- Conditions
- Vitamin D Deficiency, Vitamin D Insufficiency
- Interventions
- UVB treatment, Sham comparator
- Device
- Lead sponsor
- Boston University
- Other
- Eligibility
- 22 Years and older
- Enrollment
- 69 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
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Showing 1–24
of 558
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Vitamin D Deficiency
- Interventions
- Sun Exposure
- Behavioral
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 19 Years to 50 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Ergocalciferol
- Interventions
- Ergocalciferol
- Drug
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Cardiovascular Diseases, Vitamin D Deficiency
- Interventions
- Vitamin D3, Placebo
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 55 Years to 65 Years · Female only
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Hypophosphatemia, X-linked Hypophosphatemia, Renin-angiotensin System, Left Ventricular Hypertrophy
- Interventions
- Ang II and Ang-(1-7), FGF23 and klotho
- Diagnostic Test
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 2 Years to 24 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Aphthous Stomatitis
- Interventions
- multivitamin
- Dietary Supplement
- Lead sponsor
- UConn Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 160 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2009
- U.S. locations
- 1
- States / cities
- Farmington, Connecticut
- Conditions
- Nutritional Deficiency, Insomnia
- Interventions
- Sugar Pill, magnesium
- Dietary Supplement
- Lead sponsor
- USDA Grand Forks Human Nutrition Research Center
- Federal
- Eligibility
- 51 Years and older
- Enrollment
- 111 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008
- U.S. locations
- 1
- States / cities
- Grand Forks, North Dakota
- 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
- Hypovitaminosis D
- Interventions
- Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 113 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 1
- States / cities
- Charlotte, North Carolina
- Conditions
- Malnutrition, Nutritional Risk, Abdominal Surgery
- Interventions
- Protein enhanced nutrition intervention, Education Control
- Dietary Supplement · Other
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 60 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2022
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Sickle Cell Disease, Malnutrition
- Interventions
- Maternal Nutrition Education, Standard Care
- Behavioral
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 6 Months to 18 Months
- Enrollment
- 146 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Vitamin d Deficiency
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- University of Delaware
- Other
- Eligibility
- 18 Years to 30 Years · Female only
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Newark, Delaware
- Conditions
- Magnesium Deficiency
- Interventions
- Applied Kinesiology
- Diagnostic Test
- Lead sponsor
- Anthony Rosner
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Warwick, Rhode Island
- Conditions
- End Stage Renal Disease
- Interventions
- nutritional supplement, recombinant human growth hormone (rcGH), exercise
- Dietary Supplement · Drug · Behavioral
- Lead sponsor
- Vanderbilt University
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1998 – 2006
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- HIV Infections
- Interventions
- Vitamin D control dose, Vitamin D supplementation-
- Drug
- Lead sponsor
- University Hospitals Cleveland Medical Center
- Other
- Eligibility
- 8 Years to 25 Years
- Enrollment
- 190 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2016
- U.S. locations
- 2
- States / cities
- Atlanta, Georgia • Cleveland, Ohio
- Conditions
- Malnutrition
- Interventions
- Kabiven®, Compounded standard parenteral nutrition
- Drug
- Lead sponsor
- Fresenius Kabi
- Industry
- Eligibility
- 2 Years to 16 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2021
- U.S. locations
- 2
- States / cities
- Chicago, Illinois • Kansas City, Missouri
- Conditions
- Vitamin D Deficiency, Breast Milk Collection
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 1 Month to 60 Years
- Enrollment
- 101 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Covid 19, Vitamin D Deficiency
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Arizona State University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 41 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Tempe, Arizona
- Conditions
- Healthy, Malnutrition
- Interventions
- Not listed
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 9 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2011
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Asthma, Vitamin D Deficiency, Pediatric Obesity
- Interventions
- Vitamin D3 oral regimen
- Dietary Supplement
- Lead sponsor
- IDeA States Pediatric Clinical Trials Network
- Network
- Eligibility
- 6 Years to 17 Years
- Enrollment
- 112 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2021
- U.S. locations
- 15
- States / cities
- Little Rock, Arkansas • Wilmington, Delaware • Honolulu, Hawaii + 12 more
- Conditions
- Crohn's Disease, Vitamin D Deficiency
- Interventions
- Cholecalciferol 10,000 IU, Cholecalciferol 400 IU
- Drug
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2016
- U.S. locations
- 4
- States / cities
- Indianapolis, Indiana • Iowa City, Iowa • Ann Arbor, Michigan + 1 more
- Conditions
- Liver Diseases, End Stage Liver Disease, Frailty
- Interventions
- Nokia GO Wearable StepTracker, Medication Reminder, Weekly Check-in appointment with study team or provider
- Device · Other
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 21 Years to 95 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2022
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Hemophilia A, Hemophilia B, Vitamin D Deficiency
- Interventions
- Vitamin D and calcium
- Dietary Supplement
- Lead sponsor
- Virginia Commonwealth University
- Other
- Eligibility
- 2 Years to 21 Years · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Richmond, Virginia
- Conditions
- Hypophosphatemia, Hypophosphatemic Rickets, Pain, Chronic
- Interventions
- Burosumab
- Biological
- Lead sponsor
- Redwood Dermatology Sciences
- Other
- Eligibility
- Up to 18 Years · Female only
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Clinton, Utah