Recent Advances in the Management of EGFR Mutated Advanced Non-Small Cell Lung Cancer-A Narrative Review

Le résumé fourni par la source

The treatment landscape for EGFR-mutated metastatic non-small cell lung cancer (mNSCLC) has evolved significantly with multiple combination regimens demonstrating superiority over single agent Osimertinib over the past two years. Recent trials such as FLAURA2 and MARIPOSA have explored intensified frontline regimens with FLAURA2 demonstrating improvement in PFS with addition of chemotherapy to Osimertinib and MARIPOSA showing both a PFS and OS benefit with a novel combination regimen of Amivantamab and Lazertinib. However, these regimens are associated with significantly higher toxicity to patients and pose a huge financial and logistical burden to the health care system, therefore, treatment selection must therefore be individualized, considering disease biology, patient fitness, and toxicity burden. Post-progression strategies remain challenging due to resistance mechanisms like EGFR C797S mutations and MET amplification and lack of data post progression on novel 1st line combinations. Ongoing trials are investigating fourth-generation EGFR TKIs, MET inhibitors, antibody-drug conjugates, and bispecific antibodies in subsequent lines. While regimen like Amivantamab-Lazertinib show promise even in second-line settings, toxicity, cost, and access remain barriers. As therapeutic options expand, biomarker-driven sequencing and personalized care will be critical to optimizing long-term outcomes in EGFR-mutated mNSCLC.

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