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Living with Charcot-Marie-Tooth disease type 4C

A relatively mild inherited nerve condition with early spine curvature and foot differences, starting in childhood.

Understanding Charcot-Marie-Tooth disease type 4C

Charcot-Marie-Tooth disease type 4C (CMT4C) is a relatively mild nerve disease in which the coating around nerves (myelin) is damaged.

A key feature is early spine curvature. Most people have scoliosis (sideways curve) or kyphoscoliosis during the first decade of life. Nerve problems slowly worsen in childhood or the teen years. Foot differences are common.

Signs & symptoms

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

  • Curved spine (scoliosis)
  • Foot differences
  • Foot drop
  • Frequent falls
  • Absent tendon reflexes
  • Wasting of muscles in the hands and feet

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 SH3TC2 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

    Hereditary Neuropathy Foundation Inc., Charcot-Marie-Tooth Association and Muscular Dystrophy Association 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: Hereditary Neuropathy Foundation Inc., Charcot-Marie-Tooth Association, Muscular Dystrophy Association
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 Hereditary Neuropathy Foundation Inc. 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 SH3TC2 genetic testing confirm the diagnosis?
How should the spine curve be monitored or treated?
What braces or therapy can help with foot drop?

Quick facts

Symptoms usually startChild
InheritanceAutosomal Recessive
GenesSH3TC2

Changes in the SH3TC2 gene cause this condition. It is inherited in an autosomal recessive way, so a child inherits a changed copy of the gene from each parent.

GeneticNeurological

Also known as: autosomal recessive demyelinating charcot-marie-tooth disease type 4c; charcot-marie-tooth disease type 4 caused by mutation in sh3tc2; charcot-marie-tooth disease, demyelinating, autosomal recessive, type 4c; charcot-marie-tooth disease, demyelinating, type 4c; charcot-marie-tooth neuropathy type 4c; charcot-marie-tooth neuropathy type 4c (cmt4c)

Patient organizations

Source: NIH GARD · Charcot-Marie-Tooth disease type 4CGARD ID 9201 · 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 Charcot-Marie-Tooth disease type 4C.

Explore the Charcot-Marie-Tooth disease type 4C blog

Explore research for Charcot-Marie-Tooth disease type 4C

Explore actively recruiting Charcot-Marie-Tooth disease type 4C studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Charcot-Marie-Tooth disease type 4C with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
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  • Eligibility is confirmed by the study team

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