To prospectively validate MRI activity and neutralising anti-interferon antibody (NAb) during the first 6 months of interferon beta treatment as response indicators in multiple sclerosis (MS).
Dipartimento di Scienze Cliniche e Biologiche, Universita' di Torino, Ospedale San Luigi Gonzaga, Regione Gonzole, 10, I-10043 Orbassano, Torino, Italy. luca.durelli@unito.it