CARLSBAD, Calif., April 24, 2023 /PRNewswire/ -- Ionis Pharmaceuticals, Incexternal link, opens in a new tab. (Nasdaq: IONSexternal link, opens in a new tab) today announced that the Phase 3 NEURO-TTRansform study for AstraZeneca and Ionis' eplontersen in patients with hereditary transthyretin-mediated amyloid polyneuropathy (ATTRv-PN) met all co-primary endpoints and secondary endpoints at 66 weeks versus an external placebo group. The positive results are being presented today in an Emerging Science Session at the American Academy of Neurology (AAN) 2023 Annual Meeting in Boston. ATTRv-PN is a debilitating disease driven by the progressive accumulation of TTR amyloid deposits, which causes progressive nerve damage and leads to organ failure and eventually death.