Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 7:20 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 89 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Nitrate and Physiological Aging

NCT02593305
Conditions
Aging
Interventions
Super Beets, Super Beets Placebo
Dietary Supplement
Lead sponsor
Darren P Casey
Other
Eligibility
18 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Healthy, Dietary Supplement
Interventions
Ozone, Fish Oil, Olive Oil
Drug · Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Negative Pressure Therapy, Wound, Open Wound, Type II Obese Diabetic, Type II Non-Obese Diabetic
Interventions
FPP
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
30 Years to 30 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
2
States / cities
Columbus, Ohio
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
Anemia, Cardiovascular Disease
Interventions
EPO, Feraheme
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
2
States / cities
Dallas, Texas
Withdrawn Phase 1Phase 2 Interventional Accepts healthy volunteers

Tocotrienols for Skeletal Muscle Health

NCT03708354
Conditions
Dynapenia, Postmenopausal Women
Interventions
placebo softgel, DeltaGold® Tocotrienol 70%
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
60 Years to 85 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Lubbock, Texas
Conditions
Prematurity; Extreme
Interventions
Vitamin D supplementation, No additional vitamin D supplementation
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 4 Days
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Urinary Tract Infections, Urinary Retention Postoperative, Pelvic Organ Prolapse
Interventions
Methenamine Hippurate 1 g tablet, Placebo tablet
Drug
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Hyperkalemia
Interventions
LOKELMA 5 GM Powder for Oral Suspension
Drug
Lead sponsor
NephroNet, Inc.
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
5
States / cities
La Jolla, California • Lawrenceville, Georgia • Fort Wayne, Indiana + 2 more
Conditions
Cyanotic Congenital Heart Disease, Anemia, Cyanosis, Congenital Heart Disease
Interventions
Epoetin Alfa and Iron, Iron
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
Up to 8 Weeks
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
San Diego, California
Conditions
Primary Ovarian Insufficiency, Female Infertility Due to Diminished Ovarian Reserve
Interventions
Testosterone cream (0.5mg per gram), DHEA, Placebo
Drug · Dietary Supplement
Lead sponsor
Center for Human Reproduction
Other
Eligibility
38 Years to 44 Years · Female only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2022
U.S. locations
2
States / cities
New York, New York • Rochester, New York
Conditions
Blood Sugar, Endothelial Function
Interventions
PEAK ATP® with GlycoCarn®, PEAK ATP®, GlycoCarn®, Placebo
Dietary Supplement · Other
Lead sponsor
Supplement Formulators, Inc.
Industry
Eligibility
25 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Terminated Phase 1 Interventional Accepts healthy volunteers

Trial of Antibody Responses by Vitamin Supplementation

NCT03859687
Conditions
Healthy Participants
Interventions
Vitamin A supplementation, No vitamin A supplementation
Biological
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
1 Year to 4 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Memphis, Tennessee
Completed Phase 3 Interventional Results available

B. Lactis HN019 for Functional Constipation

NCT01463293
Conditions
Constipation
Interventions
B. lactis HN019, Placebo
Dietary Supplement
Lead sponsor
Fonterra Research Centre
Industry
Eligibility
18 Years to 70 Years
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
12
States / cities
Glendale, Arizona • Encinitas, California • Garden Grove, California + 8 more
Conditions
Macular Telangiectasia Type 2
Interventions
Serine, Fenofibrate
Dietary Supplement · Drug
Lead sponsor
The Lowy Medical Research Institute Limited
Other
Eligibility
21 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
8
States / cities
Atlanta, Georgia • Ann Arbor, Michigan • Cleveland, Ohio + 5 more
Conditions
Gestational Diabetes Mellitus (GDM)
Interventions
Fiber
Dietary Supplement
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Norfolk, Virginia
Conditions
Military Operational Stress Reaction, Malnutrition (Calorie), Weight Loss, Muscle Wasting
Interventions
Protein, High-Protein, and Control
Dietary Supplement
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years and older · Male only
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Marine Corps Base Camp Lejeune, North Carolina
Conditions
Intrauterine Adhesion
Interventions
Intraoperative placement of an inflated intrauterine pediatric foley catheter, No Catheter placement, Hormonal Therapy Agent, Oral antibiotics
Procedure · Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older · Female only
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
3
States / cities
Little Rock, Arkansas • New York, New York • Cleveland, Ohio
Conditions
Post-acute COVID-19 Syndrome
Interventions
Vitamin K2 (MK-7), Vitamin D3
Dietary Supplement
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Asthma, Wheezing, In Utero Nicotine, Pulmonary Function
Interventions
No current intervention
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
6 Months to 11 Years
Enrollment
395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
2
States / cities
Indianapolis, Indiana • Portland, Oregon
Conditions
Heart Transplant Failure, Heart Transplant Infection
Interventions
Levothyroxine, Normal saline
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
San Francisco, California
Conditions
Glaucoma, Open-angle, Primary Open Angle Glaucoma (POAG)
Interventions
Nicotinamide, Standard Glaucoma Therapy
Drug · Other
Lead sponsor
University of Chicago
Other
Eligibility
40 Years to 80 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
End Stage Renal Failure on Dialysis
Interventions
Amino acid supplementation NephrAmine®
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
2
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Perceived Wellbeing and Focus with Daily Greens Supplementation

NCT06603038
Conditions
Well-Being, Psychological
Interventions
Gainful Daily Performance Greens
Dietary Supplement
Lead sponsor
Gainful
Industry
Eligibility
18 Years and older
Enrollment
252 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
New York, New York