Background: Ataxia-telangiectasia (AT) is an autosomal recessive neurodegenerative disorder caused by variants of ATM (ataxia telangiectasia mutated) gene. These patients develop metabolic changes over time. We aimed to assess the correlation between neurological features, nutritional status, and in AT patients.Methods: Cross-sectional study with prospective data from 25 aged 5 31 years.Results...