Lidocaine patches in postoperative and posttraumatic neuropathic chronic skin pain - A prospective, randomized, double-blinded, placebo-controlled, parrallel, multicentre, investigator initiated study according to clinical guidelines

The primary study objective is to evaluate lidocaine patches analgesic efficacy in patients with chronic (present for more than 3 months) postoperative or posttraumatic neuropathic cutaneous pain (PNCCP) in comparison with the situation before therapy (baseline situation) and in comparison with the placebo patches.