Overview
Infantile-onset autosomal recessive nonprogressive cerebellar ataxia is a rare genetic condition that affects the cerebellum, the part of the brain responsible for coordinating movement and balance. As the name suggests, this condition begins in infancy and is inherited in an autosomal recessive pattern, meaning a child must receive a faulty gene copy from each parent to develop the disease. The word 'nonprogressive' is important — it means that while the condition causes lasting difficulties, it does not get worse over time, which distinguishes it from many other forms of cerebellar ataxia. Children with this condition typically show signs of unsteady movement (ataxia) when they begin to sit, crawl, or walk. They may have delayed motor milestones, poor coordination, shaky movements, and difficulty with balance. Some children may also have mild speech difficulties or mild intellectual challenges, though cognitive ability can be normal. Muscle tone may be low (hypotonia), especially in early life. There is currently no cure for this condition. Treatment focuses on supportive therapies such as physical therapy, occupational therapy, and speech therapy to help children reach their best possible level of function. Because the condition does not worsen, many individuals can make meaningful gains with consistent therapy and support throughout childhood and into adulthood.
Also known as:
Key symptoms:
Unsteady or wobbly walking (ataxia)Poor balanceDelayed motor milestones such as sitting and walkingLow muscle tone (floppiness) in infancyShaky or trembling movementsDifficulty with fine motor tasks like grasping objectsSlurred or slow speechMild learning difficulties in some casesClumsy movementsDifficulty with eye coordinationWide-based gait (walking with legs spread apart)
Clinical phenotype terms (18)— hover any for plain English
Autosomal recessive
Passed on when both parents carry the same gene change; often skips generations
Infantile
Begins in infancy, roughly 1 month to 2 years old
Treatments
No FDA-approved treatments are currently listed for Infantile-onset autosomal recessive nonprogressive cerebellar ataxia.
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Specialists
View all specialists →No specialists are currently listed for Infantile-onset autosomal recessive nonprogressive cerebellar ataxia.
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 Infantile-onset autosomal recessive nonprogressive cerebellar ataxia.
Community
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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 test should my child have, and how long will results take?,How can we tell if this condition is truly nonprogressive versus a slowly progressive form of ataxia?,What therapies do you recommend, and how often should they occur?,Are there any clinical trials or research studies my child might be eligible for?,What school accommodations should we request for my child?,Should other family members be tested as carriers?,What is the long-term outlook for my child's independence and quality of life?
Common questions about Infantile-onset autosomal recessive nonprogressive cerebellar ataxia
What is Infantile-onset autosomal recessive nonprogressive cerebellar ataxia?
Infantile-onset autosomal recessive nonprogressive cerebellar ataxia is a rare genetic condition that affects the cerebellum, the part of the brain responsible for coordinating movement and balance. As the name suggests, this condition begins in infancy and is inherited in an autosomal recessive pattern, meaning a child must receive a faulty gene copy from each parent to develop the disease. The word 'nonprogressive' is important — it means that while the condition causes lasting difficulties, it does not get worse over time, which distinguishes it from many other forms of cerebellar ataxia.
How is Infantile-onset autosomal recessive nonprogressive cerebellar ataxia inherited?
Infantile-onset autosomal recessive nonprogressive cerebellar ataxia follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does Infantile-onset autosomal recessive nonprogressive cerebellar ataxia typically begin?
Typical onset of Infantile-onset autosomal recessive nonprogressive cerebellar ataxia is infantile. Age of onset can vary across affected individuals.