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NCT01399151 · ClinicalTrials.gov registry record · NA
Assessment of Vitamin D Supplementation and Immune Function
A NA study, sponsored by USDA, Western Human Nutrition Research Center.
- Completed
- Registry status
- NA
- Development phase
- 23
- Enrollment target
NCT01399151: Completed NA study, sponsored by USDA, Western Human Nutrition Research Center.
NCT01399151 is a NA study that has completed, run by USDA, Western Human Nutrition Research Center. The registered enrollment target is 23 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01399151, a NA study, has completed, sponsored by USDA, Western Human Nutrition Research Center.
- COMPLETED
- Registry status
- NA
- Development phase
- 23 participants
- Enrollment target
Study Summary
Hypothesis: Volunteers with vitamin D insufficiency (serum 25(OH)D 25-50 nmol/L) given intermediate or high dose vitamin D supplements (2,000 or 5,000 IU per day) will have increased production of anti-bacterial peptides and interleukin-1, decreased production of other pro-inflammatory cytokines, increased production of regulatory cytokines and an enhanced T- and B-cell response to a tetanus vaccine compared to vitamin D insufficient subjects given low dose vitamin D supplements (400 IU per day).
Interventions
- DIETARY_SUPPLEMENT Vitamin D - Treatment 1
- DIETARY_SUPPLEMENT Vitamin D - Treatment 2
- DIETARY_SUPPLEMENT Vitamin D - Treatment 3
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 23 participants |
| Start Date | 2011-01 |
| Est. Completion | 2014-04 |
| Phase | NA |
What the finished NCT01399151 record still lists
NCT01399151 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 23 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).
The record links to 0 conditions, and to 3 interventions - of which Vitamin D - Treatment 1 is the first listed.
NCT01399151 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01399151 about?
NCT01399151 is a clinical study titled "Assessment of Vitamin D Supplementation and Immune Function". Hypothesis: Volunteers with vitamin D insufficiency (serum 25(OH)D 25-50 nmol/L) given intermediate or high dose vitamin D supplements (2,000 or 5,000 IU per day) will have increased production of anti-bacterial peptides and interleukin-1, decreased production of other pro-inflammatory cytokines, i...
What is the current status of trial NCT01399151?
This trial is currently completed. It is a NA study. The enrollment target is 23 participants. The study started on 2011-01. Estimated completion is 2014-04.
What interventions are being tested in trial NCT01399151?
The interventions under investigation include: Vitamin D - Treatment 1 (DIETARY_SUPPLEMENT), Vitamin D - Treatment 2 (DIETARY_SUPPLEMENT), Vitamin D - Treatment 3 (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT01399151?
This trial is sponsored by USDA, Western Human Nutrition Research Center, which has 47 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01399151's enrollment target sits among peer trials
23 1755th of 2000 higher than 245 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA 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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