Sanofi and Regeneron Pharmaceuticals Inc. are gearing up to submit their PD-1 inhibitor Libtayo (cemiplimab) in first-line locally advanced or metastatic non-small cell lung cancer (NSCLC), a new, larger indication that would take the drug into the more competitive immuno-oncology market.
Sanofi/Regeneron Ready To Forge Ahead With Libtayo Filings In NSCLC
Cemiplimab was a latecomer to the PD-1/L1 class, but a Phase III success in lung cancer will bring it to the main stage for immuno-oncology.

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