Vitamin D Deficiency Clinical Trial
Official title:
Vitamin D, Strength, and Bone Density 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.
Vitamin D is a hormone that is important for bone and muscle health. As such, not having enough vitamin D in your body is associated with increased risk of injury and reduced health and athletic performance. It is often recommended that individuals who have low levels of vitamin D take vitamin D supplements. However, the effects of vitamin D supplementation on health and strength gains in collegiate athletes are not known. The goal of this study is to determine whether vitamin D supplementation increases strength and bone density, while reducing the risk of injury in collegiate athletes. Fasting vitamin D concentrations will be measured and athletes will be supplemented daily with Vitamin D for 8-12 weeks. The amount of supplementation will depend on whether the athlete is categorized as sufficient (>30ng/ml), insufficient (20-35ng/ml), or deficient (<20ng/ml). Vitamin D concentrations, strength, bone density, and injury risk will be assessed before and after the intervention period. ;
| Status | Clinical Trial | Phase | |
|---|---|---|---|
| Active, not recruiting |
NCT04244474 -
Effect of Vitamin D Supplementation on Improvement of Pneumonic Children
|
Phase 1/Phase 2 | |
| Recruiting |
NCT05459298 -
ViDES Trial (Vitamin D Extra Supplementation)
|
N/A | |
| Completed |
NCT04476511 -
The Efficacy and the Safety of Vitamin D3 30,000 IU for Loading Dose Schedules
|
Phase 3 | |
| Suspended |
NCT03652987 -
Endocrine and Menstrual Disturbances in Women With Polycystic Ovary Syndrome (PCOS)
|
||
| Completed |
NCT03920150 -
Vitamin D 24'000 IU for Oral Intermittent Supplementation
|
Phase 3 | |
| Completed |
NCT03264625 -
The Effects of Oral Vitamin D Supplementation on the Prevention of Peritoneal Dialysis-related Peritonitis
|
Phase 2 | |
| Completed |
NCT04183257 -
Effect of Escalating Oral Vitamin D Replacement on HOMA-IR in Vitamin D Deficient Type 2 Diabetics
|
Phase 4 | |
| Recruiting |
NCT05084248 -
Vitamin D Deficiency in Adults Following a Major Burn Injury
|
Phase 4 | |
| Completed |
NCT05506696 -
Vitamin D Supplementation Study
|
N/A | |
| Completed |
NCT00092066 -
A Study to Evaluate the Safety, Tolerability, and Efficacy of an Investigational Drug and Dietary Supplement in Men and Postmenopausal Women With Osteoporosis (0217A-227)
|
Phase 3 | |
| Completed |
NCT03234218 -
Vitamin D Levels in Liver Transplantation Recipients Prospective Observational Study
|
||
| Completed |
NCT02906319 -
Vitamin D and HbA1c Levels in Diabetic Patients With CKD
|
N/A | |
| Completed |
NCT03203382 -
Corneal Nerve Structure in Sjogren's
|
||
| Completed |
NCT02714361 -
A Study to Investigate the Effect of Vitamin D3 Supplementation on Iron Status in Iron Deficient Women
|
N/A | |
| Completed |
NCT02118129 -
Vitamin D Among Young Adults: an Intervention Study Using a Mobile 'App'.
|
N/A | |
| Completed |
NCT02187146 -
The Effects of Serum Vitamin D and IVF Outcome
|
N/A | |
| Not yet recruiting |
NCT01419821 -
Vitamin D and Its Affect on Growth Rates and Bone Mineral Density Until Age 5
|
N/A | |
| Completed |
NCT02275650 -
The Role of Narrowband Ultraviolet B Exposure in the Maintenance of Vitamin D Levels During Winter
|
N/A | |
| Completed |
NCT01651000 -
Safety and Efficacy of CTAP101 to Treat Secondary Hyperparathyroidism in Stage 3 or 4 CKD and Vitamin D Insufficiency
|
Phase 3 | |
| Completed |
NCT01741181 -
Vitamin D Supplementation in Patients With Diabetes Mellitus Type 2
|
Phase 4 |