Introduction: The Present article aimed to investigate the effectiveness of acceptance and commitment therapy(ACT) on the reduction of depression and anxiety and the increase of quality life of women with breast cancer(BC) in Tehran city.
Material and Methods: The present research was implemented in quasi-experimental method with pre-test and post-test design along with control group and 45 days follow-up period. The statistical population were all women with breast cancer under treating in ShahreRey hospital of Tehran during 2022; among them 30 women were selected in voluntarily purposeful method as the sample group of the study and randomly were appointed in two experimental and control groups. The experimental group had received acceptance and commitment therapy(ACT) within two months in eight sessions of 90 minutes. The instruments of the study were consisted of Beck’s Depression and anxiety questionnaires and World’s Health Organizational questionnaire of quality of life. The gathered data was analyzed in mixed variance analysis through SPSS-24 software.
Results: The results demonstrated that the acceptance and commitment therapy(ACT) was significantly effective in the reduction of depression and anxiety and the increase of women`s quality of life(p<0.001).
Conclusion: According to the obtained results, the acceptance and commitment therapy(ACT) consisted of acceptance preparation, changes in expectations and focus of pain, the difference of pain acceptance with tolerance or surrender, an interaction between present and future perspective and the values and commitment behavior, can be applied to decrease BC women’s depression and anxiety and the improvement of their quality of life.