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NCT00933244 · ClinicalTrials.gov registry record · Phase 4
Treatment of Vitamin D Insufficiency
A Phase 4 study, sponsored by University of Wisconsin, Madison.
- Completed
- Registry status
- Phase 4
- Development phase
- 230
- Enrollment target
NCT00933244: Completed Phase 4 study, sponsored by University of Wisconsin, Madison.
NCT00933244 is a Phase 4 study that has completed, run by University of Wisconsin, Madison. The registered enrollment target is 230 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (56% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00933244, a Phase 4 study, has completed, sponsored by University of Wisconsin, Madison.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 230 participants
- Enrollment target
Study 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?
Primary Outcome
Percent of calcium absorbed in the intestinal tract within one day
Interventions
- DIETARY_SUPPLEMENT Placebo
- DIETARY_SUPPLEMENT High Dose Vitamin D3
- DIETARY_SUPPLEMENT Low Dose Vitamin D3
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 230 participants |
| Start Date | 2010-04 |
| Est. Completion | 2014-08 |
| Phase | Phase 4 |
What the finished NCT00933244 record still lists
NCT00933244 is an interventional study that assigns participants to a tested intervention. The registered 230 participants enrollment target is mid-sized for trials with a published cap, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (56% lower).
The record links to 0 conditions, and to 3 interventions - of which Placebo is the first listed.
NCT00933244 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00933244 about?
NCT00933244 is a clinical study titled "Treatment of Vitamin D Insufficiency". 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 vitami...
What is the current status of trial NCT00933244?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 230 participants. The study started on 2010-04. Estimated completion is 2014-08.
What interventions are being tested in trial NCT00933244?
The interventions under investigation include: Placebo (DIETARY_SUPPLEMENT), High Dose Vitamin D3 (DIETARY_SUPPLEMENT), Low Dose Vitamin D3 (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT00933244?
This trial is sponsored by University of Wisconsin, Madison, which has 1,039 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00933244's enrollment target sits among peer trials
230 371st of 2000 higher than 1,627 of 2,000 other Phase 4 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 4 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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