Neoadjuvant Chemotherapy for Pancreatic Cancer Followed by GS and GnP

drip infusion of gemcitabine plus oral administration of S-1 S-1 received S-1 orally twice daily at a dose calculated according to body-surface area (BSA) (\< 1.25 m2, 60 mg/d; ≥ 1.25 to \< 1.5 m2, 80 mg/d; ≥ 1.5 m2, 100 mg/d) on days 1 through 14 of a 21-day cycle gemcitabine received gemcitabine intravenously at a dose of 800 mg/m2 over 30 minutes on days 1 and 8of a 21-day cycle.

drip infusion of both gemcitabine and nab-paclitacel gemcitabine received gemcitabine intravenously at a dose of 800 mg/m2 over 30 minutes on days 1, 8, and 15 of a 28-day cycle. nab-paclitaxel received nab-paclitaxel intravenously at a dose of 100 mg/m2 over 30 minutes on days 1, 8, and 15 of a 28-day cycle.