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Long-term outcomes of laparoscopy-assisted distal gastrectomy with suprapancreatic nodal dissection for clinical stage I gastric cancer: a multicenter phase II trial (JCOG0703)

Gastric Cancer, 2018, Vol.21(1), pp.155-161 [Peer Reviewed Journal]

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  • Title:
    Long-term outcomes of laparoscopy-assisted distal gastrectomy with suprapancreatic nodal dissection for clinical stage I gastric cancer: a multicenter phase II trial (JCOG0703)
  • Author: Hiki, Naoki ; Katai, Hitoshi ; Mizusawa, Junki ; Nakamura, Kenichi ; Nakamori, Mikihito ; Yoshikawa, Takaki ; Kojima, Kazuyuki ; Imamoto, Haruhiko ; Ninomiya, Motoki ; Kitano, Seigo ; Terashima, Masanori
  • Found In: Gastric Cancer, 2018, Vol.21(1), pp.155-161 [Peer Reviewed Journal]
  • Subjects: Gastric cancer ; Long-term survival ; Prospective study ; Laparoscopic distal gastrectomy
  • Language: English
  • Description: To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link: Byline: Naoki Hiki (1), Hitoshi Katai (2), Junki Mizusawa (3), Kenichi Nakamura (3), Mikihito Nakamori (4), Takaki Yoshikawa (5), Kazuyuki Kojima (6), Haruhiko Imamoto (7), Motoki Ninomiya (8), Seigo Kitano (9), Masanori Terashima (10) Keywords: Gastric cancer; Long-term survival; Prospective study; Laparoscopic distal gastrectomy Abstract: Background Laparoscopic gastrectomy has become a common surgical treatment for gastric cancer in eastern Asian countries. However, a large-scale prospective study to investigate the benefit of laparoscopy-assisted distal gastrectomy (LADG) regarding long-term outcomes has never been reported. We have already reported the short-term outcomes of this study. Here we report long-term outcomes as the secondary endpoints of this study after a 5-year follow-up period. Methods This study comprised patients with clinical stage I gastric cancer who were able to undergo a distal gastrectomy. LADG with D1 plus suprapancreatic lymph node dissection was performed by credentialed gastric surgeons who had each conducted at least 30 LADG and 30 open gastrectomy procedures. The primary endpoint was the proportion of patients who developed either anastomotic leakage or pancreatic fistula. The secondary endpoints included overall survival and relapse-free survival. Results From November 2007 to September 2008, 176 eligible patients were enrolled, comprising 140 patients with pathological stage IA disease, 23 patients with pathological stage IB disease, 9 patients with pathological stage II disease, and 4 patients with pathological stage IIIA disease. No patients had recurrent disease, and three of the patients died within the follow-up period. The 5-year overall survival was 98.2% (95% confidence interval 94.4--99.4%) and the 5-year relapse-free survival was 98.2% (95% confidence interval 94.4--99.4%). Conclusions The long-term outcomes of stage I gastric cancer patients undergoing LADG seem comparable to those of patients undergoing an open procedure, although this result should be confirmed by a randomized control trial. We have already completed accrual of 921 patients for a multicenter randomized phase III trial (JCOG0912) to confirm the noninferiority of LADG compared with open gastrectomy in terms of relapse-free survival. Author Affiliation: (1) Department of Director, Gastroenterological Surgery, Gastroenterology Center, Cancer Institute Hospital, Japanese Foundation for Cancer Research, 3-8-31 Ariake, Koto-ku, Tokyo, 135-8550, Japan (2) Gastric Surgery Division, National Cancer Center Hospital, Tokyo, Japan (3) Japan Clinical Oncology Group Data Center/Operations Office, National Cancer Center, Tokyo, Japan (4) Second Department of Surgery, School of Medicine, Wakayama Medical University, Wakayama, Japan (5) Department of Gastrointestinal Surgery, Kanagawa Cancer Center, Yokohama, Japan (6) Division of Gastric Surgery, Tokyo Medical and Dental University, Tokyo, Japan (7) Faculty of Medicine, Kindai University, Higashiosaka, Japan (8) Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan (9) Oita University, Oita, Japan (10) Division of Gastric Surgery, Shizuoka Cancer Center, Shizuoka, Japan Article History: Registration Date: 31/12/2016 Received Date: 23/08/2016 Accepted Date: 30/12/2016 Online Date: 16/01/2017
  • Identifier: ISSN: 1436-3291 ; E-ISSN: 1436-3305 ; DOI: 10.1007/s10120-016-0687-0

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