Evaluate Long-Term Safety and Efficacy of Pregabalin in Patients With Chronic Neuropathic Pain.

An Open-Label, Extension Safety and Efficacy Study of Pregabalin in Patients With Chronic Neuropathic Pain.

Evaluate long-term safety and efficacy of pregabalin in patients with chronic neuropathic pain.

Inclusion Criteria:

• Must have met the inclusion criteria for the preceding double-blind BID study in diabetic neuropathy or postherpetic neuralgia.
• Must have received study medication under double-blind conditions.

Exclusion Criteria:

• Patients cannot participate if they experienced a serious adverse event during the previous double-blind BID study which was determined to be related to the study medication.