About this trial

This is a multi-site comparative effectiveness randomized controlled trial (RCT) comparing annual fecal immunochemical testing (FIT) and colonoscopy for post-polypectomy surveillance among adults aged 65-82 with a history of colorectal polyps who are due for surveillance colonoscopy.

Eligibility criteria

Qualifiers

English or Spanish speaking

Personal history of colorectal polyps

Most recent colonoscopy with ≤2 non-advanced polyps

Currently due or coming due within 12 months for colonoscopy

Disqualifiers

Personal history of colorectal cancer

Personal history of genetic syndrome with high risk for colorectal cancer (e.g. Lynch Syndrome, Familial Adenomatous Polyposis Syndrome (FAP), or Serrated Polyposis Syndrome)

Personal history of inflammatory bowel disease (e.g. ulcerative colitis, Crohn's disease)

Most recent colonoscopy with advanced polyp(s) or ≥3 non-advanced polyps

Trial design

Treatments tested in this trial

  • FIT
  • Colonoscopy

Treatment groups

8,946 Participants
are divided into 2 treatment groups

Locations

22
Canada
University of CalgaryT2N 5A1, CalgaryAlberta, Canada
University of British ColumbiaV6Z 1Y6, VancouverBritish Columbia, Canada
University of ManitobaR3EOW3, WinnipegManitoba, Canada
London Health Sciences Centre Research InstituteN6A 5W9, LondonOntario, Canada

Sponsors and collaborators

Dartmouth-Hitchcock Medical Center

Lead sponsor

Patient-Centered Outcomes Research Institute

Collaborator