Cetuximab is a recombinant, human/mouse chimeric monoclonal antibody that binds to the extracellular domain of the human epidermal growth factor receptor on both normal and tumor cells.

• 西妥昔单抗是一种重组人源性/鼠源性嵌合性单克隆抗体，能结合正常细胞和肿瘤细胞上的人表皮生长因子受体的胞外域。