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Conditions: Aging
Interventions: NT-020, Placebo; Drug · Dietary Supplement
Lead sponsor: University of South Florida; Other
Eligibility: 65 Years to 85 Years
Enrollment: 139 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2013
U.S. locations: 1
States / cities: Tampa, Florida

Conditions: Spinal Cord Injury
Interventions: Vitamin D and Calcium; Dietary Supplement
Lead sponsor: US Department of Veterans Affairs; Federal
Eligibility: 18 Years to 75 Years
Enrollment: 10 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008 – 2012
U.S. locations: 1
States / cities: The Bronx, New York

Conditions: Type 1 Diabetes Mellitus
Interventions: Recombinant human glutamic acid decarboxylase (rhGAD65) formulated in Alhydrogel®, Colecalciferol 2000 IU, Placebo; Biological · Dietary Supplement
Lead sponsor: Diamyd Medical AB; Industry
Eligibility: 12 Years to 28 Years
Enrollment: 321 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2026
U.S. locations: 13
States / cities: Newport Beach, California • Palo Alto, California • San Diego, California + 10 more

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

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: 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: Systemic Lupus Erythematosus
Interventions: Cholecalciferol; Drug
Lead sponsor: Medical University of South Carolina; Other
Eligibility: 18 Years to 85 Years
Enrollment: 18 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2014
U.S. locations: 1
States / cities: Charleston, South Carolina

Conditions: Follicular Lymphoma, Small Lymphocytic Lymphoma, Marginal Zone Lymphoma, Mucosal-Associated Lymphoid Tissue Lymphoma
Interventions: Vitamin D, Rituximab, Placebo; Dietary Supplement · Biological · Other
Lead sponsor: Jonathan Friedberg; Other
Eligibility: 18 Years and older
Enrollment: 211 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2024
U.S. locations: 7
States / cities: Miami, Florida • Atlanta, Georgia • Iowa City, Iowa + 4 more

Conditions: Glomerular Disease
Interventions: Cholecalciferol, 2000 or 4000 IUs by mouth daily for 12 weeks; Dietary Supplement
Lead sponsor: Children's Hospital of Philadelphia; Other
Eligibility: 5 Years to 30 Years
Enrollment: 32 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2017
U.S. locations: 5
States / cities: Wilmington, Delaware • Baltimore, Maryland • New Hyde Park, New York + 1 more

Conditions: HIV
Interventions: Vitamin D3, Placebo, Vitamin Supplements; Drug · Other
Lead sponsor: Columbia University; Other
Eligibility: 40 Years to 70 Years · Female only
Enrollment: 85 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2016
U.S. locations: 1
States / cities: New York, New York

Conditions: Cardiovascular Disease
Interventions: Vitamin D3 + fish oil/fish oil placebo, Vitamin D3 placebo + fish oil/fish oil placebo; Dietary Supplement
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 50 Years and older
Enrollment: 1,025 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2021
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Vitamin D Deficiency
Interventions: cholecalciferol, Placebo; Dietary Supplement
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 50 Years to 100 Years · Female only
Enrollment: 62 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2014
U.S. locations: 1
States / cities: Madison, Wisconsin

Conditions: Infections, Human Cathelicidin Antimicrobial Peptide (hCAP-18)
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: 25,874 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2026
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Vitamin D Deficiency Disease
Interventions: Vitamin D3; Dietary Supplement
Lead sponsor: Madigan Army Medical Center; Federal
Eligibility: 18 Years and older
Enrollment: 131 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2018
U.S. locations: 1
States / cities: Tacoma, Washington

Conditions: Vitamin D Deficiency
Interventions: Vitamin D3; Dietary Supplement
Lead sponsor: Tufts University; Other
Eligibility: 9 Years to 14 Years
Enrollment: 691 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2013
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Cancer
Interventions: Vitamin D3, Calcium carbonate; Dietary Supplement
Lead sponsor: Creighton University; Other
Eligibility: 55 Years and older · Female only
Enrollment: 2,303 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2015
U.S. locations: 1
States / cities: Fremont, Nebraska

Conditions: Crohn's Disease (CD), Ulcerative Colitis (UC)
Interventions: Vitamin D3; Dietary Supplement
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years and older
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2013
U.S. locations: 1
States / cities: Fresno, California

