The present invention is to provide a medicament for treating and/or preventing tauopathy by activating the voltage-gated sodium channel (Nav). The present invention relates to a medicament for treating and/or preventing tauopathy, comprising a Nav activator as an active ingredient.
[EN] FIVE-MEMBERED HETEROARYL RING BRIDGED RING DERIVATIVE, PREPARATION METHOD THEREFOR AND MEDICAL USE THEREOF<br/>[FR] DÉRIVÉ D'ANNEAU PONTÉ À CYCLE HÉTÉROARYLE À CINQ CHAÎNONS, SON PROCÉDÉ DE PRÉPARATION ET SON UTILISATION MÉDICALE<br/>[ZH] 五元杂芳环并桥环类衍生物、其制备方法及其在医药上的应用