Clinical Research Directory

Inclusion Criteria: 1. Age: 18 to 75 2. Gender: Male and female 3. ECOG Score: 0-2 4. Histologically confirmed primary oral squamous cell carcinoma (including tongue, gingival, buccal, oral base, hard palate, posterior molar area) 5. Clinical stage III/IVA (cT1-2/N1-2/M0 or cT3-4a/N0-2 /M0, AJCC 8th) 6. The combined positive score (CPS score) of PD-L1 expression \> 10 7. Has signed informed consent Exclusion Criteria: 1. Toxicity of ≥ grade 2 (CTCAE 5.0) that has not subsided due to previous anticancer therapy 2. Obvious cardiovascular abnormalities (such as myocardial infarction, superior vena cava syndrome, ≥ grade 2 heart disease diagnosed according to the NYHA classification criteria within 3 months prior to enrollment) 3. Active severe clinical infection (\> NCI-CTCAE Version 5.0 level 2 infection) 4. Uncontrollable hypertension (systolic blood pressure \> after antihypertensive medication; 150mmHg and/or diastolic blood pressure \> 90mmHg) or clinically significant (such as activity) cardiovascular disease, such as cerebrovascular accident (≤ 6 months before screening), myocardial infarction (≤ 6 months before screening), unstable angina, congestive heart failure rated class II or above by NYHA, or severe arrhythmias that cannot be controlled or have a potential impact on trial treatment 5. Blood routine examination: WBC \< 3,000/mm3, hemoglobin \< 8g/L, platelet \< 80,000/mm3 6. Liver function: ALAT/ASAT \> 2.5 times the normal upper limit, bilirubin \> 1.5 times the normal upper limit 7. Renal function: serum creatinine \> 1.5 times the normal upper limit 8. Has a history of maxillofacial and neck radiotherapy 9. Pregnant or lactating women 10. Participation in other clinical studies within 30 days prior to enrollment 11. Other conditions that the investigator considers inappropriate for participation