Ionis’ Zilganersen Receives the US FDA’s Breakthrough Therapy Designation for Alexander Disease

Shots: The US FDA has granted BTD to zilganersen for the treatment of Alexander disease (AxD) Designation was supported by the topline P-III trial data, which assessed zilganersen (25 or 50mg) vs control in 54 AxD pts (1.5-53yrs.). Zilganersen (50mg) met the 1EP of gait speed as assessed by 10-Meter Walk Test at 61wks., plus…