Distal gastric cancer
Conditions
Interventions
Remote robot-assisted distal gastrectomy group:Remote robot-assisted distal gastrectomy
Domestic robot-assisted distal gastrectomy Group:Local robot-assisted distal gastrectomy
Sponsors
First Medical Center of Chinese PLA General Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 75 Years
Inclusion criteria
Inclusion criteria: (1) Age between 18 - 75 years; (2) Pathologically confirmed primary gastric adenocarcinoma (including papillary, tubular, mucinous, signet-ring cell, or poorly differentiated adenocarcinoma) via endoscopic biopsy, with the tumor located in the middle or lower third of the stomach; (3) Preoperative clinical stage (AJCC 8th Edition TNM staging): cT1-4a, N0/+, M0, and scheduled to undergo distal gastrectomy; (4) No evidence of distant metastasis on preoperative imaging, no significant para-aortic lymphadenopathy, and no direct invasion of the pancreas, spleen, or other adjacent organs; (5) Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1; (6) American Society of Anesthesiologists (ASA) physical status classification of I, II, or III; (7) Provision of written informed consent.
Exclusion criteria
Exclusion criteria: (1) Pregnancy or lactation; (2) Severe psychiatric disorders; (3) History of previous upper abdominal surgery (excluding laparoscopic cholecystectomy); (4) Previous gastric resection, endoscopic mucosal resection (EMR), or endoscopic submucosal dissection (ESD); (5) History of other malignancies within the past 5 years; (6) Preoperative imaging suggesting regional lymphadenopathy (long-axis diameter >3 cm), including significant enlargement or fusion of station No. 10 lymph nodes; (7) Prior neoadjuvant chemotherapy or radiotherapy; (8) Unstable myocardial infarction, angina, or cerebrovascular accident within 6 months before surgery; (9) History of continuous systemic corticosteroid use within 1 month; (10) Forced expiratory volume in 1 second (FEV1) <50% of predicted value; (11) Planned concurrent surgical treatment for other diseases; (12) Emergency surgery required due to gastric cancer complications such as bleeding, obstruction, or perforation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of postoperative complications; | — |
Secondary
| Measure | Time frame |
|---|---|
| ;3-year recurrence rate;The number of lymph nodes dissected;Time to first bowel movement;The time of first liquid food intake;Length of postoperative hospital stay;Weight regain;Changes in Albumin;Changes in Cholesterol;Duration of surgery;Changes in Hemoglobin;Change in white blood cell count;Hospitalization expenses; | — |
Countries
China
Contacts
Public ContactXiaohui Du
Chinese People's Liberation Army General Hospital
Outcome results
None listed