CORREALE , Jorge

: Traditionally, multiple sclerosis has been categorised by distinct clinical descriptors-relapsing-remitting, secondary progressive, and primary progressive-for patient care, research, and regulatory approval of medications. Accumulating evidence suggests that the clinical course of multiple sclerosis is better considered as a continuum, with...

In this Roadmap, Marrie and colleagues set out the steps needed to improve our understanding of the multiple sclerosis (MS) prodrome and develop standardized criteria for identifying individuals with prodromal MS, thereby facilitating trials of interventions that could slow progression to classical MS.A prodrome is an early set of signs or...