Older children with muscle wasting disease improve with Spinraza April 24, 2019 sandiegobiotech News Comments Off on Older children with muscle wasting disease improve with Spinraza Older children with muscle wasting disease improve with Spinraza Play Episode Pause Episode Mute/Unmute Episode Rewind 10 Seconds 1x Fast Forward 30 seconds 00:00 / Subscribe Share RSS Feed Share Link Embed Ionis drug was originally approved for infants and toddlers with spinal muscular atrophy