Double Blind RCT of Bicifadine SR in Outpatients With Chronic Neuropathic Pain Associated With Diabetes

Inclusion Criteria: * Male or female, 18 years or older * Diagnosis of type-1 or type 2 non-insulin dependent diabetes mellitus * Chronic bilateral pain due to diabetic neuropathy * Pain for at least six months * Primary pain is located in the feet * Others-contact site for information Exclusion Criteria: * Symptoms of other painful conditions * Presence of amputations other than toes * Clinically significant psychiatric or other neurological disorder * Use of certain medications * Clinically important other diseases * Pregnancy * History of alcohol or narcotic abuse within two years * Others-contact site for information