Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:14 AM EDT

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Showing 1–24 of 1,392 matching trials from the live ClinicalTrials.gov search.
Conditions
Wellness, Health
Interventions
Ubiquinol + geranylgeraniol, Geranylgeraniol, Ubiquinol, Ubiquinone, Placebo
Dietary Supplement · Other
Lead sponsor
OvationLab
Network
Eligibility
40 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
6
States / cities
El Dorado Hills, California • Centennial, Colorado • Palm Springs, Florida + 3 more
Conditions
Parkinson Disease, Parkinson Disease Dementia
Interventions
Tributyrin, Placebo
Drug
Lead sponsor
Prabesh Kanel
Other
Eligibility
45 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Active, not recruiting Not applicable Interventional

Physiological Effects Ketone Ester in Heart

NCT05924802
Conditions
Heart Failure
Interventions
Ketone Ester, Placebo
Dietary Supplement
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Phase 1 Interventional Accepts healthy volunteers

Resveratrol for Improved Performance in the Elderly

NCT01126229
Conditions
Memory
Interventions
Placebo, Low dose Resveratrol, High dose Resveratrol
Dietary Supplement · Drug
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Blueberry Intervention Study for Brain Aging

NCT05024916
Conditions
Brain Aging
Interventions
Intervention, Control
Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
65 Years to 89 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Healthy
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 80 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Type2 Diabetes, Coronary Artery Disease
Interventions
Liraglutide Pen Injector [Victoza], matching liraglutide-placebo pre-filled pens
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Miami, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Health Benefits of a 21-day Daniel Fast

NCT01378767
Conditions
Effects of Krill Oil on Human Health
Interventions
Krill oil supplementation
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Vitamin D Deficiency, Nutritional Deficiency
Interventions
High dose Cholecalciferol, Cholecalciferol
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
0 Days to 45 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Respiratory Failure
Interventions
Nitrate Rich Beetroot Juice, Placebo
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
56 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional

Dietary Fiber for Fecal Incontinence

NCT01738607
Conditions
Fecal Incontinence
Interventions
Psyllium, Gum Arabic, carboxymethylcellulose, Placebo
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Colorectal Adenomatous Polyps
Interventions
Eicosapentanoic acid and docosahexanoic acid, Oleic Acid
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
40 Years to 79 Years
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Healthy Adults
Interventions
RSB11-HI Heat-Inactivated Postbiotic, Placebo
Dietary Supplement · Other
Lead sponsor
Able Biolabs, LLC
Other
Eligibility
18 Years to 55 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Overweight, Obesity
Interventions
Dietary supplement containing plant derived phenolics, Microcrystaline cellulose
Dietary Supplement
Lead sponsor
Brightseed
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Addison, Illinois
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Acute Effects on Stem Cell Surveillance

NCT07341178
Conditions
Stem Cell Surveillance
Interventions
Anthocyanin-rich berry extract, Anthocyanin-rich flower/leaf extract, Berry /leaf blend, Placebo
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Klamath Falls, Oregon
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Quercetin, Placebo - sugar chew
Drug · Other
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 80 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Healthy Volunteers
Interventions
Rhodiola rosea (low dose), Rhodiola rosea (high dose), Placebo capsules
Dietary Supplement
Lead sponsor
Jacksonville State University
Other
Eligibility
18 Weeks to 40 Weeks
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Jacksonville, Alabama
Conditions
Schizophrenia
Interventions
BF2.649, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Dallas, Texas
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Efficacy of an Avocado Dietary Supplement

NCT07354308
Conditions
Overweight, Metabolic Health, Insulin Resistance
Interventions
Metavo Supplement, Placebo
Dietary Supplement
Lead sponsor
SP Nutraceuticals Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Completed Not applicable Interventional

Probiotics in Primary Care

NCT01254097
Conditions
Antibiotic Side Effect
Interventions
Probiotic
Dietary Supplement
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 79 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Hershey, Pennsylvania
Conditions
Obesity Adult Onset
Interventions
Grape Seed Extract
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Riverside, California
Conditions
Intrauterine Growth Restriction
Interventions
Pomegranate Juice, Placebo Juice
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional

Glutamate Neuro-Excitotoxicity in GWI

NCT03342482
Conditions
Gulf War Syndrome
Interventions
Low-glutamate diet
Other
Lead sponsor
American University
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed Phase 4 Interventional Results available

Inositol and Omega-3 Fatty Acids in Pediatric Mania

NCT01396486
Conditions
Pediatric Bipolar Spectrum Disorders
Interventions
Omega-3, Inositol
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
5 Years to 12 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts