- 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
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 337–360
of 550
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Diabetes Mellitus, Type 1, Hypoglycemia, Diabetes Mellitus, Diabetes, Autoimmune
- Interventions
- Cholecalciferol, Omega 3 fatty acid
- Drug
- Lead sponsor
- Rodolfo Alejandro
- Other
- Eligibility
- 6 Years to 65 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2024
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Adult Women, Metastatic Breast Cancer, Estrogen Receptor Positive
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Loyola University
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 43 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Maywood, Illinois
- Conditions
- Leukemia, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms
- Interventions
- cholecalciferol
- Dietary Supplement
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- Up to 120 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2006
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Gastric Bypass, Parathyroid Hormone
- Interventions
- Paricalcitol, Cholecalciferol, Placebo
- Drug
- Lead sponsor
- Kerstyn C. Zalesin, M.D.
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 49 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Royal Oak, Michigan
- Conditions
- Chronic Kidney Disease
- Interventions
- cholecalciferol, doxercalciferol, placebo
- Dietary Supplement
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2012
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- IBD, Ulcerative Colitis, Crohn Disease
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 7 Years to 25 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2023
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Prostate Cancer
- Interventions
- cholecalciferol
- Dietary Supplement
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years to 90 Years · Male only
- Enrollment
- 52 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2011
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Sickle Cell Disease, Anemia, Sickle Cell, Anemia, Hemolytic, Congenital, Respiratory Tract Diseases, Respiration Disorders, Acute Chest Syndrome, Lung Diseases, Asthma, Respiratory Tract Infections, Nutrition Disorders, Deficiency Diseases Vitamin, Vitamin D Deficiency
- Interventions
- Daily oral vitamin D3, 3,333 IU, Monthly oral vitamin D3, 100,000 IU, Placebo oral tablet
- Drug
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 3 Years to 20 Years
- Enrollment
- 58 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Myelodysplastic Syndromes
- Interventions
- Calcitriol, Dexamethasone
- Drug
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- Not listed
- Enrollment
- 32 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2009
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Death, Myocardial Infarction, Cerebral Vascular Accident, Heart Failure Hospitalization
- Interventions
- Vitamin D3
- Biological
- Lead sponsor
- Intermountain Health Care, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 634 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2025
- U.S. locations
- 1
- States / cities
- Murray, Utah
- 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
- 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
- Respiratory Infection
- Interventions
- High Dose Vitamin D, Standard Dose Vitamin D, Placebo, Usual Care
- Drug · Dietary Supplement
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 107 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2016
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 12 Years to 18 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Kidney Failure, Secondary Hyperparathyroidism, Hyperphosphatemia, Hypercalcemia
- Interventions
- Calcitriol, Paricalcitol
- Drug
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- Chronic Kidney Disease
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Rockefeller University
- Other
- Eligibility
- 50 Years to 80 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Healthy
- Interventions
- Calcitriol, Lanthanum carbonate + Calcitriol, Sevelamer carbonate + Calcitriol
- Drug
- Lead sponsor
- Shire
- Industry
- Eligibility
- 19 Years to 45 Years
- Enrollment
- 41 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009
- U.S. locations
- 1
- States / cities
- Cypress, California
- Conditions
- Hypocalcemia, Thyroid Diseases
- Interventions
- Tums, Calcitriol
- Dietary Supplement
- Lead sponsor
- Lahey Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 82 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Burlington, Massachusetts
- Conditions
- Muscle Power
- Interventions
- Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- Oklahoma State University
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 103 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Stillwater, Oklahoma
- Conditions
- Obesity, Insulin Resistance, Vitamin D Deficiency
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Perrin C White, MD
- Other
- Eligibility
- 6 Years to 17 Years
- Enrollment
- 109 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Health, Subjective
- Interventions
- Experimental supplement, Placebo
- Dietary Supplement
- Lead sponsor
- Auburn University
- Other
- Eligibility
- 21 Years to 40 Years · Female only
- Enrollment
- 94 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Auburn, Alabama
- Conditions
- Hypovitaminosis D
- Interventions
- Standing Phototherapy Kiosk, D3 Oral supplement
- Device · Dietary Supplement
- Lead sponsor
- Madigan Army Medical Center
- Federal
- Eligibility
- 18 Years to 69 Years
- Enrollment
- 106 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Tacoma, Washington
- Conditions
- Pre-diabetes
- Interventions
- vitamin D, placebo
- Drug
- Lead sponsor
- Charles Drew University of Medicine and Science
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 117 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Los Angeles, California