Spinal muscular atrophy (SMA) is a spectrum disease with a single, underlying genetic cause1,2

Mechanism of disease (MOD) video

Watch the video to learn about the clinical manifestation and MOD in SMA.

No-charge genetic testing for your patients

Find out more about genetic testing, sponsored by Biogen and offered through Invitae, at no charge to patients.

What is SMA?

Find out about the clinical presentation of SMA in patients across different phenotypes.

Survival motor neuron (SMN) protein in SMA

Learn about the production of SMN protein.

SMA signs and symptoms usually present
as early as the first few months of life and progression
extends into adulthood.3