Efficacy of Erenumab on Functional Impact of Migraine

This is a single group, multicenter, open-label study with a study population of patients who meet International Classification of Headache Disorders 3rd edition (ICHD-III) criteria for migraine with or without aura and have 4 to 20 migraine days per month. This is a single-group supportive care study with one arm and no masking. A maximum of 54 participants will be enrolled to study intervention. All participants in this single-group study will complete a 4-week run-in period. After the run-in period, eligible participants will be enrolled to study intervention and enter a 12-week treatment period.