“P097 | SEQUENTIAL MACHINE LEARNING MODELS FOR PREDICTING ONABOTULINUMTOXINA RESPONSE IN CHRONIC MIGRAINE: A COHORT STUDY: G. Vigani1, M. Romozzi2|3, A. Burgalassi1, A. Lokhawandala4, C. Vollono2|3, P. Calabresi2|3, F. Tascedda5, A. Chiarugi1|6, F. De Cesaris1, L. Francesco Iannone7 | 1Headache Center and Clinical Pharmacology Unit, Careggi University Hospital, Florence, Italy; 2Dipartimento Universitario Di Neuroscienze, Università Cattolica del Sacro Cuore, Rome, Italy; 3Neurologia, Dipartimento Di Neuroscienze, Organi Di Senso E Torace, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy; 4Drexel University, Philadelphia, USA; 5Department of Life Sciences, University of Modena and Reggio Emilia, Italy; 6Section of Clinical Pharmacology and Oncology, Department of Health Sciences, University of Florence, Italy; 7Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Italy”. 2026. Confinia Cephalalgica 36 (s1). https://doi.org/10.4081/cc.2026.16053.