The Effectiveness of Prolonged Exposure Therapy (PE) for Combat-related Post-Traumatic Stress Disorder (PTSD): A Meta-Analysis of Randomized Controlled Trials
Abstract
Prolonged Exposure Therapy (PE) has emerged as a prominent intervention for combat-related Post-Traumatic Stress Disorder (PTSD), targeting avoidance behaviors and facilitating emotional processing of traumatic memories. This meta-analysis of randomized controlled trials (RCTs) evaluates the efficacy of PE in reducing PTSD symptoms and improving overall functioning in military veterans and active-duty service members with combat-related PTSD. Through an extensive literature review, the meta-analysis synthesizes effect sizes from RCTs assessing the effectiveness of PE compared to control conditions (e.g., waitlist, treatment as usual, other psychotherapies) in targeting symptoms of combat-related PTSD, including re-experiencing, avoidance, hyperarousal, and negative alterations in mood and cognition. Additionally, it examines potential moderators of treatment outcomes, such as treatment duration, therapist experience, treatment format (individual vs. group), and participant characteristics (e.g., severity of trauma exposure, deployment history), to better understand the factors influencing the effectiveness of PE for combat-related PTSD.
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References
- Foa, E. B., et al. (2007). Prolonged exposure therapy for PTSD: Emotional processing of traumatic experiences therapist guide. Oxford University Press.
- Rauch, S. A., et al. (2009). Changes in reported physical health symptoms and social function with prolonged exposure therapy for chronic posttraumatic stress disorder. Depression and Anxiety, 26(8), 732-738.
- Schnurr, P. P., et al. (2007). A randomized controlled trial of cognitive-behavioral therapy for posttraumatic stress disorder in severe mental illness. Journal of Consulting and Clinical Psychology, 75(1), 55-63.
- Steenkamp, M. M., et al. (2015). Treatment dropout in cognitive-behavioral therapy for PTSD among veterans. Military Medicine, 180(7), 754-759.
- Cooper, A. A., et al. (2017). Treatment expectancy affects the outcome of cognitive-behavioral interventions in chronic pain. The Clinical Journal of Pain, 33(2), 93-100.
- Schnurr, P. P., et al. (2017). Comparative efficacy of behavioral interventions in patients with fibromyalgia syndrome: A meta-analysis of randomized controlled trials. Arthritis Care & Research, 69(9), 1455-1462.