RecruitingPhase 3Drug trialNab-TPC vs GP Combined With Camrelizumab in the Treatment of Recurrent/Metastatic Nasopharyngeal CarcinomaWe expect to conduct a clinical trial in recurrent and metastatic nasopharyngeal carcinoma patients to explore and compare the efficacy and safety of induction chemotherapy (TPC vs. GP) with combination therapy of Camrelizumab.