- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04793776
Manage Emotions to Reduce Aggression (MERA) (MERA)
Manage Emotions to Reduce Aggression - MERA: A Brief Aggression Treatment for Veterans With PTSD Symptoms
Study Overview
Status
Intervention / Treatment
Detailed Description
Aggression can have devastating interpersonal and societal consequences, including incarceration, family violence, disruption of treatment-facilitating factors, and death. About 50% of Veterans with full and subthreshold posttraumatic stress disorder (PTSD) reported engaging in aggression after returning from deployment. This level of aggression is higher than Veterans without PTSD5 and civilians with PTSD. Current psychotherapy options to reduce aggression include present centered therapies (PCTs), anger management, and evidence based psychotherapies (EBP) for PTSD. Anger management reduces aggression in civilian samples with small to moderate effect sizes. However, few anger management treatment studies have examined Veterans with PTSD and measured acts of aggression. Consistently, VA clinicians also provide PCTs and EBP for PTSD. It is unknown how effectively PCTs reduce aggression. Unfortunately, even with gold standard EBP for PTSD Veterans only experience small to moderate reductions in aggression. While any decline is an improvement, these treatments leave room for novel methods to help Veterans reduce aggression.
Emotion regulation ability may be a key to reducing aggression. The team revealed that among Veterans with PTSD and aggression, impulsive aggression (emotionally charged, reactive, and uncontrolled) is more common than premeditated aggression (deliberate, instrumental, and planned). Emotion dysregulation, or the inability to detect emotions, accept emotions, and/or engage in content-appropriate regulation, is related to impulsive aggression and to PTSD severity. The investigators demonstrated that emotion dysregulation fully mediated the relationship between PTSD and impulsive aggression in Veterans.
Increasing emotion regulation ability of many emotions is an innovative method to reduce aggression. Full-length treatments that incorporate emotion regulation training (8-12 sessions) have augmented EBP for PTSD and improved Veterans' emotion regulation skills. However, a brief format is needed for returning Veterans. Eight weeks of treatment, particularly when offered prior to EBP, is an unfeasible commitment for many Veterans who are reintegrating into their communities. Additionally, most drop outs from EBP for PTSD occur prior to session three making the initial sessions a critical time for skill development. Finally, Veterans have experienced wait times to receive treatment due to the growing population of returning Veterans. To address these challenges, the team developed a 3-session emotion regulation treatment, called Manage Emotions to Reduce Aggression (MERA). Male combat Veterans who completed MERA in an open trial (N=20) endorsed the brief model, utilized the skills, and found the treatment helpful at the 4-week follow up. MERA had a low dropout rate of 8% from active treatment. MERA completers demonstrated a medium to large pre- to post-treatment reduction in frequency of aggression (Cohen's d = 0.73).
The goal of the proposed study is to conduct a 2-site randomized clinical trial (RCT) to test if MERA is efficacious at reducing aggression and emotion dysregulation compared to 3 sessions of PCT, which is often the standard of care for Veterans with aggression.
Aim 1: Determine if MERA results in reductions in frequency of impulsive aggression compared to PCT in Veterans (N = 204) with subthreshold or full PTSD who have deployed for combat operations since 9/11.
Hypothesis 1: MERA will demonstrate statistically significant greater reductions in frequency of aggression (measured by the Overt Aggression Scale) relative to PCT at the 2-month posttreatment assessment.
Aim 2: Examine if MERA reduces emotion dysregulation relative to PCT. Hypothesis 2: MERA will demonstrate statistically significant greater reductions in emotion dysregulation (measured by Difficulties in Emotion Regulation Scale) relative to PCT at the posttreatment assessment.
Exploratory Aim. Veterans who learn to regulate their emotions rather than avoid them may be more likely to engage in EBP for PTSD. The investigators will examine if Veterans who complete MERA have higher rates of EBP initiation compared to Veterans who complete PCT. Exploratory Hypothesis: Veterans who complete MERA will have statistically significant higher rates of EBP initiation than Veterans who complete PCT.
If the hypotheses are supported, the VA will have a brief treatment that can help Veterans manage their aggression by directly targeting emotion dysregulation. MERA may also be applicable to Veterans with emotion dysregulation and other psychological disorders.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Shannon R Miles, PhD
- Phone Number: 6728 (813) 972-2000
- Email: Shannon.Miles@va.gov
Study Contact Backup
- Name: Deveney Ching, MA
- Phone Number: 1684 (813) 972-2000
- Email: Deveney.Ching@va.gov
Study Locations
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Florida
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Tampa, Florida, United States, 33612
- Recruiting
- James A. Haley Veterans' Hospital, Tampa, FL
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Contact:
- Margaret R Covar
- Phone Number: 813-903-4407
- Email: Margaret.Covar@va.gov
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Contact:
- Nicole Cadorette
- Phone Number: (813) 558-3953
- Email: Nicole.Cadorette@va.gov
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Principal Investigator:
- Shannon R. Miles, PhD
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Texas
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Houston, Texas, United States, 77030
- Recruiting
- Michael E. DeBakey VA Medical Center, Houston, TX
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Contact:
- Karin Thompson, PhD
- Phone Number: 26851 713-791-1414
- Email: Karin.Thompson@va.gov
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Male and female Veterans who deployed to combat zones since 9/11.
