Targeting c-MET in gastrointestinal tumours: rationale, opportunities and challenges

Patients with c-MET-expressing colorectal or gastrointestinal cancers generally have worse outcomes than those of patients whose tumours have low levels of, or absent c-MET expression. However, c-MET targeted agents have, thus far, failed to show clinical efficacy. In this Review, the authors describe the opportunities and challenges created by the clinical implementation of c-MET targeted therapies.