Tel Aviv University
Tel Aviv, 69978, Israel
NCT Number: NCT02945709
The purpose of this study is to explore the efficacy of Attention Control Training for Post Traumatic Stress Disorder (PTSD).
ACT was found to be effective in decreasing attention bias variability and PTSD symptoms in combat veterans (Badura-Brack, et al., 2015). It is now important to continue the examination of ACT's efficacy in additional populations of patients with PTSD. Such extension of treatment to other traumatic experiences raises the question of whether the threatening content of the training material could be personalized for each patient.
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Notify Me18 year–70 year
All sexes
Interventional
Not applicable
Tel Aviv, 69978, Israel
The aim of this study is to explore the efficacy of Attention Control Training for Post Traumatic Stress Disorder (PTSD).
ACT was found to be effective in decreasing attention bias variability and PTSD symptoms in combat veterans (Badura-Brack, et al., 2015). It is now important to continue the examination of ACT's efficacy in additional populations of patients with PTSD. Such extension of treatment to other traumatic experiences raises the question of whether the threatening content of the training material could be personalized for each patient.
For this purpose, we will recruit participants that are diagnosed with PTSD and will be randomly assigned to one of three conditions: personalized ACT, non-personalized ACT, or control training We expect that personalized ACT will produce greater reduction in PTSD symptoms relative to a non-personalized ACT, and that both these conditions will be more effective in symptoms reduction than a control condition not designed to affect attention or expose patients to threat stimuli. We also expect the ACT conditions to reduce attention bias variability relative to the control condition.
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Meeting a current diagnosis of Post-Traumatic Stress Disorder (PTSD) according to DSM-V (American Psychiatric Association, 2013);
Exclusion criteria
In this intervention, participants will be trained with a personalized Dot-Probe task. Each participant will perform the task with the set of words that he or she ranked as the most threatening according to a Word Ranking Task.
In this intervention, participants will be trained with the same Dot-Probe task as in the personalized condition, except that the word stimuli will be randomly fit for each participant. It should be noted that 25% out of the words in this condition will be high ranked words according to each patient's word ranking. The aim of this is to enhance similarity to a generic ACT intervention (see Badura-Brack et al., 2015), where there is some degree of exposure to what one may consider "personalized" stimuli (i.e., threat words that were randomly included by the researchers), although it is not deliberately set to idiosyncratic preferences.
In this intervention, participants will perform a computerized task, similar to the Dot-Probe task. In each trial, one neutral word will be presented at the center of the screen and participants will respond to a probe ('E' or 'f') presented following the removal of the words display. This version does not include the essential ingredients thought to reduce PTSD symptoms in the other dot-probe tasks: exposure to threat content and competition on attentional resources. Thus, this control version provides a control condition for the ACT interventions.
Time frame: 40 minutes
The Clinician Administered PTSD Scale (CAPS-5), is a structured interview that will be used to make a diagnosis of PTSD according to the DSM-V criteria. This interview is consists of 30 items regarding the frequency and intensity of PTSD symptoms and a total score of severity is been rated (Weathers, Blake, Schnurr, Kaloupek, Marx, & Keane, 2013).
Time frame: 10 minutes
The PCL-5, is a 20-item National Center for PTSD Checklist of the Department of Veterans Affairs. Scores can range from 0 to 80, with higher scores reflecting more symptoms of PTSD (Weathers, Litz, Keane, Palmieri, Marx, & Schnurr, 2013).
Time frame: 10 minutes
The PHQ-9 , us a 10-item scale for depression symptoms.
Time frame: 5 minutes
Severity and improvement scales (CGI-S/I; Guy, 1976) will be used to assess participants global clinical condition. The CGI-S and the CGI-I are single-items, clinician-reported, measure assessing severity and improvement of illness using a 7-point Likert-type scale. The CGI-S/I has good inter-rater reliability and concurrent validity with other measures. This tool is widely used in clinical trials concerning psychopathology treatments and has good sensitivity to clinical change (e.g., Berk et al., 2008; Hedges, Brown, & Shwalb, 2009; Kadouri, Corruble, & Falissard, 2007; Leon et al., 1993).
Tel Aviv University
Other
Attention Control Treatment for Post Traumatic Stress Disorder
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