Late-breaking data from exploratory analyses at WCLC show Libtayo plus chemotherapy demonstrates a more than double five-year overall survival rate of 19.4%, compared to 8.8% with chemotherapy alone In a five-year analysis, consistent efficacy was observed across histologies with especially notable benefit in the squamous patient population where median overall survival was 22.3 months TARRYTOWN, N.Y., Sept. 09, 2025 (GLOBE NEWSWIRE) -- Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) today announced five-yea ...