Tabriz University of Medical Sciences Medical Journal of Tabriz University of Medical Sciences 2783-2031 33 5 2011 12 26 Effect of Cognitive- Behavior Therapy on Decreasing Depression Disorder among Women with Breast Cancer EN Nahideh Hassani Khiabani Jalil Babapour kheirodin Ahmad Alipour Journal Article 2011 12 26 Background and Objectives: Most of the previous studies indicated that more than half of cancer patients suffer from one psychiatric disorder and depression is the second common psychiatric disorder among them. The objective of this study was to investigate the effect of cognitive-behavior therapy on reducing the depression among women with breast cancer. Materials and Methods: In this prospective study a group of 60 women with breast cancer were randomly allocated into two experimental and control groups. In this study we used Beck Depression Inventory (BDI) questionnaires. Results: Results indicated that experimental group showed significant reduction in depression symptoms compared to the control group (P<0.01). Conclusion: Cognitive-behavior therapy is an effective method in reducing the depression symptoms in women with breast cancer.