64
Participants
Start Date
February 28, 2007
Primary Completion Date
November 30, 2008
Study Completion Date
November 30, 2008
Cholecalciferol (vitamin D3)
50,000 IU once monthly for 12 months
Ergocalciferol (vitamin D2)
oral capsule 50,000 IU once monthly for 12 months
Ergocalciferol (vitamin D2)
oral capsule 1600 IU once daily for 12 months
Cholecalciferol (vitamin D3)
oral capsule 1600 IU once daily for 12 months
Placebo
oral placebo capsule once daily for 12 months
UW Osteoporosis Clinical and Research Program, Madison
University of Wisconsin, Madison
OTHER