Clinical studies are for medical people CatVersusRoomba. Your in the wrong forum if not the wrong site altogether. Read DesertLilis posts in this thread, and you may learn something of value.
Medication will just mask the pain and underlying symptoms without addressing the true cause. Allopathy is very good at disease-management but not at curing anything.
Only the body heals itself.
The title of this website should give you a clue: "EDUCATING INSTEAD OF MEDICATING".