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The first case of spongy degeneration of the CNS was reported in 1928 by Globus and Strauss, [42] who designated the case as Schilder's disease, a term for diffuse myelinoclastic sclerosis. [43] [44] [45] In 1931, Canavan reported a case where the megalencephaly of brain degeneration is different from that caused by a tumour. [46]
Canavan disease, or Canavan–Van Bogaert–Bertrand disease, is a rare and fatal autosomal recessive [1] degenerative disease that causes progressive damage to nerve cells and loss of white matter in the brain. [2] It is one of the most common degenerative cerebral diseases of infancy. [3]
Cerebellar ataxia with neuropathy and vestibular areflexia syndrome (CANVAS) is an autosomal recessive late-onset heredodegenerative multisystem neurological disease. The symptoms include poor balance and difficulty walking. Chronic cough and difficulty swallowing may also be present.
CANinform is an ongoing natural history study of more than 60 patients with Canavan disease, which was designed as a robust comparator for the CANaspire study in accordance with FDA’s guidance on the design and conduct of externally controlled trials. Highlights of the results presented at ESGCT 2024 include:
Canavan disease is a less-studied type of leukodystrophy that, like MLD and Krabbe disease, is also inherited in an autosomal recessive pattern. It is due to a mutation in the ASPA gene that encodes aspartoacylase , an enzyme needed to metabolize N-acetyl-L-aspartate (NAA).
Aminoacylase 2 deficiency - also known as Canavan's disease - is another rare disease caused by a mutation in the ASPA gene (on chromosome 17) that leads to a deficiency in the enzyme aminoacylase 2. Aminoacylase 2 is known for the fact that it can hydrolyze N-acetylaspartate while aminoacylase 1 cannot. [17]
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Multiple system atrophy (MSA) is a rare neurodegenerative disorder [1] characterized by tremors, slow movement, muscle rigidity, postural instability (collectively known as parkinsonism), autonomic dysfunction and ataxia.