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Showing 1–24 of 83 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Vitamin D ergocalciferol Clear all

Conditions: Nephrolithiasis, Urolithiasis, Idiopathic Hypercalciuria, Vitamin D Deficiency, Disorder of Vitamin D
Interventions: Ergocalciferol; Drug
Lead sponsor: New York Presbyterian Hospital; Other
Eligibility: 18 Years and older
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2011
U.S. locations: 1
States / cities: New York, New York

Conditions: Healthy, Vitamin D Deficiency
Interventions: ergocalciferol, placebo pill; Dietary Supplement · Other
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 9 Years to 18 Years · Female only
Enrollment: 90 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2013
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Vitamin D Deficiency
Interventions: Mushroom Vitamin D2, Cholecalciferol, Vitamin D2 - Ergocalciferol, Mushroom Extract; Dietary Supplement
Lead sponsor: Boston University; Other
Eligibility: 18 Years to 64 Years
Enrollment: 80 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2013
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: End Stage Renal Disease
Interventions: ergocalciferol supplementation, placebo; Dietary Supplement · Other
Lead sponsor: Dialysis Clinic, Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 470 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2015
U.S. locations: 12
States / cities: Redding, California • Albany, Georgia • Shreveport, Louisiana + 9 more

Conditions: Chronic Kidney Disease, Vitamin D Deficiency
Interventions: Ergocalciferol, Calcitriol; Drug
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years to 80 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2014
U.S. locations: 1
States / cities: Cambridge, Massachusetts

Conditions: Asthma, Vitamin D Deficiency
Interventions: Vitamin D2 + vitamin D3, Vitamin D3; Drug
Lead sponsor: Nationwide Children's Hospital; Other
Eligibility: 8 Years to 17 Years
Enrollment: 18 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2016
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Musculoskeletal Pain
Interventions: Vitamin D 2, Vitamin D2 Placebo; Drug
Lead sponsor: University of North Carolina, Chapel Hill; Other
Eligibility: 18 Years to 65 Years
Enrollment: 71 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2024
U.S. locations: 4
States / cities: Worcester, Massachusetts • St Louis, Missouri • Camden, New Jersey + 1 more

Conditions: Anemia of Chronic Kidney Disease
Interventions: Cholecalciferol; Drug
Lead sponsor: Johns Hopkins University; Other
Eligibility: 1 Year to 21 Years
Enrollment: 34 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2015
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Vitamin D Deficiency
Interventions: 1,000 IU vitamin D2, placebo capsule, mushrooms, UVB-treated mushrooms, 400 IU vitamin D2, UVB-treated mushrooms, 1,000 IU vitamin D2; Dietary Supplement · Other
Lead sponsor: USDA, Western Human Nutrition Research Center; Federal
Eligibility: 20 Years to 59 Years
Enrollment: 48 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2011
U.S. locations: 1
States / cities: Davis, California

Conditions: Depressive Symptoms, Diabetes
Interventions: Vitamin D supplementation; Dietary Supplement
Lead sponsor: Loyola University; Other
Eligibility: 18 Years and older · Female only
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2012
U.S. locations: 1
States / cities: Maywood, Illinois

Conditions: Healthy
Interventions: vitamin D2, vitamin D3; Dietary Supplement
Lead sponsor: Creighton University; Other
Eligibility: 21 Years to 65 Years
Enrollment: 32 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010
U.S. locations: 1
States / cities: Omaha, Nebraska

Conditions: Chronic Kidney Disease
Interventions: Vitamin D2 (ergocalciferol), Vitamin D3 (cholecalciferol); Dietary Supplement
Lead sponsor: University of Kansas Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 44 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2015
U.S. locations: 1
States / cities: Kansas City, Kansas

Conditions: Wheezing, Allergy
Interventions: Cholecalciferol, Cholecalciferol; Dietary Supplement · Drug
Lead sponsor: Case Western Reserve University; Other
Eligibility: Up to 1 Year
Enrollment: 300 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2017
U.S. locations: 5
States / cities: New York, New York • Cleveland, Ohio • Charleston, South Carolina

Conditions: Vitamin D Deficiency, Osteoporosis, Osteopenia
Interventions: Calcium 500mg with 200 IU Vitamin D - 2 tablets daily, Blood levels of Vitamin D, Serum CTX, Mg, Ca++ and iPTH, Usual sun exposure documentation, Dietary intake of calcium, vitamin D, magnesium; Drug · Procedure · Behavioral
Lead sponsor: McLennan County Medical Education and Research Foundation; Other
Eligibility: 70 Years and older · Female only
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2007
U.S. locations: 1
States / cities: Waco, Texas

Conditions: Polycystic Ovarian Syndrome, Vitamin D Deficiency
Interventions: Vitamin D2 (Ergocalciferol), Medroxyprogesterone (Provera), Vitamin D3 (Cholecalciferol), Elemental Calcium; Dietary Supplement · Drug
Lead sponsor: Yale University; Other
Eligibility: 18 Years to 40 Years · Female only
Enrollment: 36 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2013
U.S. locations: 1
States / cities: New Haven, Connecticut

Conditions: Vitamin D Deficiency
Interventions: Vitamin D-enriched mushrooms, Study Powder; Other
Lead sponsor: Purdue University; Other
Eligibility: 30 Years to 69 Years
Enrollment: 36 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2024
U.S. locations: 1
States / cities: West Lafayette, Indiana

Conditions: CKD Stage 3/4
Interventions: Vitamin D 2mg daily for 2 weeks oral paricalcitol, Placebo; Drug
Lead sponsor: University of Illinois Chicago; Other
Eligibility: 18 Years and older
Enrollment: 8 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2012
U.S. locations: 1
States / cities: Chicago, Illinois

Conditions: Leg Cramps, Nocturnal
Interventions: vitamin d, placebo; Drug
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 50 Years and older
Enrollment: 29 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007 – 2011
U.S. locations: 1
States / cities: Madison, Wisconsin

Conditions: Vitamin D Deficiency, Coronary Artery Disease, Endothelial Dysfunction, Inflammation
Interventions: Ergocalciferol, Sugar pill; Drug · Other
Lead sponsor: Seth I. Sokol, M.D.; Other
Eligibility: 18 Years and older
Enrollment: 96 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2011
U.S. locations: 2
States / cities: The Bronx, New York

Conditions: Bone Mineralization Defect
Interventions: Vitamin D2; Drug
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 6 Years to 21 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2014
U.S. locations: 2
States / cities: Loma Linda, California • Los Angeles, California

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: Peyronie's Disease
Interventions: Vitamin D2, Vitamin E, Testosterone Pellets; Drug
Lead sponsor: Men's Health Boston; Other
Eligibility: 18 Years to 70 Years · Male only
Enrollment: 75 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2017
U.S. locations: 1
States / cities: Chestnut Hill, Massachusetts

Conditions: Breast, Breast Cancer, Osteoporosis
Interventions: High Dose Vitamin D, Standard of Care Vitamin D; Dietary Supplement
Lead sponsor: Wake Forest University Health Sciences; Other
Eligibility: 18 Years to 45 Years · Female only
Enrollment: 7 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2024
U.S. locations: 1
States / cities: Charlotte, North Carolina

Conditions: Healthy Subjects, Vitamin D Deficiency
Interventions: ergocalciferol; Drug
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years to 80 Years
Enrollment: 99 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007 – 2012
U.S. locations: 1
States / cities: Boston, Massachusetts

Search by objective public record fields.

Vitamin D Repletion in Stone Formers With Hypercalciuria

Vitamin D Deficiency in Adolescent Girls

Evaluating Vitamin D Content in Mushrooms

Safety and Effects of Supplementation With Ergocalciferol on Erythropoietin Dosing in Hemodialysis Patients

hCAP18 Levels and Vitamin D Deficiency in Chronic Kidney Disease

Vitamin D in Pediatric Asthma: a Randomized Controlled Open-label Pilot Trial

Vitamin D to ENhance TraUma REcovery

Vitamin D as a Modifier of Serum Hepcidin in Children With Chronic Kidney Disease

Effect of Consumption of Post-harvest UV-B Treated Mushrooms on Vitamin D Status of Healthy Adults

Vitamin D for Improving Metabolic Control and Depressive Symptoms

Relative Efficacy of Vitamins D2 and D3 in Adult Humans

Differential Effects of Ergocalciferol and Cholecalciferol Therapies in Chronic Kidney Disease

Wheezing in Black Preterm Infants: Impact of Vitamin D Supplementation Strategy

Vitamin D Deficiency in Elderly African American Women in Central Texas

Health Benefits of Vitamin D and Calcium in Women With PCOS (Polycystic Ovarian Syndrome)

Effects of Vitamin D-Enriched Mushrooms on Vitamin D Status and Immune Function and Inflammatory Status in Adults

Identification of Markers for Determining the Efficacy of Vitamin D Receptor Activator Therapy in Stage 3/4 CKD Patients

Vitamin D for Painful Nocturnal Leg Cramps

Vitamin D Repletion in Coronary Artery Disease

How Bone is Made in Children Receiving Dialysis

Bioavailability and Biological Effects of Vitamin D2 Contained in Mushroom

Testosterone Pellets Plus Vitamin D and E Versus Vitamin D and E Alone for the Treatment of Peyronie's Disease

A Study of High-Dose Vit D Versus Standard of Care Vit D Supplementation

hCAP18 Levels and Vitamin D Deficiency in Healthy Subjects