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ClinicalTrials.gov public records Last synced May 22, 2026, 3:48 AM 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: Vascular Dilation Clear all
Completed Phase 1 Interventional
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
L-NMMA, Sodium Nitrite
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced May 22, 2026, 3:48 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Coronary Artery Disease, Heart Disease, Ischemic, Coronary Stenosis
Interventions
Artimes Pro Low Profile Dilatation Catheter
Device
Lead sponsor
Eminence Clinical Research, Inc.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Indianapolis, Indiana • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 10, 2020 · Synced May 22, 2026, 3:48 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Obesity, Vasodilation, Healthy
Interventions
Propranolol Hydrochloride, Isoproterenol, Phentolamine Mesylate, Norepinephrine
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced May 22, 2026, 3:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
HIV Infections, Dyslipidemia, Endothelial Dysfunction
Interventions
extended release niacin
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Dec 17, 2012 · Synced May 22, 2026, 3:48 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Menopause, Elevated Blood Pressure, Hypertension, Endothelial Dysfunction
Interventions
Blueberry Powder, Placebo Powder
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 13, 2022 · Synced May 22, 2026, 3:48 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Microvascular Dysfunction
Interventions
Low sodium no cheese, Low sodium cheese, High sodium no cheese, High sodium cheese
Dietary Supplement
Lead sponsor
Lacy Alexander
Other
Eligibility
55 Years to 75 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2025 · Synced May 22, 2026, 3:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Endothelial Dysfunction, Oxidative Stress
Interventions
Creatine monohydrate, Placebo
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
50 Years to 64 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jan 12, 2023 · Synced May 22, 2026, 3:48 AM EDT
Not listed Phase 1 Interventional
View directory record Official record
Conditions
Dilated Cardiomyopathy (DCM), Ischemic Cardiomyopathy, Nonischemic Cardiomyopathy, Heart Failure
Interventions
Allogeneic Cardiosphere-Derived Cells (CDCs)
Biological
Lead sponsor
Capricor Inc.
Industry
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 20, 2016 · Synced May 22, 2026, 3:48 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 65 Years
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced May 22, 2026, 3:48 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Metabolic Syndrome X
Interventions
NOS Inhibition, ET-1 Inhibition, NOS Inhibition Placebo, 3 Tesla MRI, Intravenous Catheter, Oral Glucose Tolerance Test, ET-1 Inhibition Placebo
Drug · Device · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 17, 2021 · Synced May 22, 2026, 3:48 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
GAVE - Gastric Antral Vascular Ectasia, Bleeding, Bleeding Gastric
Interventions
cryotherapy
Device
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
5
States / cities
Tampa, Florida • New Hyde Park, New York • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced May 22, 2026, 3:48 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced May 22, 2026, 3:48 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
PERIPHERAL VASCULAR DISEASE
Interventions
Conventional angioplasty balloon, cryoplasty balloon
Procedure
Lead sponsor
North Texas Veterans Healthcare System
Federal
Eligibility
21 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
4
States / cities
Davenport, Iowa • Oklahoma City, Oklahoma • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2013 · Synced May 22, 2026, 3:48 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Healthy
Interventions
Sodium Nitrite, Sodium Nitrite Injection
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
21 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 22, 2026, 3:48 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Hypertension
Interventions
Nebivolol, Metoprolol ER (TM)
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years to 79 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2010 · Synced May 22, 2026, 3:48 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
acipimox, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced May 22, 2026, 3:48 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Diabetes, Retinopathy, Vascular Pathology
Interventions
Laser Doppler Flowmetry with topical acetylcholine and nitroglycerin
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 5, 2006 · Synced May 22, 2026, 3:48 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Galantamine, Placebo, TENS 7000
Drug · Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced May 22, 2026, 3:48 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
L-N^G monomethyl arginine (L-NMMA)
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced May 22, 2026, 3:48 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Systolic Hypertension, Brachial Artery Flow-mediated Dilation
Interventions
POWERbreathe K5
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced May 22, 2026, 3:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Obesity
Interventions
Grape seed extract
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated May 14, 2020 · Synced May 22, 2026, 3:48 AM EDT
Enrolling by invitation Not applicable Interventional
View directory record Official record
Conditions
Gastric Antral Vascular Ectasia
Interventions
Video Capillaroscopy
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 95 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
3
States / cities
Jacksonville, Florida • Eau Claire, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced May 22, 2026, 3:48 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
Acetylcholine, L-NMMA
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced May 22, 2026, 3:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pre Diabetes, Vascular Stiffness, Vascular Dilation, Cognitive Change, Retinal Vascular
Interventions
Meals + snacks: control, Meals + snacks: Avocado mango
Other
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
25 Years to 70 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced May 22, 2026, 3:48 AM EDT