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Showing 1–24 of 51 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed No phase listed Observational Accepts healthy volunteers

Vitamin D, Insulin Sensitivity, and Vascular Associations in Adolescents

NCT01041365
Conditions
Insulin Sensitivity, Flow-mediated Dilation, Arterial Stiffness
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Accepts healthy volunteers

Creatine Monohydrate Supplementation and Vascular Endothelial Health

NCT05014659
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
Conditions
Endothelial Dysfunction
Interventions
Telmisartan
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Atherosclerosis, Inflammation
Interventions
Sitagliptin, Placebo
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

COMP-4 Supplementation and Brachial Artery FMD

NCT05595915
Conditions
Aging, Endothelial Dysfunction, Senescence
Interventions
COMP-4
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 39 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Improve Endothelial Function and Decrease Vascular Stenosis
Interventions
Sildenafil, Placebo
Drug · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 99 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Birmingham, Alabama
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Study of Trilipix Effects on Lipids and Arteries

NCT01025492
Conditions
Dyslipidemia
Interventions
Trilipix, placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
30 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Sodium Nitrite to Treat Arterial Aging

NCT02022670
Conditions
Vascular Aging
Interventions
Placebo, Sodium Nitrite
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
50 Years to 79 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boulder, Colorado
Conditions
Diabetic Nephropathy, Endothelial Dysfunction
Interventions
flavonoids
Dietary Supplement
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
12 Years to 21 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Amarillo, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Sports Supplements on Blood Flow

NCT04278053
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
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Nitrate-rich Fruit and Vegetable Supplement on Blood Pressure

NCT03486145
Conditions
High Blood Pressure, Flow Mediated Dilation
Interventions
fruit and vegetable juice supplement, Placebo
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 40 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Black Forest Cocoa Flavanol Supplementation and Health Trial

NCT07747714
Conditions
Endothelial Function, Oxidative Stress, Inflamation, Vascular Health
Interventions
Cocoa Flavanol Supplement, Low-Flavanol Control Powder
Dietary Supplement
Lead sponsor
The Black Forest LLC
Industry
Eligibility
30 Years to 75 Years · Male only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Miami, Florida
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
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
Conditions
Coronary Artery Disease
Interventions
IPP, Placebo
Dietary Supplement · Other
Lead sponsor
Boston University
Other
Eligibility
21 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Short Term Ketone Supplementation and Cardiometabolic Health

NCT04236388
Conditions
Cardiovascular Risk Factor
Interventions
Ketone drink, Placebo drink
Dietary Supplement
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
50 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Blacksburg, Virginia
Conditions
Metabolic Syndrome, Obesity, Dyslipidemias
Interventions
Carbohydrate restricted group, Standard low fat diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
10 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Birmingham, Alabama
Conditions
Adverse Effect of Other Agents Primarily Affecting the Cardiovascular System, Initial Encounter
Interventions
Cigarette, NIDA test type with 16.6 mg nicotine, Cigarette, NIDA test type with <0.45 mg nicotine, Electronic cigarette with 18 mg/ml nicotine, Electronic Cigarette with no nicotine, Moist snuff, Sham Smoking, Secondhand cigarette smoke (SHS), Conditioned, filtered air, Sham Moist Snuff
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 50 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

Brachial Artery Ultrasound Imaging: A Repeatability Study

NCT02682576
Conditions
Cardiovascular Diseases
Interventions
Brachial artery ultrasound imaging
Procedure
Lead sponsor
Everist Genomics, Inc
Industry
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
2
States / cities
Derby, Connecticut • Milwaukee, Wisconsin
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Endothelin Receptor Function and Acute Stress

NCT02116335
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Nebivolol on Skeletal Muscle During Exercise in Hypertensive Patients

NCT01501929
Conditions
Hypertension
Interventions
Metoprolol succinate, Nebivolol, Non-invasive measurement of Cardiac Output (CO), Endothelial cell collection, Microvascular perfusion assessment using Definity
Drug · Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Cardiac Allograft Vasculopathy, Antibody Mediated Rejection
Interventions
Optical Coherence Tomography, Acetylcholine, Brachial Artery Flow Mediated Dilation
Device · Drug · Procedure
Lead sponsor
Gladwin, Mark, MD
Individual
Eligibility
18 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Mechanisms for Vascular Dysfunction and Exercise Tolerance in CF

NCT02690064
Conditions
Cystic Fibrosis
Interventions
Acute Antioxidant, Chronic Antioxidant, Placebo
Dietary Supplement · Other
Lead sponsor
Augusta University
Other
Eligibility
7 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Augusta, Georgia
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