This, too, is a more chronic or juvenile form. There is no medical treatment to delay progression of Spinal Muscular Atrophy. Management consists of supportive therapy, preventing or treating the complications that arise due to severe weakness and immobility, lung disease, poor nutrition, and orthopedic deformities. A respiratory therapist, physical and occupational therapists may provide care. Scientists are still searching for methods to alleviate or cure this disease.
Clinical trials are underway.
A search of the National Library of Medicine will provide you with current articles on the subject. That link, and others, are listed below. Spinal Muscular Atrophy Fact Sheet. A Brochure For Parents and Caregivers from the Muscular Dystrophy Association. Spinal Muscular Atrophy A support group for people with SMA and for their families.