Assessing treatment response in pediatric multiple sclerosis patients (P16-4.003)

To explore whether in pediatric multiple sclerosis (MS) patients treated with interferon-b (IFN-b) increases in the number of MRI lesions, clinical relapses or disability worsening over the first year of treatment or combination of them could be able to predict treatment failure, and to identify a score of treatment response specific for pediatric patients.