Alnylam Announces Five-Year HELIOS-B Data Demonstrating Sustained Benefit of AMVUTTRA® (vutrisiran) in ATTR-CM

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY), the leading RNAi therapeutics company, today announced new data at the American Heart Association (AHA) Scientific Sessions 2026, adding to the robust body of evidence demonstrating the strength of RNAi-powered TTR silencing with AMVUTTRA® (vutrisiran). The analyses, including data from the HELIOS-B Phase 3 two-year open-label extension (OLE) period, show that patients with transthyretin amyloidosis with cardiomyop.