Overview Combined Use of Raltitrexed and S-1 as Treatment for Patients With Metastasizing Colorectal Cancer Status: Unknown status Trial end date: 2017-11-01 Target enrollment: Participant gender: Summary The primary endpoint is to evaluate the Median disease progression free survival (mPFS). Phase: Phase 2 Details Lead Sponsor: Fudan UniversityTreatments: Raltitrexed