- Conditions
- Osteopenia, Osteoporosis
- Interventions
- Pamidronate, Calcium and vitamin D
- Drug
- Lead sponsor
- Masonic Cancer Center, University of Minnesota
- Other
- Eligibility
- 1 Year to 20 Years
- Enrollment
- 63 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2022
- U.S. locations
- 2
- States / cities
- Minneapolis, Minnesota • Seattle, Washington
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 25–48
of 87
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Muscle Function, Muscle Soreness, Vitamin D Status
- Interventions
- Vitamin D2 mushroom powder, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Appalachian State University
- Other
- Eligibility
- 20 Years to 40 Years · Male only
- Enrollment
- 33 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2013
- U.S. locations
- 3
- States / cities
- Kannapolis, North Carolina
- Conditions
- Healthy
- Interventions
- vitamin D2, vitamin D3
- Dietary Supplement
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 32 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Healthy Subjects, Vitamin D Deficiency
- Interventions
- ergocalciferol
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 99 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2012
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis
- Interventions
- ergocalciferol, Cholecalciferol
- Dietary Supplement
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 5 Years to 21 Years
- Enrollment
- 134 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- HIV-associated Co-morbidities
- Interventions
- conventional vitamin D treatment, tiered/titrated vitamin D dosing
- Dietary Supplement · Drug
- Lead sponsor
- Andrea Branch
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 62 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Vitamin D Inadequacy, Vitamin D Deficiency
- Interventions
- Cholecalciferol (vitamin D3), Ergocalciferol (vitamin D2), Placebo
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 64 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Coronary Calcification, Endstage Renal Disease, Parathyroid Hormone
- Interventions
- Doxercalciferol administration, Doxercalciferol administered by 1-84-7-84
- Drug
- Lead sponsor
- Southeast Renal Research Institute
- Other
- Eligibility
- 18 Years to 80 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Charlotte, North Carolina
- 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
- Menopause, Perimenopause
- Interventions
- Daily Balance Gummy
- Dietary Supplement
- Lead sponsor
- Hologram Sciences
- Industry
- Eligibility
- 40 Years to 65 Years · Female only
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Santa Monica, California
- Conditions
- Chronic Kidney Disease Stages 3-5
- Interventions
- Ergocalciferol supplementation
- Drug
- Lead sponsor
- Kaiser Permanente
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- 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
- Human Immunodeficiency Virus (HIV), Vitamin D Deficiency, HIV Infections
- Interventions
- Vitamin D, Placebo
- Drug · Other
- Lead sponsor
- University Hospitals Cleveland Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- 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
- 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
- Impaired Fasting Glucose, Impaired Glucose Tolerance, Vitamin D Insufficiency
- Interventions
- Placebo, 50K vitamin D2
- Drug
- Lead sponsor
- US Department of Veterans Affairs
- Federal
- Eligibility
- 35 Years to 85 Years · Male only
- Enrollment
- 205 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Burns, Bone Demineralization
- Interventions
- Vitamin D2, Vitamin D3
- Dietary Supplement
- Lead sponsor
- Shriners Hospitals for Children
- Other
- Eligibility
- 6 Months to 18 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2011
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Graves Disease, Graves' Disease, Hyperthyroidism
- Interventions
- Ergocalciferol 50,000 IU, Methimazole
- Drug
- Lead sponsor
- Northwell Health
- Other
- Eligibility
- 9 Years to 17 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- New Hyde Park, New York
- Conditions
- Anemia of Chronic Kidney Disease
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 1 Year to 21 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- 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, Osteoporosis, Osteopenia
- Interventions
- Calcium 500mg with 200 IU Vitamin D - 2 tablets daily, Blood levels of Vitamin D, Serum CTX, Mg, Ca++ and iPTH, Usual sun exposure documentation, Dietary intake of calcium, vitamin D, magnesium
- Drug · Procedure · Behavioral
- Lead sponsor
- McLennan County Medical Education and Research Foundation
- Other
- Eligibility
- 70 Years and older · Female only
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2007
- U.S. locations
- 1
- States / cities
- Waco, Texas
- Conditions
- Ergocalciferol
- Interventions
- Ergocalciferol
- Drug
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Osteoporosis, Osteopenia, Vitamin D Deficiency, Hypoparathyroidism, Hypercalciuria, Hypercalcemia
- Interventions
- Vitamin D
- Drug
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 50 Years to 66 Years · Female only
- Enrollment
- 19 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2008
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- 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