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Living with Giant axonal neuropathy 1

An inherited nerve condition starting in infancy or early childhood with weakness, walking trouble, and loss of feeling in the arms and legs.

Understanding Giant axonal neuropathy 1

Giant axonal neuropathy 1 is a neurodegenerative disorder with abnormally large, poorly working nerve fibers called axons.

It typically begins in infancy or early childhood with severe nerve problems in the arms and legs. Early signs include trouble walking, poor coordination, and loss of strength. Over time, the brain and spinal cord become involved, causing a gradual decline in mental function, loss of control of movements, and seizures.

Signs & symptoms

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

  • Trouble walking
  • Loss of feeling in the hands and feet
  • Low muscle tone (hypotonia)
  • Kinky hair
  • Curved spine (scoliosis)
  • Intellectual disability

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 and genetic specialists.

  3. Consider genetic testing

    Changes in GAN 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

    Muscular Dystrophy Association and The Foundation for Peripheral Neuropathy may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
Expert care
Expert lists: Muscular Dystrophy Association, The Foundation for Peripheral Neuropathy
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 Muscular Dystrophy Association and other patient organizations
  • 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 confirm a change in the GAN gene?
What therapies could help with walking and mobility?
Which specialists should be involved in care?

Quick facts

Symptoms usually startInfant and as a Child
InheritanceAutosomal Recessive
GenesGAN

Changes in the GAN gene cause this condition.

GeneticNeurological

Also known as: gan; gan giant axonal neuropathy; gan1; giant axonal neuropathy 1, autosomal recessive; giant axonal neuropathy caused by mutation in gan; giant axonal neuropathy type 1

Patient organizations

Source: NIH GARD · Giant axonal neuropathy 1GARD ID 6500 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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Perspectives from people navigating life with Giant axonal neuropathy 1.

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