JCOG9501 — D2 Versus D2 Plus Para-Aortic Nodal Dissection Gastrectomy for Gastric Cancer

Phase 3 · 2008 · Gastric Cancer

Design

Randomized D2 lymphadenectomy vs D2 plus para-aortic nodal dissection for curable gastric cancer.

Population

Curable T2b-T4 gastric adenocarcinoma.

Primary Endpoint

overall survival (OS)

Key Result

Adding para-aortic nodal dissection did not improve survival but increased operative morbidity, defining D2 as the appropriate standard extent.

Guideline Impact

Basis for D2 as the standard lymphadenectomy in gastric cancer surgery