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Showing 1–24 of 56 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Vitamin D Status Clear all

Conditions: Vitamin D Deficiency, Accidental Falls
Interventions: Vitamin D3, Vitamin E; Dietary Supplement
Lead sponsor: Wake Forest University Health Sciences; Other
Eligibility: 65 Years and older
Enrollment: 68 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2011
U.S. locations: 1
States / cities: Winston-Salem, North Carolina

Conditions: Vitamin D Status
Interventions: Tanning spray, UVB; Other
Lead sponsor: Creighton University; Other
Eligibility: 19 Years to 50 Years
Enrollment: 50 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008 – 2009
U.S. locations: 1
States / cities: Omaha, Nebraska

Conditions: Healthy Adult Participants, Vitamin D Insufficiency
Interventions: Vitamin D3 bioenhanced eggs, 25(OH)D3 bioenhanced eggs; Dietary Supplement
Lead sponsor: Cornell University; Other
Eligibility: 18 Years to 40 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2027 – 2029
U.S. locations: 1
States / cities: Ithaca, New York

Conditions: Burns, Bone Demineralization
Interventions: Vitamin D2, Vitamin D3; Dietary Supplement
Lead sponsor: Shriners Hospitals for Children; Other
Eligibility: 6 Months to 18 Years
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2003 – 2011
U.S. locations: 1
States / cities: Cincinnati, Ohio

Conditions: Reproductive Effects, Pregnancy
Interventions: Not listed
Lead sponsor: Rowan University; Other
Eligibility: 18 Years and older · Female only
Enrollment: 1,141 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: Started 2007
U.S. locations: 1
States / cities: Stratford, New Jersey

Conditions: Vitamin D3 Deficiency
Interventions: Vitamin D3 4000 IU in gummy form, Placebo gummy vitamin; Drug
Lead sponsor: Medical University of South Carolina; Other
Eligibility: 18 Years to 45 Years · Female only
Enrollment: 342 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2018
U.S. locations: 1
States / cities: Charleston, South Carolina

Conditions: Type 2 Diabetes, Nonalcoholic Fatty Liver Disease, Vitamin D Deficiency
Interventions: Ergocalciferol, placebo; Dietary Supplement
Lead sponsor: University of Massachusetts, Worcester; Other
Eligibility: 10 Years to 50 Years
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2016
U.S. locations: 1
States / cities: Worcester, Massachusetts

Conditions: Type 2 Diabetes
Interventions: vitamin D3, cholecalciferol, Inactive comparator; Dietary Supplement
Lead sponsor: Augusta University; Other
Eligibility: 19 Years to 60 Years
Enrollment: 48 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010
U.S. locations: 1
States / cities: Augusta, Georgia

Conditions: Vitamin D, Prematurity
Interventions: Vitamin D3, vitamin D3 placebo; Dietary Supplement
Lead sponsor: University of Nebraska; Other
Eligibility: 5 Minutes to 3 Months
Enrollment: 64 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2010
U.S. locations: 1
States / cities: Omaha, Nebraska

Conditions: Inflammation, Infection
Interventions: Vitamin D3 Supplementation; Dietary Supplement
Lead sponsor: Cornell University; Other
Eligibility: 13 Years to 18 Years · Female only
Enrollment: 85 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2019
U.S. locations: 1
States / cities: Rochester, New York

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: Cognitive Decline, Cognitive Impairment
Interventions: Vitamin D; Other
Lead sponsor: National Institute on Aging (NIA); NIH
Eligibility: 30 Years to 64 Years
Enrollment: 3,720 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2004 – 2013
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Nutritional Status, Serum Biomarkers
Interventions: Dietary Supplement (Kids Multi & Omegas); Dietary Supplement
Lead sponsor: SF Research Institute, Inc.; Network
Eligibility: 4 Years to 15 Years
Enrollment: 30 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Cystic Fibrosis
Interventions: ergocalciferol (vitamin D2), Sperti Del Sol Lamp, Vitamin D3; Drug · Device
Lead sponsor: Atlanta VA Medical Center; Federal
Eligibility: 18 Years to 60 Years
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2011
U.S. locations: 1
States / cities: Atlanta, Georgia

Conditions: Vitamin D Deficiency
Interventions: Vitamin D drops, 200 or 400 or 600 IU/day or 800 IU/day; Dietary Supplement
Lead sponsor: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD); NIH
Eligibility: 3 Weeks to 5 Weeks
Enrollment: 398 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2011
U.S. locations: 1
States / cities: Coralville, Iowa

Conditions: Pregnancy
Interventions: Not listed
Lead sponsor: Cornell University; Other
Eligibility: 21 Years and older · Female only
Enrollment: 47 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2011
U.S. locations: 1
States / cities: Ithaca, New York

Conditions: Obesity, Vitamin D Deficiency
Interventions: Vitamin D3 and Calcium; Dietary Supplement
Lead sponsor: Vadim Sherman, MD; Other
Eligibility: 18 Years to 65 Years · Female only
Enrollment: 37 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2015
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Vitamin D Deficiency
Interventions: Not listed
Lead sponsor: Creighton University; Other
Eligibility: 18 Years to 60 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010
U.S. locations: 1
States / cities: Omaha, Nebraska

Conditions: Vitamin D Deficiency, Vitamin D Insufficiency
Interventions: Vitamin D, Placebo, Standard of Care; Dietary Supplement · Other
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years to 64 Years
Enrollment: 70 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Chronic Kidney Disease
Interventions: 1000 IU of Vitamin D3, 4000 IU of Vitamin D3; Drug
Lead sponsor: Emory University; Other
Eligibility: 9 Years to 21 Years
Enrollment: 98 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2014
U.S. locations: 1
States / cities: Atlanta, Georgia

Conditions: Muscle Function, Muscle Soreness, Vitamin D Status
Interventions: Vitamin D2 mushroom powder, Placebo; Dietary Supplement · Other
Lead sponsor: Appalachian State University; Other
Eligibility: 20 Years to 40 Years · Male only
Enrollment: 33 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2013
U.S. locations: 3
States / cities: Kannapolis, North Carolina

Conditions: Vitamin D Status, Glucose Tolerance, Blood Pressure, Bone Mineral Density, Hyperlipidemia
Interventions: Vitamin D; Other
Lead sponsor: Baltimore VA Medical Center; Federal
Eligibility: 45 Years to 85 Years
Enrollment: 362 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2022
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Breast Cancer, Vitamin D Deficiency
Interventions: Not listed
Lead sponsor: University of Arizona; Other
Eligibility: 18 Years to 75 Years · Female only
Enrollment: 240 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009
U.S. locations: 1
States / cities: Tucson, Arizona

Conditions: Vitamin d Deficiency
Interventions: Blood draw pre-operatively, Blood draw post-operative Day 1, Blood draw post-operative Day 2; Procedure
Lead sponsor: University of Missouri, Kansas City; Other
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016
U.S. locations: 1
States / cities: Kansas City, Missouri