At a glance
ClinicalIndex Comparison RecordStandardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
Treatment of Vitamin D Insufficiency
In Brief
A Phase 4 clinical trial evaluating High Dose Vitamin D3, Low Dose Vitamin D3, and 1 other intervention for Vitamin D Deficiency. Completed, enrolled 230 participants across 1 site.
Detailed Summary
The purpose of this study is to answer the following questions: Does vitamin D increase calcium absorption, bone mass and muscle mass and function in women past menopause who have mildly low vitamin D levels? Do these benefits require prescription-strength vitamin D, or is an over the counter vitamin D dose enough?
Study Details
Timeline
Interventions
Yellow gel-cap vitamin D3 at 50,000 International Units daily for 15 days then two times a month for 350 days. Daily white placebo pills.
White gel-cap vitamin D3 at 800 International Units to take orally, daily for 365 days. Intermittent yellow placebo pills.
Yellow gel-cap placebo pills to take orally, daily for 15 days then two times a month for 350 days. White gel-cap placebo pills once daily for 365 days.