Emilio Portaccio, Matteo Betti, Ermelinda De Meo, Ilaria Addazio, Luisa Pastò, Lorenzo Razzolini, Rocco Totaro, Daniele Spitaleri, Alessandra Lugaresi, Eleonora Cocco, Marco Onofrj, Franco Di Palma, Francesco Patti, Davide Maimone, Paola Valentino, Valentina Torri Clerici, Alessandra Protti, Diana Ferraro, Giacomo Lus, Giorgia Teresa Maniscalco, Vincenzo Brescia Morra, Giuseppe Salemi, Franco Granella, Ilaria Pesci, Roberto Bergamaschi, Umberto Aguglia, Marika Vianello, Marta Simone, Vito Lepore, Pietro Iaffaldano, Giancarlo Comi, Massimo Filippi, Maria Trojano, Maria Pia Amato
OBJECTIVES: We investigated the occurrence and relative contribution of relapse-associated worsening (RAW) and progression independent of relapse activity (PIRA) to confirmed disability accrual (CDA) and transition to secondary progression (SP) in relapsing multiple sclerosis (MS). METHODS: Relapsing-onset MS patients with follow-up > / = 5 years (16,130) were extracted from the Italian MS Registry. CDA was a 6-month confirmed increase in Expanded Disability Status Scale (EDSS) score...
May 28, 2024: Journal of Neurology