Fig. 1.

Patient Flowchart and Disposition. All patients were started on 140-mg erenumab and received this dose from week 1 through week 12. After the initial 12 weeks of treatment, all patients had a dose reduction and received 70 mg erenumab from week 13 through week 24. From week 24 through week 52, patients continued with the dose with the highest efficacy (140-mg or 70-mg). Final evaluation was conducted at week 52