IRCT201102055766N1 IRCT 2011-03-19 Vice chancellor for research of Isfahan University of Medical Sciences Effect of peer groups on life quality and treatment adherence in patients affected by breast cancer Effect of peer groups on life quality and treatment adherence in patients affected by breast cancer 2010-05-22 anticipated 61 Complete https://irct.ir/trial/6262 interventional Randomization: Not randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive. N/A breast cancer. Intervention 1: The Control group: Also in the control group the patients participated in 6 educational sessions held on their disease, its treatment and complications and similar subjects. Each educational session lasted about an hour and a half and was presented by the associated specialist. Intervention 2: In experimental group, patients were divided into two groups of 17 in order to participate in peer groups. In each group, two of the leaders were in charge of holding and conducting the sessions. The meetings were held twice-monthly (total number of 6 sessions during intervention) and in each session, the patients would have share their experiences from the disease, worries, cons and pros of the disease and their hopes with other members and would take others experiences. In some of the sessions, the project executor also took part in order to ensure the sessions are held in correct manner and that none of control groups would take part in these sessions. Each session lasted between an hour and half to 2 hours. The patients were encouraged to contact each other out of sessions too, and support each other.