Conditions: Systemic Lupus Erythematosus, SLE, Lupus
Interventions: Vitamin D3, Vitamin D3 placebo; Drug
Lead sponsor: National Institute of Allergy and Infectious Diseases (NIAID); NIH
Eligibility: 18 Years and older
Enrollment: 57 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2011
U.S. locations: 8
States / cities: Birmingham, Alabama • San Francisco, California • Boston, Massachusetts + 5 more

Conditions: Diabetes
Interventions: Vitamin D, Omega-3 fatty acids (fish oil), Vitamin D placebo, Fish oil placebo; Dietary Supplement · Drug
Lead sponsor: University of Washington; Other
Eligibility: 50 Years and older
Enrollment: 1,312 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2019
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Obesity, Vitamin D Deficiency, Psychosis, Schizophrenia, Schizoaffective Disorder
Interventions: Ergocalciferols; Drug
Lead sponsor: University of Massachusetts, Worcester; Other
Eligibility: 10 Years to 18 Years
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2010
U.S. locations: 1
States / cities: Worcester, Massachusetts

Conditions: Asthma
Interventions: Cholecalciferol; Dietary Supplement
Lead sponsor: University of Pittsburgh; Other
Eligibility: 6 Years to 14 Years
Enrollment: 48 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2015
U.S. locations: 1
States / cities: Pittsburgh, Pennsylvania

Conditions: Neurotoxicity
Interventions: Vitamin D3; Drug
Lead sponsor: Gerald Higa, PharmD.; Other
Eligibility: 18 Years to 90 Years
Enrollment: 9 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012
U.S. locations: 1
States / cities: Morgantown, West Virginia

Conditions: Bone Density, Bone Health, Fractures
Interventions: Vitamin D3 placebo, Fish oil placebo, Omega-3 fatty acids (fish oil), Vitamin D3; Dietary Supplement · Drug
Lead sponsor: Brigham and Women's Hospital; Other
Eligibility: 50 Years and older
Enrollment: 25,871 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2026
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Chronic Pain Following Thermal Burn Injury
Interventions: Omega-3 fatty acids (fish oil), Vitamin D3 (cholecalciferol), Vitamin D3 (cholecalciferol) placebo, Omega-3 fatty acid placebo; Drug
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: 18 Years to 65 Years
Enrollment: 24 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

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Nutraceutical Effects on Long-Term Memory

Vitamin D and Calcium Study

A Phase III Study to Investigate if the Study Drug Diamyd Can Preserve Insulin Production and Improve Glycemic Control in Patients Newly Diagnosed With Type 1 Diabetes

Effects of Vitamin D and Fish Oil on the Kidney in Hypertensives

Vitamin D and Omega-3 Trial (VITAL)

Evaluation of Vitamin D Requirements During Pregnancy

Vitamin D Therapy in Patients With Systemic Lupus Erythematosus (SLE)

A Study to Evaluate the Effect of Vitamin D on PFS in Indolent Non-Hodgkin's Lymphoma

Vitamin D Supplementation in Glomerular Disease

Vitamin D HIV Study on Postmenopausal Women

Impact of Vitamin D Supplementation on Cardiac Structure and Function

Improving the Understanding of the Response to Vitamin D Supplementation

Effects of Vitamin D and Omega-3 Fatty Acids on Infectious Diseases and hCAP18 (VITAL Infection)

Vitamin D Supplementation in Warfighters

Impact of Vitamin D Supplementation on Cardiometabolic Risk Factors [The Daily D Health Study]

Clinical Trial of Vitamin D3 to Reduce Cancer Risk in Postmenopausal Women

Supplementation of Vitamin D3 in Patients With Inflammatory Bowel Diseases and Hypovitaminosis D

Vitamin D3 in Systemic Lupus Erythematosus

Vitamin D and Omega-3 Trial to Prevent and Treat Diabetic Kidney Disease

Vitamin D Supplementation in Psychiatric Illnesses

Vitamin D and Severe Asthma Exacerbations

Study to Assess Prevention of Oxaliplatin-induced Neurotoxicity Through Vitamin D Pathway

VITamin D and OmegA-3 TriaL: Interrelationship of Vitamin D and Vitamin K on Bone (VITAL)

Vitamin D and n-3 Polyunsaturated Fatty Acids (PUFAs) to Prevent Chronic Pain Following Major Thermal Burn Injury