A Study Of Lidocaine Patch 5% Alone, Gabapentin Alone, And Lidocaine Patch 5% And Gabapentin In Combination For The Relief Of Pain In Patients With Diverse Peripheral Neuropathic Pain Conditions

Inclusion Criteria

• •1. Had a diagnosis of PHN, DN, CRPS, carpal tunnel syndrome, HIV neuropathy, idiopathic sensory neuropathy, or other peripheral neuropathy (upon mutual agreement of the sponsor and investigator)
• •2. Patients with PHN must have had pain \>3 months after rash healing
• •3. Patients with DN must have had Type I or II diabetes and painful distal symmetric sensorimotor polyneuropathy with or without dynamic allodynia of the lower extremities
• •4. Patients with CRPS must have met current IASP (International Association for the Study of Pain) diagnostic criteria
• •5. Patients with carpal tunnel syndrome must have had a diagnosis by combination clinical neurological examination (e.g., Phalen's and Tinel's signs), electrodiagnostic testing, and daily painful symptoms of at least 3 months' duration
• •6. Patients with HIV neuropathy must have had HIV, subjective symptoms of painful peripheral neuropathy, and daily painful symptoms of at least 3 months' duration
• •7. Patients with idiopathic sensory neuropathy must have had pain of at least 3 months' duration
• •8. Reached an average daily pain rating during the baseline week of pain ratings greater than 4 on the 0-to-10 numerical pain rating scale (Question 5 of the BPI)
• •9. Had never received an analgesic regimen that contained lidocaine or gabapentin