colorectal neoplasm
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Lesions for which en bloc resection with snare EMR is difficult to apply and tumor size is 20 to 50 mm (2) Aged above 20 years old (3) Performance status of 0, 1 or 2 (4) To obey the guidelines in patients undergoing antithrombotic treatment proposed by the Japan Gastroenterological Endoscopy Society (5) Written informed consent
Exclusion criteria
Exclusion criteria: (1) Preoperative endoscopic diagnosis of tumor depth is cT1b(SM2) (2) Lesions of local recurrence after endoscopic resection (3) Familial adenomatous polyposis and inflammatory bowel disease (4) Patients with thrombocytopenia and/or bleeding tendency (5) Women during pregnancy (6) Unsuitable patient for clinical trial judged by clinicians
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| delayed bleeding rate (severe) delayed bleeding rate (mild) | — |
Secondary
| Measure | Time frame |
|---|---|
| delayed perforation rate Post-ESD coagulation syndrome rate clip closure time the number and type of clips for closure pathological findings procedure time resection speed en bloc resection rate complete resection rate curative resection rate the number of antithrombotic medicine users | — |
Countries
Japan
Contacts
Asahi General Hospital Department of Gastroenterology