The Efficacy of Acceptance and Commitment Therapy (ACT) on Disease Acceptance and Quality of Life in Breast Cancer Patients: A Randomized Controlled Trial

This is a randomized controlled trial that examines the efficacy of brief acceptance and commitment therapy by comparing the differences between ACT intervention (cases) and waitlist (control). The inclusion criteria are breast cancer patients must be 18 years old and above, early stage of breast cancer (stages 1 to 3), newly diagnosed breast cancer patients in the treatment phase and know about the illness (before and after surgery), have basic writing, reading, and verbal communication skills and volunteer to participate in this study. The exclusion criteria including patients with metastatic or recurrent breast cancer or other malignant tumors, patients had participated ACT intervention before, patients who were diagnosed with psychoses, substances abuser and people who previously exposed to chemotherapy. Respondents will be randomly recruited based on odd and even sequences. Those who are in odd sequence will be assigned into group A, and those who are in even sequence will be assigned into group B. It is stipulated that group A is the intervention group and group B is the control group. The respondents will not know in which group that they belong to ensure the single blinding process. Breast cancer patients from Breast Clinic, IPPT who met the inclusion criteria will be approached andinformed about the study and procedure will be given. Once the respondent agrees to participate, informed consent will be obtained.