Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
VA Office of Research and Development
Age
50–75
Sex
ALL
Healthy volunteers
Accepted
You may be eligible if
Veteran
Able to provide informed consent
You may not be if
Symptoms of lower gastrointestinal tract disease warranting colonoscopic evaluation, including:
* More than one episode of rectal bleeding within the past 6 months
* Documented iron deficiency anemia
* Significant documented unintentional weight loss (\>10% of baseline weight) over 6 months
Family history of CRC in a first degree relative at any age
Prior history of colonic disease including:
* Inflammatory bowel disease (e.g. ulcerative colitis or Crohn's disease)
* One or more colorectal neoplastic polyps (i.e. adenomas)
* Colorectal cancer
Prior history of colonic resection
Prior colonic examination, including:
* Colonoscopy within the past 9.5 years
* Sigmoidoscopy within the past 5 years
* Barium enema within the past 5 years
* CT colonography within the past 5 years
Guaiac-based fecal occult blood test (gFOBT) or Fecal immunochemical test (FIT) in the past 10 months
Stool DNA test within the past 3 years
Pregnancy
Prisoner
Significant comorbidity that would preclude benefit from screening or pose significant risk for the performance of colonoscopy (e.g. severe lung disease, end-stage renal disease, end-stage liver disease, severe heart failure, recent diagnosis of cancer (with the exception of non-melanoma skin cancer))
Likely inability to track the individual over time (e.g. no permanent address at the time of screening for study entry)