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ClinicalTrials.gov public records Last synced Oct 21, 2026, 6:16 AM EDT

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Showing 97–120 of 523 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Endothelial function Clear all
Completed Not applicable Interventional

The Effect of NADPH Oxidase and Creatine Supplementation on Microvascular Blood Flow Regulation

NCT06018480
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Creatine Monohydrate, Maltodextrin (Placebo)
Other
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 70 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Oct 21, 2026, 6:16 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

n-3 PUFA for Vascular Cognitive Aging

NCT01953705
View directory record Official record
Conditions
Age Related Cognitive Decline, Alzheimer's Disease, Vascular Dementia, Endothelial Dysfunction, Executive Dysfunction
Interventions
Omega 3 PUFA, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
75 Years and older
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 4, 2020 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of L-citrulline Supplementation on Vascular Function in Metabolic Syndrome

NCT06025357
View directory record Official record
Conditions
Metabolic Syndrome, Menopause
Interventions
L-Citrulline supplementation, Placebo
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
45 Years to 79 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Metabolic Causes of Thrombosis in Type 2 Diabetes - Question 4

NCT00574340
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Hyperinsulinemic Hypoglycemic Clamp
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Phase 2 Interventional Results available

Effect of Valsartan on Carotid Artery Disease

NCT00208767
View directory record Official record
Conditions
Carotid Artery Diseases, Atherosclerosis
Interventions
Valsartan, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
21 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 8, 2015 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Phase 1 Interventional

Physiological Effects of Grape Seed Extract in Diastolic Heart Failure

NCT01185067
View directory record Official record
Conditions
Diastolic Heart Failure, Hypertensive Heart Disease, Heart Failure With Preserved Ejection Fraction, Hypertension, Oxidative Stress
Interventions
grape seed extract (MegaNatural BP, Polyphenolics, Inc.)
Drug
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 6, 2017 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ROS Signaling in Endothelial Function

NCT01037465
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
Boston University
Other
Eligibility
21 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 10, 2017 · Synced Oct 21, 2026, 6:16 AM EDT
Completed No phase listed Observational

Racial Differences in Control of Blood Vessel Tone and Blood Flow

NCT00001747
View directory record Official record
Conditions
Atherosclerosis, Healthy, Hypertension
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 6:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COPD-Related Physiology and the Brain

NCT03269721
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 21, 2026, 6:16 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Comparing Approaches to Assess Nitric Oxide-dependent Cutaneous Vasodilation

NCT06499844
View directory record Official record
Conditions
Endothelial Function
Interventions
Acetylcholine
Drug
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 30 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 24, 2025 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Phase 4 Interventional Results available

Linagliptin's Effect on CD34+ Stem Cells

NCT02467478
View directory record Official record
Conditions
Type 2 Diabetes, Impaired Renal Function
Interventions
Linagliptin, Placebo
Drug
Lead sponsor
George Washington University
Other
Eligibility
30 Years to 70 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Not applicable Interventional Results available

Cardiovascular Risk Markers in Patients With Rheumatoid Arthritis: Effect of Rituximab Therapy

NCT00844714
View directory record Official record
Conditions
Endothelial Function, Rheumatoid Arthritis, Inflammation
Interventions
Rituxan
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 26, 2015 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of Vitamin D Supplementation on Endothelial Function in Obese Adolescents

NCT01746264
View directory record Official record
Conditions
Obesity, Endothelial Dysfunction, Vitamin D Deficiency
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
12 Years to 18 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 2, 2016 · Synced Oct 21, 2026, 6:16 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Endothelial Function in Young Hispanic Adults at Risk for Type 2 Diabetes

NCT01926938
View directory record Official record
Conditions
Obesity, Insulin Resistance
Interventions
Not listed
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 40 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 21, 2013 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Not applicable Interventional

Canola Oil Multicentre Intervention Trial (COMIT)

NCT01233778
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Canola Oil, High Oleic Acid + DHA Canola Oil, High Oleic Acid Canola Oil, Flax Oil, Safflower Oil
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
20 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of KETO5 XOGenius Beverage on Markers of Physiological and Neurocognitive Health

NCT06318390
View directory record Official record
Conditions
Cardiovascular Diseases, Hypertension, Cognitive Decline, Diet, Healthy
Interventions
XO Genius
Dietary Supplement
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
18 Years to 50 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Sep 26, 2025 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Phase 2 Interventional

The STRETCH Study: Distensibility on Endothelial-Dependent Vasoreactivity in Subjects With Systolic Hypertension

NCT00302250
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
ALT-711 (alagebrium chloride)
Drug
Lead sponsor
Synvista Therapeutics, Inc
Industry
Eligibility
50 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 22, 2006 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Phase 1 Interventional

The Effects of a Mediterranean Diet in Pediatric Hyperlipidemia

NCT01308710
View directory record Official record
Conditions
Hyperlipidemia
Interventions
Omega-3 fatty acid (Eicosapentaenoic acid)
Dietary Supplement
Lead sponsor
University of California, San Francisco
Other
Eligibility
8 Years to 17 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 27, 2014 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Phase 2 Interventional Results available

Inflammatory Pathogenesis of Coronary Atherosclerosis in HIV

NCT02624180
View directory record Official record
Conditions
Coronary Artery Disease, Human Immunodeficiency Virus
Interventions
Colchicine, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 21, 2021 · Synced Oct 21, 2026, 6:16 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Fisetin for Improving Vascular Function in Older Adults: A Phase II Clinical Trial

NCT07871162
View directory record Official record
Conditions
Aging, Endothelial Dysfunction, Cellular Senescence
Interventions
Fisetin, Placebo
Dietary Supplement · Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
65 Years and older
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impacts of a Combined Berry Extract Supplement on Vascular Function and Oxygen Utility Capacity in Young Adults

NCT04312022
View directory record Official record
Conditions
Healthy
Interventions
Berry extract, Placebo
Dietary Supplement · Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 35 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 6, 2024 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Aronia Berries on Vascular Endothelial Function and the Gut Microbiota in Middle-Aged/Older Adults

NCT03824041
View directory record Official record
Conditions
Endothelial Dysfunction, Aging
Interventions
Aronia full spectrum - half dose, Aronia full spectrum - full dose, Placebo
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
45 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 3, 2023 · Synced Oct 21, 2026, 6:16 AM EDT
Recruiting Early Phase 1 Interventional

Cardiovascular Effects of Angiotensin-(1-7) in Obesity Hypertension

NCT06482853
View directory record Official record
Conditions
Obesity, Hypertension
Interventions
Angiotensin-(1-7), Saline
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 21, 2026, 6:16 AM EDT
Completed Phase 1 Interventional

Endothelial Cell Dysfunction in Pulmonary Hypertension

NCT00098072
View directory record Official record
Conditions
Secondary Pulmonary Arterial Hypertension
Interventions
Heart Catheterization
Procedure
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 100 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 21, 2026, 6:16 AM EDT