Cohort Study | Association of early progression independent of relapse activity with long-term disability after a first demyelinating event in MS

Association of Early Progression Independent of Relapse Activity With Long-term Disability After a First Demyelinating Event in Multiple Sclerosis – JAMA Neurology

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Study suggests that presenting with progression independent of relapse activity (PIRA) after a first demyelinating event in multiple sclerosis is an unfavorable long-term prognosis, especially if it occurs early in the disease course. https://t.co/Mao0Wf8GXI

— JAMA Neurology (@JAMANeuro) December 19, 2022