- Conditions
- Healthy
- Interventions
- Not listed
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
- NIH
- Eligibility
- Male only
- Enrollment
- 18 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2000 – 2003
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 25–37
of 37
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Hypertension, Cardiovascular Diseases, Diabetes
- Interventions
- Herbiotics Oral + Ent Probiotic, Placebo
- Dietary Supplement
- Lead sponsor
- Wake Forest University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Healthy
- Interventions
- concentrated beet root juice, Placebo beet root juice
- Drug
- Lead sponsor
- University of Virginia
- Other
- Eligibility
- 18 Years to 34 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Charlottesville, Virginia
- Conditions
- Performance
- Interventions
- Dietary Nitrate, Potassium Chloride (placebo)
- Dietary Supplement
- Lead sponsor
- Florida State University
- Other
- Eligibility
- 20 Years to 35 Years · Male only
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014
- U.S. locations
- 2
- States / cities
- Tallahassee, Florida
- Conditions
- Heart Failure, Hypertension, Pulmonary
- Interventions
- Beetroot juice
- Dietary Supplement
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 17 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2023
- U.S. locations
- 2
- States / cities
- Indianapolis, Indiana • St Louis, Missouri
- Conditions
- Secondary Amenorrhea
- Interventions
- Beetroot Juice - Active, Placebo Beetroot Juice Without Nitrate
- Dietary Supplement
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years to 44 Years · Female only
- Enrollment
- 3 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Peripheral Arterial Disease, Peripheral Artery Disease
- Interventions
- Placebo, Beet root juice
- Dietary Supplement
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 50 Years to 85 Years
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2022
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Blood Pressure, Endothelial Dysfunction
- Interventions
- Plant based bioequivalent Nitrate supplementation, Placebo
- Dietary Supplement
- Lead sponsor
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
- Other
- Eligibility
- 40 Years to 75 Years
- Enrollment
- 67 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Torrance, California
- Conditions
- Aging, Arterial Stiffness, Endothelial Dysfunction, Hypertension, Cognitive Decline
- Interventions
- Experimental: Nitrate-containing, Placebo: Nitrate-depleted
- Drug
- Lead sponsor
- Gary L. Pierce, PhD
- Other
- Eligibility
- 50 Years to 79 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2024
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- 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
- Conditions
- Postmenopausal Women
- Interventions
- Beetroot juice, Beetroot juice placebo
- Drug
- Lead sponsor
- Penn State University
- Other
- Eligibility
- 55 Years to 80 Years · Female only
- Enrollment
- 16 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2020
- U.S. locations
- 1
- States / cities
- University Park, Pennsylvania
- Conditions
- Aging
- Interventions
- Beetroot Juice, Placebo Beetroot Juice
- Dietary Supplement · Other
- Lead sponsor
- Marquette University
- Other
- Eligibility
- 60 Years to 90 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Milwaukee, Wisconsin
- Conditions
- Hypertension, Elevated Blood Pressure
- Interventions
- Vascanox® HP
- Dietary Supplement
- Lead sponsor
- Calroy Health Sciences
- Industry
- Eligibility
- 25 Years to 80 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee