IRCT2012103011328N1 IRCT 2012-12-09 Tehran University of Medical Science Effectiveness of psychotherapy in the treatment of social phobia Effectiveness of short-term psychodynamic psychotherapy versus Sertraline in reducing the symptoms of social phobia in Tehran University students 2011-12-22 anticipated 45 Complete https://irct.ir/trial/11592 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A social phobia. Intervention 1: The medication group were treated with Sertraline for 12 weeks. Sertraline was started at a dose of 50 mg and was added to it 50 mg per week until reached into maximum dose of 200 mg over 4 weeks. Treatment continued for eight weeks with a dose of 200 mg per day. Treatment was conducted by a psychiatrist. Intervention 2: Waiting list group did not receive treatment for eight weeks and were evaluated only 4 times. Intervention 3: Psychodynamic psychotherapy intervention group received 21 sessions (in addition to the primary and final evaluations and termination). Individual psychotherapy sessions were held twice per week, each session lasting 45 minutes. Psychodynamic interventions were performed based on McCullough’s treatment Manual. This type of treatment was composed of three main parts: defenses restructuring, affect restructuring and restructuring of sense of self/others.