PARIS & WATERTOWN, Mass.--(BUSINESS WIRE)--Regulatory News: Dicerna Pharmaceuticals, Inc., (Dicerna) a second generation RNA interference (RNAi) company, and Ipsen (Paris:IPN), a global biotechnology specialty care group, announced today that the two companies have entered into an exclusive research collaboration agreement to leverage their expertise in Dicer Substrate siRNA (DsiRNA) research and peptide engineering. The companies will develop novel conjugates of Dicerna’s DsiRNA molecules and Ipsen’s peptide targeting vectors in the therapeutic areas of oncology and endocrinology.