ABSTRACT

An increased awareness of the clinical relevance of co-occurring posttraumatic stress disorder (PTSD) and substance use disorder (SUD) diagnoses has translated into the rapid advance of research on these commonly co-occurring disorders (Bailey & Stewart, 2014; McCauley, Killeen, Gros, Brady, & Back, 2012). Despite such advancements, there has been relatively less research on the treatment of PTSD/SUD, and a preferred approach to the treatment of PTSD/SUD has yet to emerge (Roberts, Roberts, Jones, & Bisson, 2015). Although promising results have recently been found for integrated cognitive-behavioral PTSD/SUD treatments (e.g., Coffey et al., 2016; Mills et al., 2012), these treatments continue to be associated with elevated dropout rates (Roberts et al., 2015).