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Alnylam’s AMVUTTRA Reduces GI Events in ATTR-CM Patients, According to New HELIOS-B Data

Core Insights - Alnylam Pharmaceuticals Inc. is highlighted as a top-performing large-cap stock following the announcement of new data from the HELIOS-B Phase 3 study of its RNAi therapeutic, AMVUTTRA (vutrisiran) [1] Group 1: Study Findings - The HELIOS-B study revealed a 42% reduction in gastrointestinal (GI) events in the overall population treated with vutrisiran compared to placebo [2] - In the vutrisiran monotherapy group, there was a 37% lower rate of GI events, while the group treated with tafamidis at baseline experienced a 49% reduction [2] - Individual symptoms such as diarrhea, nausea, and vomiting showed reductions exceeding 50% across all treatment groups, with effects observable as early as three months into treatment [3] Group 2: Product Overview - Vutrisiran is an RNAi therapeutic designed to rapidly knock down transthyretin (TTR), approved for treating cardiomyopathy associated with wild-type or hereditary ATTR-CM and polyneuropathy of hereditary ATTR-PN in adults [3] Group 3: Company Profile - Alnylam Pharmaceuticals is a biotech company focused on discovering, developing, and commercializing therapeutics based on ribonucleic acid interference [4]