76,685
Participants
Start Date
November 16, 1993
Primary Completion Date
May 21, 2012
Study Completion Date
March 25, 2026
Laboratory Biomarker Analysis
Correlative studies
Medical Examination Assessment
Undergo DRE
Screening Questionnaire Administration
Undergo questionnaire assessments
National Institutes of Health Clinical Center, Bethesda
National Cancer Institute (NCI)
NIH