18. 脊髄小脳変性症（多系統萎縮症を除く。）
［臨床試験数：59，薬物数：78（DrugBank：28），標的遺伝子数：44，標的パスウェイ数：59］
"Spinocerebellar degeneration", "SCD", "Spinocerebellar ataxia type I", "SCA1", "Spinocerebellar ataxia type II", "SCA2", "Spinocerebellar ataxia type III", "SCA3", "Machado-Joseph disease", "Spinocerebellar ataxia type VI", "SCA6", "Spinocerebellar ataxia type VII", "SCA7", "Spinocerebellar ataxia type X", "SCA10", "Spinocerebellar ataxia type XII", "SCA12", "Dentatorubural pallidoluysian atrophy", "Dentatorubropallidoluysial atrophy", "DRPLA", "Naito-Koyanagi disease", "Friedreich ataxia", "FRDA", "Ataxia with vitamin E deficiency", "AVED", "Early-onset ataxia with ocular motor ataxia and hypoalbuminemia", "EOAH"