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Dimethyl Fumarate: A Review in Relapsing-Remitting MS

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posted on 2019-12-01, 17:48 authored by Hannah A. Blair

Compliance with Ethical Standards

Funding The preparation of this review was not supported by any external funding.

Conflicts of interestHannah Blair is a salaried employee of Adis International Ltd/Springer Nature, is responsible for the article content and declares no relevant conflicts of interest.

Additional information about this Adis Drug Review can be found here.


Dimethyl fumarate (Tecfidera®) is approved for the treatment of relapsing forms of multiple sclerosis (MS). Based on evidence from the clinical trial and real-world settings, dimethyl fumarate is an effective treatment in this patient population, with benefits maintained over the longer term. In the pivotal, placebo-controlled phase III DEFINE and CONFIRM trials in adults with relapsing-remitting multiple sclerosis (RRMS), twice-daily dimethyl fumarate reduced clinical relapse and MRI measures of disease activity and improved some aspects of health-related quality of life (HR-QoL). Reduced disability progression was also observed with dimethyl fumarate in DEFINE. Results in predominantly East Asian patients (APEX trial) were reflective of those seen in DEFINE and CONFIRM. Dimethyl fumarate had an acceptable tolerability profile. The most common adverse events were flushing and gastrointestinal events, which were of mild or moderate severity and appear to be largely manageable. Thus twice-daily dimethyl fumarate remains an effective treatment option for use in patients with RRMS, with the convenience of oral administration.

© Springer Nature Switzerland AG 2019


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