Phase II Multi-centered Study of Perioperative Ivonescimab Versus Pembrolizumab Combined with Standard of Care (SOC) in Patients with Resectable, Locally Advanced Head and Neck Squamous Cell Carcinoma

Exclusion criteria

• . Patients who have had or are suffering from other malignant tumors in the past (except for those who have been cured and have survived cancer-free for more than 5 years, such as basal cell carcinoma of the skin, carcinoma in situ of the cervix, and papillary thyroid carcinoma).
• . Received any of the following treatments:a. Received any investigational drug within 4 weeks before the first use of the investigational drug; b. Enrolled in another clinical study at the same time, unless it is an observational (non-interventional) clinical study; c. Subjects who need to be given corticosteroids (≥ 10 mg prednisone equivalent per day) or other immunosuppressants for systemic treatment within 2 weeks before the first use of the study drug, except for the use of corticosteroids for local inflammation and prevention of allergies, nausea and vomiting. Other special cases need to be communicated with the investigator. In the absence of active autoimmune diseases, inhaled or topical steroids and adrenal cortical hormone replacement with a dose of ≥ 10 mg/ day prednisone efficacy dose are allowed; d. Those who have received anti-tumor vaccines or have received live vaccines within 4 weeks before the first administration of the study drug (if the new coronavirus vaccine is received, the interval between the vaccination and treatment must be more than 2 weeks) .
• . Uncontrolled cardiac clinical symptoms or diseases, such as: a. NYHA grade II or above heart failure; b. Unstable angina; c. Myocardial infarction within 1 year; d. Patients with clinically significant supraventricular or ventricular arrhythmias requiring clinical intervention.
• . Severe infection ( CTCAE \> 2 ) occurred within 4 weeks before the first use of the study drug , such as severe pneumonia, bacteremia, infectious complications requiring hospitalization, etc.; baseline chest imaging examination indicated active lung inflammation, symptoms and signs of infection within 4 weeks of the first use of the study drug, or the need for oral or intravenous antibiotic treatment.
• . Patients with active autoimmune diseases or a history of autoimmune diseases (such as interstitial pneumonia, colitis, hepatitis, hypophysitis, vasculitis, nephritis, hyperthyroidism, hypothyroidism, including but not limited to these diseases or syndromes); but excluding autoimmune-mediated hypothyroidism treated with stable doses of thyroid replacement hormone; type 1 diabetes using stable doses of insulin; patients with vitiligo or healed childhood asthma / allergy who do not require any intervention as adults.
• . Have a history of immunodeficiency, including positive HIV test, or other acquired or congenital immunodeficiency diseases, or have a history of organ transplantation and allogeneic bone marrow transplantation.
• . A history of interstitial lung disease (excluding radiation pneumonitis without hormone treatment) or non-infectious pneumonia.
• . Patients with active pulmonary tuberculosis infection found through medical history or CT examination, or patients with a history of active pulmonary tuberculosis infection within 1 year before enrollment, or patients with a history of active pulmonary tuberculosis infection more than 1 year ago but without formal treatment.