70
Participants
Start Date
December 13, 2011
Primary Completion Date
June 20, 2013
Study Completion Date
February 15, 2015
Experimental: Vitamin D3 100,000 IU
Oral vitamin D3, 100,000 IU \[2.5 mg\] given once a month
Active Comparator: Vitamin D3 12,000 IU
Standard dose oral vitamin D3 12,000 IU \[0.3 mg\] given once a month
Columbia University Irving Medical Center, New York
Gary M Brittenham, MD
OTHER