Why the study?
Does prior treatment with interferon beta-1b improve long-term clinical and MRI outcomes in patients with primary progressive multiple sclerosis?
Does prior treatment with interferon beta-1b improve long-term clinical and MRI outcomes in patients with primary progressive multiple sclerosis?
Prior treatment with interferon beta-1b in primary progressive multiple sclerosis may have modest but beneficial long-term effects on clinical variables and brain atrophy development even 5 years after treatment cessation.
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May suggest lasting benefits of prior interferon beta-1b in PPMS; leaves open need for randomized confirmation.
Carmen Tur (2011) studied this question.
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