- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03929939
Neural Control and Cardiac-Vascular Function in Women With PTSD (VA Psychological Assessment)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Texas
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Dallas, Texas, United States, 75216
- Dallas VA Medical Center
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Dallas, Texas, United States, 75231
- The Institute for Exercise and Environmental Medicine
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Be either a female veteran with a current diagnosis of PTSD (for the PTSD group) or a female non-veteran without a current diagnosis of PTSD (for the non-PTSD control group).
- Be between the ages of 18-65.
- Sedentary (exercises less than three times a week for thirty minutes or less).
Exclusion Criteria:
- Any evidence of cardiopulmonary and neurological diseases by history or by physical examination.
- Chronic kidney disease (serum creatinine > 1.5 mg/dL).
- Peripheral vascular disease.
- Peripheral neuropathy.
- Current substance use disorder other than tobacco related.
- Endurance-trained athletes due to the effects of exercise training on sympathetic neural control and cardiac-vascular function.
- Current pregnancy.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
No Intervention: Control Group
|
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Experimental: Lifestyle Modification Group
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Exercise Training: A "personalized" training program will be developed for participants. Based on maximal steady state heart rate and resting heart rate, three training zones (recovery, base pace, and maximal steady state) will be determined. The target heart rate for each training zone will be set for each patient. The majority of training sessions during the early phase of the program will be prescribed as "base pace" with target heart rate equivalent to about 75% of maximal. Initially, patients will train 3 times per week for 20-30 minutes per session by walking, jogging or swimming. As the patients become relatively fit, the duration of the base training sessions will be prolonged, and subsequently sessions of increased intensity (i.e., maximal steady state) will be added. Healthy Eating: Participants will be provided with dietary advice consistent with the American Heart Association guidelines (D.A.S.H. diet eating plan). |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Muscle Sympathetic Nerve Activity (MSNA; Data collected by IEEM)
Time Frame: +PTSD vs. -PTSD baseline comparison; Changes from baseline following 12-week intervention
|
Muscle sympathetic nerve activity will be measured using microneurography at the peroneal nerve.
|
+PTSD vs. -PTSD baseline comparison; Changes from baseline following 12-week intervention
|
Clinician Administered Posttraumatic Stress Disorder Scale - 5 (CAPS-5; Data collected by VANTHCS)
Time Frame: Changes from baseline following 12-week intervention
|
CAPS-5 is a 30-item structured interview that corresponds to the DSM-5 diagnosis for PTSD.
The instrument is used to make a current or lifetime diagnosis of PTSD, as well as assess symptom severity.
Total symptom severity scores range from 0 to 80.
A higher score indicates greater symptom severity.
Individual symptom severity scores range from 0 (absent) to 4 (extreme/incapacitating) and are based on symptom frequency and intensity.
|
Changes from baseline following 12-week intervention
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
PTSD Checklist for DSM-5 (PCL-5; Data collected by VANTHCS)
Time Frame: Changes from baseline through 12-week intervention
|
Self-report measure of PTSD symptoms
|
Changes from baseline through 12-week intervention
|
Quick Inventory for Depressive Symptomatology-self report (QIDS- SR16; Data collected by VANTHCS)
Time Frame: Changes from baseline through 12-week intervention
|
Self-report measure of depression symptom severity.
Total scores range from 0-27.
A higher score indicates greater symptom severity.
|
Changes from baseline through 12-week intervention
|
Concise Health Risk Tracking Scale - self-report module (CHRT; data collected by VANTHCS)
Time Frame: Changes from baseline through 12-week intervention
|
The CHRT-SR is a 16-item self-report measure that assesses suicidal propensity and risk.
All items are scored on a 5-point Likert scale ranging from "strongly disagree" (0) to "strongly agree" (4).
The propensity score (items 1-13) assesses pessimism, helplessness, perceived lack of social support, and despair.
The propensity score may range from 0 to 52, with higher scores showing higher levels of suicidal propensity.
The risk score (items 14-16) assess thoughts and plans of killing oneself.
The risk score may range from 0-12, with a higher score showing higher levels of suicidal thoughts.
|
Changes from baseline through 12-week intervention
|
Quality of Life Enjoyment and Satisfaction Questionnaire - Short Form (Q-LES-Q-SF; data collected by VANTHCS)
Time Frame: Changes from baseline through 12-week intervention
|
The Q-LES-Q-SF is a 16 item self-report measure that assesses perceived quality of life.
All items are scored on a 5-point Likert scale ranging from "very poor" (1) to "very good" (5).
raw total score is created by summing the first 14 items.
The last two items are standalone items and not included in the total score.
Raw total score ranges from 14-70.
The raw total score is transformed into a percentage maximum possible score using the following formula: (raw total score - minimum score)/(maximum possible raw score-minimum score).
Percentage maximum ranges from 0% to 100, with a lower percentage indicating worse perceived quality of life.
|
Changes from baseline through 12-week intervention
|
36-Item Short Form Health Survey (SF-36; Data collected by IEEM)
Time Frame: +PTSD vs. -PTSD baseline comparison; Changes from baseline following 12-week intervention
|
The SF-36 is a 36-item self-report measure of general health status.
The measure includes multi-item scales to measure the following 8 dimensions: physical functioning; role limitations due to physical health problems; bodily pain; social functioning; general mental health; role limitations due to emotional problems; vitality, energy, or fatigue; and general health perceptions.
All items are scored so that a higher score indicates a more favorable health state.
The SF-36 produces two sets of scores: a profile of eight sections scores, and two summary scores (physical component scores [PCS] and mental component scores [MCS].
|
+PTSD vs. -PTSD baseline comparison; Changes from baseline following 12-week intervention
|
Endothelial function (data collected by IEEM)
Time Frame: +PTSD vs. -PTSD baseline comparison; Changes from baseline following 12-week intervention
|
Measured using flow-mediated vasodilation
|
+PTSD vs. -PTSD baseline comparison; Changes from baseline following 12-week intervention
|
Arterial stiffness (Data collected by IEEM)
Time Frame: +PTSD vs. -PTSD baseline comparison; Changes from baseline following 12-week intervention
|
Central and peripheral pulse wave velocity measured using arterial tonometry
|
+PTSD vs. -PTSD baseline comparison; Changes from baseline following 12-week intervention
|
Systolic and diastolic cardiac function (Data collected by IEEM)
Time Frame: +PTSD vs. -PTSD baseline comparison; Changes from baseline following 12-week intervention
|
Measured using echocardiogram
|
+PTSD vs. -PTSD baseline comparison; Changes from baseline following 12-week intervention
|
Physical Fitness (Data collected by IEEM)
Time Frame: Changes from baseline following 12-week intervention
|
Peak oxygen uptake (Douglas bag method) during submaximal and maximal treadmill test
|
Changes from baseline following 12-week intervention
|
Collaborators and Investigators
Investigators
- Principal Investigator: Geetha Shivakumar, MD, MS, Dallas VA Medical Center
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
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
- 16-061
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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