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Living with DEND syndrome

A very rare, generally severe form of diabetes starting in the newborn period, with developmental delay and seizures.

Understanding DEND syndrome

DEND syndrome is a very rare form of neonatal diabetes mellitus that combines developmental delay, epilepsy, and diabetes starting in the newborn period.

It is generally severe. The name stands for the three main features: developmental delay, epilepsy, and neonatal diabetes. GARD lists onset in the newborn or infant period.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Seizures
  • Mild developmental delay
  • High blood sugar markers (elevated hemoglobin A1c)
  • Muscle weakness
  • Low muscle tone in the trunk
  • Dehydration

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include brain and nervous system specialists, genetic specialists, hormone specialists and seizure and epilepsy specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

  4. Connect with expert centers

    Epilepsy Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists); Hormone specialists (endocrinologists); Seizure and epilepsy specialists (epileptologist)
Expert care
Expert lists: Epilepsy Foundation
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with Epilepsy Foundation
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Can genetic testing find the gene behind my child's diabetes?
How should seizures and blood sugar be monitored?
Which specialists should be on our team?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant, Autosomal Recessive

GARD doesn't name a gene. It lists autosomal dominant and autosomal recessive inheritance.

GeneticNeurologicalEndocrine

Also known as: dend (developmental delay, epilepsy, neonatal diabetes) syndrome; developmental delay-epilepsy-neonatal diabetes syndrome; developmental delay, epilepsy, neonatal diabetes syndrome; k atp associated developmental delay, epilepsy and neonatal diabetes

Patient organizations

Broader rare-disease groups

Source: NIH GARD · DEND syndromeGARD ID 16701 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with DEND syndrome.

Explore the DEND syndrome blog

Explore research for DEND syndrome

Explore actively recruiting DEND syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for DEND syndrome with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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