- Currently meets criteria for full or subthreshold PTSD, determined by the Clinician-Administered PTSD Scale for DSM-5
- Engaged in at least 3 self-reported aggressive acts (e.g., yelling, throwing objects, hitting objects/people) in the last month, measured by the Overt Aggression Scale
- Impulsive aggression is his/her primary form of aggression, determined by the Impulsive Premeditated Aggression Scale
- Each Veteran must allow an independent aggression rater (live-in partner, family member, or roommate above 18 years of age)] verify the number of aggressive acts, using the Overt Aggression Scale.
- Agreement not to change psychotropic medications through the duration of the study.
Exclusion Criteria:
- Currently suicidal with intent of self-harm in the last week.
- Currently homicidal with plans to hurt a specific person.
- Unable to complete self-report measures.
- Meets diagnostic criteria for bipolar disorder or psychotic disorder.
- Had a psychotropic medication change within 4 weeks prior to the baseline assessment. Veterans receiving general mental health services or engaging in usual care will be allowed to participate.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Manage Emotions to Reduce Aggression (MERA)
MERA is 3 individual 90-minute sessions delivered over 3 weeks.
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MERA begins with education about the adaptive nature of emotions, how childhood and military experiences can influence emotion regulation, and how combat requires different emotion regulation strategies than most civilian environments.
MERA use modeling and practice with feedback to teach cognitive-behavioral and acceptance-based emotion regulation skills.
Other Names:
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Active Comparator: Present Centered Psychotherapy (PCT)
PCT delivered in 3 individual 90-minute sessions over 3 weeks.
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PCT will serve as the comparison group.
PCT assists Veterans in understanding and coping with current difficulties, such as aggression, but does not provide systematic training in emotion regulation skills.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Overt Aggression Scale (OAS)
Time Frame: Treatment group differences in change from Session 1 to posttreatment assessment (duration of 11 weeks).
|
Overt Aggression Scale is a 17-item self-report measure that assesses frequency of verbal and physical aggression against self, other, and objects and while driving over the past week.
Veterans' self-reported aggressive acts will be summed to create an OAA total score.
Minimum score = 0; there is no maximum score as Veterans can report as many episodes of aggression as they engage in.
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Treatment group differences in change from Session 1 to posttreatment assessment (duration of 11 weeks).
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Difficulties in Emotion Regulation Scale (DERS)
Time Frame: Treatment group differences in change from Session 1 to posttreatment assessment (duration of 11 weeks).
|
Difficulties in Emotion Regulation Scale (16) is a 36-item self-report measure with 6 different emotion-dysregulation factors: nonacceptance of emotional responses, difficulties engaging in goal directed behaviors, impulse-control difficulties, lack of emotional awareness, limited access to emotion regulation strategies, and lack of emotional clarity.
Scoring is based on how well the item describes the individual in the past month, from 1 (almost never) to 5 (almost always).
Minimum score = 36; Maximum score = 180.
Higher scores represent more emotion dysregulation.
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Treatment group differences in change from Session 1 to posttreatment assessment (duration of 11 weeks).
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evidence Based Psychotherapy (EBP) Initiation
Time Frame: Treatment group differences in EBP initiation at 6 months posttreatment.
|
Initiation is defined as attending at least 1 Prolonged Exposure, Cognitive Processing Therapy, or Eye Movement Desensitization and Reprocessing session.
EBP for PTSD initiation is assessed at 6 months posttreatment via chart review.
Scores can either be 0 = Did not begin EBP or 1 = began EBP.
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Treatment group differences in EBP initiation at 6 months posttreatment.
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Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Shannon R. Miles, PhD, James A. Haley Veterans' Hospital, Tampa, FL
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
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
- MHBP-007-20S
- CX002135 (Other Grant/Funding Number: VA Clinical Science Research & Development)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Final data sets underlying publications resulting from the proposed research will be shared outside VA in electronic format through the mechanism(s) indicated below.
- A De-identified, Anonymized Dataset will be created and shared.
- Final de-identified data sets underlying publications resulting from the proposed research will be available outside the VA using the following mechanism, electronic format through e-mail upon request, after results are published. Data sets will also be available through collaborators and other investigators upon request prior to publication.
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- ICF
- ANALYTIC_CODE
- CSR
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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