Complex sentence: Ramucirumab (IMC-1121B) is a fully human monoclonal antibody (IgG1) directed against the vascular endothelial growth factor receptor 2 (VEGFR2).
Split into simpler sentences: Ramucirumab (IMC-1121B) is a fully human monoclonal antibody. Ramucirumab is a fully-human monoclonal antibody (IgG1) directed against the Vascular Endothelial Growth Factor Receptor 2 (VEGFR2).