Autosomal dominant spastic paraplegia type 9A

Autosomal dominant spastic paraplegia type 9A (also called SPG9A or hereditary spastic paraplegia type 9A) is a rare inherited neurological condition that mainly affects the nerves controlling movement in the legs. It belongs to a large family of conditions called hereditary spastic paraplegias (HSPs), which share the common feature of progressive leg stiffness and weakness. In SPG9A, the nerve fibers that run from the brain down the spinal cord gradually break down over time, making it harder for signals to reach the leg muscles properly. The most noticeable symptoms are stiff, tight leg muscles (spasticity) and difficulty walking. Some people also develop problems with their eyes, such as cataracts or abnormal eye movements, and may have mild intellectual difficulties or trouble swallowing. Symptoms can vary quite a bit from person to person, even within the same family. There is currently no cure for SPG9A. Treatment focuses on managing symptoms — for example, physical therapy to maintain mobility, medications to reduce muscle stiffness, and assistive devices like walking aids. With the right support, many people with SPG9A can maintain a good quality of life for many years, though the condition tends to slowly progress over time.

Bring these to your next appointment

• Q1.Which specific mutation in the ALDH18A1 gene do I have, and what does that mean for how my condition might progress?,Should my family members be tested, and if so, who should be tested first?,What physical therapy program do you recommend to help me maintain my walking ability for as long as possible?,Are there any clinical trials or research studies I could join?,What signs of worsening should prompt me to contact you urgently?,Are there any medications I should avoid that could make my spasticity worse?,What specialists should be part of my regular care team, and how often should I see each of them?

Common questions about Autosomal dominant spastic paraplegia type 9A