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Vitamin D and calcium are essential in the treatment and prevention of osteoporosis. What dosage of vitamin D which is the ideal one, is not yet clear. We want to test the hypothesis that high dosage of vitamin D (i.e. 6500 IU/d) is better than standard dosage (800 IU/d) in a randomized double-blind trial. We will include 400 postmenopausal otherwise healthy women with T-score <= -2.0 in L2-4 or mean total hip. Everybody will receive calcium 1000 mg and vitamin D 800 IU every day. Half of the group will also receive vitamin D 40 000 IU/week, while the other half will have placebo. The study period is one year.
Allocation: Randomized, Control: Dose Comparison, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment
cholecalciferol (Vitamin D3), placebo
Medical Dpt. B, University Hospital of Northern Norway
Active, not recruiting
University Hospital of North Norway
Published on BioPortfolio: 2014-08-26T22:37:47-0400
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