GP Combined with Toripalimab Versus GP Induction Chemotherapy for Advanced Childhood Nasopharyngeal Carcinoma

"1\. Induction Chemotherapy (GP Regimen combined with Toripalimab):~1. GP Regimen Gemcitabine: 1000 mg/m² on Day 1 and Day 8; Cisplatin (DDP): 80 mg/m² on Day 1-3; every 3 weeks for 3 cycles.~2. Toripalimab: For patients weighing ≥ 40 kg: 240 mg on Day 1; For patients weighing less than 40 kg: 3 mg/kg; every 3 weeks for 3 cycles.~2\. Concurrent Chemoradiotherapy (CCRT): Cisplatin (DDP): 100 mg/m², starting on the first day of radiotherapy; every 3 weeks for 3 cycles"

"1. Induction Chemotherapy (GP Regimen ): Gemcitabine: 1000 mg/m² on Day 1 and Day 8; Cisplatin (DDP): 80 mg/m² on Day 1-3; every 3 weeks for 3 cycles.~2. Concurrent Chemoradiotherapy (CCRT): Cisplatin (DDP): 100 mg/m², starting on the first day of radiotherapy; every 3 weeks for 3 cycles"