Study To Evaluate Efficacy, Safety And Tolerability Of Lyrica In Patients With Painful Diabetic Peripheral Neuropathy

Inclusion Criteria:

• Male and female subjects aged 18 years or older
• Diagnosis of painful, distal, symmetrical, sensorimotor polyneuropathy which is due todiabetes mellitus (Type 1 or 2), and symptoms of painful diabetic neuropathy for 6months to 5 years (inclusive).
• At the baseline and randomization visits, a score of ≥50 mm on the Visual AnalogueScale, at randomization, subjects must have completed at least 5 daily paininterference diaries, and have an average daily pain score of ≥5 over the past 7 days.
• Patient who are willing and capable to comply with scheduled visits, treatment plan,laboratory tests, and other study procedures.
• Women of childbearing potential are willing to use contraception during study.

Exclusion Criteria:

• Subjects with more than 30% decrease on the Pain Visual Analog Scale at randomizationas compared to screening; and during the 1 week screening period, with more than onepain score <3 in pain scores.
• Subject has other kinds of neurological disorder, pain of other reason, or skincondition that could confuse the assessment.
• Subject with any other serious or unstable condition which in the opinion of theinvestigator might compromise participation in the study.