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Regeneron and Sanofi have expanded their antibody alliance to co-develop four long-acting immunology antibodies. Regeneron will receive a $1 billion upfront payment and up to $7 billion in potential milestones, with costs and profits to be shared 50:50 globally.
REGN20423 In Phase 1; Three More Antibodies Expected To Enter Studies In 2027 - Alliance May Include Sanofi s Lunsekimig Following Phase 3 Studies - Companies Settle Previous Collaboration-Related Litigation