Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 20, 2026, 9:58 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 4 Interventional Accepts healthy volunteers

Smoking Cessation and Functional CT Assessment

NCT03382106
Conditions
Emphysema
Interventions
Sildenafil 20 MG, Placebo Oral Tablet, Pulse wave velocity, Carotid artery compliance and stiffness, Pressure wave reflection
Drug · Diagnostic Test
Lead sponsor
Eric A. Hoffman
Other
Eligibility
21 Years to 65 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitric Oxide Bioavailability in Chronic Obstructive Pulmonary Disease (COPD)

NCT01398943
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Tetrahydrobiopterin (BH4), Antioxidant Cocktail
Drug · Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Augusta, Georgia
Completed Phase 4 Interventional Results available

Phosphate Lowering in CKD Trial

NCT02209636
Conditions
Chronic Kidney Disease, Cardiovascular Disease
Interventions
Lanthanum carbonate, placebo, Ascorbic Acid, Nitroglycerin, Flow-mediated dilation measurement, Aortic pulse-wave velocity, Endothelial cell collection
Drug · Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 79 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Hypertension, Cardiovascular Diseases, Vascular Diseases
Interventions
25 g of Freeze-dried Strawberry Powder, 50 g of Freeze-dried Strawberry Powder, Placebo Powder
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Tallahassee, Florida
Conditions
Hypotension, Arterial Stiffness
Interventions
SphygmoCor system
Device
Lead sponsor
University of Iowa
Other
Eligibility
50 Years to 85 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Vascular Dilation, Arterial Stiffness
Interventions
BEET IT - Concentrate Beet root juice, BEET IT - Concentrate Beet root juice (nitrate depleted)
Drug
Lead sponsor
University of Virginia
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Completed No phase listed Observational Accepts healthy volunteers

COPD-Related Physiology and the Brain

NCT03269721
Conditions
Pulmonary Disease, Chronic Obstructive (COPD), Cognitive Impairment
Interventions
Neuropsychological Assessment, Spirometry, Arterial Blood Gas, Diffusion Capacity of the Lung for Carbon Monoxide, 6 Minute Walk Test, Systemic Vascular Measures, Blood Biomarkers, Symptom Questionnaire Measures, Brain MRI
Behavioral · Procedure · Diagnostic Test + 1 more
Lead sponsor
Karin Hoth
Other
Eligibility
30 Years to 85 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Targeting ER Stress in Vascular Dysfunction

NCT04001647
Conditions
Vasodilation, Arterial Stiffness
Interventions
Acetylcholine, Sodium Nitroprusside, Ascorbic Acid
Drug
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Fort Collins, Colorado
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Endothelin Receptor Function and Acute Stress

NCT02116335
Conditions
Hypertension
Interventions
Bosentan, Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 50 Years
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
Augusta, Georgia
Completed No phase listed Observational Accepts healthy volunteers

Measurement of Pulse Wave Velocity

NCT02444650
Conditions
Healthy
Interventions
Pulse wave velocity measurement Photoplethysmogram, tonometer
Device
Lead sponsor
Nonin Medical, Inc
Industry
Eligibility
18 Years to 90 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Rochester, Minnesota
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Vascular Dysfunction in Hypertensive Postmenopausal Women

NCT03371823
Conditions
Cardiovascular Diseases, Hypertension
Interventions
Normotensive, Hypertensives
Other · Drug
Lead sponsor
University of Delaware
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Newark, Delaware
Conditions
Deep Vein Thrombosis, Pulmonary Embolism
Interventions
The Focus™ Neuromuscular Stimulation System
Device
Lead sponsor
University at Buffalo
Other
Eligibility
50 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Buffalo, New York
Conditions
Blood Pressure
Interventions
Freeze-dried Blueberry Powder, Placebo
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Tallahassee, Florida
Conditions
Obesity, Pre-hypertension, Hypertension
Interventions
Resistance exercise training, Hypocaloric diet, Resistance exercise training & diet
Other
Lead sponsor
Florida State University
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Tallahassee, Florida
Conditions
Fibromuscular Dysplasia of Arteries, Segmental Arterial Mediolysis, Spontaneous Coronary Artery Dissection, Atherosclerosis of Artery
Interventions
Shear Wave Elastography, Pulse Wave Imaging, Contrast-Enhanced Ultrasound, Strain Imaging, 3-D Volume Ultrasound
Device · Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Results available

Effect of Reducing Sedentary Behavior on Blood Pressure

NCT03307343
Conditions
Hypertension, Prehypertension
Interventions
Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years to 65 Years
Enrollment
271 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Terminated Not applicable Interventional Accepts healthy volunteers

Acute Sleep Loss and Arterial Stiffness

NCT05940467
Conditions
Arterial Stiffness
Interventions
Sleep Loss
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
20 Years to 29 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Breast Neoplasms
Interventions
Ultrasound- Virtual Touch Tissue Imaging Quantification
Device
Lead sponsor
Heidelberg University
Other
Eligibility
18 Years and older · Female only
Enrollment
1,304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Youngstown, Ohio
Conditions
End Stage Renal Disease
Interventions
there is no intervention
Other
Lead sponsor
Children's National Research Institute
Other
Eligibility
3 Years to 21 Years
Enrollment
150 participants
Timeline
2021 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Withdrawn Not applicable Interventional Accepts healthy volunteers

Utilization of Somatic Tissue Oxygen Saturation Monitoring in Pregnant Women

NCT03196141
Conditions
Pre-Eclampsia
Interventions
StO2 and EndoPAT
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Type 2 Diabetes
Interventions
vitamin D3, cholecalciferol, Inactive comparator
Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
19 Years to 60 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Augusta, Georgia
Conditions
Obesity, Pre-hypertension, Hypertension
Interventions
Whole Body Vibration Training, Hypocaloric diet, Whole body vibration training & diet
Other
Lead sponsor
Florida State University
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Tallahassee, Florida
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Stretching Training on Arterial Function and Autonomic Control

NCT01741766
Conditions
Obesity, Pre-hypertension, Hypertension
Interventions
Stretching Training
Other
Lead sponsor
Florida State University
Other
Eligibility
50 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Tallahassee, Florida
Conditions
Atherosclerotic Cardiovascular Disease
Interventions
Coronary Artery Calcium Scan, Carotid Artery Ultrasound, Lipoprotein(a) Measurement, Vascular Function Testing
Diagnostic Test
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Memphis, Tennessee