Overview
CANOMAD syndrome is a very rare nerve disorder. The name stands for Chronic Ataxic Neuropathy, Ophthalmoplegia, M-protein, cold Agglutinins, and Disialosyl antibodies — which describes the main features doctors look for. It is sometimes called CANOMAD neuropathy. The condition belongs to a group of diseases where the immune system mistakenly attacks the nerves, particularly the nerves that control balance, movement, and eye muscles. In CANOMAD, the body produces abnormal proteins (called IgM antibodies) that target specific sugar molecules on nerve cells called disialosyl gangliosides. This attack damages the nerves over time, leading to problems with coordination, balance, and eye movement. Many people also have a blood abnormality called cold agglutinins, where red blood cells clump together in cold temperatures. The main symptoms include unsteady walking, double vision, drooping eyelids, difficulty swallowing, and weakness or numbness in the limbs. The disease usually progresses slowly but can cause significant disability. Treatment focuses on calming the immune system using therapies like intravenous immunoglobulin (IVIg), rituximab, or plasma exchange. There is no cure, but many patients respond well to immune-based treatments, which can slow or partially reverse symptoms.
Also known as:
Key symptoms:
Unsteady walking and poor balance (ataxia)Double vision or blurred visionDrooping eyelids (ptosis)Difficulty moving the eyes (ophthalmoplegia)Numbness or tingling in the hands and feetWeakness in the arms or legsDifficulty swallowing (dysphagia)Slurred speechReduced or absent reflexesSensitivity to cold temperaturesFatigue and low energyRaynaud's phenomenon (fingers turning white or blue in the cold)
Sporadic
Usually appears on its own, not inherited from a parent
Adult
Begins in adulthood (age 18 or older)
Treatments
No FDA-approved treatments are currently listed for CANOMAD syndrome.
View clinical trials →Clinical Trials
View all trials with filters →No actively recruiting trials found for CANOMAD syndrome at this time.
New trials open frequently. Follow this disease to get notified.
Specialists
View all specialists →No specialists are currently listed for CANOMAD syndrome.
Treatment Centers
8 centersBaylor College of Medicine Rare Disease Center ↗
Baylor College of Medicine
📍 Houston, TX
🏥 NORDStanford Medicine Rare Disease Center ↗
Stanford Medicine
📍 Stanford, CA
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
🔬 UDNUCLA UDN Clinical Site ↗
UCLA Health
📍 Los Angeles, CA
🔬 UDNBaylor College of Medicine UDN Clinical Site ↗
Baylor College of Medicine
📍 Houston, TX
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDMayo Clinic Center for Individualized Medicine ↗
Mayo Clinic
📍 Rochester, MN
👤 Mayo Clinic Center for Individualized Medicine
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
Travel Grants
No travel grants are currently matched to CANOMAD syndrome.
Community
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Caregiver Resources
NORD Caregiver Resources
Support, advocacy, and financial assistance for caregivers of rare disease patients.
Mental Health Support
Rare disease caregiving can be isolating. Connect with counseling and peer support.
Family & Caregiver Grants
Financial assistance programs specifically for caregivers of rare disease patients.
Social Security Disability
Learn how rare disease patients may qualify for SSDI/SSI benefits.
Questions for your doctor
Bring these to your next appointment
- Q1.Which treatment do you recommend for me first, and how will we know if it is working?,How often will I need IVIg infusions or other treatments, and for how long?,What signs should prompt me to seek emergency care?,Are there any clinical trials for CANOMAD that I might be eligible for?,How should I protect myself from cold temperatures given my cold agglutinins?,Should I see a hematologist in addition to a neurologist?,What rehabilitation services, such as physiotherapy or occupational therapy, would help me manage my symptoms?
Common questions about CANOMAD syndrome
What is CANOMAD syndrome?
CANOMAD syndrome is a very rare nerve disorder. The name stands for Chronic Ataxic Neuropathy, Ophthalmoplegia, M-protein, cold Agglutinins, and Disialosyl antibodies — which describes the main features doctors look for. It is sometimes called CANOMAD neuropathy. The condition belongs to a group of diseases where the immune system mistakenly attacks the nerves, particularly the nerves that control balance, movement, and eye muscles. In CANOMAD, the body produces abnormal proteins (called IgM antibodies) that target specific sugar molecules on nerve cells called disialosyl gangliosides. This a
How is CANOMAD syndrome inherited?
CANOMAD syndrome follows a sporadic inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does CANOMAD syndrome typically begin?
Typical onset of CANOMAD syndrome is adult. Age of onset can vary across affected individuals.