Early gastric cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who plan to undergo upper gastrointestinal endoscopy and who meet one of following (1)-(5) (1)Patients who have history of the endoscopic resection for early gastric cancer or adenoma (2)Patients whose endoscopy is performed for the present gastric cancer or adenoma (3)Patients who have history of the endoscopic resection for early esophageal cancer (4)Patients whose endoscopy is performed for the present esophageal cancer (5)Patients who have history of chemotherapy or radiotherapy for esophageal cancer
Exclusion criteria
Exclusion criteria: (1)Gastrectomy patients (2)Patients who have reconstructed gastric tube (3)Patients with severe underlying disease (4)Patients taking medicines which cause the trouble in obtaining a biopsy tissue (5)Patients who undergo urgent endoscopy (6)Patients who were enrolled in this trial within eight months (7)Patients whom a researcher judges to be inappropriate as a subject
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Proportion of patients whose early gastric cancer is detected newly by non-magnifying endoscopy | — |
Secondary
| Measure | Time frame |
|---|---|
| (1)Positive predictive value of non-magnifying endoscopy (2)Sensitivity and specificity of non-magnifying endoscopy (3)Examination time (4)Assessment of lesions which are overlooked (5)The number of biopsies which are needed to diagnose gastric cancer (6)Sensitivity and specificity of Near-focus mode (7)Proportion of adverse events | — |
Countries
Japan
Contacts
Ishikawa Prefectural Central Hospital Department of Gastroenterology