Jacob: It is not yet a treatment. It is a drug which is clinical trial to see if it is effective before it becomes a treatment. It is supposed to be neuroprotective and as such, unless it fails in humans, it will either slow progression, stop progression or reverse the progression of the disease. Even the makers don't know what ti will do since it did different things in the laboratory. The study is in Philadelphia and a certain number of visits are required. If you go back 3 or 4 days or so you'll see an informational posting I did on it. Paul H. Lauer ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn