- Conditions
- Hypovitaminosis D, Insulin Resistance, Diabetes
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Bastyr University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 66 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2011
- U.S. locations
- 2
- States / cities
- Kailua-Kona, Hawaii • Kenmore, 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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–19
of 19
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Insulin Resistance, Obesity, Vitamin D25 Insufficiency
- Interventions
- Vitamin D drops, Placebo drops
- Drug
- Lead sponsor
- Weill Medical College of Cornell University
- Other
- Eligibility
- 7 Years to 18 Years
- Enrollment
- 110 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- HIV Infections, AIDS
- Interventions
- Cholecalciferol (Vit D3)
- Drug
- Lead sponsor
- Children's Hospital of Philadelphia
- Other
- Eligibility
- 5 Years to 24 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Vitamin D Deficiency
- Interventions
- Tri-Vi-Sol
- Dietary Supplement
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- Up to 2 Hours
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2011
- U.S. locations
- 3
- States / cities
- Houston, Texas
- Conditions
- Neurofibromatosis Type 1 (NF1)
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 25 Years to 40 Years
- Enrollment
- 26 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2022
- U.S. locations
- 2
- States / cities
- Cincinnati, Ohio • Salt Lake City, Utah
- Conditions
- Type 1 Diabetes
- Interventions
- Autologous UCB, Omega 3 FA, Vitamin D
- Biological · Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 1 Year to 18 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D drops, 200 or 400 or 600 IU/day or 800 IU/day
- Dietary Supplement
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- NIH
- Eligibility
- 3 Weeks to 5 Weeks
- Enrollment
- 398 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2011
- U.S. locations
- 1
- States / cities
- Coralville, Iowa
- Conditions
- Femoral Neck Fractures
- Interventions
- Sliding Hip Screw, Cancellous Screws, Vitamin D, Vitamin D Placebo
- Procedure · Drug
- Lead sponsor
- McMaster University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 91 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2019
- U.S. locations
- 10
- States / cities
- Phoenix, Arizona • San Francisco, California • Gainesville, Florida + 7 more
- 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
- Family Member
- Interventions
- Bio-D-Mulsion Forte®, Placebo
- Dietary Supplement · Other
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 101 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Hypertension, Vitamin D Deficiency, Pre-Hypertension
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 534 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 3
- States / cities
- Hartford, Connecticut • Boston, Massachusetts • Minneapolis, Minnesota
- Conditions
- Metabolic Syndrome
- Interventions
- vitamin D3 (cholecalciferol)
- Dietary Supplement
- Lead sponsor
- Allina Health System
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 84 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- Conditions
- Premature Infants
- Interventions
- Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- Not listed
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- Houston, Texas
- 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
- Vitamin D Deficiency, Nutritional Deficiency
- Interventions
- High dose Cholecalciferol, Cholecalciferol
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 0 Days to 45 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Hypovitaminosis D
- Interventions
- Vitamin D, Placebo candy
- Dietary Supplement · Other
- Lead sponsor
- University of New Mexico
- Other
- Eligibility
- 5 Years to 14 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Albuquerque, New Mexico
- Conditions
- Insulin Resistance
- Interventions
- Vitamin D, Placebo
- Drug
- Lead sponsor
- Albert Einstein College of Medicine
- Other
- Eligibility
- 21 Years to 75 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2015
- U.S. locations
- 1
- States / cities
- The Bronx, New York
- Conditions
- Multiple Myeloma and Plasma Cell Neoplasm
- Interventions
- ascorbic acid, arsenic trioxide, bortezomib, dexamethasone, thalidomide, Aspirin
- Dietary Supplement · Drug
- Lead sponsor
- Barbara Ann Karmanos Cancer Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 5 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2008
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Anemia, Iron Deficiency
- Interventions
- Ferrous sulphate drops with vitamins A, D, and C, Ferrous fumarate sprinkles with vitamins and minerals
- Drug
- Lead sponsor
- Centers for Disease Control and Prevention
- Federal
- Eligibility
- 5 Months to 7 Months
- Enrollment
- 128 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts