Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 21, 2026, 8:47 AM EDT

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Showing 457–480 of 1,844 matching trials from the live ClinicalTrials.gov search.
Conditions
Peripheral Arterial Disease
Interventions
Pro-Omega, ProOmega Placebo
Dietary Supplement · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
50 Years to 100 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
San Francisco, California
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Anti-anxiety Biotics for Breast Cancer Survivors

NCT04784182
Conditions
Anxiety Generalized, Breast Cancer Female
Interventions
probiotic plus prebiotic supplement, placebo
Dietary Supplement
Lead sponsor
Auburn University
Other
Eligibility
50 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Auburn, Alabama
Conditions
Alcohol Use Disorder, Alcohol Withdrawal, Alcohol Dependence, Ketosis
Interventions
Kenetik; Ketone Concentrate, Isocaloric dextrose placebo
Dietary Supplement
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Wernersville, Pennsylvania
Conditions
Polycystic Ovary Syndrome
Interventions
Progesterone Vaginal Gel 8%, Letrozole Oral Tablet, pelvic ultrasound, Ovidrel 250 MCG Per 0.5 ML Prefilled Syringe, Intrauterine insemination or timed intercourse
Drug · Diagnostic Test · Other
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Norfolk, Virginia
Completed Early Phase 1 Interventional Accepts healthy volunteers

Optimization of Blood Levels of 25(OH)-Vitamin D in African Americans

NCT04939792
Conditions
Vitamin D Deficiency
Interventions
Vitamin D, Placebo, Vitamin D + L-cysteine, L-cysteine
Drug
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years to 65 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Shreveport, Louisiana
Conditions
Rotator Cuff Tears
Interventions
Clomiphene Citrate, Rotator Cuff Repair
Drug · Procedure
Lead sponsor
University of Utah
Other
Eligibility
40 Years to 80 Years · Male only
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Nicotinamide Riboside on Metabolism and Vascular Function

NCT03501433
Conditions
Aging, Lipemia
Interventions
Nicotinamide riboside chloride (Niagen), Placebo
Dietary Supplement
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ames, Iowa
Completed No phase listed Observational Accepts healthy volunteers

LCPUFA Supplementation: A Multi-Modality Imaging Study

NCT02076048
Conditions
Child Development
Interventions
Not listed
Lead sponsor
Kathleen Gustafson, Ph.D.
Other
Eligibility
7 Years to 12 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Healthy, no Evidence of Disease, Skin Cancer
Interventions
cholecalciferol
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
40 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Tucson, Arizona
Not listed Not applicable Interventional Accepts healthy volunteers

Creatine Supplementation At Simulated Altitude

NCT06489587
Conditions
Exercise Performance
Interventions
Placebo, Creatine
Dietary Supplement
Lead sponsor
California Polytechnic State University-San Luis Obispo
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Luis Obispo, California
Completed Phase 1Phase 2 Interventional Results available

Role Of Phosphorus And FGF 23 In Patients With Dent Disease

NCT02016235
Conditions
Dent Disease
Interventions
Phosphorus Supplement, Observation
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Everycell's Effect on DNA Damage, Inflammation, and Stress

NCT02032693
Conditions
Family Member
Interventions
Everycell™, Placebo
Dietary Supplement · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Miami, Florida
Conditions
Smith-Lemli-Opitz Syndrome, Cone-Rod Dystrophy, Hearing Loss
Interventions
Antioxidants, Cholesterol
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Up to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Prostate Neoplasm
Interventions
Soy Supplement, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Kansas City, Missouri
Conditions
Vitamin D Deficiency
Interventions
Redoxon VI, placebo
Dietary Supplement
Lead sponsor
Oregon State University
Other
Eligibility
55 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Corvallis, Oregon
Conditions
Rheumatoid Arthritis
Interventions
Short Chain Fatty Acids (SCFA) Dietary Supplement
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Graft Vs Host Disease, Vitamin A Deficiency, Vitamin D Deficiency
Interventions
Vitamin A, Placebo
Drug · Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
3
States / cities
Tampa, Florida • Buffalo, New York • Columbus, Ohio
Conditions
Type I Diabetes
Interventions
Capros
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
10 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Columbus, Ohio
Conditions
Parkinsonian Signs in Older Persons
Interventions
Carbidopa 25 mg, Carbidopa-Levodopa 25/100 mg
Drug
Lead sponsor
University of Michigan
Other
Eligibility
60 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Ann Arbor, Michigan
Conditions
Long-chain 3-hydroxyacyl-CoA Dehydrogenase Deficiency, Carnitine Palmitoyltransferase Deficiency 2, Very Long Chain Acyl Coa Dehydrogenase Deficiency, Trifunctional Protein Deficiency
Interventions
Nutritional Ketone Supplement, Isocaloric Placebo Supplement
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Intracranial Atherosclerosis
Interventions
Feraheme
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Effect of Fatty Acids on Memory Performance of Toddlers
Interventions
Flaxseed oil, corn oil
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Months to 16 Months
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Kannapolis, North Carolina
Conditions
Tuberculosis
Interventions
Vitamin D3, Placebo
Drug
Lead sponsor
Atlanta VA Medical Center
Federal
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional

Whipple Protein Study

NCT04306874
Conditions
Pancreatic Cancer, Malnutrition
Interventions
Ensure Max Protein
Dietary Supplement
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania