Provided herein are methods of treating, preventing, ameliorating or managing a nonsense mutation mediated epileptic disease, comprising administering a 1,2,4-oxadiazole benzoic acid to a patient having a nonsense mutation mediated epileptic disease. In particular, provided herein are methods of treating, preventing, ameliorating or managing a CDKL5 and/or SCN1A (Dravet syndrome) nonsense mutation mediated epileptic disease.
