- 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
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Sickle Cell Anemia
- Interventions
- L-NMMA, Sodium Nitrite
- Drug
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2007
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- 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
- 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
- Conditions
- Radial Artery
- Interventions
- Topical Heat
- Procedure
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Limb Ischemia, Ischemic Preconditioning
- Interventions
- Limb Ischemia, Acetylcholine
- Procedure · Drug
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
- NIH
- Eligibility
- 18 Years to 45 Years · Male only
- Enrollment
- 6 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2009
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Vasodilation, Blood Pressure, Active Hyperemia, Aging
- Interventions
- Super Beets, Beetroot powder
- Dietary Supplement
- Lead sponsor
- University of Iowa
- Other
- Eligibility
- 60 Years to 80 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Congenital Heart Disease, Fontan
- Interventions
- inhaled nitric oxide
- Drug
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 4 Years to 60 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2017
- U.S. locations
- 1
- States / cities
- San Francisco, California
- 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
- Conditions
- Cerebral Vasospasm After Subarachnoid Hemorrhage
- Interventions
- Dantrolene
- Drug
- Lead sponsor
- University of Massachusetts, Worcester
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2009
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts • Worcester, Massachusetts
- Conditions
- Peripheral Artery Disease, Claudication, Intermittent, Vasodilation
- Interventions
- Red Light (670 nm energy), Octafluoropropane
- Device · Drug
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2028
- U.S. locations
- 1
- States / cities
- Milwaukee, Wisconsin
- 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
- 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
- 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
- Vascular, Endothelial, Endothelial Dysfunction, Endothelix
- Interventions
- Vendys II Device
- Device
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 6 Years to 26 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Houston, Texas
- 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
- 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
- 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
- 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
- Conditions
- Vasodilation, Arterial Stiffness
- Interventions
- Acetylcholine, Sodium Nitroprusside, Ascorbic Acid
- Drug
- Lead sponsor
- Colorado State University
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Fort Collins, Colorado
- Conditions
- Drop Foot
- Interventions
- Diagnostic procedures, Lidocaine HCl
- Diagnostic Test
- Lead sponsor
- Stephen Barrett
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Marietta, Georgia
- Conditions
- Healthy Subjects
- Interventions
- Watermelon Rind, Watermelon Flesh, Watermelon Seeds, Placebo
- Dietary Supplement
- Lead sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
- Industry
- Eligibility
- 20 Years to 45 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- 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
- 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