Proximal spinal muscular atrophy
Synonyms: SMA
A group of neuromuscular disorders characterized by progressive muscle weakness resulting from the degeneration and loss of the lower motor neurons in the spinal cord and the brain stem nuclei.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Reference: Access aggregated data from Orphanet at Orphadata.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2024
Newly diagnosed with
Proximal spinal muscular atrophy?
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
Advocacy Organizations
Miracle For Madison & Friends
Raise awareness for SMA , provide support to families and fund research for a treatment/cure
Clinical Trials
For a list of clinical trials in this disease area, please click here.