Medical Oncology

, 32:241 | Cite as

A prospective randomized clinical trial comparing D2 dissection in laparoscopic and open gastrectomy for gastric cancer

  • Ming Cui
  • Ziyu Li
  • Jiadi Xing
  • Zhendan Yao
  • Maoxing Liu
  • Lei Chen
  • Chenghai Zhang
  • Hong Yang
  • Nan Zhang
  • Fei Tan
  • Beihai Jiang
  • Jiabo Di
  • Zaozao Wang
  • Jiafu JiEmail author
  • Xiangqian SuEmail author
Original Paper


Laparoscopic surgery is an acceptable alternative to open surgery in colorectal cancer treatment. However, in gastric cancer, there is not much scientific evidence. Here, we proposed a prospective randomized clinical trial to evaluate the radicalness and safety of laparoscopic D2 dissection for gastric cancer. From October 2010 to September 2012, 300 patients with gastric cancer were randomized to undergo either laparoscopy-assisted gastrectomy (LAG) or conventional open gastrectomy (OG) with D2 dissection. Clinicopathological parameters, recovery and complications were compared between these two groups. Thirty cases were excluded because of refusing to be involved in the trial, having peritoneal seeding metastasis or LAG conversed to OG, and finally 270 cases were analyzed (128 in LAG and 142 in OG). No significant differences were observed in gender, age, body mass index, stages and types of radical resection [radical proximal gastrectomy (PG + D2), radical distal gastrectomy (DG + D2) and radical total gastrectomy (TG + D2)] (P > 0.05). The number of harvested lymph nodes (HLNs) was similar (29.3 ± 11.8 in LAG vs. 30.1 ± 11.4 in OG, P = 0.574). And in the same type of radical resection, no significant difference was found in the number of HLNs between the two groups (PG + D2, P = 0.770; DG + D2, P = 0.500; TG + D2, P = 0.993). The morbidity of the LAG group (21.8 %) was also comparable to the OG group (19.0 %, P = 0.560). However, the LAG group had significantly less blood loss and faster recovery, and a longer operation time (P < 0.05). Laparoscopic D2 dissection is feasible, safe and capable of fulfilling oncologic criteria for the treatment of gastric cancer.


Gastric cancer Laparoscopy Gastrectomy D2 dissection Lymph node 



This study was funded by the National Natural Science Foundation of China (Nos. 81272766, 81450028), the National High Technology Research and Development Program of China (863 Program, No. 2014AA020603), Clinical Characteristics and Application Research of Capital (Beijing Municipal Science and Technology Commission, No. Z121107001012130), Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (No. XM201309), Peking University (PKU) 985 Special Funding for Collaborative Research with PKU Hospitals (To Xiangqian Su and Fan Bai), Seeding Grant for Medicine and Life Sciences of Peking University (2014-MB-04), Science Foundation of Peking University Cancer Hospital and Institute (No. 2014-14).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Research involving human participants and/or animals

The studies have been approved by the research ethics committee of Peking University Cancer Hospital and Institute, Beijing, China (Approved No. 2012071710) and have been performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Surgery IVPeking University Cancer Hospital and InstituteBeijingChina
  2. 2.Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal SurgeryPeking University Cancer Hospital and InstituteBeijingChina

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