early gastric cancer after Helicobacter pylori-eradication therapy
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1)Histologically diagnosed as differentiated gastric cancer. 2)Clinically stage IA is suspected. 3)The lesion has a tumor diameter of 2 cm or more, and the macroscopic type is 0-IIb or 0-IIc. 4)After H.pylori-eradication therapy. 5)Negative on two or more H. pylori infection tests (serum antibody, urea breath test, fecal antigen, etc.). 6)General status is expected to be tolerant of endoscopic exam and resection. 7)Prognosis is expected to be improved by endoscopic resection of the lesion. 8) The age at the time of consent is 20 years or older.6 9)Patient agree with the participation in the study.
Exclusion criteria
Exclusion criteria: 1) Sufficient endoscopic observation is difficult. 2) Surgery was selected.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visibility of demarcation line during insufflation and deaeration | — |
Secondary
| Measure | Time frame |
|---|---|
| Effect of intragastric air quantity on the color tone of endoscopic images, correct diagnosis rate of endoscopic range diagnosis for gastric cancer after Helicobacter pylori-eradication therapy | — |
Countries
Japan
Contacts
Shimane University Hospital Gastroenterology