About this trial
The study was designed as single-country, multi-center, open-labelled, randomized (1:1), phase II trial.
238 patients with medically and technically operable advanced gastric adenocarcinoma in middle or distal 1/3 of stomach are enrolled and randomly assigned to laparoscopic gastrectomy group and open gastrectomy group. 4 cycles of mFLOT chemotherapy will be conducted before and after gastrectomy.
The primary objective of this study is comparison of D2 lymph node dissection compliance rate between open surgery group and laparoscopic surgery group after neoadjuvant chemotherapy.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients who voluntarily expressed their consent to participate in this trial by signing a written 'Subject Consent Form.'
Patients whose gastric adenocarcinoma located in the middle or lower part of the stomach is histologically confirmed and deemed possible to perform a radical distal gastrectomy surgery.
Patients who come under T2/N(+)M0, T3~4a/N(- or +) M0 according to the 8th edition of the TNM classification.
Disqualifiers
Methodologies
Patients less than 20 years old or older than 80 years old
Eastern Cooperative Oncology Group(ECOG) ≥ 2
Patients with a surgery experience due to a neoplasm in the stomach.
Trial design
Parallel
Treatments tested in this trial
Laparoscopic versus open distal gastrectomy
Procedure/SurgeryLaparoscopic versus open distal gastrectomy after neoadjuvant chemotherapy for locally advanced gastric cancer
Treatment groups
Trial outcomes
Primary outcomes
Number of harvested lymph nodes in D2 lymph node dissection
number of lymph nodes, pathologically proven after surgery
Secondary outcomes
3 year progression free survival
PFS is defined as time from the point of randomization to objective tumor progression or relapse, or to death according to RECIST 1.1.
3 year relapse free survival
RFS is defined as time from the point of randomization to tumor relapse or death
Comparison of postoperative morbidity and mortality
Defined as the incidence of complications within 30 days after surgery, death rate within 90 days. Classification and severity of the complications shall be based on that of KLASS-02-RCT.
Curative resection rate
Defined as a case where complete removal of all tumors were confirmed through gross or microscopic examination; negative resection margin was obtained; and, D2 lymph node dissection was performed.
Locations
Sponsors and contacts
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