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Showing 1–24 of 59 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Microvascular Function Clear all
Recruiting Not applicable Interventional

Wild Blueberries for Gut, Brain, and Heart Health in Adults With High Blood Pressure

NCT06735599
View directory record Official record
Conditions
Hypertension (Without Type 2 Diabetes Mellitus), High Blood Pressure, Male, Female, Adult, Cognition, Endothelial Function (Reactive Hyperemia), Oxidative Stress, Diet, Overweight, Body Composition Measurement, Gut Microbiome, Arterial Stiffness, Caucasian Whites, Inflammation, Microvascular Function
Interventions
Wild Blueberry, Placebo
Dietary Supplement
Lead sponsor
Georgia State University
Other
Eligibility
45 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 5, 2026, 2:18 PM EDT
Recruiting Phase 4 Interventional

Mineralocorticoid Receptor, Coronary Microvascular Function, and Cardiac Efficiency in Hypertension

NCT05593055
View directory record Official record
Conditions
Hypertension, Left Ventricular Hypertrophy
Interventions
Eplerenone, Chlorthalidone, Potassium
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 5, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiac Autonomic Function in Women with Microvascular Coronary Dysfunction

NCT01568177
View directory record Official record
Conditions
Microvascular Coronary Dysfunction
Interventions
Mental Stress Testing, Peripheral Arterial Tonometry (PAT) Testing, Heart Rate Variability (HRV), RESPeRATE Breathing Trial, SPECT cardiac scan with 123I-mIBG and Myoview
Behavioral · Other · Procedure
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 5, 2026, 2:18 PM EDT
Recruiting No phase listed Observational

The Impact of Renal Transplant on Coronary Microvascular Function Among Patients With Advanced Chronic Kidney Disease

NCT07222683
View directory record Official record
Conditions
Chronic Kidney Disease, Kidney Transplant, Coronary Microvascular Dysfunction (CMD), Inflammation
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 5, 2026, 2:18 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 Sep 5, 2026, 2:18 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

The Effect of Adiposity on Muscle and Microvascular Function in HFpEF

NCT06930495
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction (HFPEF)
Interventions
Weight loss SOC Treatment with second generation anti-diabetic medications
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 5, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dose-dependent Effects of Second-hand Smoke on Vascular Function

NCT01007760
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Respirable suspended particles (RSP) PM 2.5 dose of second-hand smoke
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 40 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 18, 2011 · Synced Sep 5, 2026, 2:18 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Analysis of Heart Muscle Function in Patients With Heart Disease and Normal Volunteers

NCT00001459
View directory record Official record
Conditions
Cardiomyopathy, Hypertrophic, Coronary Disease, Healthy, Myocardial Ischemia, Syndrome X
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 5, 2026, 2:18 PM EDT
Completed Phase 2 Interventional Results available

Microvascular Assessment of Ranolazine in Non-Obstructive Atherosclerosis (MARINA)

NCT02147067
View directory record Official record
Conditions
Microvascular Angina
Interventions
Ranolazine, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 20, 2019 · Synced Sep 5, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Passive Limb Movement Study

NCT05935670
View directory record Official record
Conditions
Stroke, Vascular Diseases, Ischemic
Interventions
Ischemic Conditioning
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 85 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 5, 2026, 2:18 PM EDT
Recruiting Phase 1 Interventional

Effect of Dapagliflozin on Microvascular Function in Women With Symptoms of Coronary Artery Disease

NCT05762952
View directory record Official record
Conditions
Myocardial Ischemia
Interventions
Dapagliflozin 10mg Tab, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Sep 5, 2026, 2:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Nicotinamide Riboside on Metabolism and Vascular Function

NCT03501433
View directory record Official record
Conditions
Aging, Lipemia
Interventions
Nicotinamide riboside chloride (Niagen), Placebo
Dietary Supplement
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ames, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Sep 5, 2026, 2:18 PM EDT
Recruiting Not applicable Interventional

Wild Blueberries for Gut, Brain, and Cardiometabolic Health in Prediabetes

NCT06735651
View directory record Official record
Conditions
Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Female, Adult, Endothelial Function (Reactive Hyperemia), Arterial Stiffness, Cognition, Oxidative Stress, Gut Microbiota, Overweight, Inflammation, Microvascular Function, Body Composition
Interventions
Wild Blueberry, Placebo
Dietary Supplement
Lead sponsor
Georgia State University
Other
Eligibility
20 Years to 65 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 5, 2026, 2:18 PM EDT
Completed No phase listed Observational

