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Erschienen in:
01.09.2018 | Systematic Review
Disease-Modifying Therapies for Relapsing–Remitting Multiple Sclerosis: A Network Meta-Analysis
Erschienen in: CNS Drugs | Ausgabe 9/2018
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Background
A broad range of disease-modifying therapies (DMTs) for relapsing–remitting multiple sclerosis (RRMS) is available. However, the efficacy and safety of traditional DMTs compared with the recently developed DMTs remain unclear.
Objective
Therefore, we have synthesised available evidence of clinical outcomes for DMTs in adults with RRMS.
Methods
PubMed, Scopus and a manual search were performed. Bayesian network meta-analyses of randomised clinical trials assessing DMTs as monotherapies were conducted. SUCRA and GRADE were used to rank therapies and to assess quality of general evidence, respectively.
Results
Thirty-three studies were included in the meta-analyses. The most effective therapies for the outcome of annualised relapse rate were alemtuzumab (96% probability), natalizumab (96%) and ocrelizumab (85%), compared with all other therapies (hazard ratio versus placebo, 0.31, 0.31 and 0.37, respectively; p < 0.05 for all comparisons) (high-quality evidence). However, no significant differences among these three therapies were found. Discontinuation due to adverse events revealed similarity across all therapies, except for alemtuzumab, which showed less discontinuation when compared with interferon-1a intramuscular (relative risk 0.37; p < 0.05).
Conclusion
High-quality evidence shows that alemtuzumab, natalizumab and ocrelizumab present the highest efficacy among DMTs, and other meta-analyses are required regarding adverse events frequency, to better understand the safety of therapies. Based on efficacy profile, guidelines should consider a three-category classification (i.e. high, intermediate and low efficacy).