ecrin-mdr-crcClinical2010Esophageal Cancer, Gastric Cancer, Colorectal Cancer, Pancreatic Cancer, Biliary Tract CancerEsophageal Cancer, Gastric Cancer, Colorectal Cancer, Pancreatic Cancer, Biliary Tract CancerObservationalhttps://newmdr.ecrin.org/Study/2619522Japan10ECRIN MDRCompletedfalseBiomarker Study for Personalized Anti-cancer Therapy in Gastrointestinal CancerPrimary outcome(s): Identification and clinical application of predictors of tumor response and adverse events in GI cancer chemotherapy2010-10-152619522JPRN-UMIN000004069