Among these, the retrospective analysis of the phase 3 study KEYNOTE042 indicated a clear trend towards better OS in the KRAS MUT group when comparing first-line ICB versus platinum-containing chemotherapy (28 vs. 11 months) than for the patients with KRAS WT (15 vs. 12 months) [ 45 ], albeit only 301 out of 782 patients were molecularly assessed for KRAS status, among which 69 KRAS MUT cases were identified.
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<i>KRAS</i> Mutations Impact Clinical Outcome in Metastatic Non-Small Cell Lung Cancer.
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