Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 19, 2026, 12:54 AM EDT

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Showing 1–24 of 190 matching trials from the live ClinicalTrials.gov search.
Conditions
Breast Cancer, Osteoporosis
Interventions
calcium carbonate, vitamin D, risedronate sodium, placebo
Dietary Supplement · Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
198
States / cities
Mobile, Alabama • Scottsdale, Arizona • Aurora, Colorado + 124 more
Conditions
Preterm Birth, Preterm Labor, Bacteremia, Preterm Premature Rupture of Fetal Membranes
Interventions
Prenatal vitamin-mineral containing 3 mg fluoride, Prenatal vitamin-mineral containing 0 mg fluoride
Drug · Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Malnutrition, Pancreatic Cancer
Interventions
proteolytic enzymes, gemcitabine hydrochloride, Gonzalez regimen
Biological · Drug · Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin/Mineral Absorption From Two Different Supplements

NCT05336994
Conditions
Healthy Nutrition
Interventions
Multivitamin/mineral supplement A, Multivitamin/mineral supplement B
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 32 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Davis, California
Completed Not applicable Interventional Accepts healthy volunteers

Healthy and Affordable Protein Rich Foods for African Market

NCT02757508
Conditions
School Feeding Programs and Nutrition Supplements
Interventions
protein powder supplement, Vitamins/minerals
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
6 Years to 9 Years
Enrollment
1,041 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Leukemia, Lymphoblastic, Acute, Osteoporosis
Interventions
Calcium carbonate (Tums), vitamin D, Placebo
Drug · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
429 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
3
States / cities
Memphis, Tennessee
Conditions
Healthy, Impaired Glucose Tolerance
Interventions
Dietary supplement regimen, Dietary supplement and intermittent fasting regimen
Dietary Supplement · Other
Lead sponsor
Unicity International, Inc.
Industry
Eligibility
30 Years to 69 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Addison, Illinois
Conditions
Vitamin D Deficiency
Interventions
Vitamin D, 25(OH)D3
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Los Angeles, California
Conditions
Glioblastoma, Glioblastoma Multiforme
Interventions
Ferumoxytol injection, Pharmacological ascorbate, External beam radiation therapy, Temozolomide
Drug · Radiation
Lead sponsor
Bryan Allen
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Clinical Trial of Vitamin D3 to Reduce Cancer Risk in Postmenopausal Women

NCT01052051
Conditions
Cancer
Interventions
Vitamin D3, Calcium carbonate
Dietary Supplement
Lead sponsor
Creighton University
Other
Eligibility
55 Years and older · Female only
Enrollment
2,303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Fremont, Nebraska
Conditions
Breast Neoplasms
Interventions
Vitamin D, Calcium carbonate, Vitamin D, Placebo
Dietary Supplement · Drug · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
Completed Not applicable Interventional Accepts healthy volunteers

Folic Acid Supplementation in Pregnant Women: Dose Response

NCT02124642
Conditions
Pregnancy
Interventions
Folic acid, 400 mcg/day, Folic acid 800 mcg/day
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Athens, Georgia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Patient Activation After DXA Result Notification

NCT01507662
Conditions
Osteoporosis, Bone Diseases, Metabolic
Interventions
Bone Mineral Density Result Letter and Bone Health Brochure
Behavioral
Lead sponsor
Fredric D Wolinsky
Other
Eligibility
50 Years and older
Enrollment
7,749 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
3
States / cities
Birmingham, Alabama • Atlanta, Georgia • Iowa City, Iowa
Conditions
Gastrointestinal Symptoms
Interventions
Prog: Purify-2
Other
Lead sponsor
Nature's Sunshine Products, Inc.
Industry
Eligibility
18 Years to 69 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lehi, Utah
Conditions
Gastrointestinal Microbiome, Nutrition, Healthy
Interventions
AG1 - Nutritional Supplement, Placebo
Dietary Supplement
Lead sponsor
Athletic Greens International
Industry
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Cataract, Macular Degeneration
Interventions
selenium, vitamin E, vitamin E placebo, selenium placebo
Drug
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
50 Years to 120 Years · Male only
Enrollment
13,475 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Hair Thinning
Interventions
Nutrafol Vegan Women's Hair Supplement
Dietary Supplement
Lead sponsor
Nutraceutical Wellness Inc.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Manhattan Beach, California • Sacramento, California
Conditions
Neovascular Age-related Macular Degeneration, Diabetic Macular Edema
Interventions
Neutral pills with no medicinal effect, Inosine; Tocopherols, Tocotrienol, CoQ10 combination capsule; Niacinamide SR; Viatmin C; N-acetyl Cysteine; Complete Multivitamin with all minerals, Inosine; Tocopherol, Tocotrienol, CoQ10 combination capsule; Niacinamide; Vitamin C; N-acetyl Cysteine; Complete Multivitamin with all minerals; Minocycline
Drug · Dietary Supplement
Lead sponsor
Mid-Atlantic Retina Consultations, Inc.
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Morgantown, West Virginia
Conditions
Burn
Interventions
Vitamin and Mineral supplementation
Dietary Supplement
Lead sponsor
Southern Illinois University
Other
Eligibility
19 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Springfield, Illinois
Conditions
Burn, Growth, Malnutrition
Interventions
Calcium,Vitamin D, Calcium, VitaminD, Sugar Pill
Dietary Supplement · Other
Lead sponsor
Kathy Prelack, PhD, RD
Other
Eligibility
4 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Asthma
Interventions
medical food with EPA and GLA, vitamins and minerals, medical food minus EPA and GLA, antioxidant vitamins/minerals
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
6 Years to 14 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Denver, Colorado
Recruiting Not applicable Interventional Accepts healthy volunteers

Nutrition to Support Postoperative Recovery

NCT07109505
Conditions
Postoperative Care, Postoperative Complications, Cognition, Nutritional Assessment, Nutritional Intervention
Interventions
Nutritional Shake, Nutritional Instructions Only
Dietary Supplement · Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
70 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lebanon, New Hampshire
Conditions
Spinal Cord Injuries, Obesity, Weight Loss, Diet Modification
Interventions
Portion-Controlled Meals, Enhanced Self-Monitoring, GLB-SCI+
Behavioral
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Completed Not applicable Interventional Accepts healthy volunteers

EpiCor Clinical Study on Rapid Immune Modulating Effects

NCT05819424
Conditions
Immune Surveillance
Interventions
Yeast Fermentate (EpiCor)
Dietary Supplement
Lead sponsor
Cargill
Industry
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Klamath Falls, Oregon