4,952
Participants
Start Date
May 31, 2000
Primary Completion Date
May 31, 2026
Study Completion Date
May 31, 2026
annual screening
Participants with negative baseline FOBT undergo FOBT annually for up to 4 years in the absence of a positive FOBT
fecal occult blood test
Participants undergo a baseline fecal occult blood test (FOBT)
screening colonoscopy
Patients undergo baseline screening colonoscopy
standard follow-up care
Standard care
Memorial Sloan-Kettering Cancer Center, New York
Masonic Cancer Center at University of Minnesota (Data collection only), Minneapolis
Feist-Weiller Cancer Center at Louisiana State University Health Sciences, Shreveport
Kaiser Permanente Washington Health Research Institute (Data collection only), Seattle
National Cancer Institute (NCI)
NIH
Memorial Sloan Kettering Cancer Center
OTHER