- Conditions
- Vitamin D Deficiency, Osteoporosis
- Interventions
- Vitamin D, placebo
- Drug
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 96 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2004
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
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Showing 1–24
of 41
matching trials from the live ClinicalTrials.gov search.
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- 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
- Osteoporosis
- Interventions
- Alendronate
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 5 Years to 15 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2009
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D2, Placebo
- Drug · Other
- Lead sponsor
- Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
- Other
- Eligibility
- 18 Years to 89 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Type 2 Diabetes, Vitamin D Deficiency
- Interventions
- Vitamin D2, Sugar pill
- Dietary Supplement · Other
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 12 Years to 18 Years
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- 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
- 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
- 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
- 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
- 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
- Conditions
- HIV Infection, Bone Mass
- Interventions
- cholecalciferol plus calcium carbonate
- Dietary Supplement
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 6 Years to 16 Years
- Enrollment
- 59 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2006
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Rheumatoid Arthritis, Vitamin D Deficiency
- Interventions
- Placebo sugar pill, Ergocalciferol
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 139 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Renal Function, Endothelial Function, Blood Pressure, Overweight, Obesity
- Interventions
- Vitamin D ergocalciferol, Probenecid, Allopurinol, Placebo
- Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 242 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- Sarcoidosis, Vitamin D Insufficiency
- Interventions
- Ergocalciferol, Placebo, Calcium Citrate with Vitamin D2
- Drug
- Lead sponsor
- University of Texas Southwestern Medical Center
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2026
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- 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
- 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
- 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
- Conditions
- End Stage Renal Disease
- Interventions
- Ergocalciferol, Placebo
- Drug · Other
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 105 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2014
- U.S. locations
- 3
- States / cities
- Boston, Massachusetts
- 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
- 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
- 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
- CKD Stage 3/4
- Interventions
- Vitamin D 2mg daily for 2 weeks oral paricalcitol, Placebo
- Drug
- Lead sponsor
- University of Illinois at Chicago
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- 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