15
Participants
Start Date
December 31, 2011
Primary Completion Date
July 31, 2014
Study Completion Date
July 31, 2014
Cholecalciferol
Given PO
Genistein
Given PO
Laboratory Biomarker Analysis
Correlative studies
Pharmacological Study
Correlative studies
Placebo
Given PO
University of Rochester, Rochester
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Hospital, Baltimore
Johns Hopkins University/Sidney Kimmel Cancer Center, Baltimore
Carolina Urologic Research Center, Myrtle Beach
University of Alabama at Birmingham Cancer Center, Birmingham
University of Wisconsin Hospital and Clinics, Madison
Minneapolis Veterans Medical Center, Minneapolis
University of Minnesota Medical Center-Fairview, Minneapolis
University of Oklahoma Health Sciences Center, Oklahoma City
Urology San Antonio Research PA, San Antonio
Lahey Hospital and Medical Center, Burlington
National Cancer Institute (NCI)
NIH