This clinical study investigated attachment and substance use disorders. The research was conducted as an interventional study in an addictology day hospital setting. The primary medical condition examined was addiction disorders. The interventions evaluated a specialized behavioral therapeutic program focused on attachment. This program was compared against standard care based on a psychoeducational intervention. Both investigated therapeutic methods were of a behavioral nature. The entire research project was sponsored by the Centre Hospitalier de Cadillac. According to official records, this study is currently completed.