In certain embodiments, the present disclosure is directed to methods and uses for treating seizure disorders in a human in need thereof, wherein the methods and uses comprise conjointly administering N44-(6-fluoro-3,4-dihydro-1H-isoquinolin-2-yl)-2,6-dimethylphenyll-3,3-dimethylbutanamide (Compound A) and an antiseizure medication (ASM) to the human in amounts that are therapeutically effective when conjointly administered. The present disclosure is further directed to various improved methods of therapy and administration of Compound A.