“OC-09 | Atogepant in Treatment-Refractory Chronic Migraine: Is a Revision of Current Criteria for Refractory Migraine Appropriate? Lorenzo Tartaglione, Marcello Silvestro, Ilaria Orologio, Marcella Marziani, Francesco Maurizio Chianese, Pasquale Sozio, Alessandro Tessitore, Gioacchino Tedeschi, Antonio Russo | Headache Center, Department of Advanced Medical and Surgical Sciences (DAMSS), University of Campania ‘Luigi Vanvitelli’, Naples, Italy”. 2025. Confinia Cephalalgica 35 (S1). https://doi.org/10.4081/cc.2025.15806.