- Conditions
- Osteoporosis, Nutrition
- Interventions
- Full length Block 2014 Food Frequency Questionnaire, Revised Calcium, Vitamin D and Protein Screener
- Other
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
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 265–288
of 959
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Vitamin D Deficiency
- Interventions
- Dose 1, Dose 2
- Drug
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- Saint Paul, Minnesota
- 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
- Chronic Kidney Disease
- Interventions
- Vitamin D2 (ergocalciferol), Vitamin D3 (cholecalciferol)
- Dietary Supplement
- Lead sponsor
- University of Kansas Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Kansas City, Kansas
- Conditions
- ADHD
- Interventions
- Magnetic Resonance Imaging (MRI), PHNO, calcitriol, Placebo oral capsule, high-resolution research tomography, Dextro Amphetamine
- Procedure · Drug · Dietary Supplement
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2023
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- 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
- Degenerative Joint Disease, Osteoarthritis
- Interventions
- musculoskeletal
- Other
- Lead sponsor
- Mary O'Connor
- Other
- Eligibility
- 65 Years to 75 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Jacksonville, Florida
- Conditions
- Chronic Hepatitis C
- Interventions
- Not listed
- Lead sponsor
- Avera McKennan Hospital & University Health Center
- Other
- Eligibility
- 20 Years to 60 Years
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2019
- U.S. locations
- 1
- States / cities
- Sioux Falls, South Dakota
- Conditions
- Low 25-hydroxyvitamin D Concentrations
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 65 Years to 89 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D3, placebo
- Drug
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- Communication Research
- Interventions
- Exposure to conflicting health information, No exposure to conflicting health information
- Other
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 6,046 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- End Stage Renal Disease, Hemodialysis, Inflammatory Response, Cardiovascular Disease
- Interventions
- paricalcitol
- Drug
- Lead sponsor
- Renal Research Institute
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2007
- U.S. locations
- 3
- States / cities
- New York, New York
- Conditions
- X-linked Adrenoleukodystrophy
- Interventions
- vitamin D3
- Dietary Supplement
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Months to 25 Years · Male only
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2020
- U.S. locations
- 1
- States / cities
- Palo Alto, California
- Conditions
- Prediabetes, Vitamin D Deficiency
- Interventions
- Cholecalciferol (vitamin D3)
- Dietary Supplement
- Lead sponsor
- University of Minnesota
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- Minneapolis, Minnesota
- 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
- Leukemia, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms
- Interventions
- cholecalciferol, arsenic trioxide
- Dietary Supplement · Drug
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- Up to 120 Years
- Enrollment
- 5 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2010
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Vitamin D Deficiency, End Stage Renal Disease
- Interventions
- Not listed
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 2
- States / cities
- Mineola, New York
- Conditions
- Osteoporosis
- Interventions
- Actonel
- Drug
- Lead sponsor
- Sanofi
- Industry
- Eligibility
- 30 Years to 85 Years
- Enrollment
- 248 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2004
- U.S. locations
- 1
- States / cities
- Bridgewater, New Jersey
- Conditions
- HIV-1 Infection
- Interventions
- EFV/FTC/TDF, Calcium Carbonate, Vitamin D3, Placebo for calcium carbonate, Placebo for vitamin D3
- Drug
- Lead sponsor
- Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
- Network
- Eligibility
- 18 Years and older
- Enrollment
- 167 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 38
- States / cities
- Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 27 more
- Conditions
- Epilepsy, Bone Loss, Osteoporosis, Fractures
- Interventions
- Risedronate, Placebo + Calcium and Vitamin D
- Drug
- Lead sponsor
- Boston VA Research Institute, Inc.
- Other
- Eligibility
- 18 Years to 85 Years · Male only
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2013
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Secondary Hyperparathyroidism
- Interventions
- Teriparatide
- Drug
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 40 Years to 59 Years · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Infant Mortality, Preterm Birth, Low Birth Weight, Neonatal Mortality, Perinatal Mortality
- Interventions
- Iron (27 mg) - folic acid (600 ug), Multiple micronutrient
- Dietary Supplement
- Lead sponsor
- Johns Hopkins Bloomberg School of Public Health
- Other
- Eligibility
- 12 Years to 45 Years · Female only
- Enrollment
- 44,567 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2012
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- 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
- Asthma, Allergy
- Interventions
- Not listed
- Lead sponsor
- Robert J. Freishtat
- Other
- Eligibility
- 6 Years to 20 Years
- Enrollment
- 273 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2018
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia