The present invention is a method for the treatment of pain comprising administering to a subject in need thereof a therapeutically effective amount of one or more novel benzo-fused heterocycle sulfamide derivatives of formula (I) and formula (II) as described herein. The present invention is further directed to methods for the treatment of pain comprising co-therapy with analgesic agent(s) and a compound of formula (I) or formula (II) as described herein.