Overview
Autosomal recessive lower motor neuron disease with childhood onset is a very rare inherited condition that affects the nerve cells (called lower motor neurons) in the spinal cord and brainstem. These nerve cells are responsible for sending signals from the brain to the muscles, telling them to move. When these neurons are damaged or do not work properly, the muscles gradually become weak and may waste away over time. This condition begins in childhood, and children may first notice difficulty with walking, running, or other physical activities that require muscle strength. The disease primarily affects the muscles of the arms and legs, though other muscle groups can also be involved. Children with this condition may experience progressive muscle weakness, decreased muscle tone (floppiness), muscle wasting (atrophy), and reduced or absent reflexes. Over time, mobility can become increasingly limited. The disease shares features with other motor neuron diseases, such as spinal muscular atrophy, but it is a distinct condition with its own genetic cause. Currently, there is no cure for this disease. Treatment focuses on managing symptoms and maintaining quality of life. This includes physical therapy to preserve muscle function and mobility, occupational therapy to help with daily activities, and orthopedic interventions such as braces or surgery if needed. Respiratory support may be necessary if breathing muscles become affected. A multidisciplinary care team is essential for providing the best possible support to affected children and their families.
Also known as:
Key symptoms:
Progressive muscle weakness in the arms and legsMuscle wasting (muscles getting thinner over time)Decreased muscle tone (floppiness)Reduced or absent reflexesDifficulty walking or runningFrequent tripping or fallingDifficulty climbing stairsMuscle twitching or fasciculationsFoot drop (difficulty lifting the front of the foot)Joint contractures (stiffness in joints)Fatigue during physical activitiesDifficulty with fine motor tasks like writing or buttoning clothes
Autosomal recessive
Passed on when both parents carry the same gene change; often skips generations
Childhood
Begins in childhood, roughly ages 1 to 12
Treatments
No FDA-approved treatments are currently listed for Autosomal recessive lower motor neuron disease with childhood onset.
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Specialists
View all specialists →No specialists are currently listed for Autosomal recessive lower motor neuron disease with childhood onset.
Treatment Centers
8 centersBaylor College of Medicine Rare Disease Center ↗
Baylor College of Medicine
📍 Houston, TX
🏥 NORDStanford Medicine Rare Disease Center ↗
Stanford Medicine
📍 Stanford, CA
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
🔬 UDNUCLA UDN Clinical Site ↗
UCLA Health
📍 Los Angeles, CA
🔬 UDNBaylor College of Medicine UDN Clinical Site ↗
Baylor College of Medicine
📍 Houston, TX
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDMayo Clinic Center for Individualized Medicine ↗
Mayo Clinic
📍 Rochester, MN
👤 Mayo Clinic Center for Individualized Medicine
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
Travel Grants
No travel grants are currently matched to Autosomal recessive lower motor neuron disease with childhood onset.
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Caregiver Resources
NORD Caregiver Resources
Support, advocacy, and financial assistance for caregivers of rare disease patients.
Mental Health Support
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Family & Caregiver Grants
Financial assistance programs specifically for caregivers of rare disease patients.
Social Security Disability
Learn how rare disease patients may qualify for SSDI/SSI benefits.
Questions for your doctor
Bring these to your next appointment
- Q1.What specific genetic testing should be done to confirm the diagnosis?,How quickly is this disease likely to progress in my child's case?,What therapies or interventions can help maintain my child's mobility and strength?,Are there any clinical trials or research studies my child might be eligible for?,When should we start monitoring breathing function, and how is that done?,What school accommodations should we request to support my child?,Are there genetic implications for other family members or future pregnancies?
Common questions about Autosomal recessive lower motor neuron disease with childhood onset
What is Autosomal recessive lower motor neuron disease with childhood onset?
Autosomal recessive lower motor neuron disease with childhood onset is a very rare inherited condition that affects the nerve cells (called lower motor neurons) in the spinal cord and brainstem. These nerve cells are responsible for sending signals from the brain to the muscles, telling them to move. When these neurons are damaged or do not work properly, the muscles gradually become weak and may waste away over time. This condition begins in childhood, and children may first notice difficulty with walking, running, or other physical activities that require muscle strength. The disease primar
How is Autosomal recessive lower motor neuron disease with childhood onset inherited?
Autosomal recessive lower motor neuron disease with childhood onset follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does Autosomal recessive lower motor neuron disease with childhood onset typically begin?
Typical onset of Autosomal recessive lower motor neuron disease with childhood onset is childhood. Age of onset can vary across affected individuals.