Neoadjuvant Chemotherapy and Low-dose Radiotherapy Sequential Concurrent Chemoradiotherapy for Locally Advanced Nasopharyngeal Carcinoma

Plain-language summary

Nasopharyngeal carcinoma（NPC）is common malignant tumor in China. The incidence of NPC in most parts of the world and the country is less than 1/10 million, but the incidence rate in China's Guangdong, Guangxi, Fujian and other southern provinces is as high as 33/10 million. Generally, there are more men than women, with a ratio of 2 \~ 3:1. In high incidence area, nasopharyngeal carcinoma has great harm to middle-aged and young people, and incidence rate and mortality rate increase significantly after 30 years old. 50\~60 years old is the highest peak. More than 70% of patients were in advanced stage at the first diagnosis. At present, the main treatment for locally advanced nasopharyngeal carcinoma is platinum based neoadjuvant chemotherapy combined with concurrent chemoradiotherapy. However, recurrence and distant metastasis after standard treatment are the main causes of failure. About 40% of patients with locally advanced nasopharyngeal carcinoma have recurrence and distant metastasis after receiving standard treatment. Therefore, the investigators intend to further explore the improvement of local control and survival rate of locally advanced nasopharyngeal carcinoma.

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