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When the transition to SPMS occurs


Prior to the availability of the approved disease-modifying therapies, studies indicated that 50 percent of those diagnosed with relapsing-remitting MS (RRMS) would transition to secondary-progressive MS (SPMS) within 10 years, and 90 percent would transition within 25 years.

While MS experts agree that the medications have an impact on disease progression, it is too soon to tell the extent to which the disease-modifying treatments alter or delay the transition to SPMS.

When Relapsing-Remitting Becomes Secondary-Progressive MS

Mary Hughes, MD, discusses when relapsing-remitting becomes secondary-progressive multiple sclerosis.


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