Sanofi, Regeneron’s Libtayo snags lung cancer nod, taking a stab at Keytruda’s megablockbuster lead February 23, 2021 Auto Bot News 0 Sanofi, Regeneron’s Libtayo snags lung cancer nod, taking a stab at Keytruda’s megablockbuster lead aliu Tue, 02/23/2021 – 07:39