• The FDA has accepted Alnylam's sNDA for vutrisiran to treat ATTR amyloidosis with cardiomyopathy, granting priority review with a PDUFA date of March 23, 2025.
• Vutrisiran, an RNAi therapeutic, targets transthyretin (TTR) and has shown favorable outcomes in the HELIOS-B Phase 3 trial for ATTR-CM patients.
• The HELIOS-B study demonstrated that vutrisiran improved cardiovascular outcomes, survival, disease progression, and quality of life compared to placebo.
• If approved, vutrisiran would be the first therapy in the U.S. for both polyneuropathy and cardiomyopathy manifestations of ATTR amyloidosis.