Fig. 2

Timeline and study procedures. MIDAS: MIgraine Disability Assessment. MIDAS^Res: Patients with a MIDAS score reduction of at least 50% at T3. MMD^Res: Patients with a MMDs reduction of at least 50% at T3. Responders^T13: Patients with a MMDs reduction from baseline of at least 50% in the last 4 weeks of observation period (after 13 erenumab administrations). T3, T6, T9, T12: follow-up visits at three, six, nine, and twelve months after first erenumab administration