AUG 10, 2026 · JOURNAL ARTICLE
Osimertinib With or Without Chemotherapy in Advanced Non–Small Cell Lung Cancer With EGFR and Concurrent TP53 Mutations
JAMA
Phase 3 RCT with adequately powered, pre-specified primary endpoint showing clinically significant and statistically robust PFS benefit (HR 0.44, p<.001) in a well-defined population, though OS remains immature and generalizability is limited to China.
Reported
Median PFS – combination group34.0 months
Median PFS – monotherapy group15.6 months
Absolute PFS difference18.4 months