Inclusion Criteria:
- Diagnosis of advanced or metastatic nonsquamous NSCLC that has spread to other parts of the body
- Has a KRAS G12C mutation
**Participants who are at least 18 years of age with treatment-naïve advanced or metastatic NSCLC whose tumors carry KRAS G12C mutation will be enrolled in the study. A test of the KRAS gene for G12C biomarker status will be used on a sample of the patient's tumor to determine if they qualify to participate.
Exclusion Criteria:
- Has active, requiring Immunosuppressive medication or previous clear history of Crohn’s disease, ulcerative
colitis, or chronic diarrhea - Has uncontrolled, significant cardiovascular disease or cerebrovascular disease
- Has received prior treatment for Stage III or IV lung cancer
- Other medical conditions or comorbidities which, in the opinion of the Investigator, would interfere with safety, study compliance or data interpretation.