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Showing 25–41 of 41 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D, Diet and Activity Study

NCT01240213
Conditions
Breast Cancer, Obesity, Hypovitaminosis D
Interventions
Vitamin D, Placebo
Dietary Supplement
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
50 Years to 75 Years · Female only
Enrollment
218 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Availability of Vitamin D in Orange Juice

NCT01778114
Conditions
Vitamin D Deficiency
Interventions
Vitamin D2 in orange juice, Vitamin D3 in orange juice, Vitamin D2, Vitamin D3, Placebo
Dietary Supplement · Other
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Chronic Kidney Disease
Interventions
Vitamin D3, Vitamin D2, Placebo
Dietary Supplement
Lead sponsor
Creighton University
Other
Eligibility
20 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Omaha, Nebraska
Completed Phase 2Phase 3 Interventional Results available

Vitamin D and Residual Beta-Cell Function in Type 1 Diabetes

NCT03046927
Conditions
Type 1 Diabetes
Interventions
Ergocalciferol, Placebo
Drug · Other
Lead sponsor
Benjamin U. Nwosu, MD
Other
Eligibility
10 Years to 21 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Worcester, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Vitamin D Therapy on Glucose Homeostasis in Obese Adolescents

NCT02414529
Conditions
Vitamin D Deficiency
Interventions
Vitamin D2, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
12 Years to 18 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Conditions
Myopathic Symptoms
Interventions
Ergocalciferol, Placebo
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Type 2 Diabetes, Nonalcoholic Fatty Liver Disease, Vitamin D Deficiency
Interventions
Ergocalciferol, placebo
Dietary Supplement
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
10 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Vitamin D Deficiency, Metabolic Syndrome, Prediabetes
Interventions
Mushroom with 600 IU vitamin D2, Mushroom with 4000 IU Vitamin D2, 600 IU Vitamin D3 and untreated mushroom, 4000 IU Vitamin D3 and untreated mushroom, Placebo
Dietary Supplement · Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
30 Years to 90 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New York, New York
Conditions
Vitamin D Deficiency, Renal Failure Chronic Requiring Hemodialysis
Interventions
Ergocalciferol, Placebo
Drug
Lead sponsor
Albany College of Pharmacy and Health Sciences
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
4
States / cities
Albany, New York • Clifton Park, New York • Saratoga Springs, New York + 1 more
Conditions
Chronic Renal Insufficiency, Proteinuria
Interventions
Vitamin D, Placebo
Drug · Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Pruritis
Interventions
50,000 Units Ergocalciferol, Placebo
Drug
Lead sponsor
Winthrop University Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Bethpage, New York • Mineola, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vitamin D Deficiency, Insulin Resistance and FGF-23

NCT00491322
Conditions
Vitamin D Deficiency
Interventions
Ergocalciferol, Ergocalciferol placebo
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Potential Vitamin D Effects on Muscle: a Pilot Study

NCT00593996
Conditions
Dysphagia, Fecal Incontinence, Urinary Incontinence
Interventions
Ergocalciferol (vitamin D2)
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
70 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Vitamin D to ENhance TraUma REcovery

NCT05458024
Conditions
Musculoskeletal Pain
Interventions
Vitamin D 2, Vitamin D2 Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
4
States / cities
Worcester, Massachusetts • St Louis, Missouri • Camden, New Jersey + 1 more
Conditions
Vitamin D Deficiency, Polytrauma, Orthopedic Disorder
Interventions
Ergocalciferol 8000 IU/ML Oral Liquid [DRISDOL], Propylene Glycol
Drug
Lead sponsor
New York City Health and Hospitals Corporation
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Burn Injury, Chronic Pain
Interventions
Ergocalciferol, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Vitamin D Deficiency
Interventions
1,000 IU vitamin D2, placebo capsule, mushrooms, UVB-treated mushrooms, 400 IU vitamin D2, UVB-treated mushrooms, 1,000 IU vitamin D2
Dietary Supplement · Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
20 Years to 59 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Davis, California