Overview
Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome is an extremely rare genetic condition that affects brain development, causes seizures, and disrupts the body's ability to produce insulin from birth. The name describes its three main features: microcephaly (an unusually small head, which reflects reduced brain growth), epilepsy (recurrent seizures), and permanent neonatal diabetes (high blood sugar starting in the newborn period that does not go away). Because the brain does not develop to its full size, children with this condition typically have significant intellectual disability and developmental delays. Seizures may begin in the first weeks or months of life and can be difficult to control with standard medications. The neonatal diabetes occurs because the pancreas cannot make enough insulin, requiring lifelong insulin therapy. This syndrome is caused by mutations in a gene critical for both brain development and pancreatic function. Because it affects multiple organ systems simultaneously, care requires a team of specialists working together. Treatment is mainly supportive and focuses on controlling blood sugar with insulin, managing seizures with anti-epileptic medications, and providing developmental support through therapies such as physical therapy, occupational therapy, and speech therapy. The condition is present from birth and has a significant impact on quality of life and development. Research into this syndrome is still limited due to its extreme rarity, and there is currently no cure.
Key symptoms:
Abnormally small head size (microcephaly)Seizures starting in infancyHigh blood sugar from birth (neonatal diabetes)Severe intellectual disabilityDelayed motor development (sitting, crawling, walking)Delayed or absent speechLow muscle tone or abnormal muscle stiffnessPoor feeding in infancyFailure to gain weight and grow normallyReduced brain size visible on brain imagingDifficulty with coordination and movementDependence on insulin from birth
Autosomal recessive
Passed on when both parents carry the same gene change; often skips generations
Neonatal
Begins at or shortly after birth (first 4 weeks)
Treatments
No FDA-approved treatments are currently listed for Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome.
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Specialists
View all specialists →No specialists are currently listed for Primary microcephaly-epilepsy-permanent neonatal diabetes 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 Primary microcephaly-epilepsy-permanent neonatal diabetes 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 is the best way to manage my child's blood sugar, and how often should we check it?,What seizure medications do you recommend, and what side effects should we watch for?,What should our emergency plan be if my child has a prolonged seizure or a blood sugar crisis?,What developmental therapies would benefit my child the most right now?,Should our family have genetic counseling, and what does this mean for future pregnancies?,Are there any clinical trials or research studies that my child might be eligible for?,What specialists should be part of my child's care team, and how often should we see them?
Common questions about Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome
What is Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome?
Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome is an extremely rare genetic condition that affects brain development, causes seizures, and disrupts the body's ability to produce insulin from birth. The name describes its three main features: microcephaly (an unusually small head, which reflects reduced brain growth), epilepsy (recurrent seizures), and permanent neonatal diabetes (high blood sugar starting in the newborn period that does not go away). Because the brain does not develop to its full size, children with this condition typically have significant intellectual dis
How is Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome inherited?
Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome typically begin?
Typical onset of Primary microcephaly-epilepsy-permanent neonatal diabetes syndrome is neonatal. Age of onset can vary across affected individuals.