CAMBRIDGE, Mass. & BETHESDA, Md.--(BUSINESS WIRE)--Genzyme, a Sanofi company (EURONEXT: SAN and NYSE: SNY), and Cystic Fibrosis Foundation Therapeutics Inc., the nonprofit affiliate of the Cystic Fibrosis Foundation, today announced a research agreement to support the discovery of new drugs to treat people with the most common mutation found in patients with CF, Delta F508.