Regeneron and Sanofi expand alliance with $1 Bln upfront deal

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Go back to Regeneron and Sanofi expand alliance with $1 Bln upfront deal

Regeneron and Sanofi Expand Global Alliance with Multiple Next-Generation, Long-Acting Immunology Antibodies

October 1, 2026 1:00 AM EDT

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 preclinical antibodies from Regeneron

Regeneron to receive $1 billion upfront with potential for up to an additional $7 billion in future milestone payments; companies to equally share development and commercialization costs, as well as any future profits

Regeneron and Sanofi to host a conference call for investors and analysts today at 8:00 am ET/2:00 pm CET

TARRYTOWN, N.Y. and PARIS, Oct. 01, 2026 (GLOBE NEWSWIRE) --... More