colorectal adenomas, colorectal cancer
Conditions
Interventions
Additional forward view examination in the right colon with narrow-band imaging
(Control group)
Standard withdrawal colonoscopy group
Standard forward view examination in the whole colon with white-light imaging
(Test group)
Second forward view with narrow-band imaging group
Second forward view examination of the right colon with narrow-band imaging after the first right-colon examination with white-light imaging
Sponsors
Imai Kenichiro
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Asymptomatic patients undergoing colonoscopy for colorectal cancer screening or polyp surveilance
Exclusion criteria
Exclusion criteria: (1)Prior colonic resection (2)Inflammatory bowel disease, polyposis syndrome (3)Irreversible coagulopathy and thrombocytopenia (4)Pregnant woman (5)Infeasibility of suspending antithrombotic drugs
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Adenoma detection rate in the right colon | — |
Secondary
| Measure | Time frame |
|---|---|
| Adenoma detection rate of the whole colon Additional adenoma detection rate at the second observation Total number of adenomas detected in each group Adverse events Predictors for adenoma detection rate in the right colon Recommended surveillance interval according to guidelines Performance evaluation of colonoscopy in narrow-band imaging observation Serrated polyp detection rate in the right colon Polyp (adenoma or serrated polyp) detection rate in the right colon Total number of adenomas and serrated polyps detected in each group | — |
Contacts
Public ContactHidenori Kimura
Shiga University of Medical Science Hospital
Outcome results
None listed