- Conditions
- Vitamin D Deficiency
- Interventions
- cholecalciferol (vitamin D3), cholecalciferol
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 16 Years to 45 Years · Female only
- Enrollment
- 501 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2010
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 337–360
of 437
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Paget's Disease of Bone
- Interventions
- Zoledronic Acid, Risedronate, Placebo to Risedronate, Placebo to Zoledronic Acid, Calcium and Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 172 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2011
- U.S. locations
- 12
- States / cities
- Santa Monica, California • Lakewood, Colorado • Boca Raton, Florida + 9 more
- Conditions
- Nutrition, Healthy
- Interventions
- DHA/EPA fortified chicken plus Placebo, non-25(OH)D fortified chicken/eggs plus vitamin D3 supplement, non-DHA bio-enhanced chicken plus supplement DHA Omega-3, 25(OH)D bioenhanced chicken and eggs plus placebo, Dietary Supplement: DHA/EPA fortified eggs plus Placebo, non-DHA bio-enhanced eggs plus supplement DHA Omega-3, non-25(OH)D fortified chicken/eggs plus placebo
- Dietary Supplement · Other
- Lead sponsor
- Cornell University
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 84 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Ithaca, New York
- Conditions
- Aging
- Interventions
- NT-020, Placebo
- Drug · Dietary Supplement
- Lead sponsor
- University of South Florida
- Other
- Eligibility
- 65 Years to 85 Years
- Enrollment
- 139 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Tampa, Florida
- Conditions
- Benign Breast Disease
- Interventions
- Vitamin D and fish oil placebo, Fish oil and vitamin D placebo, Vitamin D placebo and fish oil placebo, Vitamin D and fish oil
- Dietary Supplement
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 55 Years to 67 Years · Female only
- Enrollment
- 3,894 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2023
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Sickle Cell Disease
- Interventions
- Vitamin D, Placebo
- Drug · Other
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 7 Years to 21 Years
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2013
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Overweight and Obesity, Vitamin D Deficiency, Magnesium Deficiency, Cardiovascular Risk Factor
- Interventions
- Vitamin D and magnesium, Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- Drexel University
- Other
- Eligibility
- 30 Years to 70 Years
- Enrollment
- 109 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2021
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Health, Subjective
- Interventions
- Experimental supplement, Placebo
- Dietary Supplement
- Lead sponsor
- Auburn University
- Other
- Eligibility
- 21 Years to 40 Years · Female only
- Enrollment
- 94 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Auburn, Alabama
- Conditions
- Chronic Kidney Disease, Hyperparathyroidism, Hyperparathyroidism, Secondary, Kidney Disease, Secondary Hyperparathyroidism
- Interventions
- cinacalcet capsule, placebo, Standard of Care
- Drug
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 6 Years to 17 Years
- Enrollment
- 43 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2011
- U.S. locations
- 18
- States / cities
- Birmingham, Alabama • Los Angeles, California • San Francisco, California + 14 more
- 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
- Conditions
- Vitamin D3 Deficiency
- Interventions
- Vitamin D3 4000 IU in gummy form, Placebo gummy vitamin
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 342 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Noise-Induced Hearing Loss
- Interventions
- beta-carotene, vitamins C and E, magnesium, Placebo
- Drug · Other
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 72 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Cardiovascular Disease
- Interventions
- Vitamin D3, Omega-3 fatty acids (fish oil), Fish oil placebo, Vitamin D3 placebo
- Dietary Supplement · Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 25,119 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Gastric Bypass, Parathyroid Hormone
- Interventions
- Paricalcitol, Cholecalciferol, Placebo
- Drug
- Lead sponsor
- Kerstyn C. Zalesin, M.D.
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 49 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Royal Oak, Michigan
- Conditions
- Inflammation, Insulin Resistance
- Interventions
- Ergocalciferol, Placebo
- Drug
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 58 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Prediabetes, Type 2 Diabetes
- Interventions
- Vitamin D (Cholecalciferol), Placebo
- Dietary Supplement · Other
- Lead sponsor
- Tufts Medical Center
- Other
- Eligibility
- 30 Years and older
- Enrollment
- 2,423 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2018
- U.S. locations
- 25
- States / cities
- Phoenix, Arizona • Los Angeles, California • Palo Alto, California + 20 more
- Conditions
- Hot Flushes, Menopause, Premature, Obesity, Vitamin D Deficiency
- Interventions
- Vitamin D, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Kaiser Permanente
- Other
- Eligibility
- 40 Years to 60 Years · Female only
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Stage, Colon Cancer, Stage I-III Colon Cancer, Stage IV Colon Cancer With Resectable Liver Metastases
- Interventions
- Vitamin D3, Placebo
- Drug
- Lead sponsor
- Dana-Farber Cancer Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2027
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Pre-diabetes
- Interventions
- vitamin D, placebo
- Drug
- Lead sponsor
- Charles Drew University of Medicine and Science
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 117 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Healthy Participants
- Interventions
- Influenza virus vaccine, Vitamins A and D, Placebo
- Biological · Dietary Supplement · Other
- Lead sponsor
- St. Jude Children's Research Hospital
- Other
- Eligibility
- 2 Years to 8 Years
- Enrollment
- 87 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Memphis, Tennessee
- Conditions
- Protein
- Interventions
- Conjugated linoleic acid, Vitamin D, Conjugated linoleic acid and Vitamin D, Corn oil (placebo)
- Dietary Supplement · Other
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 65 Years to 85 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Bone Loss, Periodontitis
- Interventions
- Periodontal surgery, FORTEO, Placebo, Vitamin D and Calcium
- Procedure · Drug · Dietary Supplement
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 30 Years to 75 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2009
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- Conditions
- Rheumatoid Arthritis, Hypovitaminosis D
- Interventions
- Vitamin D, placebo
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2009
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Healthy, Adult, Calcium, Bone Resorption, Endocrine; Obesity
- Interventions
- Calcium carbonate, Placebo Control
- Dietary Supplement
- Lead sponsor
- University of Georgia
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 14 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Athens, Georgia