Effectiveness of Opioid Substitute Treatment on Psychological and Social Wellbeing and the Reduction of Harms Associated with Addiction in Lebanon

Background: Opioid Substitution Therapy (OST) is widely used for the treatment and prevention of harm among opioid-dependent patients, but little evidence exists about its effectiveness in Middle East North Africa (MENA) region. Objective: To evaluate the effectiveness of OST on psychological, s ..