Congenital disorder of glycosylation with neurological involvement

Congenital disorders of glycosylation (CDG) with neurological involvement are a group of rare inherited metabolic conditions that affect how the body adds sugar chains (called glycans) to proteins and fats. These sugar chains are essential for many body functions, including brain development and nervous system signaling. When glycosylation does not work properly, it can cause a wide range of problems, but in this group the brain and nervous system are especially affected. Children with these conditions often show signs early in life, including developmental delays, intellectual disability, seizures, problems with coordination and balance (ataxia), low muscle tone (hypotonia), and sometimes abnormal eye movements. Some children may also have feeding difficulties, failure to thrive, and problems with other organs such as the liver, heart, or immune system. The severity varies widely depending on the specific genetic cause. There is currently no cure for most forms of CDG with neurological involvement. Treatment focuses on managing symptoms, such as anti-seizure medications, physical therapy, occupational therapy, and speech therapy. A few specific subtypes may respond to targeted supplements, such as mannose for PMM2-CDG, though results vary. Research is ongoing to develop better treatments. Early diagnosis and a coordinated care team are important for improving quality of life.

Bring these to your next appointment

• Q1.What specific type of CDG does my child have, and what gene is involved?,Are there any targeted treatments or supplements that could help this specific subtype?,What therapies should we start right away to support development?,How often should we monitor liver function, blood clotting, and other organ systems?,What should I do if my child has a seizure at home?,Are there any clinical trials or research studies we should consider?,What is the expected long-term outlook for my child's specific subtype?

Common questions about Congenital disorder of glycosylation with neurological involvement