- Conditions
- Vitamin D Insufficiency, Vitamin D Deficiency
- Interventions
- Pharmacist Education about Vitamin D
- Behavioral
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 65 Years to 89 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2006
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
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 145–168
of 964
matching trials from the live ClinicalTrials.gov search.
- Conditions
- HIV
- Interventions
- Tenofovir/emtricitabine, Tenofovir/emtricitabine/efavirenz, Raltegravir
- Drug
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Vitamin D Deficiency, Metabolic Syndrome, Prediabetes
- Interventions
- Mushroom with 600 IU vitamin D2, Mushroom with 4000 IU Vitamin D2, 600 IU Vitamin D3 and untreated mushroom, 4000 IU Vitamin D3 and untreated mushroom, Placebo
- Dietary Supplement · Drug
- Lead sponsor
- Icahn School of Medicine at Mount Sinai
- Other
- Eligibility
- 30 Years to 90 Years
- Enrollment
- 47 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Inflammatory Bowel Diseases, Skin Pigmentation
- Interventions
- Vitamin D3 (cholecalciferol)
- Dietary Supplement
- Lead sponsor
- Emory University
- Other
- Eligibility
- 8 Years to 21 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2014
- U.S. locations
- 2
- States / cities
- Atlanta, Georgia
- Conditions
- Pulmonary Disease, Chronic Obstructive
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2020
- U.S. locations
- 2
- States / cities
- Baltimore, Maryland • Chapel Hill, North Carolina
- Conditions
- Secondary Hyperparathyroidism, Chronic Kidney Disease
- Interventions
- Cinacalcet, active vitamin D analogue
- Other
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 92 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Lynchburg, Virginia
- Conditions
- Ulcerative Colitis, Inflammatory Bowel Disease
- Interventions
- Vitamin D3, Placebo
- Drug · Other
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Evanston, Illinois
- Conditions
- Cystic Fibrosis, Allergic Bronchopulmonary Aspergillosis
- Interventions
- cholecalciferol (Vitamin D3)
- Dietary Supplement
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 12 Years and older
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2013
- U.S. locations
- 2
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Immune Response
- Interventions
- Vit.D3 5000 IU, Immune Active
- Dietary Supplement
- Lead sponsor
- Metagenics, Inc.
- Industry
- Eligibility
- 18 Years to 69 Years
- Enrollment
- 7 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Gig Harbor, Washington
- Conditions
- Deficiency of Vitamin D3, COPD
- Interventions
- Cholecalciferol, multivitamin, Placebo
- Dietary Supplement
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 50 Years to 85 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Breast Cancer
- Interventions
- Topical Calcipotriene Ointment, Topical Vaseline
- Drug · Other
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 43 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- SARS-CoV-2 Infection
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,475 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2024
- U.S. locations
- 2
- States / cities
- Chicago, Illinois
- Conditions
- Warts
- Interventions
- Vitamin D3, Placebo
- Drug
- Lead sponsor
- Stephen P. Merry
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 77 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Breast Cancer
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Inova Health Care Services
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Fairfax, Virginia
- Conditions
- Metastatic Melanoma
- Interventions
- Calcitriol, Temozolomide
- Dietary Supplement · Drug
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2012
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Chronic Sinusitis
- Interventions
- vitamin D placebo, Vitamin D
- Dietary Supplement
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- 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
- Conditions
- Colorectal Adenomatous Polyps
- Interventions
- Calcium and vitamin D3 combined, Placebo, Calcium, Vitamin D3
- Dietary Supplement · Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 30 Years to 74 Years
- Enrollment
- 92 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2013
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- 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
- Plaque-type Psoriasis
- Interventions
- CD 2027
- Drug
- Lead sponsor
- Galderma R&D
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 26 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 3
- States / cities
- Hot Springs, Arizona • Austin, Texas • Bryan, Texas
- Conditions
- Renal Dialysis, Vitamin D Deficiency
- Interventions
- Cholecalciferol (Vitamin D)
- Dietary Supplement
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 45 Years to 89 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2022
- U.S. locations
- 1
- States / cities
- The Bronx, New York
- 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, 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
- 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