Objective: The aim of this study was to evaluate the safety of this trial with respect to morbidity and mortality. Summary Background Data: Laparoscopic-assisted distal gastrectomy (LADG) is rapidly gaining popularity. However, there is limited evidence regarding its oncologic safety. We therefore conducted a phase III multicenter, prospective, randomized study comparing LADG with open gastrectomy (ODG). Methods: Patient eligibility criteria were pathologically-proven adenocarcinoma, 20 to 80 years of age, preoperative stage I, no history of other cancer, chemotherapy, or radiotherapy. The primary end point was to determine whether there is a difference in overall survival between 2 groups. The morbidity and mortality were compared to evaluate the safety of this trial. The time was decided on the hypothesis that the morbidity of this trial was not significantly different from that of previous reports on open gastric cancer surgeries (17%-20%). This study is registered at ClinicalTrials.gov and carries the following ID number: NCT00452751. Results: A total of 342 patients were randomized (LADG, 179 patients; ODG, 161 patients) between January 1, 2006 and July 19, 2007. There were no significant differences between the 2 groups in age, gender, and comorbidities. The postoperative complication rates of the LADG and ODG groups were 10.5% (17/179) and 14.7% (24/163), respectively (P = 0.137). Reoperations were required in 3 cases each group. The postoperative mortality was 1.1% (2/179) and 0% (0/163) in the LADG and ODG groups (P = 0.497), respectively. Conclusion: There was no significance difference in the morbidity and mortality between the 2 groups. Therefore, we conclude that this trial is safe and is thus ongoing.
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