Vitamin D3 placebo
Sponsors
National Institute of Allergy and Infectious Diseases (NIAID), University of Nebraska, Brigham and Women's Hospital, University of North Carolina, Chapel Hill, Albert Einstein College of Medicine
Conditions
Age-related Macular DegenerationAnemiaAsthmaBody CompositionBone DensityBone HealthCOPDCancer
Phase 2
Phase 3
Vitamin D and Omega-3 Trial (VITAL)
Active, not recruitingNCT01169259
Start: 2010-07-31End: 2026-05-31Updated: 2025-11-06
Study of Vitamin D and Omega-3 Supplementation for Preventing Diabetes
CompletedNCT01633177
Start: 2011-11-01End: 2024-05-30Updated: 2026-04-03
VITAL Rhythm Study
Active, not recruitingNCT02178410
Start: 2012-10-31End: 2026-10-31Updated: 2025-10-07
Effects of Vitamin D and Fish Oil on the Kidney in Hypertensives
CompletedNCT02757872
Start: 2016-04-30End: 2022-03-31Updated: 2024-05-31
Unknown Phase
Vitamin D Status and Dose Response in Infants
CompletedNCT01042561
Start: 2009-08-07End: 2010-08-01Updated: 2023-09-01
Effects of Vitamin D and Marine Omega-3 Fatty Acids on Anemia
Active, not recruitingNCT01632761
Start: 2012-11-30End: 2025-12-28Target: 2000Updated: 2025-11-21
A Large Randomized Trial of Vitamin D, Omega-3 Fatty Acids and Cognitive Decline
CompletedNCT01669915
Start: 2011-09-14End: 2021-12-31Updated: 2023-04-21
VITamin D and OmegA-3 TriaL (VITAL): Fractures, Vitamin D and Genetic Markers
CompletedNCT01704859
Start: 2018-06-01End: 2022-11-23Updated: 2026-01-30
LungVITamin D and OmegA-3 Trial (lungVITAL)
Active, not recruitingNCT01728571
Start: 2010-07-31End: 2025-02-28Updated: 2025-02-06
VITamin D and OmegA-3 TriaL: Effects on Bone Structure and Architecture (VITAL)
CompletedNCT01747447
Start: 2012-08-01End: 2023-08-02Updated: 2026-02-09
Vitamin D Absorption in HIV Infected Young Adults Being Treated With Tenofovir Containing cART
CompletedNCT01751646
Start: 2012-10-31End: 2016-06-30Updated: 2019-03-27
Effects of Vitamin D and Omega-3 Fatty Acids on Infectious Diseases and hCAP18 (VITAL Infection)
Active, not recruitingNCT01758081
Start: 2010-07-31End: 2026-12-31Updated: 2025-09-25
Age-related Macular Degeneration (AMD) in the Vitamin D and Omega-3 Trial (VITAL)
NCT01782352
Start: 2010-07-31End: 2024-09-30Updated: 2023-08-08
Dry Eye Disease in the Vitamin D and Omega-3 Trial (VITAL)
NCT01880463
Start: 2010-07-31End: 2021-12-31Updated: 2019-07-30
VITamin D and OmegA-3 TriaL: Interrelationship of Vitamin D and Vitamin K on Bone (VITAL)
Active, not recruitingNCT04573946
Start: 2019-07-01End: 2026-12-31Updated: 2026-01-30
An Evaluation of the Effect of Vitamin D Supplementation on Depressive Symptoms Among Chinese Early Adolescents
CompletedNCT06247930
Start: 2024-03-19End: 2025-06-24Updated: 2025-07-02
Effects of Vitamin D3 and Prebiotics Supplementation on Cardiovascular Risk Factors in Patients With Type 2 Diabetes
CompletedNCT06351566
Start: 2024-04-25End: 2025-08-31Updated: 2025-09-16
Effects of Vitamin D and Prebiotic Supplementation on Glucose Control During Pregnancy
RecruitingNCT06553729
Start: 2025-02-24End: 2026-12-31Target: 500Updated: 2025-09-16
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