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Administration of vitamin D 50,000 units once monthly will:
1. Research questions: We propose a prospective double-blind, randomized, placebo-controlled trial of once-monthly vitamin D oral capsules (50,000 units) in nursing-home residents.
Subjects from several Wisconsin nursing homes were randomized to receive once-monthly vitamin D oral capsules (50,000 units) or placebo. Blood levels of 25-OH D, parathyroid hormone, serum calcium, and a marker of bone turnover will be measured periodically by standard lab assays. Swallowing quality of life was measured by questionnaire. Appropriate statistical tests (paired T tests, 95% confidence intervals will be calculated with the large sample approximation for binomial variables, other).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 1 | Placebo Comparator |
| |
| 2 | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Vitamin D | Drug | once-monthly vitamin D oral capsules (50,000 units) |
|
| Measure | Description | Time Frame |
|---|---|---|
| Plasma 25-hydroxyvitamin D levels | 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| Plasma calcium | one year |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Mary Elliott, PharmD, PhD | University of Wisconsin, Madison | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Wisconsin | Madison | Wisconsin | 53792 | United States |
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| ID | Term |
|---|---|
| D014808 | Vitamin D Deficiency |
| D010024 | Osteoporosis |
| ID | Term |
|---|---|
| D001361 | Avitaminosis |
| D003677 | Deficiency Diseases |
| D044342 | Malnutrition |
| D009748 | Nutrition Disorders |
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| ID | Term |
|---|---|
| D014807 | Vitamin D |
| D004872 | Ergocalciferols |
| D007785 | Lactose |
| ID | Term |
|---|---|
| D012632 | Secosteroids |
| D013256 | Steroids |
| D000072473 | Fused-Ring Compounds |
| D011083 | Polycyclic Compounds |
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| placebo | Drug | once-monthly placebo capsules |
|
|
| D009750 |
| Nutritional and Metabolic Diseases |
| D001851 | Bone Diseases, Metabolic |
| D001847 | Bone Diseases |
| D009140 | Musculoskeletal Diseases |
| D008659 | Metabolic Diseases |
| D002782 |
| Cholestenes |
| D002776 | Cholestanes |
| D013261 | Sterols |
| D008563 | Membrane Lipids |
| D008055 | Lipids |
| D004187 | Disaccharides |
| D009844 | Oligosaccharides |
| D011134 | Polysaccharides |
| D002241 | Carbohydrates |
| D000073893 | Sugars |