OS analysis of IMpower 010 indicates a positive trend favouring atezolizumab after adjuvant chemotherapy in PD-L1 positive subgroup analyses, primarily driven by the PD-L1 tumor cell ≥50% stage II–IIIA subgroup ( 18 ).
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Pemetrexed plus platinum outperforms other platinum-based adjuvant chemotherapy regimens for resected stage II-IIIA lung adenocarcinoma: an open-label, historical-control study.
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This suggests that EGFR mutation status primarily predicts benefit from EGFR-TKI therapy, while its prognostic role in the natural disease course or in platinum-based adjuvant chemotherapy may not be significant.