Safety Study of GC1118 (Recombinant Human Anti-EGFR Antibody) in Patients With Advanced Solid Cancer

The purpose of this study is to determine the maximum tolerated dose(MTD)/Recommended Phase 2 Dose(RP2D) and to evaluate the safety and tolerability of GC1118 when given by intravenous (IV) infusion to patients with stage IV solid tumors. The study will also evaluate pharmacokinetics, immunogenicity and antitumor effect of GC1118 and explore prognostic biomarkers and pharmacodynamic biomarkers.