Study Points to Strategy for Overcoming Resistance to Targeted Cancer Drug

Scientists at Dana-Farber Cancer Institute and colleagues overseas have discovered a pair of backup circuits in cancer cells that enable the cells to dodge the effect of a widely used cancer drug. Jamming those circuits with targeted therapies may heighten or restore the drug’s potency, according to a study published in the Sept. 7 issue of Science Translational Medicine.

The research focused on the drug cetuximab, an antibody that interferes with cancer cell growth by blocking a structure known as the epidermal growth factor receptor (EGFR). Cetuximab is effective in many patients with colorectal cancer or squamous cell cancer of the head and neck, but the benefits rarely last longer than a year, and some patients receive no benefit from the drug.

Read More at Dana-Farber.

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