from combining radiation with a molecular targeted agent namely cetuximab, a recombinant mouse/human chimeric monoclonal antibody against the Epidermal Growth Factor (EGF) receptor 4] Astsaturov, Cohen and Harari present a more indepth review of the biology of the EGF Receptor and its signaling pathway in Chap. 7 as a potential target in combination with fractionated radiotherap y for head and neck squamous cell carcinoma (HNSCC). A flurry of agents are under de velopment for targeting EGFR and in March 2006, the US Food and Drugs Administration approved cetuximab combined with radiation as...