A Study of ONO-1110 in Patients With Postherpetic Neuralgia

Inclusion Criteria:

• Japanese (both sexes)

• Age (at the time of informed consent): 18 years and older

• Outpatient

• Patients with persistent pain ≥3 months (90 days) after the onset of herpes zoster

• Patients who are considered capable of understanding the study procedures andcompleting the pain diary and questionnaires appropriately by the investigator (sub-investigator)

Exclusion Criteria:

• Patients who previously underwent neurodestruction or neurosurgical therapy for PHN

• Patients with pain other than PHN that may affect assessments in this study

• Patients with any skin condition related to the site of herpes zoster that mayaffect assessments in this study

• Patients with a past history of or concurrent neurologic diseases that may affectassessments in this study

• Patients with concurrent psychiatric diseases that may affect assessments in thisstudy