Patent ID: 7977373

Claim:
A prodrug represented by an ion channel modulating compound attached to a prodrug moiety, wherein the ion channel modulating compound is a compound of formula (IA), or a pharmaceutically acceptable salt, a stereoisomers or a stereoisomeric mixture thereof: wherein, R 7 , R 8 and R 9 are independently selected from hydrogen, hydroxy and C 1 -C 6 alkoxy, with the proviso that R 7 , R 8 and R 9 cannot all be hydrogen; wherein the prodrug moiety is selected from the group consisting of: wherein: each n is an integer from 1 to 10; R′ and R″ are independently selected from hydrogen and C 1 -C 6 alkyl; each R is independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl and substituted alkynyl; R′″ is alkylene; and each X′ is independently selected from O, NH, S or CH 2 ; and wherein at least one valency of the compound of formula (IA) is substituted with a bond to the prodrug moiety.