UPDATE 4-Alnylam's RNAi drug succeeds in key study, shares soar By: Reuters: Company News September 20, 2017 at 15:29 PM EDT * $1 bln peak sales expected for patisiran in 2023 - Credit Suisse Read More >> Related Stocks: Alnylam Pharmaceuticals Banco Santander ADR Ionis Pharmaceuticals Medicines Company