MDA 2024: Zolgensma gene therapy safe in children up to 21 kg
The one-time gene therapy Zolgensma (onasemnogene abeparvovec-xioi) didn’t cause any unexpected safety issues among children with spinal muscular atrophy (SMA) who weighed up to 21 kg (about 46 pounds) in a Phase 3b clinical trial, and most had stable or improved motor function a year after treatment.