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Regeneron Pharmaceuticals, Inc.

Drug Names(s): REGN421, SAR153192, SAR 153192

Description: REGN421 is an antibody to delta-like ligand-4 (Dll4) generated by Regeneron using its VelocImmune technology; REGN421 is in development to disrupt angiogenesis in patients with cancer.

Deal Structure: Regeneron and Sanofi
In November 2007, Regeneron Pharmaceuticals and sanofi-aventis entered into a global, strategic collaboration agreement to discover, develop, and commercialize fully-human therapeutic antibodies utilizing Regenerons proprietary VelociSuite of technologies (including VelocImmune).

As part of the research agreement, sanofi-aventis will make an $85 million upfront payment to Regeneron and will fund up to $475 million of research over the next five years. Sanofi-aventis will have an option to extend the research agreement for up to an additional three years. Sanofi-aventis will have the exclusive option to co-develop with Regeneron each drug candidate in the collaboration portfolio. Development costs will be shared between the two companies, with sanofi-aventis funding drug candidate development costs up front and Regeneron reimbursing half of the development costs from its share of future profits to the extent they are sufficient for this purpose....See full deal structure in Biomedtracker

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