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NCT03151174 · ClinicalTrials.gov registry record · Early Phase 1
Effects of Vitamin D Supplementation on Strength, Bone Density, and Injury Risk in Collegiate Athletes
A Early Phase 1 study, sponsored by Virginia Polytechnic Institute and State University.
- Completed
- Registry status
- Early Phase 1
- Development phase
- 68
- Enrollment target
NCT03151174: Completed Early Phase 1 study, sponsored by Virginia Polytechnic Institute and State University.
NCT03151174 is a Early Phase 1 study that has completed, run by Virginia Polytechnic Institute and State University. The registered enrollment target is 68 participants, above the 53-participant average among 2,764 other Early Phase 1 trials with a reported enrollment target (28% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03151174, a Early Phase 1 study, has completed, sponsored by Virginia Polytechnic Institute and State University.
- COMPLETED
- Registry status
- Early Phase 1
- Development phase
- 68 participants
- Enrollment target
Study Summary
The goal of this study is to determine whether Vitamin D supplementation improves strength and bone density, and reduces the risk of injury in collegiate athletes.
Primary Outcome
Overall strength assessed via maximal strength testing. The specific tests may include the following, 1) one repetition max bench press (lbs) -, 2) one repetition max squat (lbs), 3) vertical jump test (feet), 4) broad jump test (feet), 5) dead lifts (lbs and repetition), 6) pull ups (repetition), 7) dips (repetition), and 8) shuttle time (test involving repeated sprints to and from marked points or lines - minutes/ seconds).
Interventions
- DRUG Vitamin D 10000 UNT
- DRUG Vitamin D 5000 UNT
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 68 participants |
| Start Date | 2017-04-29 |
| Est. Completion | 2018-06-01 |
| Phase | Early Phase 1 |
What the finished NCT03151174 record still lists
NCT03151174 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 68 participants, a relatively small participant target, above the 53-participant average among 2,764 other Early Phase 1 trials with a reported enrollment target (28% higher).
The record links to 0 conditions, and to 2 interventions - of which Vitamin D 10000 UNT is the first listed.
NCT03151174 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03151174 about?
NCT03151174 is a clinical study titled "Effects of Vitamin D Supplementation on Strength, Bone Density, and Injury Risk in Collegiate Athletes". The goal of this study is to determine whether Vitamin D supplementation improves strength and bone density, and reduces the risk of injury in collegiate athletes.
What is the current status of trial NCT03151174?
This trial is currently completed. It is a Early Phase 1 study. The enrollment target is 68 participants. The study started on 2017-04-29. Estimated completion is 2018-06-01.
What interventions are being tested in trial NCT03151174?
The interventions under investigation include: Vitamin D 10000 UNT (DRUG), Vitamin D 5000 UNT (DRUG).
Who is sponsoring clinical trial NCT03151174?
This trial is sponsored by Virginia Polytechnic Institute and State University, which has 104 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03151174's enrollment target sits among peer trials
68 357th of 2000 higher than 1,640 of 2,000 other Early Phase 1 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Early Phase 1 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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