Learn About CLN3 Disease

What is the definition of CLN3 Disease?

CLN3 disease is an inherited disorder that primarily affects the nervous system. After 4 to 6 years of normal development, children with this condition develop vision impairment, intellectual disability, movement problems, speech difficulties, and seizures, which worsen over time.

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What are the causes of CLN3 Disease?

CLN3 disease is caused by mutations in the CLN3 gene, which provides instructions for making a protein that is found in tissues throughout the body. The CLN3 protein is part of many compartments within cells, including lysosomes, which are cellular compartments that digest and recycle different types of molecules. However, the exact function of the CLN3 protein is unclear. Research has shown that this protein is involved in many cellular processes, but it is uncertain which of them is the primary role of the protein, or if these processes instead represent downstream effects.

How prevalent is CLN3 Disease?

CLN3 disease is the most common type of NCL, but its exact prevalence is unknown; more than 400 cases have been described in the scientific literature. Collectively, all forms of NCL affect an estimated 1 in 100,000 individuals worldwide.

Is CLN3 Disease an inherited disorder?

This condition is inherited in an autosomal recessive pattern, which means both copies of the gene in each cell have mutations. The parents of an individual with an autosomal recessive condition each carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition.

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What are the latest CLN3 Disease Clinical Trials?
An Open-label Safety, Pharmacokinetic, and Efficacy Study of the Combination of Miglustat for the Treatment of CLN3 Disease in Patients 17 Years of Age and Older

Summary: This is an open label study in approximately 6 subjects in 2 centers to assess the safety, PK, and efficacy of the maximum tolerable dose (MTD) of oral miglustat (100 mg once daily [QD] to 200 mg 3 times daily [TID]) in subjects ≥ 17 years of age with CLN3 disease over a period of 104 weeks.

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Natural History and Long Term Clinical Assessments of All Forms of Neuronal Ceroid Lipofuscinoses - Capturing Key Symptoms and Disease Progression as Part of the Independent, International NCL DEM-CHILD Patient Database

Summary: This is an observational study that aims at assessing the natural history of NCL diseases as part of the international DEM-CHILD Database. Patient data are collected from medical records, patient questionnaires and routine follow up clinical examinations with focus on assessing progression in key areas of disease such as motor, language, cognition, seizures, vision, and behavior. A local bioreposi...

Who are the sources who wrote this article ?

Published Date: February 16, 2021Published By: National Institutes of Health

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