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Concurrent Treatment with Prolonged Exposure for Co-Occurring Full or Subthreshold Posttraumatic Stress Disorder and Substance Use Disorders: A Randomized Clinical Trial.

ABSTRACT: BACKGROUND:To test whether an integrated prolonged exposure (PE) approach could address posttraumatic stress disorder (PTSD) symptoms effectively in individuals with co-occurring substance use disorders (SUD), we compared concurrent treatment of PTSD and SUD using PE (COPE) to relapse prevention therapy (RPT) for SUD and an active monitoring control group (AMCG). METHODS:We conducted a randomized 12-week trial with participants (n = 110; 64% males; 59% African Americans) who met Diagnostic and Statistical Manual of Mental Disorders, fourth edition, text revision criteria for full or subthreshold PTSD and SUD. Participants were randomly assigned to COPE (n = 39), RPT (n = 43), or AMCG (n = 28). RESULTS:At the end-of-treatment, COPE and RPT demonstrated greater reduction in PTSD symptom severity relative to AMCG (COPE-AMCG = -34.06, p < 0.001; RPT-AMCG = -22.58, p = 0.002). Although the difference between COPE and RPT was not significant in the complete sample, the subset of participants with full (vs. subthreshold) PTSD demonstrated significantly greater reduction of PTSD severity in COPE relative to RPT. Both treatments were superior to AMCG in reducing the days of primary substance use (COPE-AMCG = -0.97, p = 0.01; RPT-AMCG = -2.07, p < 0.001). Relative to COPE, RPT showed significantly more improvement in SUD outcome at end-of-treatment (RPT-COPE = -1.10, p = 0.047). At 3-month follow-up, COPE and RPT maintained their treatment gains and were not significantly different in PTSD severity or days of primary substance use. CONCLUSION:COPE and RPT reduced PTSD and SUD severity in participants with PTSD + SUD. Findings suggest that among those with full PTSD, COPE improves PTSD symptoms more than a SUD-only treatment. The use of PE for PTSD was associated with significant decreases in PTSD symptoms without worsening of substance use.

SUBMITTER: Ruglass LM

PROVIDER: S-EPMC5610572 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Concurrent Treatment with Prolonged Exposure for Co-Occurring Full or Subthreshold Posttraumatic Stress Disorder and Substance Use Disorders: A Randomized Clinical Trial.

Ruglass Lesia M LM Lopez-Castro Teresa T Papini Santiago S Killeen Therese T Back Sudie E SE Hien Denise A DA

Psychotherapy and psychosomatics 20170511 3

<h4>Background</h4>To test whether an integrated prolonged exposure (PE) approach could address posttraumatic stress disorder (PTSD) symptoms effectively in individuals with co-occurring substance use disorders (SUD), we compared concurrent treatment of PTSD and SUD using PE (COPE) to relapse prevention therapy (RPT) for SUD and an active monitoring control group (AMCG).<h4>Methods</h4>We conducted a randomized 12-week trial with participants (n = 110; 64% males; 59% African Americans) who met D ...[more]

PMID: 28490022

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Project description:Post-traumatic stress disorder (PTSD) is common among people with substance use disorders, and the comorbidity is associated with negative outcomes. We report on a randomized controlled trial comparing the effect of integrated cognitive-behavioral therapy (ICBT) plus standard care, individual addiction counseling plus standard care and standard care alone on substance use and PTSD symptoms.Three-group, multi-site randomized controlled trial.Seven addiction treatment programs in Vermont and New Hampshire, USA.Recruitment took place between December 2010 and January 2013. In this single-blind study, 221 participants were randomized to one of three conditions: ICBT plus standard care (SC) (n = 73), individual addiction counseling (IAC) plus SC (n = 75) or SC only (n = 73). One hundred and seventy-two patients were assessed at 6-month follow-up (58 ICBT; 61 IAC; 53 SC). Intervention and comparators: ICBT is a manual-guided therapy focused on PTSD and substance use symptom reduction with three main components: patient education, mindful relaxation and flexible thinking. IAC is a manual-guided therapy focused exclusively on substance use and recovery with modules organized in a stage-based approach: treatment initiation, early abstinence, maintaining abstinence and recovery. SC are intensive out-patient program services that include 9-12 hours of face-to-face contact per week over 2-4 days of group and individual therapies plus medication management.Primary outcomes were PTSD severity and substance use severity at 6 months. Secondary outcomes were therapy retention.PTSD symptoms reduced in all conditions with no difference between them. In analyses of covariance, ICBT produced more favorable outcomes on toxicology than IAC or SC [comparison with IAC, parameter estimate: 1.10; confidence interval (CI)?= 0.17-2.04; comparison with SC, parameter estimate: 1.13; CI = 0.18-2.08] and had a greater reduction in reported drug use than SC (parameter estimate: -9.92; CI =?-18.14 to -1.70). ICBT patients had better therapy continuation versus IAC (P<0.001). There were no unexpected or study-related adverse events.Integrated cognitive behavioral therapy may improve drug-related outcomes in post-traumatic stress disorder sufferers with substance use disorder more than drug-focused counseling, but probably not by reducing post-traumatic stress disorder symptoms to a greater extent.

Dataset Information

Concurrent Treatment with Prolonged Exposure for Co-Occurring Full or Subthreshold Posttraumatic Stress Disorder and Substance Use Disorders: A Randomized Clinical Trial.

Publications

Concurrent Treatment with Prolonged Exposure for Co-Occurring Full or Subthreshold Posttraumatic Stress Disorder and Substance Use Disorders: A Randomized Clinical Trial.

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