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Journal Article | FZJ-2025-02935 |
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2025
Lancet Publ. Group
London
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Please use a persistent id in citations: doi:10.1016/S1474-4422(25)00175-9 doi:10.34734/FZJ-2025-02935
Abstract: Friedreich's ataxia is a rare autosomal recessive neurodegenerative disease. Most patients have a homozygous GAA repeat expansion in the FXN gene, resulting in a deficiency of the mitochondrial protein frataxin. Disease onset occurs typically in adolescence but can vary widely, ranging from early childhood to late adulthood. Friedreich's ataxia is increasingly recognised as a multisystem disorder, affecting not only the nervous system, but also the heart and musculoskeletal system, and metabolism. Common extraneural manifestations include cardiomyopathy, which is the most common cause of mortality, and also scoliosis and diabetes. Despite research advances, the phenotypical heterogeneity of patients with Friedrich's ataxia remains inadequately explained by current knowledge of the underlying genetics. The approval of omaveloxolone by the US Food and Drug Administration and the European Medicines Agency has been a pharmacological milestone; however, further research addressing complex interorgan interactions is crucial for a better understanding of the multisystem nature of Friedreich's ataxia and the development of targeted treatment approaches.
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