Anti-EGFR Strategy for Colorectal Cancer: Searching for the Real Target
The epidermal growth factor receptor (EGFR) provides survival signals and is overexpressed in the majority of colorectal cancer. Cetuximab is a recombinant human/mouse monoclonal antibody(MoAb) against EGFR, clinically active in the treatment of human colorectal cancer. Unlike the predictable correlation of response to trastuzumab, another MoAb clinically active in a subgroup of breast cancer patients expressing HER-2/neu, responses to cetuximab in EGFR-expressing colorectal cancer is not predictable. The search for a reliable marker that would allow clinicians to select patients for cetuximab therapy remains a major challenge.
Keywords: Cetuximab, Colorectal cancer, Anti-EGFR therapy
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