Overview A Clinical Study of Pyrotinib in Patients With HER2-positive Advanced Colorectal Cancer Status: Recruiting Trial end date: 2022-06-17 Target enrollment: Participant gender: Summary To Observe the Efficacy and Safety of Pyrotinib Maleate in Patients With HER2-positive Advanced Colorectal Cancer Phase: Phase 2 Details Lead Sponsor: Second Affiliated Hospital, School of Medicine, Zhejiang UniversityCollaborators: First Affiliated Hospital of Zhejiang UniversitySir Run Run Shaw HospitalZhejiang Cancer HospitalZhejiang Provincial People's HospitalTreatments: Trastuzumab