- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00183300
Relationship Between the Biological and Psychological Correlates of PTSD
Effectiveness of Prolonged Exposure Therapy on Reducing Neuroendocrine-Related Symptoms of Post-Traumatic Stress Disorder in Women
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Post-Traumatic Stress Disorder (PTSD) is a psychiatric disorder that can occur following exposure to a traumatic incident in which grave physical harm occurred or was threatened. PTSD is marked by clear biological changes as well as psychological symptoms. Many people with PTSD repeatedly relive the trauma in the form of flashback episodes, memories, nightmares, or frightening thoughts. Chronic PTSD can also affect the neuroendocrine system by altering functionality of some chemicals in the brain, including cortisol and catecholamines (e.g., norepinephrine). This study will determine the effectiveness of immediate treatment with prolonged exposure therapy (PE) versus delaying treatment with PE in altering neuroendocrine-related symptoms of post-traumatic stress disorder in women.
This single-blind study will randomly assign two thirds of participants to PE therapy immediately following a traumatic event and one third to a waitlist condition (WL), in which they will receive no treatment until a later date. Participants assigned to receive PE will do so once weekly for 10 weeks. Participants assigned to the WL condition will receive no treatment for 10 weeks, and then will begin PE therapy once weekly for an additional 10 weeks. Study visits will occur at baseline, Week 10, and 6 months post-treatment for those in both conditions, with additional visits 10 weeks and 6 months post-PE therapy for those in the WL condition. Psychological measurements to be assessed at these visits will include PTSD symptoms, anxiety, depression, and PTSD-related cognitions. Physical assessments will include urine and saliva tests, as well as a dexamethasone-suppression test. Participants in the PE condition will also provide saliva samples at points throughout the study to monitor changes in cortisol and catecholamines.
Study Type
Enrollment
Phase
- Phase 2
Contacts and Locations
Study Locations
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104
- Center for the Treatment and Study of Anxiety, University of Pennsylvania
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Chronic post-traumatic stress disorder
- Minimum of 3 months passed since traumatic event happened
- Agree to use an effective form of contraception throughout the study
Exclusion Criteria:
- History of schizophrenia, bipolar disorder, or cognitive dysfunction due to a general medical condition
- History of alcohol or other drug abuse or dependence within 3 months of study enrollment
- Mental retardation or other pervasive developmental disorder
- Unwillingness or inability to discontinue current psychotherapy treatment (stable psychiatric medication therapy taken during the study is not criteria for exclusion)
- Significant risk of violence or history of serious violent behavior within one year of study enrollment
- Medically unstable condition
- Continuing intimate relationship with the perpetrator when the trauma involves assault
- At risk for suicide risk
- Currently pregnant
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
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PTSD severity; measured by the PSS-I immediately after 10 weeks of treatment and at 6-month follow-up
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Salivary cortisol; measured immediately after 10 weeks of treatment
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Urinary cortisol and catecholamines; measured immediately after 10 weeks of treatment and at 6-month follow-up
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Secondary Outcome Measures
Outcome Measure |
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Depression; measured by the BDI immediately after 10 weeks of treatment and at 6-month follow-up
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State-anxiety; measured by the STAI-S immediately after 10 weeks of treatment and at 6-month follow-up.
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Trauma-related cognitions; measured by the PTCI immediately after 10 weeks of treatment and at 6-month follow-up
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Salivary cortisol; measured at 6-month follow-up
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Edna B. Foa, Ph.D., University of Pennsylvania
- Principal Investigator: Rachel Yehuda, Ph.D., Mt. Sinai School of Medicine
Study record dates
Study Major Dates
Study Start
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- R01MH062003 (U.S. NIH Grant/Contract)
- DATR AD-TS (Other Identifier: Other)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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