405
Participants
Start Date
October 31, 2012
Primary Completion Date
May 31, 2017
Study Completion Date
May 17, 2017
Vitamin D3
Given orally
Placebo
Centre de recherche du CHU de Québec, Hôpital du Saint-Sacrement, Québec
Quebec Breast Cancer Foundation
OTHER
CHU de Quebec-Universite Laval
OTHER