Enhancing Exposure Therapy for Post Traumatic Stress Disorder (PTSD): Virtual Reality and Imaginal Exposure With a Cognitive Enhancer



Status:Completed
Conditions:Psychiatric
Therapuetic Areas:Psychiatry / Psychology
Healthy:No
Age Range:18 - 70
Updated:11/30/2018
Start Date:May 2011
End Date:September 2018

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Enhancing Exposure Therapy for PTSD: Virtual Reality and Imaginal Exposure With a Cognitive Enhancer

The purpose of this study is to test the differences between four active treatment conditions
for combat-related Post Traumatic Stress Disorder (PTSD): virtual reality exposure therapy
(VRE) or prolonged imaginal exposure therapy (PE), both with DCS or placebo, as well as to
examine predictors for PTSD and response to treatment in active duty military personnel,
veterans, and civilians who served in Iraq and Afghanistan.

Post Traumatic Stress Disorder (PTSD) is an anxiety disorder that can develop following
exposure to traumatic events and includes symptoms of re-experiencing the trauma, such as
through nightmares and flashbacks, avoidance and numbing, and physical hyperarousal. PTSD has
been estimated to affect 10-20% of returning Operation Iraqi Freedom (OIF)/Operation Enduring
Freedom (OEF) veterans. The most effective intervention found for PTSD is exposure therapy,
which can be delivered in different formats, e. g. via virtual reality (VR) and as imaginal
exposure. The goal of this study is to test the difference between 4 study conditions:
virtual reality exposure therapy (VRE) or prolonged imaginal exposure therapy (PE), both
combined with an antibiotic drug, DCS (active pill vs. placebo). D-Cycloserine (DCS), a drug
that has been FDA approved for over 20 years, has been hypothesized to enhance the
therapeutic effects of exposure therapy.). A secondary purpose of this study is to examine
predictors for PTSD and response to PTSD intervention in active duty military personnel,
veterans, and civilians who served in Iraq/Afghanistan. Psychophysiological factors (e.g.
heart rate, blood pressure) and/or a genetic polymorphism (BDNF Val66Met) obtained from a
saliva sample will be examined.

Inclusion Criteria:

1. Diagnosis of OEF-OIF (Operations Enduring Freedom or Iraqi Freedom) Combat Related
PTSD;

2. Female participants of childbearing potential must agree to use an effective method of
birth control (i.e., oral contraceptive, Norplant, diaphragm, condom, or spermicide)
during the course of the study, or to remain abstinent from sex, to ensure they do not
become pregnant during the course of the study;

3. Ability to provide informed consent and function at an intellectual level sufficient
to allow accurate completion of all assessment instruments;

4. Participants must be literate in English;

5. Patients must be medically healthy and willing to take the study drug;

6. VRE stimuli available must be consistent with subject's trauma.

Exclusion Criteria:

1. Lifetime or current diagnosis of schizophrenia or other psychotic disorder, bipolar
disorder;

2. Participation in a clinical trial during the previous 3 months;

3. Current evidence or history of significant unstable medical illness or organic brain
impairment, including stroke, CNS tumor, demyelinating disease, cardiac, pulmonary,
gastrointestinal, renal or hepatic impairment;

4. Patients who in the investigator's judgment pose a current suicidal or homicidal risk;

5. Alcohol, medication, or illegal substance dependence within the past 90 days;

6. Treatment with any other concomitant medication with primarily CNS activity, or
treatment with any medication that the PI judges not acceptable for this study;

7. history of seizures;

8. Pregnancy or lactation.
We found this trial at
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201 Dowman Dr
Atlanta, Georgia 30303
(404) 727-6123
Phone: 404-712-8866
Emory University Emory University, recognized internationally for its outstanding liberal artscolleges, graduate and professional schools,...
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Los Angeles, California 90033
213) 740-2311
Phone: 213-610-4737
University of Southern California The University of Southern California is one of the world’s leading...
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Long Beach, California 90822
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New York, New York 10021
Phone: 212-746-3079
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New York, NY
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