Neoadjuvant PD-1 Blockade (Toripalimab) Monotherapy for Elderly Patients With Locally Advanced Resectable Esophageal Squamous Cell Carcinoma: a Phase II Trial
The investigators will conduct a prospective phase 2 study to evaluate the efficacy and safety of neoadjuvant PD-1 blockade monotherapy with toripalimab in elderly patients with locally advanced resectable esophageal squamous cell carcinoma (ESCC).
• Subjects signed the informed consent and volunteered to participate in the study.
• Esophageal squamous cell carcinoma confirmed by histology or cytology.
• Thoracic esophageal squamous cell carcinoma confirmed by CT or pet-CT, which is classified as T1N1-3M0 or T2-3N0-3M0 (M1 lymph node metastasis confined to the supraclavicular lymph nodes) (AJCC 8th).
• Expect to have R0 resection
• In age \>75.
• ECOG PS: 0\
• Have not received any anti-tumor treatment for esophageal cancer in the past, including radiotherapy, chemotherapy, surgery, etc.
• No contraindications to surgery.
• Has sufficient organ function including (1) Blood routine: NE≥1.5×109/L; PLT≥100×109/L; HGB≥90 g/L (2)Comprehensive Metabolic Panel: bilirubin≤ 1.5×ULN; ALT≤2.5×ULN; AST≤2.5×ULN; sCr≤1.5×ULN or CrCl≥50 mL/min（Cocheroft-Gault) (3) Coagulation function: INR≤1.5.
⁃ Women of childbearing age must undergo a serological pregnancy test within 72 hrs before first administration. Women of childbearing age, or male subjects with childbearing age female partners, must take contraceptive measures from the first dose to five months after last administration.
⁃ Good compliance, willing to comply with follow-up schedules.