Overview Study to Evaluate the Efficacy and Safety of Erenumab (AMG 334) Compared to Placebo in Migraine Prevention Status: Completed Trial end date: 2017-03-20 Target enrollment: Participant gender: Summary To evaluate the effect of erenumab compared to placebo on the change from baseline in monthly migraine days, in adults with episodic migraine. Phase: Phase 3 Details Lead Sponsor: AmgenTreatments: Erenumab