CARLSBAD, Calif., Nov. 30, 2020 /PRNewswire/ — Ionis Pharmaceuticals, Inc. (NASDAQ: IONS) today announced that the biopharmaceutical company AstraZeneca has initiated a Phase 2b clinical trial of ION449 (AZD8233), an investigational antisense medicine designed to reduce blood cholesterol levels in patients with dyslipidemia by targeting proprotein convertase subtilisin/kexin type 9 (PCSK9), an important regulator […]