Press Release: Sanofi and Regeneron expand global Alliance with multiple next-generation, long-acting immunology antibodies

Sanofi and Regeneron expand global Alliance with multiple next-generation, long-acting immunology antibodies REGN20423, a clinical-stage long-acting IL-13 monoclonal antibody invented and developed by Regeneron, is added to the Alliance, along with a long-acting IL-4xIL-13 bispecific and two other long-acting pre-clinical antibodies from RegeneronRegeneron to receive $1 billion upfront, with potential for up to an additional $7 billion in future milestone payments; companies to equally share dev