BACKGROUND:
Friedreich's ataxia is an autosomal recessive neurodegenerative disease where impaired mitochondrial function and excessive production of free radicals play a central pathogenetic role. Idebenone, a synthetic analogue of coenzyme Q, is a powerful antioxidant that was first administrated to Friedreich's ataxia patients less than 10 years ago.

OBJECTIVE:
The aim of this study was to evaluate the efficacy of idebenone administration and define the optimal dosage.

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