Read the link below, there's tons more information! There's so many applications...SF really needs to come out, so much potential for so many conditions!
http://www.google.com/patents/EP1407768A2?cl=en
The use of retigabine in the preparation of a medicament for: use in functional bowel disorders; neurodegenerative diseases; neuroprotection; tinnitus; preventing or reducing dependence on, or preventing or reducing tolerance or reverse tolerance to, a dependence - inducing agent; cancerous diseases; inflammatory processes; ophthalmic diseases; cognitive disorders; and migraine; and use as a centrally acting analgesic.
http://www.google.com/patents/EP1407768A2?cl=en