SBRT Combined With Nimotuzumab and Tislelizumab for Oligoprogressive Recurrent/Metastatic Nasopharyngeal Carcinoma After Failure of Immunotherapy

Inclusion Criteria

• •1.1. Pathologically confirmed non-keratinizing nasopharyngeal carcinoma; 1.2. Patients with recurrent/metastatic nasopharyngeal carcinoma who have previously received first-line treatment including anti-PD-1 immune checkpoint inhibitor therapy and failed, presenting with oligoprogression (1-5 metastatic lesions); 1.3. Eligible to receive SBRT, Tislelizumab, and Nimotuzumab; 1.4. No history of other malignant tumors; 1.5. Male or female, aged 18-75 years; 1.6. Liver function: Total bilirubin ≤ Upper Limit of Normal (ULN); AST and ALT ≤ 2.5 × ULN; Alkaline phosphatase ≤ 5 × ULN; 1.7. Renal function: Creatinine clearance ≥ 80 mL/min; 1.8. Hematological tests: Absolute neutrophil count (ANC) ≥ 2 × 109/L, platelet count ≥ 100 × 109/L, and hemoglobin ≥ 9 g/dL; 1.9. No severe dysfunction of heart, lung, and other vital organs; 1.10. Performance Status (PS) score ≤ 2.