Study of Combination of Sorafenib With Cisplatin and 5-fluorouracil as First-line Treatment of Recurrence After Radiotherapy Patients Who Failed With Radiotherapy in Recurrent or Metastatic Nasopharyngeal Carcinoma (NPC)

This study is a phase II clinical study. Recurrence after radiotherapy patients who are failure of radiotherapy in recurrent or metastatic nasopharyngeal carcinoma (NPC) were treated by cisplatin and 5-fluorouracil with Sorafenib as first-line treatment. The objective response(complete response (CR) + partial response (PR)), Disease Control Rate , safety profile, tolerability will be evaluated according to World Health Organization (WHO) criteria.