Objective Response Rate of Ivonescimab With Chemotherapy in Locally Advanced Resectable Oral and Oropharyngeal Squamous Cell Carcinoma

Summary

To investigate the neoadjuvant chemoimmunotherapy regimen of Ivonescimab combined with chemotherapy (Paclitaxel plus Cisplatin/Carboplatin) for the treatment of locally advanced resectable oral squamous cell carcinoma and oropharyngeal squamous cell carcinoma.

Eligibility

Inclusion Criteria:

1. Histopathologically diagnosed as oral squamous cell carcinoma (OSCC) or oropharyngeal squamous cell carcinoma (OPSCC)
2. Patients staged according to the AJCC criteria (8th edition) as locally advanced (Stage III/IVA oral cancer, HPV-negative oropharyngeal cancer, or Stage II/III HPV-positive oropharyngeal cancer) and assessed by the investigators as resectable.
3. Age 18 to 80 years
4. Complete blood count (CBC): White blood cell (WBC) count ≥3×10⁹/L; Platelet (PLT) count ≥75×10⁹/L; Hemoglobin (Hb) concentration ≥80g/L
5. Liver function: Aspartate transaminase (AST) and Alanine transaminase (ALT) ≤2.5 times the upper limit of normal (ULN)
6. Kidney function: Estimated glomerular filtration rate (eGFR) \> 50 mL/min
7. Patients must have adequate function of vital organs (including cardiac, pulmonary, thyroid, and other organs) and a general condition that allows tolerance of the treatment regimen of this study.
8. Sign the Informed Consent Form (ICF)

Exclusion Criteria:

1. Pregnancy or lactation (for female participants)
2. A history of epilepsy or mental illness that is not effectively controlled
3. Unresolved toxicities of grade \> 2 per CTCAE criteria resulting from prior anticancer therapy
4. Other conditions deemed unsuitable for study participation by the investigators, including patients with autoimmune diseases or those at high risk of bleeding due to various causes

Conditions5

Interventions1

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