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Living with Intermediate DEND syndrome

A rare genetic form of diabetes in newborns with mild delays in movement, speech, or learning but no epilepsy.

Understanding Intermediate DEND syndrome

Intermediate DEND syndrome is a rare genetic neonatal diabetes syndrome and a variant of DEND syndrome.

It brings insulin-dependent diabetes in newborns, with mild delays in motor, speech, or learning skills. People do not have epilepsy. It begins in the newborn period or infancy.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Its summary describes:

  • Diabetes starting in the newborn period
  • Mild delay in movement skills
  • Mild delay in speech
  • Mild delay in thinking skills

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. Consider genetic testing

    Changes in KCNJ11 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  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 for the KCNJ11 gene confirm the diagnosis?
How is my child's diabetes managed?
What therapies can support development?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant, Autosomal Recessive
GenesKCNJ11

Changes in the KCNJ11 gene are listed. It can be inherited in an autosomal dominant or autosomal recessive pattern.

GeneticNeurologicalEndocrine

Also known as: developmental delay-epilepsy-neonatal diabetes syndrome, intermediate form; developmental delay, epilepsy, neonatal diabetes syndrome, intermediate form; intermediate dend (developmental delay, epilepsy, neonatal diabetes) syndrome

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Intermediate DEND syndromeGARD ID 19724 · 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 Intermediate DEND syndrome.

Explore the Intermediate DEND syndrome blog

Explore research for Intermediate DEND syndrome

Explore actively recruiting Intermediate DEND syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Intermediate 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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