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Living with Non-amyloid fibrillary glomerulopathy

An uncommon kidney condition in which deposits build up in the kidney's filters, often causing blood and protein in the urine.

Understanding Non-amyloid fibrillary glomerulopathy

Non-amyloid fibrillary glomerulopathy is an uncommon kidney disease in which deposits build up in the kidney's tiny filters (glomeruli).

It probably results from deposits made of immunoglobulins (antibody proteins). In most cases the cause is unknown. Diagnosis is made with a kidney biopsy and electron microscopy. It is very similar to a rarer condition, immunotactoid glomerulopathy. GARD lists adult as the usual onset.

Signs & symptoms

GARD describes these signs and symptoms in its summary:

  • Blood in the urine (hematuria)
  • Protein in the urine (proteinuria)
  • Reduced kidney function (kidney insufficiency)
  • 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 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
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
Which screening tests for hepatitis C or autoimmune disease should I have?
How will my kidney function and blood pressure be monitored?
How does a biopsy tell this apart from immunotactoid glomerulopathy?

Quick facts

Symptoms usually startAdult

In most cases the cause is unknown. GARD says it probably results from deposits derived from immunoglobulins. It has been linked to hepatitis C infection, cancer, and autoimmune disease, so people should be screened for these.

Kidney

Also known as: congo red negative amyloidosis like glomerulopathy; congo red-negative amyloidosis-like glomerulopathy; fibrillary glomerulonephritis; non-amyloid fibrillary glomerulonephritis

Patient organizations

Source: NIH GARD · Non-amyloid fibrillary glomerulopathyGARD ID 12740 · 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 Non-amyloid fibrillary glomerulopathy.

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