Overview Study of TAS-102 in Patients With Metastatic Colorectal Cancer Refractory to Standard Chemotherapies Status: Completed Trial end date: 2016-05-23 Target enrollment: Participant gender: Summary The purpose of this study is to compare the efficacy and safety of TAS-102 versus placebo in patients with refractory metastatic colorectal cancer. Phase: Phase 3 Details Lead Sponsor: Taiho Oncology, Inc.Treatments: Trifluridine