Overview Study to Evaluate the Efficacy and Safety of Erenumab (AMG 334) in Migraine Prevention Status: Completed Trial end date: 2017-06-19 Target enrollment: Participant gender: Summary The primary objective of the study was to evaluate the effect of erenumab compared to placebo on the change from baseline in monthly migraine days. Phase: Phase 3 Details Lead Sponsor: AmgenTreatments: Erenumab