New Data From Landmark HELIOS-B Phase 3 Study Presented at ESC Congress 2025 Demonstrate Vutrisiran’s Long-Term Cardiovascular Benefit in ATTR-CM

(NASDAQ:ALNY) CAMBRIDGE, Mass.--(BUSINESS WIRE)--Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY), the leading RNAi therapeutics company, today announced results of new analyses from the HELIOS-B Phase 3 study of AMVUTTRA® (vutrisiran), an RNAi therapeutic approved for the treatment of the cardiomyopathy of wild-type or hereditary transthyretin-mediated amyloidosis (ATTR-CM) in adults. Data from the 12-month follow-up of the ongoing open-label extension (OLE) period of HELIOS-B were presented during an oral sess