2,813
Participants
Start Date
July 31, 2004
Primary Completion Date
October 31, 2013
Study Completion Date
June 30, 2016
Calcium Carbonate
3 gm/daily; 1200 mg elemental calcium/daily; two tablets per day; 600 mg elemental calcium/tablet
Vitamin D3
1000 IU/daily; two tablets per day; 500 IU per tablet
placebo
placebo; two tablets per day
University of North Carolina, Chapel Hill
University of South Carolina, Columbia
Emory University, Atlanta
Cleveland Clinic Foundation, Cleveland
University of Iowa, Iowa City
University of Minnesota, Minneapolis
University of Texas, Houston
University of Colorado, Denver
University of Southern California, Los Angeles
Dartmouth Hitchcock Medical Center, Lebanon
University of Puerto Rico, San Juan
National Cancer Institute (NCI)
NIH
Dartmouth-Hitchcock Medical Center
OTHER