- Conditions
- Hypertension, Kidney Diseases
- Interventions
- Vitamin D3, Omega-3 Fatty acids, Vitamin D3 placebo, Fish oil placebo
- Dietary Supplement · Drug
- Lead sponsor
- Albert Einstein College of Medicine
- Other
- Eligibility
- 50 Years to 99 Years
- Enrollment
- 2,232 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2022
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
Search Results
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Cluster Headache
- Interventions
- Vitamin D, multivitamin, Placebo
- Dietary Supplement
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Type 2 Diabetes
- Interventions
- cholecalciferol, microcrystalline cellulose
- Dietary Supplement · Other
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 40 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Hot Flushes, Menopause, Premature, Obesity, Vitamin D Deficiency
- Interventions
- Vitamin D, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Kaiser Permanente
- Other
- Eligibility
- 40 Years to 60 Years · Female only
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Cancer, Cardiovascular Disease
- Interventions
- vitamin D3, omega-3 fatty acids (fish oil), Vitamin D3 placebo, Fish oil placebo
- Dietary Supplement · Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 25,871 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Transplant; Failure, Kidney, Renal Disease, End Stage, Hyperparathyroidism, Secondary
- Interventions
- Paricalcitol, Corticosteroid Avoidance Immune Suppression Protocol
- Drug · Other
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2011
- U.S. locations
- 2
- States / cities
- Scottsdale, Arizona • Rochester, Minnesota
- Conditions
- Insulin Resistance
- Interventions
- 4,000 IU vitamin D3
- Dietary Supplement
- Lead sponsor
- University of Missouri-Columbia
- Other
- Eligibility
- 9 Years to 19 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- Columbia, Missouri
- 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
- Neuropathic Pain
- Interventions
- Ergocalciferol Capsules, Cholecalciferol Capsules
- Drug · Dietary Supplement
- Lead sponsor
- Virginia Commonwealth University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2030
- U.S. locations
- 1
- States / cities
- Richmond, Virginia
- Conditions
- Opioid Use Disorder
- Interventions
- [11C]-PHNO, Calcitriol, Placebo Control, PET Scan
- Drug · Dietary Supplement · Other + 1 more
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 5 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Diabetes Mellitus, Vitamin D Deficiency
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Ascension Health
- Industry
- Eligibility
- 34 Years to 69 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Flint, Michigan
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D 10000 UNT, Vitamin D 5000 UNT
- Drug
- Lead sponsor
- Virginia Polytechnic Institute and State University
- Other
- Eligibility
- 18 Years to 30 Years
- Enrollment
- 68 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Blacksburg, Virginia
- Conditions
- Cystic Fibrosis
- Interventions
- d6-25-hydroxyvitamin D3
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2023
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Chronic Kidney Disease, Anemia of Chronic Disease
- Interventions
- Oral Calcitriol 0.5 mcg once daily for 6 weeks, Placebo
- Drug
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Rheumatoid Arthritis, Crohn's Disease
- Interventions
- calcitriol
- Drug
- Lead sponsor
- Atlanta VA Medical Center
- Federal
- Eligibility
- 18 Years to 50 Years · Male only
- Enrollment
- 9 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2009
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Vitamin D Deficiency
- Interventions
- cholecalciferol (vitamin D3), cholecalciferol
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 16 Years to 45 Years · Female only
- Enrollment
- 501 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2010
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Secondary Hyperparathyroidism, Chronic Kidney Disease
- Interventions
- Paricalcitol, Ergocalciferol
- Drug
- Lead sponsor
- Salem Veterans Affairs Medical Center
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Salem, Virginia
- Conditions
- Vitamin D Deficiency
- Interventions
- Softgel Vitamin D3, Nano Liquid Vitamin D3, 25(OH)D Blood Serum Test, Placebo Control
- Dietary Supplement · Diagnostic Test · Other
- Lead sponsor
- Inspired Life Medical, Inc.
- Industry
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 114 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Le Sueur, Minnesota
- Conditions
- Vitamin D Deficiency, Hematopoietic Stem Cell Transplantation (HSCT)
- Interventions
- Oral Thin Film (OTF) Cholecalciferol (Vitamin D3)
- Dietary Supplement
- Lead sponsor
- Children's Hospital Medical Center, Cincinnati
- Other
- Eligibility
- Not listed
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Lead Poisoning, Vitamin D Deficiency
- Interventions
- d-penicillamine, placebo
- Device · Drug
- Lead sponsor
- FDA Office of Orphan Products Development
- Federal
- Eligibility
- 6 Months to 16 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2007
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Sickle Cell Disease, Vitamin D Deficiency, Acute Chest Syndrome, Asthma, Respiratory Infections
- Interventions
- Experimental: Vitamin D3 100,000 IU, Active Comparator: Vitamin D3 12,000 IU
- Drug
- Lead sponsor
- Gary M Brittenham, MD
- Other
- Eligibility
- 3 Years to 20 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Vitamin D Deficiency (10 ng/mL to 30 ng/mL)
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 70 Years and older
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Healthy Volunteers
- Interventions
- Not listed
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Critically Ill, Acute Kidney Injury
- Interventions
- Calcifediol, Calcitriol, Placebos
- Drug
- Lead sponsor
- David Leaf
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts