NGX-4010 for the Treatment of Postherpetic Neuralgia
The purpose of the study is determine if an investigational drug, NGX-4010 (high-concentration capsaicin dermal patches) is effective in treating pain associated with post-herpetic neuralgia (PHN).
Peripheral Nervous System Diseases
Drug: Capsaicin Dermal Patch
|Study Design:||Allocation: Randomized
Endpoint Classification: Safety/Efficacy Study
Primary Purpose: Treatment
|Official Title:||A Randomized, Double-Blind, Controlled Dose Finding Study of NGX-4010 for the Treatment of Postherpetic Neuralgia|
Participants will be randomly assigned to receive initial treatment according to one of three doses (application durations), and will receive either NGX-4010 patch (high-concentration capsaicin) or matching control (low-concentration capsaicin).
Participants who complete the study evaluations for 12 weeks will have the option of receiving up to 3 additional open-label re-treatments over 1 year.
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