانشگاه علوم پزشکی زنجان، زنجان، ایران Reza Pirzeh رضا پیرزه 5200319475328460049814 5200319475328460049814 No Dept.of Psychiatry, Faculty of Medicine ,Zanjan University of Medical Sciences, Zanjan, Iran. دانشگاه علوم پزشکی زنجان، زنجان، ایران Mohsen Dadashi محسن داداشی 5200319475328460049815 5200319475328460049815 No Social Detriments of Health Research Center, Zanjan University of Medical Sciences, Zanjan, Iran. دانشگاه علوم پزشکی زنجان، زنجان، ایران