100,000
Participants
Start Date
January 31, 1999
Primary Completion Date
December 31, 2036
Study Completion Date
December 31, 2036
A 1 Intervention arm Flex Sig
Screening by flexible sigmoidoscopy
A 2 Intervention arm Flex Sig + iFOBT
In addition to Flexible Sigmoidoscopy, half of arm A (randomised 1:1) is invited to provide stool samples for FOBT
Institute of Population-based Cancer Research, Oslo
Norwegian Cancer Society
OTHER
Norwegian Department of Health and Social Affairs
OTHER_GOV