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. 2009 Mar;16(3):424-6.
doi: 10.1111/j.1468-1331.2008.02519.x.

Natalizumab is effective as second line therapy in the treatment of relapsing remitting multiple sclerosis

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Natalizumab is effective as second line therapy in the treatment of relapsing remitting multiple sclerosis

N Putzki et al. Eur J Neurol. 2009 Mar.

Abstract

Background: Natalizumab has been recommended for the treatment of patients with relapsing remitting multiple sclerosis with insufficient response to interferon-beta (IFN-beta) or glatiramer acetate (GA).

Method: Prospective, observational study.

Results: We found a reduction of the annualized relapse rate from 2.1 under IFN-beta or GA to 0.2 one year after switching to natalizumab. There were 94% fewer gadolinium enhancing lesions with natalizumab.

Conclusion: Natalizumab reduced short term clinical and MRI activity in second line therapy and efficacy is comparable to first line therapy as demonstrated in the pivotal trials.

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