Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 12:49 AM EDT

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Showing 1–24 of 940 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Fibromyalgia
Interventions
Tyrosine, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
New York, New York
Conditions
Prostate Cancer
Interventions
Genistein, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Age-Related Cognitive Decline, Age-Related Memory Disorders
Interventions
DHA (nutritional supplement) or placebo
Dietary Supplement
Lead sponsor
dsm-firmenich Switzerland AG
Industry
Eligibility
55 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
14
States / cities
Mesa, Arizona • San Diego, California • Vista, California + 11 more
Conditions
Colorectal Cancer
Interventions
Vitamin D intervention, Placebo intervention
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 79 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Waco, Texas
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Beet-root Juice and PBM Treatments on Muscle Fatigue

NCT05596474
Conditions
Health Care Utilization, Healthy Aging
Interventions
Beet-root juice, red-light therapy, Placebo, sham light
Dietary Supplement · Radiation
Lead sponsor
Wake Forest University
Other
Eligibility
65 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Intervention for Visceral Adiposity

NCT01350518
Conditions
Obesity
Interventions
Benefiber, TrueLemon
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
20 Years to 50 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Healthy Adults
Interventions
Beetroot juice, Placebo drink
Dietary Supplement
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Austin, Texas
Terminated Not applicable Interventional

Vitamin D Supplementation in IBS

NCT03148288
Conditions
Irritable Bowel Syndrome, Vitamin D Deficiency, Abdominal Pain
Interventions
Vitamin D, placebo
Dietary Supplement
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Fermented Soy and Heartburn Symptom Relief

NCT03867591
Conditions
Heartburn, Acid Regurgitation
Interventions
Gastro-AD®, Placebo
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Renal Insufficiency, Chronic
Interventions
6R-BH4, 6R-BH4 placebo, Folic acid, Exercise training, Stretching, Histidine and beta-alanine supplementation, Histidine and beta-alanine placebo
Drug · Other · Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
18 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
3
States / cities
Atlanta, Georgia • Decatur, Georgia
Conditions
Obesity
Interventions
Drisdol (Ergocalciferol) Vitamin D2, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
11 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Stanford, California
Conditions
Post Menopausal Osteoporosis
Interventions
Placebo, Vitamin D and calcium supplementation, ibandronate [Bonviva/Boniva]
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
65 Years and older · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
7
States / cities
Beverly Hills, California • La Jolla, California • Augusta, Georgia + 4 more
Conditions
Sarcopenia
Interventions
Placebo, HMB plus Vitamin D, Non-Exercise, Exercise
Dietary Supplement · Drug · Behavioral
Lead sponsor
Metabolic Technologies Inc.
Industry
Eligibility
60 Years and older
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Ames, Iowa
Conditions
Overweight and Obesity
Interventions
Juice Plus
Dietary Supplement
Lead sponsor
Griffin Hospital
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Derby, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

Ergogenic Properties of Magnesium Supplementation

NCT05282693
Conditions
Exercise Performance, Gut -Microbiota, Mitochondrial Function
Interventions
ReMag, Placebo
Dietary Supplement
Lead sponsor
Christopher Bell
Other
Eligibility
18 Years to 40 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Conditions
Endothelial Dysfunction, Insulin Resistance, Metabolic Syndrome, Peripheral Arterial Disease
Interventions
Fish Oil (Omega-3 Fatty Acids)
Dietary Supplement
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 50 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

The Influence of Daily Grapes Intake on Sarcopenia in Postmenopausal Women

NCT05863507
Conditions
Sarcopenia
Interventions
Grape powder supplementation, Placebo
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
60 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Davis, California
Conditions
Reproductive Issues
Interventions
Vitamin D, Placebo
Dietary Supplement · Other
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
19 Years to 40 Years · Female only
Enrollment
998 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Detroit, Michigan • Research Triangle Park, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Probiotic Supplementation on Immune Function in Healthy Infants

NCT01542320
Conditions
Inflammation
Interventions
Lactobacillus reuteri DSM 17938, Placebo
Dietary Supplement · Other
Lead sponsor
Emory University
Other
Eligibility
6 Weeks to 32 Weeks
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Vitamin D Deficiency
Interventions
vitamin D, Placebo
Dietary Supplement · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 47 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Myocardial Infarction, Death, Sudden, Cardiac
Interventions
Omega-3 Fatty Acids (Fish Oil Supplements), Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years and older
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Asthma
Interventions
L-citrulline
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Gastrointestinal
Interventions
Synbiotic Dietary Supplement, Placebo
Dietary Supplement
Lead sponsor
OvationLab
Network
Eligibility
25 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Richmond, Virginia
Terminated Phase 4 Interventional Results available

Pancreatic Enzyme Supplementation for Celiac Disease

NCT02475369
Conditions
Celiac Disease
Interventions
pancrelipase
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts