A retrospective observational study of risk factors for postoperative recurrence in early gastric cancer

Not Applicable

• Conditions: early gastric cancer

• Registration Number: JPRN-UMIN000045382
• Lead Sponsor: Wakayama Medical University

Brief Summary

ong-term prognosis of patients with EGC with lymph node metastasis is good, but venous invasion is associated with a higher risk of recurrence. Selective application of postoperative adjuvant chemotherapy for pT1N??+????+??astric cancer may efficiently improve prognosis among patients with EGC.

Detailed Description

Not available

Study Timeline

• Study Start: 2021-09-06
• Study Completion: 2023-03-31
• Last Update Posted: 2 September 2024

Recruitment & Eligibility

• Status: Complete: follow-up complete
• Sex: All
• Target Recruitment: 1001

Inclusion Criteria

Not provided

Exclusion Criteria

1) Possibility of tumor remnant 2) General anesthesia is not possible such as interstitial pneumonia, pulmonary fibrosis, severe respiratory infection 3) Patients with multiple malignant diseases

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Disease-specific survival

Secondary Outcome Measures

Name	Time	Method
(1)Overall postoperative survival (2)Recurrence-free survival (3)Incidence of postoperative complications (4)Histopathological factors (5)Recurrence pattern (6)With or without postoperative chemotherapy