Hemophilia A, Hemophilia B, Vitamin D Deficiency
Conditions
Keywords
Hemophilia, Vitamin D
Brief summary
Study will look at baseline Vitamin D levels, calcium, albumin, liver enzymes, testosterone, osteocalcin, urine N telopeptides, bone mineral density, nutritional assessment and physical activity assessment of boys with hemophilia A or B (ages 2-20 yrs). Patients with low vitamin D levels will receive therapeutic doses of Vitamin D. At end of one year follow up studies will be repeated.
Interventions
Doses will be based on Vitamin D levels
Sponsors
Study design
Eligibility
Inclusion criteria
* clinical diagnosis of Hemophilia A or B * ages 2-21 years
Exclusion criteria
* therapeutic vitamin D or calcium supplementation within 3 months of study entry
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Correlate between Vitamin D deficiency, low bone mass and lack of weight bearing physical activity | 1year |
Secondary
| Measure | Time frame |
|---|---|
| Determine bone mass (density) in hemophilia patients | 1 yr |
| establish dose and duration of treatment with vitamin D | 1 yr |
Countries
United States