RecruitingPhase 3Drug trialAn Efficacy and Safety Study of Clemizole HCl in Patients With Lennox-Gastaut SyndromeThis is a multicenter, Phase 3, randomized, double-blind, placebo-controlled study designed to evaluate the efficacy and safety of clemizole HCL (EPX-100) as adjunctive therapy in children and adult participants with Lennox-Gastaut syndrome (LGS).