Timing of high-efficacy therapy in relapsing-remitting multiple sclerosis: A systematic review

Publication date: Available online 17 April 2017
Source:Autoimmunity Reviews
Author(s): Bernd Merkel, Helmut Butzkueven, Anthony L. Traboulsee, Eva Havrdova, Tomas Kalincik
BackgroundImmunotherapy initiated early after first presentation of relapsing-remitting multiple sclerosis is associated with improved long-term outcomes. One can therefore speculate that early initiation of highly effective immunotherapies, with an average efficacy that is superior to the typical first-line therapies, could further improve relapse and disability outcomes. However, the most common treatment strategy is to commence first-line therapies, followed by treatment escalation in patients who continue to experience on-treatment disease activity. While this monitoring approach is logical, the current lack of effective regenerative or remyelinating therapies behoves us to consider high-efficacy treatment strategies from disease onset (including induction therapy) in order to prevent irreversible disability.ObjectiveIn this systematic review, we evaluate the effect of high-efficacy immunotherapies at different stages of MS.MethodsA systematic review of literature reporting outcomes of treatment with fingolimod, natalizumab or alemtuzumab at different stages of MS was carried out.Results and conclusionsTwelve publications reporting relevant information were included in the systematic review. The literature suggests that treatment with high-efficacy immunotherapies is more potent in suppressing relapse activity when initiated early vs. with a delay after the MS diagnosis. The evidence reported for disability and MRI outcomes is inconclusive.



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