Using Magnetic Resonance Imaging to Evaluate Heart Vessel Function After Angioplasty or Stent Placement Procedures

NCT00692991
View directory record Official record
Conditions
Myocardial Infarction, Angina, Unstable, Cardiomyopathy, Hypertrophic
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 22, 2016 · Synced Sep 5, 2026, 2:18 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Estrogen and Microvascular Function

NCT06043310
View directory record Official record
Conditions
Estrogen, Cardiovascular Diseases, Microvasculature, Oral Contraceptive Use
Interventions
Nω-nitro-L-arginine methyl ester (L-NAME), Acetylcholine, Sodium Nitroprusside
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2031
U.S. locations
1
States / cities
Wauwatosa, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 5, 2026, 2:18 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Non-invasive Characterization of Systemic Microvascular Reactivity by Near-infrared Diffuse Optical Spectroscopy in COVID-19 Patients

NCT04689477
View directory record Official record
Conditions
COVID-19, Endothelial Function
Interventions
Vascular occlusion test
Device
Lead sponsor
Corporacion Parc Tauli
Other
Eligibility
18 Years and older
Enrollment
612 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 31, 2022 · Synced Sep 5, 2026, 2:18 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Impact of Nrf2 Activation on Macrovascular, Microvascular & Leg Function & Walking Capacity in Peripheral Artery Disease

NCT06319339
View directory record Official record
Conditions
Peripheral Artery Disease, Peripheral Vascular Diseases, Peripheral Arterial Disease, Peripheral Arterial Occlusive Disease
Interventions
Vumerity, Placebo
Drug · Other
Lead sponsor
University of Nebraska
Other
Eligibility
50 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 5, 2026, 2:18 PM EDT
Recruiting Phase 1Phase 2 Interventional

Intermittent Hypoxia-initiated Plasticity in Humans: A Multi-pronged Therapeutic Approach to Treat Sleep Apnea and Overlapping Co-morbidities

NCT05558501
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Mild Intermittent Hypoxia, Sham MIH
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
30 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Sep 5, 2026, 2:18 PM EDT
Active, not recruiting No phase listed Observational

A Study to Evaluate Homocysteine Metabolism and Endothelial Function in ADPKD

NCT05193981
View directory record Official record
Conditions
Autosomal Dominant Polycystic Kidney Disease
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
15 Years to 40 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 5, 2026, 2:18 PM EDT
Recruiting Phase 2 Interventional

Sodium Glucose Co-Transporter 2 (SGLT2) and STEMI

NCT05305911
View directory record Official record
Conditions
Heart Attack, Enlarged Heart
Interventions
SGLT-2 inhibitors, Placebo
Drug
Lead sponsor
Minneapolis Heart Institute Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Sep 5, 2026, 2:18 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Hot Flashes and Neurovascular Function in Women

NCT05193968
View directory record Official record
Conditions
Hot Flashes, Menopause, Vasomotor System; Labile
Interventions
Sympathoexcitatory stressors, Sodium Nitroprusside, Acetylcholine, Terbutaline, Norepinephrine
Other · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 5, 2026, 2:18 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Oxidative Stress in Microvascular Dysfunction Following Gestational Diabetes

NCT05946785
View directory record Official record
Conditions
Gestational Diabetes, Vascular Endothelial Function
Interventions
Acetylcholine, insulin aspart
Drug
Lead sponsor
Anna Stanhewicz, PhD
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 5, 2026, 2:18 PM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Peripheral Vascular Effects of Sulfhydryl-containing Antihypertensive Pharmacotherapy on Microvessels in Humans

NCT03179163
View directory record Official record
Conditions
Hypertension,Essential
Interventions
Captopril Pill, Enalapril Pill, Hydrochlorothiazide
Drug
Lead sponsor
Penn State University
Other
Eligibility
40 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 5, 2026, 2:18 PM EDT
Completed Phase 2 Interventional Results available

Atorvastatin for Microvascular Endothelial Function and Raynaud in Early Diffuse Scleroderma

NCT02370784
View directory record Official record
Conditions
Scleroderma
Interventions
atorvastatin, Placebo
Drug
Lead sponsor
Robyn T. Domsic, MD, MPH
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Sep 5, 2026, 2:18 PM EDT