"Concurrent Naltrexone and Prolonged Exposure Therapy for Patients With Comorbid Alcohol Dependence and PTSD"
JAMA Aug 7
http://jama.jamanetwork.com/article.aspx?articleid=1724275
"Conclusions and Relevance  In this study of patients with alcohol dependence and PTSD, naltrexone treatment resulted in a decrease in the percentage of days drinking. Prolonged exposure therapy was not associated with an exacerbation of alcohol use disorder."