Answer
No. It increases functional SMN protein but does not correct the underlying genetic change or reverse all existing damage.
Sources for this answer
- Evrysdi 0.75 mg/mL powder for oral solution — Current selected SmPCemc · Summary of Product Characteristics
- Evrysdi 5 mg film‑coated tablets — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.