Augmentation Trial of Prazosin for Post-Traumatic Stress Disorder (PTSD)
The purpose of this study is to determine whether prazosin will:
- reduce the incidence of nightmares and sleep disturbance
- increase functioning and sense of well being in combat-trauma exposed OIF/OEF veterans.
This is a 15-week randomized parallel design, double-blind, placebo-controlled augmentation trial of prazosin to evaluate the efficacy and tolerability of prazosin augmentation in the treatment of PTSD trauma-related nightmares, sleep disturbance, global function and sense of well-being, and other clinical features and comorbidities of PTSD. Participants will be 210 OIF/OEF soldiers and veterans who have suffered war zone trauma. Participants will be randomized 1:1 to prazosin or placebo and all previous psychotropic medications and/or psychotherapy will be maintained constant. Randomization will be stratified by site and use of an antidepressant.
Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Stress Disorders, Post-Traumatic
prazosin hydrochloride, placebo
Walter Reed Army Medical Center
District of Columbia
Seattle Institute for Biomedical and Clinical Research
Results (where available)
- Source: http://clinicaltrials.gov/show/NCT00990106
- Information obtained from ClinicalTrials.gov on July 15, 2010
Medical and Biotech [MESH] Definitions
Stress Disorders, Traumatic, Acute
A class of traumatic stress disorders that is characterized by the significant dissociative states seen immediately after overwhelming trauma. By definition it cannot last longer than 1 month, if it persists, a diagnosis of post-traumatic stress disorder (STRESS DISORDERS, POST-TRAUMATIC) is more appropriate.
Stress Disorders, Post-traumatic
A class of traumatic stress disorders with symptoms that last more than one month. There are various forms of post-traumatic stress disorder, depending on the time of onset and the duration of these stress symptoms. In the acute form, the duration of the symptoms is between 1 to 3 months. In the chronic form, symptoms last more than 3 months. With delayed onset, symptoms develop more than 6 months after the traumatic event.
Stress Disorders, Traumatic
Anxiety disorders manifested by the development of characteristic symptoms following a psychologically traumatic event that is outside the normal range of usual human experience. Symptoms include re-experiencing the traumatic event, increased arousal, and numbing of responsiveness to or reduced involvement with the external world. Traumatic stress disorders can be further classified by the time of onset and the duration of these symptoms.
Syndromes which feature DYSKINESIAS as a cardinal manifestation of the disease process. Included in this category are degenerative, hereditary, post-infectious, medication-induced, post-inflammatory, and post-traumatic conditions.
Sleep Disorders, Intrinsic
Dyssomnias (i.e., insomnias or hypersomnias) associated with dysfunction of internal sleep mechanisms or secondary to a sleep-related medical disorder (e.g., sleep apnea, post-traumatic sleep disorders, etc.). (From Thorpy, Sleep Disorders Medicine, 1994, p187)
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