- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04498754
An Evaluation of Insomnia Treatment to Reduce Cardiovascular Risk in Patients With Posttraumatic Stress Disorder
April 16, 2024 updated by: Duke University
Posttraumatic stress disorder (PTSD) is a chronic, debilitating psychiatric disorder that is associated with an increased risk of death due to cardiovascular disease (CVD).
Most individuals with PTSD also have Insomnia Disorder.
Sleep quality is also associated with risk factors for CVD.
The objective of this study is to examine how insomnia contributes to CVD risk among people with PTSD.
The investigators will also examine whether this risk can be decreased with treatment for Insomnia Disorder.
Study Overview
Status
Recruiting
Intervention / Treatment
Detailed Description
Posttraumatic stress disorder (PTSD) is a disabling and costly psychiatric disorder that is estimated to occur in 20% of individuals who are exposed to a traumatic event and is chronic in one third of cases.
In addition to its negative impact on quality of life, there is substantial evidence that PTSD (even after controlling for depression and other risk factors) is associated with a markedly increased risk of cardiovascular morbidity and mortality.
However, the mechanisms for the association between PTSD and cardiovascular disease (CVD) risk are not well understood.
Although adverse health behaviors, including cigarette smoking, alcohol abuse and poor medication adherence are common in PTSD, recent prospective studies show that they do not account for the magnitude of CVD risk among individuals with PTSD.
The investigators propose to test our central hypothesis by evaluating whether CBT-I results in improved biomarkers of CVD risk among those with PTSD.
Well established biomarkers of CVD related morbidity and mortality will be used including measures of vascular endothelial function measured by brachial artery flow-mediated dilation (FMD), nighttime blood pressure (BP) dipping measured using 24-hour ambulatory blood pressure monitoring (ABPM), and sympathetic nervous system (SNS) activity as measured by 24-hour urinary catecholamines.
Investigators will also assess lipid profile, which along with BP is a modifiable component with marked impact on the atherosclerotic cardiovascular disease (ASCVD) risk score.
The primary sleep parameter of interest is objectively-measured sleep efficiency (through actigraphy), although self-report insomnia measures and sleep related arousal will also be measured.
The rationale for the proposed research is that once it is established that insomnia is an important and modifiable symptom conveying increased CVD risk in this population, the development of new and innovative approaches to integrating insomnia treatment with PTSD-focused interventions can be developed.
150 men and women with comorbid PTSD and insomnia disorder will be randomly assigned with a 2:1 ratio to 8-week cognitive behavioral therapy-Insomnia (CBT-I) intervention or a waiting period control condition.
Sleep quality parameters and CVD risk biomarkers will be assessed at pre-randomization baseline, post-intervention, and at a 6-month follow-up.
The study is designed to evaluate the association between insomnia and CVD risk biomarkers among persons with PTSD, and determine whether improvements in insomnia symptoms are associated with improvements in CVD risk biomarkers.
Study Type
Interventional
Enrollment (Estimated)
180
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Tiffany Mosher, MA
- Phone Number: (919) 684-1079
- Email: tiffany.mosher@duke.edu
Study Contact Backup
- Name: Angela Kirby, MS
- Phone Number: 175526 919-286-0411
- Email: angela.kirby@duke.edu
Study Locations
-
-
North Carolina
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Durham, North Carolina, United States, 27706
- Recruiting
- Duke University Medical Center
-
Contact:
- Angela C. Kirby, M.S.
- Phone Number: 5526 919-286-0411
- Email: angela.kirby@va.gov
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Principal Investigator:
- Jean C Beckham, Ph.D.
