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ClinicalTrials.gov public records Last synced Sep 24, 2026, 12:49 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Recruiting Not applicable Interventional Accepts healthy volunteers

Chardonnay Marc and Vascular Response

NCT05545865
Conditions
Cardiovascular Diseases, Vascular Dilation, Oxidative Stress
Interventions
Low Flavanol Cocoa Powder, High Flavanol Cocoa Powder, Vine to Bar Chocolate - 2 servings, Vine to Bar Chocolate - 1 serving, Vine to Bar Chocolate covered almonds
Other
Lead sponsor
University of California, Davis
Other
Eligibility
30 Years to 50 Years · Male only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Davis, California
Conditions
Carotid Artery Stenosis, Carotid Artery Diseases, Carotid Stenosis
Interventions
Carotid artery stenting with Neuroguard IEP System
Device
Lead sponsor
Contego Medical, Inc.
Industry
Eligibility
20 Years to 80 Years
Enrollment
305 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
28
States / cities
Huntsville, Alabama • St. Helena, California • Washington D.C., District of Columbia + 24 more
Conditions
Kidney Failure, Chronic
Interventions
Repetitive arm exercise
Other
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Iowa City, Iowa
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
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2007
U.S. locations
9
States / cities
Los Angeles, California • San Diego, California • Honolulu, Hawaii + 4 more
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
Conditions
Diabetic Retinopathy
Interventions
Photography of the retina, Retinal photography
Procedure
Lead sponsor
Digital Diagnostics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
7
States / cities
Mesa, Arizona • Phoenix, Arizona • Cedar Rapids, Iowa + 2 more
Conditions
Healthy
Interventions
Nitroglycerin 15mg, Nitroglycerin 30mg, Lidocaine 20mg, Lidocaine 40mg, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 35 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
San Francisco, California
Conditions
Gastric Antral Vascular Ectasia
Interventions
Radiofrequency ablation
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 2 Interventional Results available

Vitamin D to Improve Endothelial Function in SLE

NCT01911169
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
Conditions
Healthy, Vasodilation, Insulin Resistance, Autonomic Dysfunction, Obesity
Interventions
Carbon dioxide breathing, Neurovascular Coupling, Human insulin
Other · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Adverse Childhood Experiences, Vascular Dilatation, Sleep, Sleep Disturbance, Psychosocial Stressor, Psychological Trauma, Endothelial Dysfunction, Inflammation, Oxidative Stress
Interventions
Cognitive Behavioral Therapy for Insomnia (CBT-i)
Behavioral
Lead sponsor
Nathaniel Jenkins
Other
Eligibility
18 Years to 29 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
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
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
Conditions
Gastric Antral Vascular Ectasia, Cirrhosis, Chronic Kidney Disease
Interventions
Gastric Emptying Breath Test
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
19 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Stable Sleep Pattern Before Sleep Loss

NCT06201390
Conditions
Sleep
Interventions
Sleep consistency
Behavioral
Lead sponsor
Texas Tech University
Other
Eligibility
35 Years to 64 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Lubbock, Texas
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers for Cardiovascular Disease

NCT00109018
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
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Comparing Approaches to Assess Nitric Oxide-dependent Cutaneous Vasodilation

NCT06499844
Conditions
Endothelial Function
Interventions
Acetylcholine
Drug
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 30 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Procedural Sedation
Interventions
AQUAVAN® (fospropofol disodium) Injection
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
15
States / cities
Phoenix, Arizona • Jacksonville, Florida • Louisville, Kentucky + 11 more
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
Conditions
Vasoconstriction, Vasodilation
Interventions
Handgrip Exercise Training, Acetylcholine, Adenosine Triphosphate, Atropine, Phenylephrine, Sodium Nitroprusside
Other · Drug
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Conditions
Obesity, Vascular Dementia, Cognitive Impairment
Interventions
Urolithin A, Placebo
Dietary Supplement · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
40 Years to 64 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Completed No phase listed Observational

Blood Vessel Study

NCT01524549
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
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