- Conditions
- Vitamin D Deficiency
- Interventions
- High Dose Vitamin D3, Low Dose Vitamin D3, Placebo
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- Up to 75 Years · Female only
- Enrollment
- 230 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
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 49–59
of 59
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Obesity
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 12 Years to 18 Years
- Enrollment
- 51 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Chronic Kidney Disease, Secondary Hyperparathyroidism, Hemodialysis
- Interventions
- Paricalcitol, Cinacalcet
- Drug
- Lead sponsor
- Abbott
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 272 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 30
- States / cities
- Tempe, Arizona • Chula Vista, California • Los Angeles, California + 22 more
- Conditions
- Osteoporosis, Prostate Cancer
- Interventions
- calcium carbonate, cholecalciferol, Estrogen Antagonists, risedronate sodium, placebo
- Dietary Supplement · Drug · Other
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 71 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2010
- U.S. locations
- 112
- States / cities
- Scottsdale, Arizona • Jacksonville, Florida • Aurora, Illinois + 71 more
- Conditions
- Magnesium Deficiency, Calcium Metabolism Disorders
- Interventions
- vitamin D3
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 30 Years to 75 Years · Female only
- Enrollment
- 39 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Colorectal Cancer
- Interventions
- calcium carbonate, cholecalciferol, immunohistochemistry staining method, laboratory biomarker analysis, pharmacological study, biopsy
- Dietary Supplement · Other · Procedure
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 18 Years to 120 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Diabetes, Executive Dysfunction
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Loyola University
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 56 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Maywood, Illinois
- Conditions
- Urticaria, Angioedema, Hives, Swelling
- Interventions
- High Dose Vitamin D3, Low Dose Vitamin D3
- Drug
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Relapsing Remitting Multiple Sclerosis
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 172 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2021
- U.S. locations
- 16
- States / cities
- Carmichael, California • San Francisco, California • Stanford, California + 12 more
- Conditions
- Multiple Sclerosis, Vitamin D Deficiency
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Short Segment Barrett's Esophagus, Long Segment Barrett's Esophagus
- Interventions
- Omeprazole, Vitamin D3, upper endoscopy, Metformin
- Drug · Procedure
- Lead sponsor
- Case Comprehensive Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 26 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2016
- U.S. locations
- 3
- States / cities
- Beachwood, Ohio • Cleveland, Ohio