Tony Mok, MD
Single-agent treatment with the PD-1 inhibitor pembrolizumab (Keytruda) improved overall survival (OS) versus chemotherapy as a frontline treatment for patients with locally advanced or metastatic non–small cell lung cancer (NSCLC) and a PD-L1 expression level ≥1%.
The approval was based on part 2 of cohort G in the KEYNOTE-021 trial, which showed that the frontline combination of pembrolizumab, pemetrexed, and carboplatin reduced the risk of progression or death compared with chemotherapy alone for patients with advanced nonsquamous NSCLC. Updated results for the study were presented at the 2017 ESMO Congress.2
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