• At least 18 years old and has provided informed consent.
• Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
• Pathologically confirmed NSCLC, either locally advanced or metastatic, not amenable to curative surgery or radiotherapy.
• Measurable disease per RECIST v1.1.
• Adequate organ function (bone marrow, liver, kidney, coagulation).
• One to two prior lines of therapy including an anti-PD-1/anti-PD(L)-1 agent and platinum-based chemotherapy.
• Documented RAS mutation status, defined as Nonsynonymous mutations in KRAS, NRAS, or HRAS at codons 12, 13, or 61 (G12, G13, or Q61).
• Able to take oral medications.

• Prior therapy with direct RAS-targeted therapy or docetaxel.
• Untreated central nervous system (CNS) metastases.
• Medically significant comorbidities (significant cardiovascular disease, lung disease, or impaired GI function).
• Ongoing anticancer therapy.
• Pregnant or breastfeeding.

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