- Conditions
- Osteopenia, Renal Osteodystrophy
- Interventions
- pamidronate
- Drug
- Lead sponsor
- US Department of Veterans Affairs
- Federal
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2007
- U.S. locations
- 1
- States / cities
- 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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Osteomalacia
- Interventions
- Osteomalacia
- Drug
- Lead sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
- NIH
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Obesity, Vitamin D Deficiency
- Interventions
- Ergocalciferols
- Drug
- Lead sponsor
- Walter Reed National Military Medical Center
- Federal
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2017
- U.S. locations
- 1
- States / cities
- Bethesda, 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
- Periodontal Disease, Vitamin D Deficiency
- Interventions
- Cholecalciferol, Placebo
- Drug
- Lead sponsor
- Augusta University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Augusta, Georgia
- Conditions
- Polycystic Ovarian Syndrome in Adolescent Females, Vitamin D Deficiency
- Interventions
- Vitamin D 4000IU daily, Placebo
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 13 Years to 21 Years · Female only
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Hypophosphatemia, Familial, Hyperparathyroidism
- Interventions
- Paricalcitol, Placebo
- Drug · Other
- Lead sponsor
- Yale University
- Other
- Eligibility
- 9 Years and older
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2012
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- X-linked Hypophosphatemia
- Interventions
- Burosumab Injection [Crysvita]
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Heart Failure, Vitamin D Deficiency, Cardiomyopathy, Congestive Heart Failure
- Interventions
- Placebo Comparator: Sugar Pill, Vitamin D3 (cholecalciferol)
- Drug
- Lead sponsor
- Heidi Moretti, MS, RD
- Other
- Eligibility
- Not listed
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 2
- States / cities
- Missoula, Montana
- Conditions
- Frail Elderly, Vitamin d Deficiency
- Interventions
- vitamin D, placebo
- Dietary Supplement
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 65 Years to 95 Years · Male only
- Enrollment
- 130 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Diabetes Mellitus, Vitamin D Deficiency
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Ascension Health
- Industry
- Eligibility
- 34 Years to 69 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Flint, Michigan
- Conditions
- Vitamin D Deficiency
- Interventions
- cholecalciferol, Placebo
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 50 Years to 100 Years · Female only
- Enrollment
- 62 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- HIV Infections
- Interventions
- Vitamin D supplement, Placebo
- Dietary Supplement · Other
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 24 Years
- Enrollment
- 207 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2010
- U.S. locations
- 14
- States / cities
- Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 10 more
- Conditions
- Renal Osteodystrophy
- Interventions
- doxercalciferol, Cholecalciferol
- Drug
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years to 82 Years
- Enrollment
- 55 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Type 2 Diabetes
- Interventions
- Vitamin D, Placebo
- Drug
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 30 Years to 65 Years
- Enrollment
- 76 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Vitamin D Deficiency
- Interventions
- Sun Exposure
- Behavioral
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 19 Years to 50 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Vitamin D Deficiency, Hypovitaminosis A, Vitamin E Deficiency
- Interventions
- Vitamin D, Vitamin D, Vitamin E, and Vitamin A, Control, 700 mg Calcium
- Dietary Supplement
- Lead sponsor
- Boston University
- Other
- Eligibility
- 6 Years to 10 Years
- Enrollment
- 180 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2008
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Chronic Liver Disease, Hypovitaminosis
- Interventions
- magnesium
- Dietary Supplement
- Lead sponsor
- Rajib Bhattacharya, MD
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- Kansas City, Kansas
- Conditions
- Vitamin D Deficiency
- Interventions
- 250,000 IU cholecalciferol as single, oral dose, Placebo
- Dietary Supplement
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 28 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2017
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- 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
- Hypovitaminosis D
- Interventions
- vitamin D supplementation
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2005
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Thyroid, PD-1, Cancer
- Interventions
- blood draw and questionnaire completion, questionnaire completion, blood collection
- Other
- Lead sponsor
- Icahn School of Medicine at Mount Sinai
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2028
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Cystic Fibrosis
- Interventions
- Vitamin D Powder, Vitamin D Oil
- Dietary Supplement
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 59 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- 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