Immune-related adverse events as prognostic biomarkers in recurrent or metastatic nasopharyngeal carcinoma receiving PD-L1 inhibitor: A post-hoc analysis of the multicenter, single-arm, phase 2 study

The occurrence of irAEs, particularly those involving the endocrine system, is associated with enhanced efficacy of anti-PD-L1 therapy and extended survival in patients with R/M NPC, highlighting their potential as prognostic biomarkers.