Radiation therapy causes many side effects especially oral mucositis. The purpose of this Study is to evaluate the efficacy and safety of rhEGF on oral mucositis in patients receiving the radiation therapy or the concurrent chemo-radiotherapy. Head and neck cancer patients who have a plan to receive a minimum of 50 Gy radiation therapy will be enrolled.
The purpose of this Study is to evaluate the efficacy and safety of rhEGF on oral mucositis in patients receiving the radiation therapy or the concurrent chemo-radiotherapy