A Randomized, Double-blinded, Multiregional Phase 3 Study of Ivonescimab Versus Pembrolizumab for the First-line Treatment of Metastatic Non-small Cell Lung Cancer in Patients Whose Tumors Demonstrate High PD-L1 Expression

Inclusion Criteria: * Age ≥ 18 years old at the time of enrollment * Eastern Cooperative Oncology Group (ECOG) performance status score of 0 - 1 * Expected life expectancy ≥ 3 months * Metastatic (Stage IV) NSCLC * Histologically or cytologically confirmed squamous or non-squamous NSCLC * Tumor demonstrates high PD-L1 expression ( TPS\>50%) based on a 22C3 immunohistochemistry ( IHC) clinical assay approved / cleared by local health authorities. * At least one measurable noncerebral lesion according to RECIST 1.1 * No prior systemic treatment for metastatic NSCLC. Exclusion Criteria: * Hist…