62
Participants
Start Date
December 31, 2011
Primary Completion Date
December 31, 2014
Study Completion Date
December 31, 2014
cholecalciferol
2000 IU cholecalciferol gelcaps by mouth daily
Placebo
matching placebo
University of Wisconsin, Madison
Merck Sharp & Dohme LLC
INDUSTRY
University of Wisconsin, Madison
OTHER