TARRYTOWN, N.Y.--(BUSINESS WIRE)--Regeneron Pharmaceuticals, Inc. (Nasdaq: REGN) and sanofi-aventis (Euronext: SAN and NYSE: SNY) announced today that they have entered into a global, strategic collaboration agreement to discover, develop, and commercialize fully-human therapeutic antibodies utilizing Regeneron’s proprietary VelociSuite of technologies (including VelocImmune®).