Alnylam Receives Approval in Europe for AMVUTTRA (vutrisiran) for the Treatment of Hereditary Transthyretin-mediated (hATTR) Amyloidosis in Adult Patients with Stage 1 or Stage 2 Polyneuropathy
The EC approval is based on positive 18-month results from the HELIOS-A Phase 3 study, where AMVUTTRA significantly improved the signs and symptoms of hATTR amyloidosis, with more than 50 percent of patients experiencing halting or reversal of their polyneuropathy manifestations.