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Living with Adult familial nephronophthisis-spastic quadriparesia syndrome

A rare genetic kidney condition in adults that comes with stiffness and weakness in the arms and legs.

Understanding Adult familial nephronophthisis-spastic quadriparesia syndrome

Adult familial nephronophthisis-spastic quadriparesia syndrome is a rare genetic kidney disease that begins in adulthood.

It combines familial adult medullary cystic disease (a kidney condition with cysts) with spastic quadriparesis, which means stiffness and weakness in all four limbs.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. The summary describes kidney disease along with stiffness and weakness in the limbs.

  • Kidney disease with cysts
  • Stiffness and weakness in all four limbs

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 genetic specialists and kidney specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
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
How will my kidney function be checked over time?
Is genetic testing available for our family?
Which specialists, such as a kidney doctor and a neurologist, should I see?

Quick facts

Symptoms usually startAdult

GARD says changes in genes cause this condition, but it doesn't name a gene.

GeneticKidney

Also known as: adult familial nephronophthisis with spastic quadriparesia syndrome

Patient organizations

Source: NIH GARD · Adult familial nephronophthisis-spastic quadriparesia syndromeGARD ID 18777 · 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 Adult familial nephronophthisis-spastic quadriparesia syndrome.

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