Overview Gemcitabine Combined With Endostar and Envafolimab in Elderly Patients With Locally Advanced Nasopharyngeal Carcinoma Status: Recruiting Trial end date: 2028-06-30 Target enrollment: Participant gender: Summary Gemcitabine Combined With Endostar and Envafolimab in Elderly Patients With Locally Advanced Nasopharyngeal Carcinoma Phase: Phase 2 Details Lead Sponsor: Zhejiang Cancer HospitalTreatments: Endostar protein