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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Vascular Dilation Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Fluid Milk in Attenuating Hyperglycemia and Hypertriglyceridemia After Meal

NCT02894112
View directory record Official record
Conditions
Oral Glucose Tolerance Test, High Fat Tolerance Test
Interventions
non-fat milk, carbohydrate control beverage, caloric control beverage
Dietary Supplement
Lead sponsor
University of Texas at Austin
Other
Eligibility
20 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2016 · Synced Jul 22, 2026, 2:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of Niacin on Endothelial Function in HIV-infected Subjects With Low High Density Lipoprotein Cholesterol Levels

NCT00986986
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 Jul 22, 2026, 2:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Longitudinal Assessment of Exercise Capacity and Vascular Function in Patients With CF

NCT03338595
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 Jul 22, 2026, 2:28 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Miconazole on Blood Flow

NCT00004575
View directory record Official record
Conditions
Healthy
Interventions
Miconazole, L-NMMA, Bradykinin
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 22, 2026, 2:28 PM EDT
Terminated Phase 1 Interventional

Nitrous Oxide Vasodilation Healthy Adult Volunteers

NCT01785030
View directory record Official record
Conditions
Peripheral Vein Vasodilation
Interventions
50% Nitrous oxide
Drug
Lead sponsor
Columbia University
Other
Eligibility
19 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced Jul 22, 2026, 2:28 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Targeting Inflammation to Treat Cardiovascular Aging

NCT01775865
View directory record Official record
Conditions
Vascular Stiffness, Endothelial Dysfunction, Diastolic Dysfunction
Interventions
Salsalate, Placebo (for salsalate)
Drug
Lead sponsor
Gary L. Pierce
Other
Eligibility
18 Years to 79 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 30, 2018 · Synced Jul 22, 2026, 2:28 PM EDT
Recruiting Not applicable Interventional

Impact of Cryotherapy Spray (Tru-Freeze) for the Eradication of Gastric Antral Vascular Ectasia (ICE-GAVE)

NCT07169799
View directory record Official record
Conditions
Gastric Antral Vascular Ectasia
Interventions
trūFreeze® Spray Cryotherapy System (STERIS Endoscopy)
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Jul 22, 2026, 2:28 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Neural Mechanism of Aldosterone-induced Insulin Resistance

NCT02102243
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 Jul 22, 2026, 2:28 PM EDT
Completed Not applicable Interventional

Investigation of Endothelium in Saphenous Vein Grafts

NCT01510821
View directory record Official record
Conditions
Endothelial Function of Saphenous Vein Grafts
Interventions
Use of Maquet Vasoshield Pressure-limiting syringe on SVG, Use of non-regulated syringe on SVG
Other
Lead sponsor
Emory University
Other
Eligibility
21 Years to 90 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 30, 2013 · Synced Jul 22, 2026, 2:28 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Inorganic Nitrate and Intensity of Exercise on Cardiovascular Health in Post-Menopausal Females

NCT05221905
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 Jul 22, 2026, 2:28 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Cryotherapy for GAVE

NCT04760873
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 Jul 22, 2026, 2:28 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Free Fatty Acids and Vascular Function in Subjects With Diabetes

NCT00153179
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
acipimox, placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2018 · Synced Jul 22, 2026, 2:28 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Response of Human Small Blood Vessels

NCT00001622
View directory record Official record
Conditions
Healthy, Hypercholesterolemia, Hypertension
Interventions
investigate the relationship between in vivo and in vitro vascular responses
Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 22, 2026, 2:28 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Sex Disparities in Hypoxic Sympatholysis and Impact of Obesity

NCT04436731
View directory record Official record
Conditions
Obesity, Healthy, Vasoconstriction, Vasodilation
Interventions
Hypoxia Exposure, Phenylephrine, Dexmedetomidine, Phentolamine, Norepinephrine
Other · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced Jul 22, 2026, 2:28 PM EDT
Completed No phase listed Observational

Evaluation of Patients With Known or Suspected Heart Disease

NCT00001313
View directory record Official record
Conditions
Peripheral Artery Disease, Coronary Disease, Diabetes and Heart Failure, Dilated Cardiomyopathy, Heart Failure, Renal Artery Stenosis, Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2009
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 2:28 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Impact of Early Aging and Menopause on the Vascular Responses to Hypoxia

NCT06417177
View directory record Official record
Conditions
Aging, Menopause, Hypoxia, Vasodilation
Interventions
Placebo, Propranolol, Gemtesa
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Jul 22, 2026, 2:28 PM EDT
Completed Not applicable Interventional Results available

Endothelial Function in Lower Extremity Bypass Grafts

NCT00759707
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 Jul 22, 2026, 2:28 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Tailored Messages to Increase Eye Examination Behavior

NCT00649766
View directory record Official record
Conditions
Eye Disease, Eye Care
Interventions
tailored newsletter, targeted newsletter
Behavioral
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
65 Years and older
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 31, 2008 · Synced Jul 22, 2026, 2:28 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Vascular Effects of Endothelium-Derived Versus Hemoglobin-Transported Nitric Oxide in Healthy Subjects

NCT00001963
View directory record Official record
Conditions
Diabetes Mellitus, Healthy, Hypercholesterolemia, Hypertension
Interventions
hemoglobin-transported nitric oxide
Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 22, 2026, 2:28 PM EDT
Not listed Phase 1 Interventional

Dilated cardiomYopathy iNtervention With Allogeneic MyocardIally-regenerative Cells (DYNAMIC)

NCT02293603
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 Jul 22, 2026, 2:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Daily Stress and Vascular Function in Midlife as a Risk Factor for Cognitive Decline

NCT06466655
View directory record Official record
Conditions
Middle-aged Adults, Major Depressive Disorder
Interventions
MitoTempol, Lactated Ringer's (control)
Drug
Lead sponsor
University of Delaware
Other
Eligibility
40 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Jul 22, 2026, 2:28 PM EDT
Completed Early Phase 1 Interventional

Impact of Ascorbic Acid Treatment on the Development and Treatment of Vasodilation in Cardiac Surgery

NCT03744702
View directory record Official record
Conditions
Vasoplegia
Interventions
Ascorbic Acid
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 10, 2021 · Synced Jul 22, 2026, 2:28 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Doxycycline Treatment to Prevent Progressive Coronary Artery Dilation in Children With Kawasaki Disease

NCT01917721
View directory record Official record
Conditions
Kawasaki Disease, Coronary Aneurysm
Interventions
Doxycycline, Placebo
Drug
Lead sponsor
Hawaii Pacific Health
Other
Eligibility
1 Month to 21 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jul 22, 2026, 2:28 PM EDT
Completed Phase 2 Interventional

STRETCH Study: Effect of Distensibility on Endothelial-Dependent Vasoreactivity in Patients With ISH

NCT00277875
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
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 26, 2009 · Synced Jul 22, 2026, 2:28 PM EDT