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Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Vitamin D 25 OH Deficiency Clear all

Conditions: Vitamin D 25 OH Deficiency
Interventions: Cholecalciferol, Cholecalciferol 5,000 IU; Dietary Supplement
Lead sponsor: University of South Florida; Other
Eligibility: 18 Years and older
Enrollment: 56 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2011
U.S. locations: 1
States / cities: Tampa, Florida

Conditions: Vitamin D Deficiency, Fat Malabsorption
Interventions: Calcifediol, Calciferol; Drug
Lead sponsor: Boston University; Other
Eligibility: 18 Years and older
Enrollment: 16 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2019
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Vitamin D Deficiency
Interventions: Vitamin D, Placebo, Vitamin D + L-cysteine, L-cysteine; Drug
Lead sponsor: Louisiana State University Health Sciences Center Shreveport; Other
Eligibility: 18 Years to 65 Years
Enrollment: 165 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2022
U.S. locations: 1
States / cities: Shreveport, Louisiana

Conditions: Vitamin D Deficiency, Vitamin D Insufficiency, Healthy Volunteers
Interventions: ALPCO 25(OH) Vitamin D CLIA Kit; Device
Lead sponsor: American Laboratory Products Company; Industry
Eligibility: 22 Years and older
Enrollment: 80 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026
U.S. locations: 1
States / cities: Salem, New Hampshire

Conditions: Vitamin D Deficiency
Interventions: Not listed
Lead sponsor: The Cooper Health System; Other
Eligibility: 18 Years and older
Enrollment: 9,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Camden, New Jersey

Conditions: Deficiency of Vitamin D3
Interventions: D3 2000 IU/day, D3 4000 IU/day, D3 50,000 IU weekly, vitamin D3 800 IU/day; Dietary Supplement
Lead sponsor: University of California, San Francisco; Other
Eligibility: 65 Years and older
Enrollment: 86 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: San Francisco, California

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: Hypertension, Vitamin D Deficiency
Interventions: calcitriol, Placebo; Drug
Lead sponsor: University of Utah; Other
Eligibility: 55 Years and older
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2008
U.S. locations: 1
States / cities: Salt Lake City, Utah

Conditions: Cardiovascular Disease, Vitamin D Deficiency
Interventions: Vitamin D3, Placebo; Dietary Supplement
Lead sponsor: Intermountain Health Care, Inc.; Other
Eligibility: 18 Years and older
Enrollment: 150 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2020
U.S. locations: 1
States / cities: Murray, Utah

Conditions: Vitamin D Deficiency
Interventions: 7 continuous days of aerobic training; Other
Lead sponsor: David Travis Thomas; Other
Eligibility: 65 Years to 75 Years
Enrollment: 7 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2015
U.S. locations: 1
States / cities: Lexington, Kentucky