Open-label Study of BBO-8520 in Adult Subjects With KRASG12C Non-small Cell Lung Cancer

Inclusion Criteria: * Histologically documented locally advanced and unresectable or metastatic non-small cell lung cancer with a KRAS G12C mutation * Measurable disease by RECIST v1.1 * Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0-1 Exclusion Criteria: * Patients with malignancy within the last 2 years as specified in the protocol * Patients with untreated or unstable brain metastases * Patients with known hypersensitivity to BBO-8520 or its excipients * For Cohorts 1b and 2b: * Patients with a known hypersensitivity to pembrolizumab or its excipients * Patients with active autoimmune disease of history of autoimmune disease that might recur * Patients with a history of interstitial lung disease/pneumonitis that required steroids, or current interstitial lung disease/pneumonitis Other inclusion/exclusion criteria may apply