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NCT01306656 · ClinicalTrials.gov registry record · Phase 4
Vitamin D Repletion in Primary Hyperparathyroidism
A Phase 4 study, sponsored by Columbia University.
- Completed
- Registry status
- Phase 4
- Development phase
- 9
- Enrollment target
NCT01306656: Completed Phase 4 study, sponsored by Columbia University.
NCT01306656 is a Phase 4 study that has completed, run by Columbia University. The registered enrollment target is 9 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01306656, a Phase 4 study, has completed, sponsored by Columbia University.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 9 participants
- Enrollment target
Study Summary
This study will look at the effect of 2 treatment regimens that contain vitamin D in a six-month treatment trial of patients with PHPT who are vitamin D deficient. Patients will be assigned randomly to one of 2 regimens, and will be followed with tests of their blood, urine and bones. This study should provide important information on the effect of vitamin D therapy in patients with PHPT. In addition, data from this study will guide physicians as to how best to treat their patients who have PHPT and vitamin D deficiency.
Primary Outcome
This is designed to measure how many participants will achieve PTH \> 65 pg/mL.
Interventions
- OTHER Placebo
- DIETARY_SUPPLEMENT Vitamin D
- DRUG 10,000 IU Vitamin D3
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 9 participants |
| Start Date | 2011-10 |
| Est. Completion | 2017-02 |
| Phase | Phase 4 |
What the finished NCT01306656 record still lists
NCT01306656 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 9 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (98% lower).
The record links to 0 conditions, and to 3 interventions - of which Placebo is the first listed.
NCT01306656 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01306656 about?
NCT01306656 is a clinical study titled "Vitamin D Repletion in Primary Hyperparathyroidism". This study will look at the effect of 2 treatment regimens that contain vitamin D in a six-month treatment trial of patients with PHPT who are vitamin D deficient. Patients will be assigned randomly to one of 2 regimens, and will be followed with tests of their blood, urine and bones. This study sho...
What is the current status of trial NCT01306656?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 9 participants. The study started on 2011-10. Estimated completion is 2017-02.
What interventions are being tested in trial NCT01306656?
The interventions under investigation include: Placebo (OTHER), Vitamin D (DIETARY_SUPPLEMENT), 10,000 IU Vitamin D3 (DRUG).
Who is sponsoring clinical trial NCT01306656?
This trial is sponsored by Columbia University, which has 958 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01306656's enrollment target sits among peer trials
9 1968th of 2000 higher than 29 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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