Rowe 2013.

Methods	Parallel repeated‐measures intention‐to‐treat RCT of family therapy versus CBT
Participants	Included: adolescents 13 to 17 years of age who met American Society for Addiction Medicine criteria for outpatient substance abuse treatment, at least mild trauma symptoms on the PTSD‐Reaction Index following Hurricane Katrina and not receiving other behavioural treatment Excluded: adolescents with mental retardation, pervasive developmental disorders, psychotic disorder or current suicidality
Interventions	Multi‐dimensional family therapy (MDFT): a multi‐system family‐based approach designed to address the multiple developmental disruptions and symptoms that result from interaction of individual, family, peer and community risk factors Group CBT: peer group‐based CBT model based on established guidelines for CBT therapy for teen substance abuse by targeting cognitions about use and focusing on accompanying problem behaviours such as poor academic performance and limited social skills
Outcomes	Trauma symptoms: revised PTSD‐RI School problems: based on school records Delinquency: court records and the National Youth Survey Self‐Report Delinquency Scale All measured 1 year before intake through 12‐month follow‐up
Notes	Contact: Cynthia Rowe, Research Associate Professor, University of Miami Trial identifier: NCT01859000