Temporal sequencing of symptom change in youth receiving treatment for posttraumatic stress disorder and substance use: secondary findings from a randomised controlled trial
Background: Posttraumatic stress disorder (PTSD) and substance use disorders (SUD) frequently co-occur in youth. Integrated, trauma-focused treatments are recommended, but evidence in youth is limited and the dynamics of symptom change are poorly understood.Objectives: We investigated within-treatment changes in PTSD and substance use, and their temporal sequencing, in a randomised controlled tria
