Diabetic peripheral neuropathy is the most common type of diabetic nerve damage, occurring most often in the feet but can occur in the hands or other areas of the body as well. Progression of neuropathy symptoms can be slowed with proper control of blood glucose levels and other oxidizing stressors to the body. Control of average blood glucose levels is the most important action to take because it can help prevent further nerve damage.

Alpha-Lipoic Acid and Diabetic Neuropathy
Alpha-lipoic acid seems to delay or reverse peripheral diabetic neuropathy through its multiple antioxidant properties.

Diabetic Peripheral Neuropathy: 3 Protocols to Prevent & Reverse Nerve Damage

Molecule found to be source of diabetic neuropathy pain
The trial, conducted on mice, showed pain caused by diabetic neuropathy is due to the over-activity of a particular molecule called HCN2. By blocking it the researchers were able to remove the sensation of pain, which could form the basis of significant future treatments.

Neuropathy: What Is It & Can It Be Cured?
This article includes a nice list of documented resources.

Understanding diabetic neuropathy symptoms
This is a very poorly translated article written by someone whose first language is not English! Still–if you can look beyond that and try to figure out what the meanings of words and phrases should be–you can probably glean some useful information!