A Clinical Study of ONO-1110 in Patients With Hunner Type Interstitial Cystitis

Inclusion Criteria: * Japanese (both sexes) * Age (at the time of informed consent): 18 years and older * Outpatient * Patients who are considered capable of understanding the study procedures and completing the pain diary, bladder diary, and questionnaires appropriately by the investigator (sub-investigator） * Patients given a diagnosis of HIC by cystoscopy * Patients with chronic pelvic pain involving the bladder and lower urinary tract symptoms such as increased micturition and pollakiuria Exclusion Criteria: * Patients with a history and presence of chemical cystitis * Patients with a history of bladder augmentation or radical cystectomy * Patients with pain other than HIC that may affect assessments in this study * Patients with a past history of or concurrent neurologic diseases that may affect assessments in this study * Patients receiving medications for psychiatric disease