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Laparoscopy-assisted Pylorus-vagus Nerve Preserving Gastrectomy in the Treatment of Early Gastric Cancer — LAPPG  

Early Gastric Cancer Clinical Trial

Official title:
Laparoscopy-assisted Pylorus-vagus Nerve Preserving Gastrectomy in the Treatment of Early Gastric Cancer: Clinical Outcomes of a Randomised Controlled Trial

Clinical Trial Summary

The safety and efficacy of Laparoscopy-assisted Pylorus-preserving Gastrectomy (LAPPG) for the treatment of early gastric cancer (EGC) remain controversial. The investigators conducted a randomized controlled trial to compare LAPPG and laparoscopic distal gastrectomy with D2 lymph node dissections for EGC.

Clinical Trial Description

During the procedure, the distal part of the stomach is resected, but a pyloric cuff 2-3 cm wide is preserved. The right gastric artery and the infrapyloric artery are preserved to maintain the blood supply to the pyloric cuff. In addition, the hepatic and pyloric branches of the vagal nerves are preserved to maintain pyloric function. The celiac branch of the posterior vagal trunk is sometimes preserved. All regional nodes except the suprapyloric nodes (No. 5) should be dissected as in the standard D2 procedure. However, there are technical challenges associated with completing all of these procedures.The five-year survival rate after PPG with modified D2 lymph node dissection ranges from 95% to 98%. This rate is comparable to the five-year survival rate after gastric resection for EGC, which ranges from 90% to 98%. In terms of oncologic safety, PPG seems reasonably safe for EGC when the accuracy of preoperative diagnosis can be assured ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02936193
Study type Interventional
Source RenJi Hospital
Contact Lin Tu, MD
Phone 008618616547270
Email tl19870228@hotmail.com
Status Recruiting
Phase N/A
Start date August 1, 2017
Completion date October 2020
View Details
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