Clinical Research Directory

Inclusion Criteria: Patients must meet all of the following inclusion criteria to be eligible for inclusion in the study: * Patients with alopecia areata who start receiving this drug for the first time after the contract date of this study * Patients who have not participated in a clinical trial (clinical study) of this drug Exclusion Criteria: Patients meeting any of the following criteria will not be included in the study: * Patients previously enrolled in this study * Patients with a history of treatment with this drug (including investigational product)