Overview Gemcitabine/Cisplatin/S-1(GCS) Combination Therapy for Patients With Advanced Biliary Tract Cancer Status: Completed Trial end date: 2013-08-01 Target enrollment: Participant gender: Summary The objective of this study is to evaluate the safety of GCS therapy for phase I and efficacy of GCS therapy for phase II. Phase: Phase 1/Phase 2 Details Lead Sponsor: Kansai Hepatobiliary Oncology GroupTreatments: CisplatinGemcitabine