FDA Approves Libtayo (cemiplimab-rwlc) as First Immunotherapy Indicated for Patients with Advanced Basal Cell Carcinoma 02/10/2021 Medications, TARRYTOWN, N.Y. and PARIS, Feb. 9, 2021 /PRNewswire/ -- Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) and Sanofi...