- 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
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 25–48
of 958
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Premature Infants
- Interventions
- cholecalciferal, cholecalciferol
- Dietary Supplement
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 23 Weeks to 32 Weeks
- Enrollment
- 32 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Inflammatory Bowel Disease
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Penn State University
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 2
- States / cities
- Hershey, Pennsylvania • University Park, Pennsylvania
- 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
- Psoriasis
- Interventions
- U0267 Foam, Vehicle foam
- Drug
- Lead sponsor
- Stiefel, a GSK Company
- Industry
- Eligibility
- 12 Years and older
- Enrollment
- 323 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008
- U.S. locations
- 12
- States / cities
- Mobile, Alabama • Fremont, California • Ormond Beach, Florida + 9 more
- Conditions
- Prostate Cancer
- Interventions
- Vitamin D3, Placebo
- Drug
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 19 Years to 90 Years · Male only
- Enrollment
- 130 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2020
- U.S. locations
- 2
- States / cities
- Charleston, South Carolina
- Conditions
- Pruritis
- Interventions
- 50,000 Units Ergocalciferol, Placebo
- Drug
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 2
- States / cities
- Bethpage, New York • Mineola, New York
- Conditions
- Tuberculosis, Vitamin D, Immunity
- Interventions
- Vitamin D (600 IU), Vitamin D (2000 IU), Vitamin D (4000 IU), Placebo
- Dietary Supplement · Other
- Lead sponsor
- Cornell University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Ithaca, New York
- Conditions
- Unspecified Adult Solid Tumor, Protocol Specific
- Interventions
- vitamin D3 analogue ILX23-7553
- Dietary Supplement
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1999 – 2009
- U.S. locations
- 2
- States / cities
- Newark, New Jersey • New York, New York
- Conditions
- Renal Insufficiency
- Interventions
- Zoledronic Acid, Calcium with vitamin D, Alendronate
- Drug · Combination Product
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 59 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2014
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- 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
- Conditions
- Vitamin D Deficiency, HIV
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 122 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Osteoporosis
- Interventions
- Not listed
- Lead sponsor
- Oklahoma State University
- Other
- Eligibility
- 50 Years and older · Female only
- Enrollment
- 301 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2011
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- 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
- Crohn's Disease, Vitamin D Deficiency
- Interventions
- Cholecalciferol 10,000 IU, Cholecalciferol 400 IU
- Drug
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2016
- U.S. locations
- 4
- States / cities
- Indianapolis, Indiana • Iowa City, Iowa • Ann Arbor, Michigan + 1 more
- 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
- Perimenopausal Bone Loss
- Interventions
- Prunes, Calcium supplement, Vitamin D Supplement
- Dietary Supplement
- Lead sponsor
- Penn State University
- Other
- Eligibility
- 44 Years to 55 Years · Female only
- Enrollment
- 124 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2029
- U.S. locations
- 1
- States / cities
- University Park, Pennsylvania
- Conditions
- Vitamin D Deficiency
- Interventions
- vitamin D, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years to 47 Years · Female only
- Enrollment
- 67 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Craniocerebral Trauma, Intracranial Aneurysm, Brain Neoplasms, Spinal Cord Injuries, Seizures, Meningitis, Stroke, Intracranial Hemorrhages, Critical Illness, Vitamin d Deficiency
- Interventions
- Cholecalciferol, Placebo
- Drug · Other
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 274 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Fractures
- Interventions
- Teriparatide, Placebo
- Drug
- Lead sponsor
- Ohio Orthopedic Center of Excellence
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 38 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- Upper Arlington, Ohio
- Conditions
- Pregnancy
- Interventions
- Not listed
- Lead sponsor
- Cornell University
- Other
- Eligibility
- 21 Years and older · Female only
- Enrollment
- 47 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Ithaca, New York
- Conditions
- End Stage Renal Disease
- Interventions
- Ergocalciferol, Placebo
- Drug · Other
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 105 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2014
- U.S. locations
- 3
- States / cities
- Boston, Massachusetts
- Conditions
- Female Sexual Dysfunction, Polycystic Ovary Syndrome
- Interventions
- Vitamin D, Hormonal contraception
- Dietary Supplement · Drug
- Lead sponsor
- Wright State University
- Other
- Eligibility
- 18 Years to 40 Years · Female only
- Enrollment
- 47 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2020
- U.S. locations
- 2
- States / cities
- Dayton, Ohio • Hershey, Pennsylvania
- Conditions
- Hyperparathyroidism, Secondary, Kidney Failure, Chronic
- Interventions
- doxercalciferol
- Drug
- Lead sponsor
- Duke University
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2012
- U.S. locations
- 1
- States / cities
- Durham, North Carolina