- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01918696
Controlled Evaluation of a Computerized Anger-reduction Treatment for Suicide Prevention
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Problematic anger is often found among returning military veterans, especially those exposed to combat. Anger control problems are associated with difficulties with reintegration. One study of Iraq-Afghanistan combat veterans who used VA medical services (N = 754) found that difficulty controlling anger was the most commonly reported problem experienced since homecoming, occurring among 57% of the sample (Sayer et al., 2010). Problematic anger and hostility have also been linked to risk for suicide (Daniel et al., 2009; Lehnert, Overholser, & Spirito, 1994; Maiuro, O'Sullivan, Michael, & Vitaliano, 1989). From the perspective of the interpersonal-psychological theory of suicide (Joiner, 2005), individuals with problematic anger may be at increased risk for suicide because they engage in impulsive behaviors (e.g., aggression, substance abuse) intended to manage anger. Such behaviors may lead to exposure to painful and provocative events, which increase their acquired capability for engaging in suicidal behavior. Additionally, anger problems often lead to social isolation, which may contribute to greater perceived burdensomeness and a failed sense of belonging, established risk factors for suicide (Van Orden et al., 2010).
Anger prone individuals are likely to hold the hostile attribution bias, which reflects the tendency to interpret the ambiguous actions of others as reflecting hostile intent (Wilkowski & Robinson, 2008). Recently, researchers have developed computerized interpretation bias modification (IBM) protocols intended to efficiently reduce interpretive biases. These treatments have shown efficacy in reducing anxiety and depression (Beard & Amir, 2008; Holmes, Lang, & Shah, 2009; Mathews et al., 2007). We have conducted studies using similar procedures that focus on hostile interpretation biases and found our program to successfully reduce anger and hostility.
To evaluate the efficacy of the IBM protocol we have developed in reducing anger and suicide risk, we will conduct a three-arm randomized controlled trial over the internet. Military veterans and non-veteran community participants reporting elevated trait anger (N = 120) will be randomized to one of three conditions: 1) IBM; 2) progressive muscle relaxation (PMR); or 3) healthy education videos (control). Each condition will consist of eight 15-minute treatment sessions. Participants will complete two sessions per week for four weeks and will be administered assessments at pre- and post-treatment. IBM and PMR conditions will also complete 3-month and 6-month follow-up assessments. To ensure an adequate test of the effects of this intervention on suicide risk, we will oversample for individuals with current suicidal ideation. We hypothesize that: 1) IBM will lead to greater reductions in anger than PMR and control conditions in a sample with problematic anger; 2) IBM will lead to greater reductions in suicidal ideation, perceived burdensomeness, and thwarted belongingness than PMR and control conditions; 3) efficacy of the IBM condition in reducing suicidal ideation will be mediated by reductions in perceived burdensomeness and thwarted belongingness; 4) group differences between IBM and PMR will be maintained at the 3-month and 6-month follow-up assessments.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Florida
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Tallahassee, Florida, United States, 32306
- Florida State University, Department of Psychology
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- elevated levels of trait anger (scoring 19 or higher, or the top 25% of the general population)
- must have access to a computer with an internet connection
- must also be English speakers
Exclusion Criteria:
- currently receiving therapy for problematic anger
- evidence of serious suicidal intent requiring hospitalization or immediate treatment
- evidence of psychotic-spectrum disorders
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: SINGLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Anger Reduction Treatment
This treatment consists of eight 15-minute sessions.
Participants will read scenarios and imagine themselves in these situations: "A driver does not let you over even though you have your blinker on."
Next, another will appear to provide a less ambiguous interpretation.
One letter will be missing from the key word of this sentence.
The sentence will read "They can't s_e you."
The participant will fill in the missing letter (to form "see"). Next, this interpretation will be reinforced by requiring the participants to correctly answer "yes" or "no" to a comprehension question ("Is the driver being disrespectful?").
In each session 64 training scenarios will be presented.
Participants will never see the same scenario twice over the course of the study.
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Eight 15-minute sessions of interpretation modification to reduce angry interpretation biases.
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ACTIVE_COMPARATOR: Progressive Muscle Relaxation
Participants will receive eight 15-minute sessions of PMR.
They will listen to a PMR script (Kassinove & Tafrate, 2002).
Participants will be asked to make sure they are sitting comfortably, close their eyes, and systematically tense and release 10 different muscle groups.
At the end of this procedure, participants will create a plan for when they will use the exercise.
They will then type out the sentence: "When I feel [write the feeling you decided on], then I will use this relaxation technique."
They will then be told, "Now, go over what you have written and say it quietly to yourself until you can repeat it word for word without having to read what you have written."
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Eight 15-minute sessions of progressive muscle relaxation (PMR) including formulation of a plan to use PMR when angry.
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PLACEBO_COMPARATOR: Control Condition
To control for expectancy effects, participants assigned to the control condition will complete eight computerized sessions consisting of psychoeducation on healthy behaviors.
These sessions will be matched for time with the active conditions, lasting 15 minutes each.
Psychoeducation will cover the topics of exercise, diet, hygiene, social support, healthy activities, and sleep, and will be taken from protocols developed from our ongoing research.
This psychoeducation is perceived as credible but has no detectable impact on behavior.
After the post-treatment session, participants will be provided with the active ART treatment free of charge if they wish to receive it.
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Eight 15-minute sessions of informative videos on healthy living.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
State-Trait Anger Expression Inventory-2 (STAXI-2; Spielberger, 1999)
Time Frame: change from baseline at 1-month, 3-months, and 6-months
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change from baseline at 1-month, 3-months, and 6-months
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Beck Suicide Scale (BSS; Beck et al., 1979)
Time Frame: change from baseline at 1-month, 3-months, and 6-months
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change from baseline at 1-month, 3-months, and 6-months
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Other Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Interpersonal Needs Questionnaire (INQ; Van Orden, Cukrowicz, Witte, & Joiner, 2012
Time Frame: change from baseline at 1-month, 3-month, and 6-months
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change from baseline at 1-month, 3-month, and 6-months
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2013.10885
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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