- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04916327
Examining the Impact of Exercise Training on Vascular Dysfunction in Individuals With Mental Health Disorders - Study 1
August 3, 2023 updated by: Virginia Commonwealth University
The purpose of this research study is to examine the role oxidants, substances produced in the blood that can damage blood vessel function, may play in blood vessel function in healthy individuals as well as individuals with mental health disorders (posttraumatic stress disorder (PTSD) and/or generalized anxiety disorder (GAD)).
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Detailed Description
Study #1 is made up of three sessions done on three separate days and the entire study can be completed in as little as two weeks.
All testing sessions will take place at the Exercise Physiology Research Laboratory.
Volunteers will be asked to participate in one initial testing session (Visit 1) lasting < 1 hour that will help make them more familiar with the study equipment and procedures, determine body measures (height, weight, body fat), determine the maximum strength of their forearm and calf, and require one blood draw.
The following two testing sessions (Visits 2 and 3) with each session lasting between 2-3 hours that will involve multiple tests designed to determine the health of their blood vessels.
For Visit #2 they will be randomly given either antioxidant pills or placebo pills to determine the effect of oxidants on blood vessel health.
For Visit #3, they will be given whatever set of pills (antioxidant or placebo) that they did not receive during Visit #2.
Study Type
Interventional
Enrollment (Estimated)
720
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: Ryan Garten, PhD
- Phone Number: (804) 828-1948
- Email: rsgarten@vcu.edu
Study Locations
-
-
Virginia
-
Richmond, Virginia, United States, 23298
- Recruiting
- Virginia Commonwealth University
-
-
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
18 years to 35 years (Adult)
Accepts Healthy Volunteers
Yes
Description
Inclusion Criteria:
- apparently healthy and free of overt cardiovascular, pulmonary, or metabolic disease
- for PTSD group, a score of ≥ 33 on PCL-5 checklist
- for GAD group, a score of ≥ 10 on the GAD-7 self-report scale and < 33 on the PCL-5 checklist
- for Healthy Control group, a score of ≤ 10 on the GAD-7 self-report scale and < 33 on the PCL-5 checklist
Exclusion Criteria:
- taking medications that could influence cardiovascular function
- current smokers who have recently quit smoking
- illicit drug use or excessive alcohol consumption
- pregnant women
- significant calorie restriction or vitamin/mineral deficiencies
- limited English proficiency
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: Basic Science
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Antioxidant then Placebo
Subjects will ingest an antioxidant cocktail prior to their second visit and a placebo prior to third second visit
|
Subjects will ingest an antioxidant cocktail containing 800 milligrams of alpha lipoic acid, 1 gram of vitamin C (ascorbic acid), and 400 milligrams of vitamin E (alpha tocopherol).
Subjects will ingest placebo (microcrystalline cellulose) pills.
|
Experimental: Placebo then Antioxidant
Subjects will ingest a placebo prior to their second visit and an antioxidant cocktail prior to their third visit.
|
Subjects will ingest an antioxidant cocktail containing 800 milligrams of alpha lipoic acid, 1 gram of vitamin C (ascorbic acid), and 400 milligrams of vitamin E (alpha tocopherol).
Subjects will ingest placebo (microcrystalline cellulose) pills.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Arm Vascular Function at Rest (Flow Mediated Dilation Test)
Time Frame: Baseline to the end of the final visit, about 2 weeks
|
Change in Brachial Artery Dilation from Baseline Values
|
Baseline to the end of the final visit, about 2 weeks
|
Leg Vascular Function (Passive Leg Movement Test)
Time Frame: Baseline to the end of the final visit, about 2 weeks
|
Change in Leg Blood Flow Values from Baseline
|
Baseline to the end of the final visit, about 2 weeks
|
Arm Vascular Function in Response to Exercise (Handgrip Exercise Test)
Time Frame: Baseline to the end of the final visit, about 2 weeks
|
Change in Brachial Artery Dilation from Baseline Values
|
Baseline to the end of the final visit, about 2 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Ryan Garten, PhD, Virginia Commonwealth University
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)
August 23, 2021
Primary Completion (Estimated)
August 1, 2024
Study Completion (Estimated)
August 1, 2024
Study Registration Dates
First Submitted
May 24, 2021
First Submitted That Met QC Criteria
June 4, 2021
First Posted (Actual)
June 7, 2021
Study Record Updates
Last Update Posted (Actual)
August 4, 2023
Last Update Submitted That Met QC Criteria
August 3, 2023
Last Verified
August 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- HM20020955-1
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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