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NCT00681590 · ClinicalTrials.gov registry record · Phase 3
Safety of Vitamin D Supplementation in Older Persons
A Phase 3 study of Vitamin D Deficiency, sponsored by University of Miami.
- Completed
- Registry status
- Phase 3
- Development phase
- 105
- Enrollment target
- 1
- Study location
NCT00681590: Completed Phase 3 study of Vitamin D Deficiency, sponsored by University of Miami.
NCT00681590 is a Phase 3 study of Vitamin D Deficiency that has completed, run by University of Miami. The registered enrollment target is 105 participants, below the 273-participant average among 48 other Vitamin D Deficiency trials with a reported enrollment target (62% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00681590, a Phase 3 study of Vitamin D Deficiency, has completed, sponsored by University of Miami.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 105 participants
- Enrollment target
- 1
- Study location
Study Summary
This study will evaluate the safety over 6 months of two different doses of vitamin D (cholecalciferol) in men and women age 65 and older. It will also evaluate if supplementation with vitamin D improves physical performance.
Primary Outcome
calcium serum levels measured at baseline and at the end of the intervention (6-months)
Conditions Studied
Interventions
- DIETARY_SUPPLEMENT cholecalciferol (vitamin D)
Study Locations (1)
Florida
- University of Miami - Miami
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 105 participants |
| Start Date | 2008-04 |
| Est. Completion | 2009-04 |
| Phase | Phase 3 |
What the finished NCT00681590 record still lists
NCT00681590 is an interventional study that assigns participants to a tested intervention. The registered 105 participants enrollment target is mid-sized for trials with a published cap, below the 273-participant average among 48 other Vitamin D Deficiency trials with a reported enrollment target (62% lower).
The record links to 1 condition, with Vitamin D Deficiency appearing as the primary indexed condition, and to 1 intervention - of which cholecalciferol (vitamin D) is the first listed.
NCT00681590 reports a single indexed study location in Florida.
Frequently Asked Questions
What is clinical trial NCT00681590 about?
NCT00681590 is a clinical study titled "Safety of Vitamin D Supplementation in Older Persons". This study will evaluate the safety over 6 months of two different doses of vitamin D (cholecalciferol) in men and women age 65 and older. It will also evaluate if supplementation with vitamin D improves physical performance.
What is the current status of trial NCT00681590?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 105 participants. The study started on 2008-04. Estimated completion is 2009-04.
What conditions does trial NCT00681590 study?
This clinical trial studies the following conditions: Vitamin D Deficiency.
What interventions are being tested in trial NCT00681590?
The interventions under investigation include: cholecalciferol (vitamin D) (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT00681590?
This trial is sponsored by University of Miami, which has 721 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00681590 being conducted?
This trial has 1 study location across Florida. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
Similar trials for Vitamin D Deficiency
Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.
Where NCT00681590's enrollment target sits among peer trials
105 15th of 48 higher than 34 of 48 other Vitamin D Deficiency trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Vitamin D Deficiency trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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