Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 12:26 PM EDT

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Showing 1–24 of 113 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Fermented Papaya and Driving Simulator Older Adult Study

NCT06672874
Conditions
Healthy
Interventions
Fermented Papaya Preparation (FPP)
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
70 Years to 80 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Not listed Not applicable Interventional Accepts healthy volunteers

Dietary Supplementation on Gastrointestinal Barrier Function

NCT06262880
Conditions
Intestinal Permeability
Interventions
plant derived phenolics, Microcrystaline cellulose (MCC)
Dietary Supplement · Other
Lead sponsor
Brightseed
Industry
Eligibility
30 Years to 69 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Addison, Illinois
Conditions
Resistance Exercise Performance, Cognitive Function, Anaerobic Performance, Dietary Supplementation Athletic Performance
Interventions
Low-dose Blackcurrant Supplement, High-dose Blackcurrant Supplement, Maltodextrin (Placebo)
Dietary Supplement
Lead sponsor
Jacksonville State University
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Jacksonville, Alabama
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Dose Response of a Lead Fiber Snack Prototype

NCT04729816
Conditions
Microbiota, Gastrointestinal Microbiome
Interventions
Controlled, high fat/low fiber diet background diet, sequentially supplemented with an escalating dose of a fiber-blend snack food.
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Diabetic Nephropathies, Proteinuria, Oxidative Stress
Interventions
N-acetylcysteine, silibin, high-dose silibin, N-acetylcysteine placebo, silibin placebo
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 70 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Vitamin D Deficiency, Rotator Cuff Tears
Interventions
Vitamin D3 supplementation, Placebo
Dietary Supplement · Other
Lead sponsor
Community Memorial Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
Ventura, California
Conditions
Physical Fitness
Interventions
Creatine Monohydrate, Rice Flour
Dietary Supplement
Lead sponsor
David Grant U.S. Air Force Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Fairfield, California
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of a Meal on Vitamin D Absorption

NCT01268176
Conditions
Vitamin D Deficiency
Interventions
cholecalciferol
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
50 Years to 69 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Not listed Not applicable Interventional Accepts healthy volunteers

Saffron as Anti Inflammatory Agent In Patients With Inflammatory Bowel Disease

NCT04749576
Conditions
Ulcerative Colitis
Interventions
saffron supplement for IBD
Dietary Supplement
Lead sponsor
Howard University
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Breast Cancer
Interventions
Omega-3 Supplementation
Dietary Supplement
Lead sponsor
Lauren Nye
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Westwood, Kansas
Conditions
Type 2 Diabetes Mellitus, Hospitalization, Hyperglycemia
Interventions
Sitagliptin, glargine, lispro
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 80 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Atlanta, Georgia
Terminated Phase 2 Interventional Results available

High Dose Vitamin D vs Standard Dose Vitamin D Study

NCT01988090
Conditions
Breast Cancer
Interventions
800 IU Vitamin D Supplement, 50,000 IU Vitamin D supplement
Drug
Lead sponsor
Mothaffar Rimawi
Other
Eligibility
18 Years and older · Female only
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
2
States / cities
St Louis, Missouri • Houston, Texas
Not listed Not applicable Interventional Accepts healthy volunteers

Melatonin and Salt on Blood Vessel Function

NCT04325191
Conditions
Cardiovascular Risk Factor
Interventions
Melatonin, Placebo
Dietary Supplement · Other
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Newark, Delaware
Conditions
Critical Illness
Interventions
Zinc sulfate
Drug
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
30 Days to 10 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Oakland, California
Conditions
TBI
Interventions
Omega 3 fatty acid, Safflower seed oil
Drug · Dietary Supplement
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Phase 3 Interventional Results available

CLARITY Extension Study

NCT00641537
Conditions
Relapsing-Remitting Multiple Sclerosis
Interventions
Cladribine, Placebo
Drug
Lead sponsor
EMD Serono Research & Development Institute, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
867 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
17
States / cities
Boulder, Colorado • Atlanta, Georgia • Chicago, Illinois + 14 more
Completed Not applicable Interventional Accepts healthy volunteers

Glycomacropeptide and Women's Health

NCT05551091
Conditions
Obesity
Interventions
glycomacropeptide (GMP)
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Up to 90 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers

Berberine Supplementation, Sprint Interval Training, and Immune Function Study

NCT07480018
Conditions
Berberine, Sprint Training, Wellbeing, Anaerobic Power, Inflammation Biomarkers, Monocyte Function
Interventions
Berberine, Placebo, Sprint Interval Training
Dietary Supplement · Other
Lead sponsor
University of Northern Colorado
Other
Eligibility
18 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Greeley, Colorado
Conditions
Critical Illness, Sarcopenia, ICU Acquired Weakness
Interventions
MRP and High Protein Supplement (HPRO) and Neuromuscular Electric Stimulation (NMES)
Combination Product
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
60 Years to 99 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Xoçai Antioxidant Supplements on Atherosclerosis Risk Factors

NCT00666250
Conditions
Hypertension, Dyslipidemia, Hyperglycemia
Interventions
Xocai Activ drink
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 95 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
COVID-19, SAR
Interventions
CBDRA60 supplement, Placebo
Dietary Supplement
Lead sponsor
Anewsha Therapeutics Inc.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Hanover, Michigan
Completed Phase 1 Interventional Accepts healthy volunteers

Dietary Fish and Omega 3 Fatty Acids for Breast Cancer Prevention

NCT01282580
Conditions
Breast Cancer
Interventions
Lovaza-Omega 3 fatty acid capsules, Dietary fish (canned salmon, albacore)
Dietary Supplement · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Diabetes Mellitus, Vitamin D Deficiency
Interventions
Vitamin D
Dietary Supplement
Lead sponsor
Ascension Health
Industry
Eligibility
34 Years to 69 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Flint, Michigan
Completed Phase 1 Interventional Accepts healthy volunteers

Lycopene in Healthy Male Participants

NCT00450957
Conditions
Healthy, no Evidence of Disease, Prostate Cancer
Interventions
lycopene, pharmacological study
Dietary Supplement · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 55 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Chicago, Illinois