Suggest Treatment For Hands,feet And Abdominal Pain

I am a neuropathy patient who is suffering a slow slow death! Both hands, both feet, and abdominal area constantly burn, throb, the pain is intense despite all the pain meds, Lyrica, neurontin, etc.....I understand Sativex is under FDA trial in USA now, when will it be approved, how can I get into a trial, I have boxes of documentation but it doesn't help the endless suffering I go thru day in and out, any thoughts or advice on how to possible obtain Sativex? I am also on SS disability with little income, I. Cannot pay $30 for an answer, info I prob already have. BJL