Clinical Trial to Evaluate the Efficacy and Safety of 'GLA5PR GLARS-NF1 Tab.' in Peripheral Neuropathic Pain

Inclusion Criteria: * both male and female who are over 19-year-old * patient whose pain scale is 4\~9 * patient who has pain of mononeuropathy Exclusion Criteria: * patient whose CCr is \<60ml/min * patient who has other pain which is not from mononeuropathy * patient who is going to have an operation during this study * patient who has abnormal ECG