Chemoradiation is the current standard of care for patients with locally advanced HNSCC, and to date, there is no evidence that compares cetuximab plus radiotherapy with chemoradiation, or that examines whether the addition of cetuximab to chemoradiation is of benefit in these patients. However, five ongoing trials are investigating the effect of the addition of EGFR inhibitors concurrently with, before, or after chemoradiotherapy; those trials should provide direction about the best integration of cetuximab into standard treatment. In patients with recurrent or metastatic HNSCC who experience progressive disease despite, or who are unsuitable for, first-line platinum-based chemotherapy, gefitinib at doses of 250 mg or 500 mg daily, compared with weekly methotrexate, did not increase median overall survival [hazard ratio (hr): 1.22; 96% confidence interval (ci): 0.95 to 1.57; p = 0.12 (for 250 mg daily vs. weekly methotrexate); hr: 1.12; 95% ci: 0.87 to 1.43; p = 0.39 (for 500 mg daily vs. weekly methotrexate)] or objective response rate (2.7% for 250 mg and 7.6% for 500 mg daily vs. 3.9% for weekly methotrexate, p > 0.05). As compared with methotrexate, gefitinib was associated with an increased incidence of tumour hemorrhage (8.9% for 250 mg and 11.4% for 500 mg daily vs. 1.9% for weekly methotrexate).

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