CHAIR Lars Mehlum Norway CO-CHAIR Johan Bjureberg Sweden 30 August PS33-1 Effects of Parental Course in Internet-Delivered Emotion-Regulation Therapy for Adolescents With Nonsuicidal Self-Injury: A Randomized Controlled Trial August, 30 | 14:00 - 15:30 Johan Bjureberg Sweden PS33-2 Experiences of IERITA in NSSI Engaging Adolescent Out-Patients and Their Parents: A Nested Qualitative Study Applying Online Focus Groups August, 30 | 14:00 - 15:30 Britt Morthorst Denmark PS33-3 Preventing Suicide With Safe Alternatives for Teens and Youths (SAFETY): A Randomized Feasibility Trial August, 30 | 14:00 - 15:30 Moa Karemyr Sweden PS33-4 Trajectories of Treatment Response in a Naturalistic Study of Dialectical Behavior Therapy for Adolescents (DBT-A) August, 30 | 14:00 - 15:30 Johan Siqveland Norway PS33-5 Real-Time Emotion Regulation in Young Adults With Repeated Self-Harm and Borderline Features in Adolescence: 12.4 Years Follow-up of an RCT Comparing DBT-A and EUC - An Ecological Momentary Assessment (EMA) Study August, 30 | 14:00 - 15:30 Iselin Solerød Dibaj Norway