- Conditions
- HIV Infections
- Interventions
- Vitamin D control dose, Vitamin D supplementation-
- Drug
- Lead sponsor
- University Hospitals Cleveland Medical Center
- Other
- Eligibility
- 8 Years to 25 Years
- Enrollment
- 190 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2016
- U.S. locations
- 2
- States / cities
- Atlanta, Georgia • Cleveland, Ohio
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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Obesity
- Interventions
- Drisdol (Ergocalciferol) Vitamin D2, Placebo
- Drug
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 11 Years to 17 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Stanford, California
- Conditions
- Vitamin D Deficiency, Preterm Infants, Bronchopulmonary Dysplasia
- Interventions
- Cholecalciferol, Placebo
- Dietary Supplement
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 1 Minute to 7 Days
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- New Biomarkers for Measuring Vitamin D Level
- Interventions
- Vitamin D Supplementation, Placebo, Calcium
- Dietary Supplement · Other
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 60 Years to 90 Years · Female only
- Enrollment
- 444 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- Femur Neck Fracture
- Interventions
- Teriparatide, Placebo, Calcium supplementation, Vitamin D supplementation
- Drug · Dietary Supplement
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 50 Years and older
- Enrollment
- 39 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2013
- U.S. locations
- 19
- States / cities
- San Diego, California • Golden, Colorado • Washington D.C., District of Columbia + 16 more
- Conditions
- Obesity, Overweight
- Interventions
- Reduced energy (lite) OJ fortified with Calcium and Vitamin D, Nutrition Counseling, Reduced energy (lite) OJ without Calcium and Vitamin D
- Dietary Supplement · Behavioral
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 83 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Complications of Bariatric Procedures, Avitaminosis
- Interventions
- Chewable Multivitamin with Iron, PatchMD Vitamin D3/Calcium Patch, PatchMD Multivitamin Patch, PatchMD B12 Energy Plus Patch, Chewable Calcium, Quick Dissolve B12
- Dietary Supplement
- Lead sponsor
- California State Polytechnic University, Pomona
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- Brea, California
- Conditions
- Prostatic Neoplasms, Bone Mineral Density Quantitative Trait Locus 3
- Interventions
- vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- 60 Years to 99 Years · Male only
- Enrollment
- 108 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Rochester, New York
- Conditions
- Prostate Cancer
- Interventions
- cholecalciferol
- Dietary Supplement
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 18 Years to 120 Years · Male only
- Enrollment
- 148 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2013
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Ankle Arthrodesis, MTP Arthrodesis
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- Prisma Health-Midlands
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2026
- U.S. locations
- 2
- States / cities
- Charleston, South Carolina • Columbia, South Carolina
- Conditions
- Stress Fracture
- Interventions
- Calcium & Vitamin D
- Dietary Supplement
- Lead sponsor
- Creighton University
- Other
- Eligibility
- Female only
- Enrollment
- 5,201 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2002 – 2006
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Mental Health, Vitamin D
- Interventions
- Placebo, Low dose Omega 3, High dose Omega 3
- Dietary Supplement
- Lead sponsor
- University of Colorado, Colorado Springs
- Other
- Eligibility
- 18 Years to 27 Years
- Enrollment
- 103 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Colorado Springs, Colorado
- 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
- 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
- Iron Deficiency, Iron Deficiency Anemia (IDA), Vitamin D Deficiency, Vitamin D Insufficiency, Low Energy Availability, Bone Density
- Interventions
- Iron and Vitamin D Deficiencies Correction
- Dietary Supplement
- Lead sponsor
- Morehouse School of Medicine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2026
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- 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
- Diabetic Kidney Disease
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 54 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Hematopoietic Stem Cell Transplant
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Children's Hospital Los Angeles
- Other
- Eligibility
- 0 Years to 25 Years
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Hypovitaminosis D
- Interventions
- Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 113 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 1
- States / cities
- Charlotte, North Carolina
- 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
- Cutaneous Lupus Erythematosus
- Interventions
- vitamin D
- Dietary Supplement
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- 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
- Prematurity; Extreme
- Interventions
- Vitamin D supplementation, No additional vitamin D supplementation
- Dietary Supplement · Other
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 1 Day to 4 Days
- Enrollment
- 126 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Type 1 Diabetes Mellitus
- Interventions
- Vitamin D
- Drug
- Lead sponsor
- Corewell Health East
- Other
- Eligibility
- 1 Year to 18 Years
- Enrollment
- 75 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Royal Oak, Michigan