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
40 years to 59 years (Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Is between 40-59 years old;
- Has a current diagnosis of chronic PTSD (at least 3 months duration) based on the Clinician Administered PTSD Scale DSM-5 version (Weathers et al., 2013);
- Has a current diagnosis of ID as defined in the International Classification of Sleep Disorders (ICSD-3; American Academy of Sleep Medicine, 2014)
Exclusion Criteria:
- Has a history of CVD events, including myocardial infarction, stroke, transient ischemic attack, or coronary revascularization;
- Has diagnosis of congestive heart failure or coronary artery disease based on results of diagnostic testing;
- Has a current alcohol use or substance use disorder (those who meet lifetime but not current alcohol or substance use disorder will be included);
- Is currently participating in or has recently (past 6 months) participated in an evidence-based trauma focused therapy for PTSD;
- Has cognitive impairment as evidenced by less than 20 on the Montreal Cognitive Assessment scale (M0CA; Nasreddine et al., 2005);
- Meets criteria for a psychotic spectrum disorder or bipolar disorder;
- Has severely impaired hearing or speech;
- Is pregnant;
- Does not use benzodiazepines for sleep, and if prescribed benzodiazepines for some other use (e.g., anxiety, panic attacks), uses them fewer than four times in a one month period.;
- Is not stable (medications and dose stable for one month) on any other current psychoactive and/or cardiovascular medications or will not be stable on these medications during the course of the study;
- Works night shift;
- Is participating in another interventional study to address insomnia;
- Has prominent suicidal or homicidal ideation (as assessed through a clinical interview);
- Has a serious/terminal illness or other health problem that would prohibit participation in the study;
- Has nonclinically significant or sub-threshold insomnia as indicated by a score of <14 on the Insomnia Severity Index;
- Has seizures (based on clinical interview and self-report);
- Has a body mass index of 45 or greater;
- Has sleep apnea (based on the overnight assessment described below) or a positive sleep apnea screen;
- Has restless leg syndrome (based on the Duke Structured Interview for Sleep Disorders (DSISD); Edinger, Wyatt, & Olsen, 2009);
- Has an organic cause of sleep disruption that cannot be addressed by cognitive-behavioral changes (e.g., hyperthyroidism), as determined by the DSISD;
- Has excessive daytime sleepiness, defined as a score >15 on the Epworth Sleepiness Scale (ESS) or as determined by the DSISD;
- Does not complete sleep diary assessments within 6 hours of rising on at least 5 of the 7 days of the initial assessment period; or
- Cancels or no-shows for two or more Time 1 assessment appointments
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Cognitive Behavior Therapy for Insomnia (CBT-I)
Participants assigned to this arm will receive eight sessions of a well-established, evidence-based therapy called cognitive behavior therapy for insomnia (CBT-I).
|
8 sessions of treatment for insomnia.
Other Names:
|
Other: Minimal Contact Control Condition
Participants assigned to this condition will be contacted every week for eight weeks and monitored regarding their insomnia symptoms.
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Weekly calls to monitor insomnia symptoms.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in nighttime blood pressure
Time Frame: Baseline and post-treatment (approximately eight weeks)
|
Nighttime systolic and diastolic blood pressure measured by 24-hour ambulatory blood pressure monitor.
|
Baseline and post-treatment (approximately eight weeks)
|
Change in nighttime blood pressure
Time Frame: Baseline and 6-month follow-up
|
Nighttime systolic and diastolic blood pressure measured by 24-hour ambulatory blood pressure monitor.
|
Baseline and 6-month follow-up
|
Change in nighttime blood pressure dipping
Time Frame: Baseline and post-treatment (approximately eight weeks)
|
Systolic and diastolic blood pressure dipping measured by 24-hour ambulatory blood pressure monitoring, and defined as the percent change in blood pressure from the wake period to the nighttime sleep period.
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Baseline and post-treatment (approximately eight weeks)
|
Change in nighttime blood pressure dipping
Time Frame: Baseline and 6-month follow-up
|
Systolic and diastolic blood pressure dipping measured by 24-hour ambulatory blood pressure monitoring, and defined as the percent change in blood pressure from the wake period to the nighttime sleep period.
|
Baseline and 6-month follow-up
|
Change in vascular endothelial function
Time Frame: Baseline and post-treatment (approximately eight weeks)
|
Vascular endothelial function will be measured by vascular ultrasound to determine flow mediated dilation (FMD) of the brachial artery.
