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FDA OKs first gene-silencing drug for polyneuropathy of hATTR amyloidosis

The FDA has approved Alnylam Pharmaceuticals' Onpattro, or patisiran, for the treatment of polyneuropathy in patients with hereditary ATTR amyloidosis, making it the first gene-silencing drug to win US approval. Onpattro will carry an annual list price of $450,000 for the average patient, and several insurers, including Harvard Pilgrim Health Care, agreed to cover the drug through value-based deals with Alnylam.

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