Gastric cancer
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients who were enrolled in the EGC Detection Trial.
Exclusion criteria
Exclusion criteria: 1. Patients who did not complete protocol-defined intensive esophagogastroduodenoscopy (I-EGD) using white light imaging (WLI) and second-generation narrow band imaging (2G-NBI) in the EGC Detection Trial. 2. Patients for whom information on post-I-EGD esophagogastroduodenoscopy is unavailable. 3. Patients who opted out of the use of their clinical information for this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Cumulative incidence of newly detected gastric cancer after I-EGD. The date of I-EGD will be defined as the time origin, and the first diagnosis of newly detected gastric cancer after I-EGD will be defined as the event. | — |
Secondary
| Measure | Time frame |
|---|---|
| Key secondary outcomes include subgroup-specific cumulative incidence of newly detected gastric cancer after I-EGD, clinical and clinicopathological characteristics of patients and lesions with newly detected gastric cancer, treatment modality and curability of endoscopic resection, and retrospective detectability of newly detected gastric cancer on the preceding surveillance EGD images. | — |
Countries
Japan
Contacts
Ishikawa Prefectural Central Hospital Department of Gastroenterology