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ClinicalTrials.gov public records Last synced Sep 30, 2026, 4:38 AM EDT

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Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Brachial artery blood flow Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Dose Response to the Norepinephrine Precursor Droxidopa in Hypotensive Individuals With Spinal Cord Injury

NCT03602014
View directory record Official record
Conditions
Hypotension, Orthostatic, Hypotension, Spinal Cord Injuries
Interventions
Northera, Placebo
Drug · Other
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2025 · Synced Sep 30, 2026, 4:38 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 Sep 30, 2026, 4:38 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Storage Lesion in Banked Blood Due to Disruption of Nitric Oxide (NO) Homeostasis

NCT01137656
View directory record Official record
Conditions
Healthy
Interventions
Acetylcholine and Blood
Drug
Lead sponsor
Mark Gladwin
Other
Eligibility
18 Years to 50 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2015 · Synced Sep 30, 2026, 4:38 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 Sep 30, 2026, 4:38 AM EDT
Completed Phase 4 Interventional

Tolvaptan/Ultrafiltration in the Treatment of Acute Heart Failure

NCT01863511
View directory record Official record
Conditions
Acute Decompensated Heart Failure
Interventions
loop diuretic, tolvaptan, ultrafiltration
Drug · Procedure
Lead sponsor
The Christ Hospital
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced Sep 30, 2026, 4:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

AngioDefender Versus Brachial Artery Ultrasound Imaging

NCT02468336
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
AngioDefender, Ultrasound
Device
Lead sponsor
Everist Genomics, Inc
Industry
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
4
States / cities
Boulder, Colorado • Derby, Connecticut • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2018 · Synced Sep 30, 2026, 4:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Dietary Sodium Intake on Vascular Endothelium

NCT01550315
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 5, 2022 · Synced Sep 30, 2026, 4:38 AM EDT
Recruiting No phase listed Observational

Testosterone Deficiency and Endothelial Dysfunction After Spinal Cord Injury

NCT07227740
View directory record Official record
Conditions
Spinal Cord Injuries, Endothelial Dysfunction, Testosterone Deficiency
Interventions
Intra-arterial Infusion of Vasoactive Agents, Intra-arterial Vitamin C Infusion, Blood Sampling
Diagnostic Test
Lead sponsor
Craig Hospital
Other
Eligibility
18 Years to 89 Years · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Sep 30, 2026, 4:38 AM EDT
Recruiting Not applicable Interventional

TSCS for Acute SCI

NCT05305118
View directory record Official record
Conditions
Acute Spinal Cord Injury, Blood Pressure, Hypotension
Interventions
TSCS Mapping, Transcutaneous spinal cord stimulation
Procedure · Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 89 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 30, 2026, 4:38 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Endothelial Dysfunction After SCI

NCT07227727
View directory record Official record
Conditions
Spinal Cord Injuries, Endothelial Dysfunction
Interventions
Intra-arterial Infusion of Vasoactive Agents, Intra-arterial Vitamin C Infusion, Blood Sampling
Procedure
Lead sponsor
Craig Hospital
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Sep 30, 2026, 4:38 AM EDT
Completed Phase 4 Interventional Results available

The Effect of Exenatide Compared to Lantus Insulin on Vascular Function in Type 2 Diabetes

NCT00353834
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Exenatide, Glargine Insulin
Drug
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
18 Years to 75 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 9, 2018 · Synced Sep 30, 2026, 4:38 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers Results available

FlowMet-R Blood Flow Measurement for the Diagnosis of Peripheral Artery Disease and Critical Limb Ischemia

NCT04120610
View directory record Official record
Conditions
Peripheral Artery Disease
Interventions
FlowMet-R, ABI, TBI
Diagnostic Test
Lead sponsor
Medtronic Endovascular
Industry
Eligibility
40 Years and older
Enrollment
195 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
5
States / cities
Des Moines, Iowa • Chesterfield, Missouri • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Sep 30, 2026, 4:38 AM 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 15, 2023 · Synced Sep 30, 2026, 4:38 AM EDT
Completed Phase 2 Interventional

Dietary Nitrate and Nitrite to Increase Nitric Oxide in Patients With Coronary Artery Disease

NCT00069654
View directory record Official record
Conditions
Coronary Arteriosclerosis
Interventions
Forearm blood flow study, Brachial artery reactivity study, Treadmill exercise test
Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
22 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Sep 30, 2026, 4:38 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Rosiglitazone on Blood Vessels in Patients With High Blood Pressure and High Cholesterol

NCT00006071
View directory record Official record
Conditions
Hypercholesterolemia, Hypertension
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Sep 30, 2026, 4:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Sports Supplements on Blood Flow

NCT04278053
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 24, 2022 · Synced Sep 30, 2026, 4:38 AM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Hand Perfusion and Pulse Oximetry Performance

NCT06925646
View directory record Official record
Conditions
Oxygen Saturation
Interventions
Finger hyperperfusion via adenosine, Finger hypoperfusion via by norepinephrine, Baseline hypoxic test
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Sep 30, 2026, 4:38 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Anthracycline-based Chemotherapy on Peripheral Vascular Function

NCT03062878
View directory record Official record
Conditions
Breast Cancer, Lymphoma, Chemotherapy Effect
Interventions
Arterial blood pressure, Vascular Ultrasound, Venous blood sample, Skin microcirculatory blood flow
Other
Lead sponsor
Carl Ade, M.S., Ph.D.
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2025 · Synced Sep 30, 2026, 4:38 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vascular Function and Uterine Fibroids

NCT02123069
View directory record Official record
Conditions
Leiomyoma
Interventions
Brachial artery catheter, Acetylcholine, Nitroprusside, Norepinephrine, Nitroprusside and phenylephrine
Device · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
25 Years to 50 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 2, 2018 · Synced Sep 30, 2026, 4:38 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Nebivolol and Endothelial Regulation of Fibrinolysis (NERF)

NCT01595516
View directory record Official record
Conditions
Prehypertension, Hypertension
Interventions
Nebivolol, Metoprolol, Placebo, Bradykinin, Saline, Vitamin C
Drug · Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
45 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Sep 30, 2026, 4:38 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Metabolomic Profiling of Novel Mediators of Vascular Function

NCT00762242
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
blood sampling and brachial artery ultrasound
Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 12, 2016 · Synced Sep 30, 2026, 4:38 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adipose Tissue and Immune Activation in HIV

NCT04439448
View directory record Official record
Conditions
Human Immunodeficiency Virus, Obesity
Interventions
dual-energy X-ray absorptiometry (DEXA) scan, Carotid and branchial artery ultrasound, 2-hour oral glucose tolerace test, Blood collection
Radiation · Other · Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 19, 2020 · Synced Sep 30, 2026, 4:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pharmacogenetics of Ace Inhibitor-Associated Angioedema

NCT01413542
View directory record Official record
Conditions
Hypertension, Diabetes Type 2
Interventions
Sitagliptin (DPP4 inhibitor), Substance P,, bradykinin, enalaprilat (ACE inhibitor), Glucagon-like peptide 1, brain natriuretic peptide
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 4, 2015 · Synced Sep 30, 2026, 4:38 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study to Analyze the Role of Sympathetic Nervous System in Spontaneous Coronary Artery Dissection

NCT05699200
View directory record Official record
Conditions
Spontaneous Coronary Artery Dissection, Healthy
Interventions
Arterial Tonometry, Echocardiogram, Carotid Ultrasounds, Elastography, Ankle-Brachial Index, Microneurography with sympathoexcitatory maneuvers
Other · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 30, 2026, 4:38 AM EDT