Updated results of the GEST study: Randomized phase III study of gemcitabine plus S-1 (GS) versus S-1 versus gemcitabine (GEM) in unresectable advanced pancreatic cancer in Japan and Taiwan.

4035 Background: The GEST study (Ioka et al. ASCO 2011, Abstract 4007) demonstrated the non-inferiority of S-1 to GEM with respect to the primary endpoint of overall survival (OS) in patients with ...