To determine if a single dose of dexamethasone (5 mg) administered in the first 12 hours following a potentially traumatic event alters a) cortisol and FKBP5 RNA the next day in the periphery measured in saliva; b) FKBP5 methylation by 1 month; c) executive functioning and emotion regulation functioning; d) psychophysiological (heart rate, respiration, skin conductance) in response cued reminders of the trauma; e) enhances the likelihood of remission of PTSD symptom severity.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
After six (6) hours of the accident, subject will take 5 mg of DEX in the Emergency Department (ED). Within twenty-four (24) hours, the subjects will send in a saliva sample. After sexen (7) days, subjects will participate in a phone interview. After thirty (30) days, subjects will participate in an online assessment and return for a one month follow-up visit. Subjects will then participate in online assessments at months 3,6,9, and 12 months.
New York University Medical Center
New York, New York, United States
Change in score on PTSD symptom severity measured with the PTSD Check-List 5 (PCL-5)
Mean symptom severity on the PCL-5 will be compared between groups using an independent samples T-test.
Time frame: 1 month, 3 months, 6 months, 9 months, and 12 months
Cortisol Levels measured from saliva samples
Time frame: 24 hours post ED departure
Score on Subjective Units of Distress (SUDS)
Scale of 0 to 10 for measuring the subjective intensity of disturbance or distress currently experienced by an individual. The individual self assesses where they are on the scale.
Time frame: 1 month, 3 months, 6 months, 9 months, and 12 months
Score on the Kessler 6 Scale
Measure of Psychological distress in the anxiety-depression spectrum
Time frame: 1 month, 3 months, 6 months, 9 months, and 12 months
Score on Life Satisfaction Scale
The Satisfaction with Life Scale to assess satisfaction with people's lives as a whole. The scale does not assess satisfaction with specific life domains, such as health or finances, but allows subjects to integrate and weigh these domains in whatever way they choose.
Time frame: 1 month, 3 months, 6 months, 9 months, and 12 months
Score on Center for Epidemiologic Studies Depression Scale (CES-D)
Time frame: 1 month, 3 months, 6 months, 9 months, and 12 months
Score on Perceived Ability to Cope with Trauma Scale (PACT)
Time frame: 1 month, 3 months, 6 months, 9 months, and 12 months
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