I was recently told about Nerve Growth Factor by my Orthopedist and have performed a little research today on it.
It appears that this could offer some hope for the repair of neuron damage.
They speak about it's possibilities HIV based neuropathy, but from what I have read other trials have shown NGF's efficacy with other neuropathies, including peripheral neuropathy.
Take a look at these articles: The company has since shutdown, but there are other trials from what I am reading.
http://medcitynews.com/2011/02/perip...inical-trials/
http://www.news-medical.net/news/201...rs.aspx?page=2