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Showing 1–24 of 87 matching trials from the live ClinicalTrials.gov search.

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Filters: Intervention: ergocalciferol Clear all

Conditions: Hyperparathyroidism
Interventions: Vitamin D, Four-dimensional computed tomography (4DCT); Drug · Device
Lead sponsor: M.D. Anderson Cancer Center; Other
Eligibility: 21 Years and older
Enrollment: 22 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2018
U.S. locations: 1
States / cities: Houston, Texas

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: 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: 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: Coronary Calcification, Endstage Renal Disease, Parathyroid Hormone
Interventions: Doxercalciferol administration, Doxercalciferol administered by 1-84-7-84; Drug
Lead sponsor: Southeast Renal Research Institute; Other
Eligibility: 18 Years to 80 Years
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2009
U.S. locations: 1
States / cities: Charlotte, North Carolina

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: 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: 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 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

Conditions: Congestive Heart Failure, Ischemic Cardiomyopathy
Interventions: Micronutrients; Drug
Lead sponsor: Phoenix VA Health Care System; Federal
Eligibility: 18 Years to 89 Years
Enrollment: 40 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2016
U.S. locations: 1
States / cities: Phoenix, Arizona

Conditions: Pruritis
Interventions: 50,000 Units Ergocalciferol, Placebo; Drug
Lead sponsor: Winthrop University Hospital; Other
Eligibility: 18 Years to 85 Years
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2012
U.S. locations: 2
States / cities: Bethpage, New York • Mineola, New York

Conditions: Vitamin D Deficiency
Interventions: Vitamin D2, Placebo; Drug
Lead sponsor: NYU Langone Health; Other
Eligibility: 12 Years to 18 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2015
U.S. locations: 1
States / cities: New York, New York

Conditions: Human Immunodeficiency Virus (HIV), Vitamin D Deficiency, HIV Infections
Interventions: Vitamin D, Placebo; Drug · Other
Lead sponsor: University Hospitals Cleveland Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 45 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010
U.S. locations: 1
States / cities: Cleveland, Ohio

Conditions: Chronic Kidney Disease
Interventions: Vitamin D3, Vitamin D2, Placebo; Dietary Supplement
Lead sponsor: Creighton University; Other
Eligibility: 20 Years to 65 Years
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2013
U.S. locations: 1
States / cities: Omaha, Nebraska

Conditions: Vitamin D Deficiency, Secondary Hyperparathyroidism, Obesity
Interventions: Ergocalciferol, Cholecalciferol; Drug
Lead sponsor: Weill Medical College of Cornell University; Other
Eligibility: 18 Years to 65 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2007
U.S. locations: 1
States / cities: New York, New York

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, Nephrolithiasis
Interventions: vitamin D (ergocalciferol); Drug
Lead sponsor: Brigham and Women's Hospital; Other
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2010
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Vitamin D Deficiency
Interventions: Vitamin D2, Placebo; Drug · Other
Lead sponsor: Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute); Other
Eligibility: 18 Years to 89 Years
Enrollment: 25 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2024
U.S. locations: 1
States / cities: Pittsburgh, Pennsylvania

Conditions: Rheumatoid Arthritis, Vitamin D Deficiency
Interventions: Placebo sugar pill, Ergocalciferol; Drug
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years to 75 Years
Enrollment: 139 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2012
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Vitamin D Deficiency, Osteoporosis
Interventions: Vitamin D, placebo; Drug
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 55 Years and older
Enrollment: 96 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2001 – 2004
U.S. locations: 1
States / cities: Madison, Wisconsin

Conditions: Myopathic Symptoms
Interventions: Ergocalciferol, Placebo; Drug
Lead sponsor: Cedars-Sinai Medical Center; Other
Eligibility: 18 Years and older · Female only
Enrollment: 11 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2019
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Chronic Kidney Disease Stages 3-5
Interventions: Ergocalciferol supplementation; Drug
Lead sponsor: Kaiser Permanente; Other
Eligibility: 18 Years and older
Enrollment: 6 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2011
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Vitamin D Deficiency
Interventions: Ergocalciferol, Ergocalciferol placebo; Dietary Supplement
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years to 45 Years
Enrollment: 92 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2008
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Type 2 Diabetes, Vitamin D Deficiency
Interventions: Vitamin D2, Sugar pill; Dietary Supplement · Other
Lead sponsor: University of Alabama at Birmingham; Other
Eligibility: 12 Years to 18 Years
Enrollment: 31 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2013
U.S. locations: 1
States / cities: Birmingham, Alabama