Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 29, 2026, 10:41 PM EDT

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Showing 25–27 of 3 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
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
Completed Early Phase 1 Interventional Accepts healthy volunteers

25-Hydroxyvitamin D Pharmacokinetic Study

NCT03401541
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