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ClinicalTrials.gov public records Last synced May 21, 2026, 11:06 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.
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Filters: Condition: Flow-mediated Dilation Clear all
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
4/day of 4g P-OM3 capsules, 4/day of 1g P-OM3 capsules, Corn Oil Placebo, 4 capsules/day for 8 weeks
Drug
Lead sponsor
Penn State University
Other
Eligibility
21 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 12, 2018 · Synced May 21, 2026, 11:06 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced May 21, 2026, 11:06 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Dyslipidemia
Interventions
Trilipix, placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
30 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 31, 2016 · Synced May 21, 2026, 11:06 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Diabetic Nephropathy, Endothelial Dysfunction
Interventions
flavonoids
Dietary Supplement
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
12 Years to 21 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Amarillo, Texas
Source: ClinicalTrials.gov public record
Updated Dec 16, 2012 · Synced May 21, 2026, 11:06 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Tetrahydrobiopterin (BH4), Antioxidant Cocktail
Drug · Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 22, 2021 · Synced May 21, 2026, 11:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Cardiovascular Disease, Cigarette Smoking
Interventions
Subject's usual brand (UB) tobacco product
Other
Lead sponsor
R.J. Reynolds Tobacco Company
Industry
Eligibility
26 Years to 49 Years · Male only
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 16, 2016 · Synced May 21, 2026, 11:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Determine the Effects of Nitrosigine and Citrulline-malate on Flow-mediated Dilation Among Young Adults
Interventions
inositol-stabilized arginine silicate
Dietary Supplement
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years to 29 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated May 23, 2022 · Synced May 21, 2026, 11:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Postural Tachycardia Syndrome (POTS)
Interventions
Pulsitile Arterial Tonometry (PAT) Protocol, Calf Blood Flow in Reactive Hyperemia (CBF-RH), Evaluation of Forearm-Mediated Dilation
Procedure · Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 4, 2022 · Synced May 21, 2026, 11:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Brachial artery ultrasound imaging
Procedure
Lead sponsor
Everist Genomics, Inc
Industry
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
2
States / cities
Derby, Connecticut • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced May 21, 2026, 11:06 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Hypertension
Interventions
Metoprolol succinate, Nebivolol, Non-invasive measurement of Cardiac Output (CO), Endothelial cell collection, Microvascular perfusion assessment using Definity
Drug · Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 5, 2018 · Synced May 21, 2026, 11:06 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Prehypertension
Interventions
Amiloride
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 35 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2010
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 22, 2012 · Synced May 21, 2026, 11:06 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Acute Antioxidant, Chronic Antioxidant, Placebo
Dietary Supplement · Other
Lead sponsor
Augusta University
Other
Eligibility
7 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced May 21, 2026, 11:06 PM EDT
Completed Not applicable Interventional
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 9, 2010 · Synced May 21, 2026, 11:06 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Atherosclerosis, Systemic Lupus Erythematosus
Interventions
Cholecalciferol
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 80 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced May 21, 2026, 11:06 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
IPP, Placebo
Dietary Supplement · Other
Lead sponsor
Boston University
Other
Eligibility
21 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 24, 2012 · Synced May 21, 2026, 11:06 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Sildenafil (Acute-1 hour), Sildenafil (Subchronic-4 weeks), Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 23, 2020 · Synced May 21, 2026, 11:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Adverse Effect of Other Agents Primarily Affecting the Cardiovascular System, Initial Encounter
Interventions
Cigarette, NIDA test type with 16.6 mg nicotine, Cigarette, NIDA test type with <0.45 mg nicotine, Electronic cigarette with 18 mg/ml nicotine, Electronic Cigarette with no nicotine, Moist snuff, Sham Smoking, Secondhand cigarette smoke (SHS), Conditioned, filtered air, Sham Moist Snuff
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 50 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 26, 2021 · Synced May 21, 2026, 11:06 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Atherosclerosis, Inflammation
Interventions
Sitagliptin, Placebo
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced May 21, 2026, 11:06 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Pre-hypertension
Interventions
Strawberry Beverage, Placebo
Other
Lead sponsor
University of California, Davis
Other
Eligibility
25 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2017 · Synced May 21, 2026, 11:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
Augusta University
Other
Eligibility
7 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 18, 2021 · Synced May 21, 2026, 11:06 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hypertension
Interventions
DEFINITY® infusion, Human Recombinant Regular Insulin infusion, Dextrose infusion, Flow mediated vasodilation, Endothelial cell collection, Microvascular perfusion assessment using Definity, Microneurography
Drug · Procedure
Lead sponsor
Wanpen Vongpatanasin
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 14, 2023 · Synced May 21, 2026, 11:06 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Stroke
Interventions
Ischemic Conditioning, Antioxidant Supplement
Device · Dietary Supplement
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced May 21, 2026, 11:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 11:06 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Prehypertension, Mild Hypertension
Interventions
Hawthorn, Placebo capsule
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 6, 2013 · Synced May 21, 2026, 11:06 PM EDT