Project Remission: Maximizing Outcomes With Intensive Treatments for Combat-Related PTSD

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The University of Texas System (UT)

Status

Completed

Conditions

Posttraumatic Stress Disorder (PTSD)

Treatments

Behavioral: Intensive Outpatient Prolonged Exposure
Behavioral: Massed Prolonged Exposure

Study type

Interventional

Funder types

Other
Other U.S. Federal agency

Identifiers

NCT03529435
W81XWH-13-2-0065

Details and patient eligibility

About

The study compares two intensive outpatient behavioral programs (Massed Prolonged Exposure versus Intensive Outpatient Prolonged Exposure) for the treatment of posttraumatic stress disorder (PTSD) in post-9/11 active duty service members and veterans. The researchers hope to learn if these programs improve treatment outcomes. The researchers predict that Intensive Outpatient Prolonged Exposure (IOP-PE) will be better at treating PTSD than Massed-Prolonged Exposure (Massed PE).

Full description

With an estimated 200,000 - 600,000 post-9/11 service members and veterans suffering from combat-related posttraumatic stress disorder (PTSD; 7-20% of the 3 million who have deployed), there is an urgent need for accessible therapies that are highly effective in quickly treating PTSD to remission, enabling service members to stay fit for active duty and veterans to integrate well into civilian life. While combat-related PTSD can be successfully treated in post-9/11 active duty service members and veterans, recent studies indicate that they do not derive the same degree of benefit from evidence-based behavioral treatments (e.g., Prolonged Exposure; Cognitive Processing Therapy) as their civilian counterparts. This suggests that combat-related PTSD is uniquely different from PTSD in civilians and that treatments are needed that expand and augment established evidence-based treatments in order to address the distinctive elements of combat-related traumas. Prolonged Exposure (PE) is the PTSD treatment most extensively evaluated in clinical trials with civilians and veterans, and there is strong scientific evidence to support its efficacy. In standard outpatient PE, patients participate in weekly session over the course of two to three months. However, given military work requirements, participation in standard outpatient services is not always feasible. In the largest PE study with post-911 active duty service members to date conducted by Foa and colleagues in 2018 found PE delivered in a massed format (i.e., ten 90-minute PE sessions delivered on weekdays over 2 weeks) results in similar treatment outcomes to those of PE delivered in the standard spaced format (i.e., ten 90-minute PE sessions delivered over 8 weeks). The current study expands and augments the previous treatment protocol. More specifically, this study examines whether intensive PE protocols can improve on treatment outcomes for post-9/11 service members and veterans with combat-related PTSD. The purpose of this randomized clinical trial is to compare the efficacy Massed-Prolonged Exposure (Massed-PE, 15 90-minute sessions delivered over three weeks) versus Intensive Outpatient Prolonged Exposure protocol (IOP-PE, 15 days of treatment delivered over three weeks). In comparison with the Massed PE examined by Foa, Massed-PE in this study has been modified to include 50% more sessions and release from duty. IOP-PE has been further augmented and includes the following modifications: (1) the use of a team-based treatment approach; (2) clinic-based completion of daily homework assignments; (3) brief therapist feedback sessions after daily homework assignments; (4) enhanced social support; (5) focusing on patients' three most distressing traumas during imaginal exposure; (6) graduated imaginal exposure starting with the least distressing trauma; (7) an optional telescopic, brief, timeline review of all traumatic events that occurred during previous deployments; and (8) the completion of three posttreatment booster sessions. Up to 400 post-9/11 active duty military and veterans will be consented to obtain data from 230 for analysis. The main outcomes of the study include PTSD diagnoses and symptom severity as measured by the Clinician Administered PTSD Scale for the (CAPS-5) and the PTSD Checklist-for the Diagnostic and Statistical Manual for Mental Disorders, 5th Edition(PCL-5). Participants will be assessed at baseline, while in-treatment and at one-, three-, and six-months after treatment completion. The researchers predict that IOP-PE will result in larger reductions than the Massed-PE in PTSD symptoms at the three follow-up assessments.

Enrollment

234 patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Active duty military service member or veteran (age 18- 65 years) who deployed in support of combat operations post-9/11 seeking behavioral health treatment for PTSD.
  2. PTSD diagnosis as assessed by Clinician-Administered Posttraumatic Stress Scale (CAPS-5).
  3. Able to speak and read English (due to standardization of outcome measures)

Exclusion criteria

  1. Current manic episode or a psychotic symptoms requiring immediate stabilization or hospitalization (as determined by the bipolar and psychosis modules of the MINI).
  2. Current and severe alcohol use warranting immediate intervention based on clinical judgment.
  3. Evidence of a moderate or severe traumatic brain injury (as determined by the inability to comprehend the baseline screening questionnaires).
  4. Current suicidal ideation severe enough to warrant immediate attention (as determined by the Depressive Symptoms Index-Suicidality Subscale and corroborated by a clinical risk assessment by a credentialed provider)
  5. Other psychiatric disorders severe enough to warrant designation as the primary disorder as determined by clinician judgment.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

234 participants in 2 patient groups

Massed Prolonged Exposure
Active Comparator group
Description:
Participants will complete fifteen weekday 90-minute Prolonged Exposure therapy sessions over three consecutive weeks. If necessary, the treatment window may be extended for another week.
Treatment:
Behavioral: Massed Prolonged Exposure
Intensive Outpatient Prolonged Exposure
Experimental group
Description:
The IOP-PE will include the same primary treatment components as the Massed-PE protocol (fifteen weekday 90-minute PE sessions delivered five days a week over a three-week period) plus eight augmentations designed to maximize treatment outcomes. Similar to the Mass-PE, participants will have three consecutive weeks to complete treatment; however, the treatment window may be extended another week if necessary.
Treatment:
Behavioral: Intensive Outpatient Prolonged Exposure

Trial contacts and locations

4

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Data sourced from clinicaltrials.gov

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