A Prospective Randomized Controlled Study of Immune Checkpoint Maintenance Therapy After Radiotherapy and Chemotherapy for Locally Advanced Head and Neck Tumors Based on Peripheral Blood CD8Tex Detection in Peripheral Blood
Conditions
- Locally Advanced Head and Neck Squamous Cell Carcinoma
Interventions
- DRUG: Sintilimab
- DRUG: Placebo
Sponsor
Second Affiliated Hospital, School of Medicine, Zhejiang University