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Living with X-linked intellectual disability-ataxia-apraxia syndrome

A rare X-linked condition in males with poor coordination that doesn't worsen over time, apraxia, and varying learning difficulty.

Understanding X-linked intellectual disability-ataxia-apraxia syndrome

X-linked intellectual disability-ataxia-apraxia syndrome is a rare condition with non-progressive ataxia and apraxia in male patients.

Ataxia is poor coordination, and apraxia is trouble planning movements. Intellectual disability varies, and there can be trouble with visual and spatial tasks. Seizures, clubfoot, and large testes have also been linked. Female carriers can have partial signs. It usually shows in childhood.

Signs & symptoms

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

  • Poor coordination (ataxia)
  • Trouble planning movements (apraxia)
  • Mild intellectual disability
  • Clubfoot
  • Seizures

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. Ask which tests can help

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

  4. Connect with expert centers

    National Ataxia Foundation 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: National Ataxia 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 National Ataxia 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
What therapies can help coordination and movement planning?
Do my child's seizures need medical follow-up?
Is genetic counseling available for our family?

Quick facts

Symptoms usually startChild
InheritanceX-Linked

GARD says changes in genes (variants) cause this condition and it follows X-linked inheritance. It doesn't name a gene.

GeneticNeurological

Also known as: x-linked intellectual disability with ataxia and apraxia syndrome

Patient organizations

Broader rare-disease groups

Source: NIH GARD · X-linked intellectual disability-ataxia-apraxia syndromeGARD ID 19063 · 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 X-linked intellectual disability-ataxia-apraxia syndrome.

Explore the X-linked intellectual disability-ataxia-apraxia syndrome blog

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Explore actively recruiting X-linked intellectual disability-ataxia-apraxia syndrome studies with HealthSpark.

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

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