Adult Polyglucosan Body Disease: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Adult Polyglucosan Body Disease?
A primary care doctor is often the first doctor a person sees and can order early tests and refer the patient to specialists. A neurologist usually leads care, and a urologist may help with bladder symptoms. A direct primary care or concierge doctor, where the patient pays a flat monthly fee, can spend extra time on coordination but will still refer to a neurologist for diagnosis.
What it is
Adult polyglucosan body disease is a rare condition that affects the nervous system, the network of nerves carrying messages between the brain and the body. Abnormal clumps of sugar called polyglucosan bodies build up inside nerve cells and damage the nerves over time, most often in the arms, legs, and bladder. It is called adult because symptoms usually begin in a person's forties, fifties, or sixties. Because it is so uncommon, people often wait a long time for a diagnosis.
Symptoms
The most common early sign is trouble with the bladder, such as needing to urinate often or having a hard time emptying it. Many people also develop numbness, tingling, or weakness in the legs and feet. Doctors call this problem peripheral neuropathy.
Causes and who gets it
The disease is inherited. It happens when a person gets a changed copy of a gene called GBE1 from both parents. This gene helps the body store and use sugar correctly; when it does not work, the sugar clumps form. People with only one changed copy are carriers and usually have no symptoms. It is seen more often in people with Ashkenazi Jewish ancestry.
How doctors diagnose it
Doctors start with a physical exam and questions about symptoms and family history. Tests may include nerve studies, a bladder test called urodynamics, and an MRI of the brain. A genetic blood test can confirm the changed GBE1 gene.
Treatment
There is no cure yet, but treatment can ease symptoms. Medicines can help with bladder problems, and physical therapy can keep muscles strong and help with walking. Some people use braces, walkers, or wheelchairs as the disease progresses. Regular checkups with a neurologist help manage symptoms over time.
When to see a doctor
Anyone with ongoing numbness or weakness in the legs, trouble walking, or long-lasting bladder problems should see a doctor. These symptoms have many possible causes, and most are not this rare disease, but early evaluation helps rule out treatable conditions.
Common questions
Is adult polyglucosan body disease fatal?
The disease slowly affects the nerves over many years, and the outlook differs from person to person. A doctor who knows the person's situation can give the best picture of what to expect.
Can it be prevented?
Because the disease is inherited, it cannot be prevented once a person is born with two changed copies of the gene. People with a family history can talk to a genetic counselor before or during a pregnancy.
Is it the same as ALS or multiple sclerosis?
No. ALS and multiple sclerosis are different nerve diseases with different causes. Adult polyglucosan body disease is caused by sugar clumps building up in nerve cells.
Does everyone with the gene change get sick?
Most people with two changed copies develop symptoms at some point in adulthood. The age when symptoms start and how severe they become can vary a lot, even within the same family.
Sources
- NIH Genetic and Rare Diseases Information Center - Adult polyglucosan body disease
- MedlinePlus Genetics - Adult polyglucosan body disease
- National Institute of Neurological Disorders and Stroke - Peripheral Neuropathy
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
