Study of NGX-4010 With the Use of Open Label Lidocaine (2.5%)/Prilocaine (2.5%) Cream for the Treatment of Postherpetic Neuralgia (PHN)
This study is an open-label multi-center to evaluate the tolerability of treatment with NGX-4010 use with pre-patch topical application of a topical anesthetic cream. This is an open-label study. No hypothesis testing will be performed.
Eligible subjects will have PHN and a level of pain at an intensity level deemed appropriate for open-label treatment with NGX-4010, as judged by the Investigator. Painful areas of up to a maximum of 1000 cm2 will be pre-treated with lidocaine (2.5%)/prilocaine (2.5%) cream for 60 minutes followed by a single, 60-minute application of NGX-4010. Subjects may be on chronic pain medication regimens, but currently will not be using any topical pain medications on the affected areas, such as non-steroidal anti-inflammatory drugs, menthol, methyl salicylate, local anesthetics including Lidoderm® (lidocaine patch 5%), steroids or capsaicin.
Allocation: Non-Randomized, Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
capsaicin 8%, Lidocaine (2.5%)/Prilocaine (2.5%) Cream
Anchor Research Center
Results (where available)
- Source: http://clinicaltrials.gov/show/NCT00916942
- Information obtained from ClinicalTrials.gov on July 15, 2010
Medical and Biotech [MESH] Definitions
A local anesthetic that is similar pharmacologically to LIDOCAINE. Currently, it is used most often for infiltration anesthesia in dentistry. (From AMA Drug Evaluations Annual, 1992, p165)
A local anesthetic and cardiac depressant used as an antiarrhythmia agent. Its actions are more intense and its effects more prolonged than those of procaine but its duration of action is shorter than that of bupivacaine or prilocaine.
An antiviral that is used in the prophylactic or symptomatic treatment of influenza A. It is also used as an antiparkinsonian agent, to treat extrapyramidal reactions, and for postherpetic neuralgia. The mechanisms of its effects in movement disorders are not well understood but probably reflect an increase in synthesis and release of dopamine, with perhaps some inhibition of dopamine uptake.
Pain in nerves, frequently involving facial SKIN, resulting from the activation the latent varicella-zoster virus (HERPESVIRUS 3, HUMAN). The two forms of the condition preceding the pain are HERPES ZOSTER OTICUS; and HERPES ZOSTER OPHTHALMICUS. Following the healing of the rashes and blisters, the pain sometimes persists.
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