Dataset Information

Dimethyl fumarate in multiple sclerosis: latest developments, evidence and place in therapy.

ABSTRACT: Dimethyl fumarate (DMF) is one of the newer additions to the armamentarium of potent immunomodulators for the treatment of relapsing-remitting multiple sclerosis (RRMS). After more than 2 years of real-world experience and more than 190,000 patients currently treated with DMF worldwide, it is a good timepoint to review the experience gathered so far and to re-evaluate the potential of this first-line oral multiple sclerosis (MS) drug. Post-hoc analyses of clinical and magnetic resonance imaging (MRI) data, some comprising more than 6 years of drug exposure including patients from the clinical trials, and the overall notion in clinical practice widely confirm the good efficacy of DMF in RRMS. Despite an overall good safety profile, it became also clear that the necessary clinical vigilance while using DMF may not be neglected. So far, four reported cases of progressive multifocal leukoencephalopathy (PML), a towering shadow over many MS therapies, warrant proper attention in newly-updated risk management plans. This review recapitulates efficacy and safety aspects of DMF therapy in relation to reported data from the pivotal clinical trials. In addition, we summarize recent insights into DMF mechanisms of action drawn from the field of basic research which may have important implications for clinical practice.

SUBMITTER: Linker RA

PROVIDER: S-EPMC4935836 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature

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Dimethyl fumarate in multiple sclerosis: latest developments, evidence and place in therapy.

Linker Ralf A RA Haghikia Aiden A

Therapeutic advances in chronic disease 20160610 4

Dimethyl fumarate (DMF) is one of the newer additions to the armamentarium of potent immunomodulators for the treatment of relapsing-remitting multiple sclerosis (RRMS). After more than 2 years of real-world experience and more than 190,000 patients currently treated with DMF worldwide, it is a good timepoint to review the experience gathered so far and to re-evaluate the potential of this first-line oral multiple sclerosis (MS) drug. Post-hoc analyses of clinical and magnetic resonance imaging ...[more]

PMID: 27433310

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Project description:IntroductionLimited comparative effectiveness data for rituximab (RTX) versus natalizumab (NTZ), fingolimod (FTY), and dimethyl fumarate (DMF) for the treatment of multiple sclerosis (MS) exist.MethodsClinician-reported data on patients prescribed RTX, NTZ, FTY, or DMF for the treatment of MS at the Rocky Mountain MS Center at the University of Colorado were retrospectively collected. Outcomes included a composite effectiveness measure consisting of clinical relapse, contrast-enhancing lesions, and/or new T2 lesions, individual effectiveness outcomes, and discontinuation. Logistic regression was used on patients matched by propensity scores and using average treatment effect on treated doubly robust weighting estimator.ResultsA total of 182, 451, 271, and 342 patients initiated RTX, NTZ, FTY, and DMF and were followed for 2 years. Before and after adjustment, the odds of experiencing disease activity was significantly higher for FTY [adjusted OR (aOR) = 3.17 (95% CI: 1.81-5.55), P < 0.001].and DMF [aOR = 2.68 (95% CI:1.67-4.29), P < 0.001], and similar for NTZ [aOR = 1.36 (95% CI:0.83-2.23), P = 0.216] versus RTX. When examining months 6-24, NTZ demonstrated higher odds of disease activity compared to RTX [aOR = 2.21 (95% CI: 1.20-4.06), P = 0.007]. Similar odds of discontinuation were seen between NTZ and RTX [aOR = 1.39 (95% CI: 0.88-2.20), P = 0.157]; however, FTY [aOR = 2.02 (95% CI: 1.24-3.30), P = 0.005] and DMF [aOR = 3.27 (95% CI: 2.15-4.97), P < 0.001] had greater odds of discontinuation than RTX.InterpretationRTX demonstrated superior effectiveness and discontinuation outcomes compared to FTY and DMF. Although RTX demonstrated similar effectiveness and discontinuation compared to NTZ, RTX had superior effectiveness during months 6-24 and fewer discontinuations when excluding discontinuations due to insurance issues. Results suggest superiority of RTX in reducing disease activity and maintaining long-term treatment in a real-world MS cohort.

Dataset Information

Dimethyl fumarate in multiple sclerosis: latest developments, evidence and place in therapy.

Publications

Dimethyl fumarate in multiple sclerosis: latest developments, evidence and place in therapy.

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