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Living with Psychomotor regression-oculomotor apraxia-movement disorder-nephropathy syndrome

A rare genetic condition that starts in infancy with loss of skills, movement problems, and sometimes kidney disease.

Understanding Psychomotor regression-oculomotor apraxia-movement disorder-nephropathy syndrome

Psychomotor regression-oculomotor apraxia-movement disorder-nephropathy syndrome is a rare genetic disease with nervous system decline that begins in the first two years of life.

It leads to severe intellectual disability, poor balance and coordination, mild involuntary movements, low muscle tone in the trunk, a bent-forward posture, and trouble moving the eyes on command (oculomotor apraxia). Some people also develop kidney disease, high blood pressure, and a tendency toward high potassium.

Signs & symptoms

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

  • Delays and loss of developmental skills
  • Small head size (microcephaly)
  • Involuntary movements (dystonia, choreoathetosis)
  • Feeding difficulties and slow growth
  • Drooping eyelid and crossed eyes
  • High blood pressure

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, eye disease specialists, genetic specialists and kidney specialists.

  3. Consider genetic testing

    Changes in SLC30A9 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Eye disease specialists (ophthalmologists); Genetic specialists (geneticists); Kidney specialists (nephrologists)
Expert care
Ask about multidisciplinary care centers for rare conditions
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 Kidney Foundation 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
Would genetic testing for the SLC30A9 gene help our family?
How should kidney function and potassium be monitored?
What therapies can help with movement and feeding?

Quick facts

Symptoms usually startInfant
InheritanceAutosomal Recessive
GenesSLC30A9

This condition is caused by changes in the SLC30A9 gene. A child inherits a changed copy of the gene from each parent (autosomal recessive).

GeneticNeurologicalKidneyInherited Metabolic

Also known as: bilapes; birk-landau-perez syndrome; cerebrorenal syndrome, perez type

Patient organizations

Source: NIH GARD · Psychomotor regression-oculomotor apraxia-movement disorder-nephropathy syndromeGARD ID 17943 · 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 Psychomotor regression-oculomotor apraxia-movement disorder-nephropathy syndrome.

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