P1392: INTERIM ANALYSIS OF FIRST IN HUMAN PHASE I-II CLINICAL TRIAL OF EX-VIVO GENE THERAPY FOR HURLER SYNDROME: AN UPDATE AT 3 YEAR FOLLOW-UP - Francesca Tucci; Giulia Consiglieri; Chiara Filisetti; Maurizio De Pellegrin; Renata Mellone; Francesca Fumagalli; Silvia Darin; Marina Sarzana; Stefano Scarparo; Francesca Ciotti; Paolo Silvani; Cristina Baldoli; et al. (HemaSphere, 2023)