Outcomes According to ALK Status Determined by Central Immunohistochemistry or Fluorescence In Situ Hybridization in Patients With ALK-Positive NSCLC Enrolled in the Phase 3 ALEX Study

Abstract excerpt

INTRODUCTION: We retrospectively examined progression-free survival (PFS) and response by ALK fluorescence in-situ hybridization (FISH) status in patients with advanced ALK immunohistochemistry (IHC)-positive non-small-cell lung cancer (NSCLC) in the ALEX study. METHODS: 303 treatment-naïve patients were randomized to receive twice-daily alectinib 600 mg or crizotinib 250 mg. ALK status was assessed centrally...

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