Spinal muscular atrophy (SMA) is a genetic neuromuscular disease affecting specialized nerve cells that control voluntary muscle movement, according to the Muscular Dystrophy Association (MDA). It can ...

Distal spinal muscular atrophy (DSMA) is a rare genetic disease that causes a loss of muscle movement. It affects muscles further away from the center of the body, such as the hands, feet, and legs.

Spinal muscular atrophy (SMA) type 1 is a genetic condition in which the nerves that control movement, breathing, and swallowing become progressively weaker and smaller. SMA has five types with ...

Risdiplam, an oral pre–messenger RNA splicing modifier, is an efficacious treatment for persons with symptomatic spinal muscular atrophy (SMA). The safety and efficacy of risdiplam in presymptomatic ...