Epidemiology
and Genetics

Background: An estimated 85% of persons with multiple sclerosis (MS) present with relapsing-remitting (RRMS) disease. There are few large multi-state observational data sources in the...

Background: Tumefactive multiple sclerosis (TMS) is a rare variant of multiple sclerosis presenting with large inflammatory lesions that can mimic tumors or other space-occupying lesions....

Background: Neuromyelitis Optica Spectrum Disorder (NMOSD) is a rare, inflammatory CNS syndrome, which, left untreated, may result in significant disability or even death. Due to...

Background: NARCRMS is a longitudinal registry studying the course of MS in the disease-modifying era. Objectives: To examine motor performance metrics of upper and lower...