Superficial esophageal neoplasm which needs semicircumferential (more than three fourths of the circumference of the esophageal lumen) or circumferential ESD
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. The depth of neoplasm is predicted to be intramucosal or submucosal invasion less than 200 um. 2. The mucosal defect due to ESD is predicted to be three fourths of the circumference. 3. The function of key organs is within normal limits. 4. Those who submit written informed consent.
Exclusion criteria
Exclusion criteria: 1. The case where micro perforation occurs during ESD. 2. The case where the proximal side of the stent may reach pharynx. 3. Those who are suffering from severe diabetes mellitus. 4. Those who received radiation to their esophagus. 5. Those who have psychiatric disease and predicted to have difficulty in participating in this study. In addition, those who are judged to be inappropriate by doctors.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The safety (the incidence of severe complications) The efficacy (the number of required endoscopic balloon dilatation within three months after stent removal) | — |
Countries
Japan