Overview
Early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome is a very rare genetic brain disorder that affects multiple parts of the body from early in life. The name describes the main features: the brain slowly shrinks over time (progressive diffuse brain atrophy), the head is smaller than normal (microcephaly), the muscles are weak, and the nerves that carry signals from the eyes to the brain are damaged (optic atrophy), which causes vision problems. This condition is sometimes referred to by its shorthand based on its Orphanet code (ORPHA:496641) in medical literature. This syndrome affects the nervous system most severely. Children with this condition often show signs in infancy or early childhood, including delayed development, difficulty with movement, and vision loss. The brain changes get worse over time, which means that skills a child has learned may be lost as the disease progresses. Muscle weakness can affect the ability to walk, sit, or use the hands. There is currently no cure for this syndrome. Treatment focuses on managing symptoms, supporting development, and improving quality of life. This includes physical therapy, occupational therapy, vision support, and medications to manage specific symptoms like seizures if they occur. A team of specialists is usually needed to provide the best care.
Key symptoms:
Smaller than normal head size (microcephaly)Progressive shrinking of the brain over timeMuscle weakness affecting the whole bodyVision loss due to damage to the optic nerve (optic atrophy)Delayed or lost developmental milestones (such as sitting, walking, or talking)Intellectual disabilityDifficulty with movement and coordinationLow muscle tone (floppy muscles)Possible seizuresFeeding difficulties in infancy
Clinical phenotype terms (50)— 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 Early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome.
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Specialists
View all specialists →No specialists are currently listed for Early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome.
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 Early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome.
Community
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Caregiver Resources
NORD Caregiver Resources
Support, advocacy, and financial assistance for caregivers of rare disease patients.
Mental Health Support
Rare disease caregiving can be isolating. Connect with counseling and peer support.
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 genetic test do you recommend to confirm the diagnosis, and how long will results take?,What therapies should we start right away, and how often should they happen?,How quickly is this condition likely to progress, and what signs should we watch for?,Are there any clinical trials or research studies we could consider joining?,What specialists should be part of our care team, and how often should we see each one?,What emergency situations should we prepare for, and what is our action plan?,Are other family members at risk, and should siblings or parents be tested?
Common questions about Early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome
What is Early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome?
Early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome is a very rare genetic brain disorder that affects multiple parts of the body from early in life. The name describes the main features: the brain slowly shrinks over time (progressive diffuse brain atrophy), the head is smaller than normal (microcephaly), the muscles are weak, and the nerves that carry signals from the eyes to the brain are damaged (optic atrophy), which causes vision problems. This condition is sometimes referred to by its shorthand based on its Orphanet code (ORPHA:496641) in me
How is Early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome inherited?
Early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does Early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome typically begin?
Typical onset of Early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome is infantile. Age of onset can vary across affected individuals.