Perioperative Immunotherapy for Resectable Limited-Stage SCLC
Trial Parameters
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Brief Summary
For limited-stage small cell lung cancer (SCLC), surgical treatment is recommended for patients with T1-2N0M0 (I-IIA) by guidelines. However, whether perioperative immunotherapy extends radical surgery to stage IIB-IIIB patients with improved survival remains elusive. This is a phase II, single-arm study to evaluate the efficacy and safety of neoadjuvant Tislelizumab + chemotherapy (Cisplatin/Carboplatin + Etoposide) followed by radical surgery and adjuvant Tislelizumab ± chemotherapy for patients with limited-stage SCLC.
Eligibility Criteria
Inclusion Criteria: 1. Able to provide written informed consent and understand and agree to comply with the study requirements and assessment schedule; 2. Aged 18-75 years at the time of signing the informed consent form; 3. Pathologically (histologically or cytologically) confirmed diagnosis of small cell lung cancer; 4. Limited-stage disease (stage IIB-IIIB according to AJCC 8th edition) assessed by bronchoscopy, PET-CT, endobronchial ultrasound (EBUS), mediastinoscopy, or percutaneous biopsy, deemed resectable with curative intent (R0 resection) by the investigator. TNM staging includes T3-4 (N0 only) or N1-2 (any T) and M0, where T4 is limited to tumors \>7 cm in diameter; Patients with tumors invading the diaphragm, mediastinum, heart, great vessels, trachea, recurrent laryngeal nerve, esophagus, vertebral body, carina or having separate tumor nodules in different ipsilateral lobes are excluded. N2 is limited to single station and non-bulky. 5. No prior radiotherapy, chemotherapy,