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Clinical Trial Summary

Objectives and Rationale: With up to 20% of U.S. service members returning from Iraq and Afghanistan with PTSD symptoms, a critical need exists for treatments that are both effective and efficient, enabling the greatest number possible to be treated to remission. As a highly efficacious treatment and the one with the most scientific support, Prolonged Exposure (PE) is recommended by the Institute of Medicine and being rolled out by the Departments of Defense and Veterans Affairs to help heal our war fighters' psychological wounds. A major barrier to that roll-out, however, is that PE is typically delivered in 90-minute sessions. This is difficult for military mental health providers, who because of large patient loads and pressure to see as many patients per day as possible, limit therapy sessions to 60 minutes. The primary aim of this randomized clinical trial is to determine whether PE sessions can be reduced to 60 minutes without compromising the treatment's high success rate. Preliminary evidence suggests that patients may greatly benefit from PE even when the time spent recalling and recounting the trauma memories during sessions (a key procedure called imaginal exposure) is shortened to fit into a 60-minute session. To test this hypothesis, the trial will enroll 160 San Antonio-area active duty service members who will be randomly assigned to receive PE treatment with 60- or 90-minute sessions. In an additional effort to learn more about how PE helps patients recover - and thereby gain insights to further enhance treatment benefit - the study investigators will examine what causes reductions in PTSD symptoms during PE by examining self-reported and physiological markers (e.g., heart rate reactivity) between the two treatment groups. Research Applicability and Impact: If PE can be shown to maintain high success rates with shorter sessions, more military clinicians could offer this powerful therapy, as it would fit within time constraints of their heavy workload. This would potentially help thousands of our nation's warriors recover from the devastating psychological effects of PTSD and maintain their military careers, heal hurting relationships, and reengage in meaningful life activities. This study would further benefit the military and the general public by enhancing the readiness of our Armed Forces and reducing the public cost of service members' lost work time or veterans' disability benefits. Overloaded VA providers and even civilian therapists, who often limit sessions to 60 minutes due to insurance reimbursement requirements, may also be more likely to utilize the shorter treatment format, increasing access to evidence-base care for veterans and civilians. In addition, insights from the study's examination of biomarkers and underlying mechanisms of PE could be used to enhance care for service members, veterans, and the general public. Study risks are minimal, as a small proportion of patients may see temporary symptom increases as they deal with traumatic memories, but this is part of the recovery process. Patients receiving the shorter treatment sessions potentially may realize a lower level of treatment benefits, but preliminary evidence suggests there is good reason to believe their treatment will be equally as successful as those receiving traditional PE.


Clinical Trial Description

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Study Design


Related Conditions & MeSH terms


NCT number NCT02720497
Study type Interventional
Source University of Pennsylvania
Contact
Status Completed
Phase N/A
Start date September 2013
Completion date March 2021

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