- Conditions
- Prostate Adenocarcinoma, Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer
- Interventions
- Cholecalciferol, Genistein, Laboratory Biomarker Analysis, Pharmacological Study, Placebo
- Drug · Other
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 11
- States / cities
- Birmingham, Alabama • Baltimore, Maryland • Burlington, Massachusetts + 6 more
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 73–96
of 478
matching trials from the live ClinicalTrials.gov search.
- Conditions
- COVID-19
- Interventions
- Vitamin D 400IU, Vitamin D 4000IU
- Dietary Supplement
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 2,093 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2025
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- 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
- Vitamin D Deficiency, Vitamin D Insufficiency
- Interventions
- UVB treatment
- Device
- Lead sponsor
- Boston University
- Other
- Eligibility
- 22 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Hematological Malignancies
- Interventions
- Ibandronate, Vitamin Supplements
- Drug
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 78 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2017
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- X-linked Hypophosphatemia
- Interventions
- burosumab
- Biological
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 5 Years to 12 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2018
- U.S. locations
- 4
- States / cities
- San Francisco, California • New Haven, Connecticut • Indianapolis, Indiana + 1 more
- Conditions
- Vitamin D Deficiency
- Interventions
- 7 continuous days of aerobic training
- Other
- Lead sponsor
- David Travis Thomas
- Other
- Eligibility
- 65 Years to 75 Years
- Enrollment
- 7 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Lexington, Kentucky
- Conditions
- Hypophosphatemic Rickets, X-Linked Dominant
- Interventions
- Cinacalcet
- Drug
- Lead sponsor
- Children's Mercy Hospital Kansas City
- Other
- Eligibility
- 5 Years and older
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2008
- U.S. locations
- 1
- States / cities
- Kansas City, Missouri
- Conditions
- Vitamin D Deficiency, Covid19
- Interventions
- Vitamin D
- Other
- Lead sponsor
- Parkview Medical Center
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 50 participants
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Pueblo, Colorado
- Conditions
- Diabetic Nephropathy, Chronic Kidney Disease
- Interventions
- Zemplar (paricalcitol) capsules, Placebo
- Drug
- Lead sponsor
- Abbott
- Industry
- Eligibility
- 20 Years and older
- Enrollment
- 281 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 27
- States / cities
- Phoenix, Arizona • Fountain Valley, California • Yuba City, California + 21 more
- Conditions
- Chronic Kidney Disease
- Interventions
- D6-25-hydroxyvitamin D3
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Seasonal Mood Disorder
- Interventions
- Vitamin D, No Vitamin D
- Dietary Supplement
- Lead sponsor
- Corewell Health South
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 27 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Saint Joseph, Michigan
- Conditions
- Autism, Vitamin D Deficiency
- Interventions
- Liquid Vitamin D
- Drug
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 3 Years to 8 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- San Francisco, California
- 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
- Schizophrenia, Schizoaffective Disorder
- Interventions
- Cholecalciferol, Placebo
- Drug
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years to 65 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2015
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Vitamin D Deficiency
- Interventions
- cholecalciferol (vitamin D)
- Dietary Supplement
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 65 Years to 95 Years
- Enrollment
- 105 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Colorectal Cancer
- Interventions
- Vitamin D3 (cholecalciferol), Placebo
- Drug
- Lead sponsor
- University of Illinois at Chicago
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 55 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- 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
- Arthritis, Rheumatoid, Vitamin D Deficiency
- Interventions
- Placebo in arm A and Vitamin D in arm B, vitamin D 3 for arm A ,and matching placebo for arm B
- Drug
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- 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
- Vitamin D Deficiency
- Interventions
- Vitamin D and Calcium
- Dietary Supplement
- Lead sponsor
- CONRAD
- Other
- Eligibility
- 21 Years to 50 Years · Female only
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Norfolk, Virginia
- Conditions
- Breast Cancer
- Interventions
- 800 IU Vitamin D Supplement, 50,000 IU Vitamin D supplement
- Drug
- Lead sponsor
- Mothaffar Rimawi
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 93 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2018
- U.S. locations
- 2
- States / cities
- St Louis, Missouri • Houston, Texas
- Conditions
- Chronic Kidney Disease
- Interventions
- 1000 IU of Vitamin D3, 4000 IU of Vitamin D3
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 9 Years to 21 Years
- Enrollment
- 98 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Breast Cancer
- Interventions
- Cholecalciferol, Placebo capsule
- Drug
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 21 Years and older · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2015
- U.S. locations
- 1
- States / cities
- New York, New York