本研究目的为评估 tiragolumab 联合 atezolizumab 加 pemetrexed 及 carboplatin/cisplatin（A 组）与安慰剂联合 pembrolizumab 加 pemetrexed 及 carboplatin/cisplatin（B 组）比较，用于未曾接受治疗的局部晚期不可切除或转移性非鳞状非小细胞肺癌 (NSCLC) 参与者之疗效、安全性及药物动力学。 符合条件的参与者将被随机
适应症：Non-small Cell Lung Cancer (NSCLC)
入组条件
纳入标准
- Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1
- Histologically or cytologically documented locally advanced unresectable or metastatic non-squamous NSCLC that is not eligible for curative surgery and/or definitive chemoradiotherapy
- No prior systemic treatment for metastatic non-squamous NSCLC
- Known tumor programmed death-ligand 1 (PD-L1) status
- Measurable disease, as defined by Response Evaluation Criteria in Solid Tumors, version 1.1 (RECIST v1.1)
- Life expectancy \>= 12 weeks
- Adequate hematologic and end-organ function
- Negative human immunodeficiency virus (HIV) test at screening
- Serology test negative for active hepatitis B virus or active hepatitis C virus at screening.
排除标准
- Mutations in epidermal growth factor receptor (EGFR) gene or anaplastic lymphoma kinase (ALK) fusion oncogene
- Pulmonary lymphoepithelioma-like carcinoma subtype of NSCLC
- Symptomatic, untreated, or actively progressing central nervous system (CNS) metastases
- Active or history of autoimmune disease or immune deficiency
- History of idiopathic pulmonary fibrosis, organizing pneumonia, drug-induced pneumonitis, or idiopathic pneumonitis, or evidence of active pneumonitis
- History of malignancy other than NSCLC within 5 years prior to randomization, with the exception of malignancies with a negligible risk of metastasis or death
- Severe infection within 4 weeks prior to initiation of study treatment or any active infection that, in the opinion of the investigator, could impact patient safety
- Treatment with investigational therapy within 28 days prior to initiation of study treatment
- Prior treatment with CD137 agonists or immune checkpoint blockade therapies, including anti-cytotoxic T lymphocyte-associated protein 4, anti-TIGIT, anti-PD-1, and anti-PD-L1 therapeutic antibodies
- Treatment with systemic immunostimulatory agents within 4 weeks or 5 drug-elimination half-lives (whichever is longer) prior to initiation of study treatment
- Treatment with systemic immunosuppressive medication within 2 weeks prior to initiation of study treatment, or anticipation of need for systemic immunosuppressive medication during study treatment
- Known allergy or hypersensitivity or other contraindication to any component of the chemotherapy regimen the participant may receive during the study
- Women who are pregnant, or breastfeeding
- Known targetable c-ROS oncogene 1 (ROS1) or BRAFV600E genomic aberration.
入组条件维持 ClinicalTrials.gov 原始英文登记资料，实际入组资格以研究团队的正式评估与受试者知情同意书为准。资料来源：ClinicalTrials.gov，每两周自动更新，最后同步：2026年10月8日。