Basel, 07 June 2024 - Roche (SIX: RO, ROG; OTCQX: RHHBY) announced today new five-year data confirming the sustained efficacy and safety profile of Evrysdi® (risdiplam) in children with Type 1 spinal muscular atrophy (SMA) from the open-label extension of the pivotal FIREFISH study. By the end of Year 5, 91% of children treated with Evrysdi were alive, 81% were alive without permanent ventilation and the majority were able to sit without support for at least 30 seconds (59%). At the end of year 5, seven children were able to stand, three with support, four unaided and six could walk with support. Without disease modifying treatment, natural history studies indicate that children with Type 1 SMA would not only never be able to reach such milestones, but also not typically live past the age of two. The data were presented at the Cure SMA Research & Clinical Care Meeting, June 5 - 7, 2024.

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Five-year data for Roche’s Evrysdi show the majority of treated children with a severe form of spinal muscular atrophy (SMA) achieved or maintained...