In Japan, S-1 plus cisplatin (SP) regimen has become a standard therapy for patients with advanced gastric cancer. Moreover, the S-1 plus oxaliplatin regimen is now a standard treatment. | Study protocol of HGCSG1404 SNOW study a phase I II trial of combined chemotherapy of S-1 nab-paclitaxel and oxaliplatin administered biweekly to patients with advanced gastric cancer