- Conditions
- Vitamin D Deficiency, Pregnancy
- Interventions
- cholecalciferol (vitamin D3), cholecalciferol
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 16 Years to 45 Years · Female only
- Enrollment
- 564 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2009
- U.S. locations
- 1
- States / cities
- Columbia, South Carolina
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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.
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Showing 1–13
of 13
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Vitamin D Deficiency, Stem Cell Transplant Complications, Pediatric Cancer, Blood Disorder, Pediatric Acute Myeloid Leukemia, Pediatric Acute Lymphoid Leukemia, Myelodysplastic Syndromes, Sickle Cell Anemia in Children, Aplastic Anemia, Thalassemia in Children
- Interventions
- Vitamin D3, Standard Vitamin D3 Supplementation
- Dietary Supplement
- Lead sponsor
- Phoenix Children's Hospital
- Other
- Eligibility
- 1 Year to 25 Years
- Enrollment
- 49 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Phoenix, Arizona
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Yale University
- Other
- Eligibility
- 6 Months to 6 Years
- Enrollment
- 193 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Lead Poisoning, Vitamin D Deficiency
- Interventions
- d-penicillamine, placebo
- Device · Drug
- Lead sponsor
- FDA Office of Orphan Products Development
- Federal
- Eligibility
- 6 Months to 16 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2007
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Sickle Cell Anemia in Children, Vitamin A Deficiency in Children
- Interventions
- retinyl palmitate
- Dietary Supplement
- Lead sponsor
- Children's Hospital of Philadelphia
- Other
- Eligibility
- 9 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Healthy
- Interventions
- Vitamin D3 1000 IU, Placebo Tablet
- Dietary Supplement
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 8 Years to 14 Years
- Enrollment
- 157 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Hypophosphatasia (HPP)
- Interventions
- asfotase alfa
- Biological
- Lead sponsor
- Alexion Pharmaceuticals, Inc.
- Industry
- Eligibility
- 5 Years to 12 Years
- Enrollment
- 13 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Chronic Kidney Disease stage3, Chronic Kidney Disease stage4, Vitamin d Deficiency, Secondary Hyperparathyroidism
- Interventions
- CTAP101, Placebo
- Drug
- Lead sponsor
- OPKO Health, Inc.
- Industry
- Eligibility
- 8 Years to 17 Years
- Enrollment
- 2 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 2
- States / cities
- Columbus, Ohio • Greenville, South Carolina
- Conditions
- Environmental Enteric Dysfunction, Zinc Deficiency, Vitamin A Deficiency
- Interventions
- 3 mg zinc sulfate supplement, 0.5 mg of 13C10-retinyl-acetate
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Months to 24 Months
- Enrollment
- 46 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Vitamin A Deficiency
- Interventions
- dietary carotenoids, spinach, rice, and synthetic beta-carotene
- Dietary Supplement
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 6 Years to 8 Years
- Enrollment
- 72 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Asthma, Vitamin D Deficiency
- Interventions
- Vitamin D2 + vitamin D3, Vitamin D3
- Drug
- Lead sponsor
- Nationwide Children's Hospital
- Other
- Eligibility
- 8 Years to 17 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Rickets
- Interventions
- Not listed
- Lead sponsor
- Agency for Healthcare Research and Quality (AHRQ)
- Federal
- Eligibility
- 6 Months to 15 Months
- Enrollment
- 246 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2008
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Sickle Cell Disease, Malnutrition
- Interventions
- Maternal Nutrition Education, Standard Care
- Behavioral
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 6 Months to 18 Months
- Enrollment
- 146 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee