colorectal cancer,colorectal polyp
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Fecal immunochemical test positive. 2. Major functions of organs of the subjects are in a good condition. 3.Aged 40 years or older. 4.Signed informed consent forms are obtained by the patients.
Exclusion criteria
Exclusion criteria: 1) Patients with inflammatory bowel disease. 2) Fulfillment of clinical criteria for diagnosis of FAP or HNPCC (Amsterdam criteria). 3) Serious medical conditions that may increase the risk of optical colonoscopy or are so severe that screening would have no benefit. 4) Previous colorectal surgery. 5) Gastric or intestinal stenosis, abdominal adhesions, bowel obstruction or perforation, toxic megacolon. 6) Evidence of an increased risk in carrying out bowel preparation or CTC exams. 7) Possibility of pregnancy. 8) Patients with psychological conditions that contraindicate colonoscopy or make them irrelevant to participate in the trial. 9) Claustrophobia. 10) Severe deafness. 11) Subjects whose eligibility for this clinical trial is not appropriate by other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Patient's voluntary choice for colorectal screening examinations | — |
Secondary
| Measure | Time frame |
|---|---|
| 1.Evaluation of patient acceptance of colorectal screening examinations 2.Evaluation of patient preferences for the future colorectal screening examination | — |
Countries
Japan
Contacts
Hokkaido Gastroenterology Hospital Department of Internal medicine