NCT04922762

Brief Summary

The purpose of this research study is to examine the effect of various forms of exercise training on blood vessel function in healthy individuals as well as individuals with mental health disorders (posttraumatic stress disorder (PTSD) and/or generalized anxiety disorder (GAD)).

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
360

participants targeted

Target at P75+ for not_applicable

Timeline
7mo left

Started Dec 2021

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress89%
Dec 2021Dec 2026

First Submitted

Initial submission to the registry

May 24, 2021

Completed
18 days until next milestone

First Posted

Study publicly available on registry

June 11, 2021

Completed
6 months until next milestone

Study Start

First participant enrolled

December 6, 2021

Completed
5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2026

Last Updated

November 17, 2025

Status Verified

November 1, 2025

Enrollment Period

5 years

First QC Date

May 24, 2021

Last Update Submit

November 13, 2025

Conditions

Keywords

cardiovascular diseasevascular functionPTSDGADOxidant

Outcome Measures

Primary Outcomes (3)

  • Arm Vascular Function at Rest (Flow Mediated Dilation Test)

    Change in Brachial Artery Dilation from Baseline Values

    Baseline to the end of the final visit, about 14 weeks

  • Leg Vascular Function (Passive Leg Movement Test)

    Change in Leg Blood Flow Values from Baseline

    Baseline to the end of the final visit, about 14 weeks

  • Arm Vascular Function in Response to Exercise (Handgrip Exercise Test)

    Change in Brachial Artery Dilation from Baseline Values

    Baseline to the end of the final visit, about 14 weeks

Study Arms (3)

Moderate Intensity, Normal Volume Exercise Training

EXPERIMENTAL

Participants will complete study 1 (HM20020955-1) and then 10 weeks of moderate intensity, normal volume exercise training

Behavioral: Moderate Intensity, Normal Volume Exercise Training

High Intensity, Normal Volume Exercise Training

EXPERIMENTAL

Participants will complete study 1 (HM20020955-1) and then 10 weeks of high intensity, normal volume exercise training

Behavioral: High Intensity, Normal Volume Exercise Training

Moderate Intensity, High Volume Exercise Training

EXPERIMENTAL

Participants will complete study 1 (HM20020955-1) and then 10 weeks of moderate intensity, high volume exercise training

Behavioral: Moderate Intensity, High Volume Exercise Training

Interventions

Week 1 3 days/week for 20 minutes/day Performed at 70% of heart rate maximum Week 2 3 days/week for 30 minutes/day Performed at 70% of heart rate maximum Weeks 3-10 3 days/week for 45 minutes/day Performed at 70% of heart rate maximum

Moderate Intensity, Normal Volume Exercise Training

Week 1 3 days/week for 31 minutes/day 10 minute warm up at 50% of heart rate maximum 2 x 4 minute intervals 4 minutes at 90-95% of heart rate maximum 3 minutes at 70% of heart rate maximum REPEAT 7 minute cool down at 50% of heart rate maximum Week 2 3 days/week for 38 minutes/day 10 minute warm up at 50% of heart rate maximum 3 x 4 minute intervals 4 minutes at 90-95% of heart rate maximum 3 minutes at 70% of heart rate maximum REPEAT 2 TIMES 7minute cool down at 50% of heart rate maximum Weeks 3-10 3 days/week for 45 minutes/day 10 minute warm up at 50% of heart rate maximum 4 x 4 minute intervals 4 minutes at 90-95% of heart rate maximum 3 minutes at 70% of heart rate maximum REPEAT 3 TIMES 7 minute cool down at 50% of heart rate maximum

High Intensity, Normal Volume Exercise Training

Week 1 5 days/week for 20 minutes/day Performed at 70% of heart rate maximum Week 2 5 days/week for 30 minutes/day Performed at 70% of heart rate maximum Weeks 3-10 5 days/week for 45 minutes/day Performed at 70% of heart rate maximum

Moderate Intensity, High Volume Exercise Training

Eligibility Criteria

Age18 Years - 35 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • 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

You may not qualify if:

  • 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

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Virginia Commonwealth University

Richmond, Virginia, 23298, United States

RECRUITING

MeSH Terms

Conditions

Peripheral Vascular DiseasesCardiovascular DiseasesStress Disorders, Post-Traumatic

Condition Hierarchy (Ancestors)

Vascular DiseasesStress Disorders, TraumaticTrauma and Stressor Related DisordersMental Disorders

Study Officials

  • Ryan Garten, PhD

    Virginia Commonwealth University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Ryan Garten, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 24, 2021

First Posted

June 11, 2021

Study Start

December 6, 2021

Primary Completion (Estimated)

December 1, 2026

Study Completion (Estimated)

December 1, 2026

Last Updated

November 17, 2025

Record last verified: 2025-11

Locations