Anlotinib, Penpulimab and Capecitabine in Recurrent/Metastatic Nasopharyngeal Carcinoma

Patients will receive the combination treatment of anlotinib, penpulimab and capecitabine every three weeks until PD or intolerance to drug toxicity. For each cycle, patients receive anlotinib 10mg, po, qd from day 1 to day 14, penpulimab 200mg, iv in day 1, and capecitabine 650mg/m2, po, bid.