Predicting Treatment Response Using Psychophysiologic Reactivity Measures

Status Completed

Clinical Trial Summary

Objective psychophysiologic reactivity data may be useful for predicting post-traumatic stress disorder (PTSD) treatment response. Given the variety of PTSD treatments and the lack of a clearly superior treatment, a reliable and valid approach to predicting treatment response is needed.

Specific Aims: 1). Evaluate the clinical utility of psychophysiologic reactivity measures to predict overall PTSD symptom response among OEF/OIF/OND (Operation Enduring Freedom/Operation Iraqi Freedom/Operation New Dawn) veterans receiving treatment for PTSD. 2). Evaluate the clinical utility of psychophysiologic reactivity measures to predict psychosocial functioning and health-related quality of life (HRQoL) response among OEF/OIF/OND veterans in treatment for PTSD. Exploratory). Develop psychophysiologic, neuropsychological, and/or self-report models to predict PTSD symptom response to pharmacotherapy, psychotherapy, and combined pharmacotherapy/psychotherapy. The investigators will divide psychophysiologic reactivity predictors into two groups: heart rate variability and attentional bias (eye gaze tracking and modified Stroop). The investigators will collect observational and longitudinal data from a treatment-seeking sample of 50 OEF/OIF/OND veterans with PTSD recruited from the Central Arkansas Veterans Healthcare System (CAVHS) Mental Health Clinics.

Clinical Trial Description

All subjects will complete a baseline assessment including self-report data and psychophysiologic reactivity measures. Trained research assistants will collect psychophysiologic reactivity data. The investigators will collect the 3-month data in-person. At 6-months, self-report data will be collected in-person. If study participant is unable to complete the 6-month assessment in person the investigators will attempt to collect the self-report data by phone. The study instruments have all been previously administered by telephone. The project coordinator will schedule and track the participants using the telephone. The project coordinator will call participants to remind them about follow-up appointments. The consent form will also include the name and phone number of at least one contact person.

Psychophysiologic reactivity measures will be collected first to minimize fatigue. In addition, the psychophysiologic reactivity measures are context dependent and the investigators do not want the psychophysiologic measures to be primed by symptom reporting. Heart rate variability data will be collected at baseline for five minutes prior to other testing and then continued during eye gaze tracking and modified Stroop testing. ;

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01571245
Study type	Observational
Source	Central Arkansas Veterans Healthcare System
Contact
Status	Completed
Phase	N/A
Start date	April 2012
Completion date	December 2015

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