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Living with Familial juvenile hyperuricemic nephropathy type 1

An inherited kidney disease (ADTKD-UMOD) with slow loss of kidney function and gout, often starting in the teen or young adult years.

Understanding Familial juvenile hyperuricemic nephropathy type 1

Familial juvenile hyperuricemic nephropathy type 1, also called ADTKD-UMOD, is an inherited kidney disease that causes slow loss of kidney function.

Signs often begin in the teen years or early adulthood. Over time the kidneys filter less well and can eventually fail, needing dialysis or a kidney transplant. High uric acid in the blood is common. About half of people develop gout, a painful joint condition, often in late adolescence or early adulthood.

Signs & symptoms

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

  • Chronic kidney disease
  • Gout (sudden severe joint pain and redness)
  • High blood pressure
  • Passing more urine than usual (polyuria)
  • Kidney cysts
  • Small kidneys

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. Consider genetic testing

    Changes in UMOD 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
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 American Association of Kidney Patients 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
Should I have genetic testing for the UMOD gene?
How often should my kidney function and uric acid be checked?
What can be done to manage gout?

Quick facts

Symptoms usually startTeenager and as an Adult
InheritanceAutosomal Dominant
GenesUMOD

Changes in the UMOD gene cause it. It is autosomal dominant, which means one changed copy of the gene is enough.

GeneticKidney

Also known as: adtkd-umod; adtkd1; autosomal dominant medullary cystic kidney disease type 2; autosomal dominant medullary cystic kidney disease with hyperuricemia; autosomal dominant tubulo-interstitial kidney disease; autosomal dominant tubulointerstitial kidney disease - umod

Patient organizations

Source: NIH GARD · Familial juvenile hyperuricemic nephropathy type 1GARD ID 10679 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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