A Study to Investigate the Analgesic Efficacy of AZD2423 Compared With Placebo After 28 Days Treatment in Patients With Posttraumatic Neuralgia..

A Study to Investigate the Analgesic Efficacy of AZD2423 Compared With Placebo After 28 Days Treatment in Patients With Posttraumatic Neuralgia..

A study to investigate the analgesic efficacy of AZD2423 compared with placebo after 28 days treatment in patients with posttraumatic neuralgia.

Inclusion Criteria:

• Provision of signed informed consent form
• Males and female patients aged 18 to 80 years
• Patients with neuropathic pain due to peripheral nerve injury caused by trauma or surgery

Exclusion Criteria:

• Other paint that may confound assessment of neuropathic pain
• History of treatment failure with more than three adequate trials of treatment for neuropathic pain
• Central neuropathic pain conditions (caused by Central Nervous System injury/disease, eg. Stroke)