To evaluate the progression free survival (PFS), overall survival (OS), Acute adverse reaction of recombinant human endostatin (endostar) combined with chemotherapy to the metastatic nasopharyngeal carcinoma (NPC).
The investigators designed this study to evaluate the efficiency and the acute toxicities of recombinant human endostatin (endostar) combined with chemotherapy in the metastatic nasopharyngeal carcinoma (NPC).