Fianlimab (LAG-3 Inhibitor) Combined with Libtayo® (cemiplimab) Demonstrates Greater than 60% Response Rates in Two Independent Cohorts of Patients with Advanced Melanoma Naïve to PD-1 or PD-L1 Inhibitors

Positive clinical data presented in a mini-oral session at ESMO

Safety profile of the combination was generally similar to Libtayo monotherapy

TARRYTOWN, N.Y., Sept. 12, 2022 /PRNewswire/ -- Regeneron Pharmaceuticals, Inc. (NASDAQ:REGN) today announced the presentation of positive data from multiple expansion cohorts of an initial Phase 1 trial for an investigational combination of LAG-3 inhibitor fianlimab and PD-1 inhibitor Libtayo^® (cemiplimab) in advanced melanoma. The results were shared in a mini-oral session at the European Society for Medical Oncology (ESMO) Congress 2022 in Paris.