A Study of Toripalimab as Consolidation Therapy After Postoperative Chemoradiotherapy in HNSCC

Toripalimab consolidation therapy after radiotherapy or chemoradiotherapy, 240mg IV, every 3 weeks, until progressive disease (PD), start new anti-cancer therapy, intolerable toxicity, withdraw informed consent or other conditions that require study treatment discontinuation. Toripalimab will be given at a maximum of 12 months.