V
|
Baseline and post-treatment (approximately eight weeks)
|
Change in vascular endothelial function
Time Frame: Baseline and 6-month follow-up
|
Vascular endothelial function will be measured by vascular ultrasound to determine flow mediated dilation (FMD) of the brachial artery.
|
Baseline and 6-month follow-up
|
Change in nighttime sympathetic nervous system activity
Time Frame: Baseline and post-treatment (approximately eight weeks)
|
Measured by 24 hour urine collection (awake and sleep period collection separated) assayed for catecholamines (epinephrine, norepinephrine) and creatinine.
|
Baseline and post-treatment (approximately eight weeks)
|
Change in nighttime sympathetic nervous system activity
Time Frame: Baseline and 6-month follow-up
|
Measured by 24 hour urine collection (awake and sleep period collection separated) assayed for catecholamines (epinephrine, norepinephrine) and creatinine.
|
Baseline and 6-month follow-up
|
Change in 10-year atherosclerotic cardiovascular disease risk
Time Frame: Baseline and post-treatment (approximately eight weeks)
|
The risk of having a primary atherosclerotic cardiovascular disease event within 10 years will be based upon the pooled cohort equations model developed by the American College of Cardiology/American Heart Association.
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Baseline and post-treatment (approximately eight weeks)
|
Change in 10-year atherosclerotic cardiovascular disease risk
Time Frame: Baseline and 6-month follow-up
|
The risk of having a primary atherosclerotic cardiovascular disease event within 10 years will be based upon the pooled cohort equations model developed by the American College of Cardiology/American Heart Association.
|
Baseline and 6-month follow-up
|
Change in insomnia severity
Time Frame: Baseline and post-treatment (approximately eight weeks)
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Insomnia measured by the Insomnia Severity Index.
The measure has a score range from 0 to 28, with higher scores indicating more severe insomnia.
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Baseline and post-treatment (approximately eight weeks)
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Change in insomnia severity
Time Frame: Baseline and 6-month follow-up
|
Insomnia measured by the Insomnia Severity Index.
The measure has a score range from 0 to 28, with higher scores indicating more severe insomnia.
|
Baseline and 6-month follow-up
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Change in sleep efficiency
Time Frame: Baseline and post-treatment (approximately eight weeks)
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Sleep efficiency (percent-time asleep during the sleep period) measured by sleep diary and wrist actigraphy.
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Baseline and post-treatment (approximately eight weeks)
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Change in sleep efficiency
Time Frame: Baseline and 6-month follow-up
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Sleep efficiency (percent-time asleep during the sleep period) measured by sleep diary and wrist actigraphy.
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Baseline and 6-month follow-up
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in subjective sleep quality
Time Frame: Baseline and 6-month follow-up
|
Sleep quality will be measured by the Pittsburgh Sleep Quality Index.
The scale has a score range of 0 to 21, with lower scores on this measure indicating better sleep quality.
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Baseline and 6-month follow-up
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Change in subjective sleep quality
Time Frame: Baseline and post-treatment (approximately eight weeks)
|
Sleep quality will be measured by the Pittsburgh Sleep Quality Index.scale has a score range of 0 to 21, with lower scores on this measure indicating better sleep quality.
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Baseline and post-treatment (approximately eight weeks)
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Change in quality of life
Time Frame: Baseline and 6-month follow-up
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Quality of life will be measured using the Short Form-36 Health Survey.
Scores on this measure range from 0 to 100, with higher scores indicating better quality of life.
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Baseline and 6-month follow-up
|
Change in quality of life
Time Frame: Baseline and post-treatment (approximately eight weeks)
|
Quality of life will be measured using the Short Form-36 Health Survey.
Scores on this measure range from 0 to 100, with higher scores indicating better quality of life.
|
Baseline and post-treatment (approximately eight weeks)
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Jean C Beckham, PhD, Duke Health
- Principal Investigator: Andrew Sherwood, PhD, Duke Health
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
March 15, 2021
Primary Completion (Estimated)
December 31, 2024
Study Completion (Estimated)
December 31, 2024
Study Registration Dates
First Submitted
July 30, 2020
First Submitted That Met QC Criteria
August 3, 2020
First Posted (Actual)
August 4, 2020
Study Record Updates
Last Update Posted (Actual)
April 17, 2024
Last Update Submitted That Met QC Criteria
April 16, 2024
Last Verified
April 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PRO00100446
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
IPD Plan Description
There is no plan to share individual participant data.
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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