Journal
JOURNAL OF NEUROLOGY
Volume 267, Issue 10, Pages 3008-3020Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00415-020-09959-1
Keywords
Multiple sclerosis; Dimethyl fumarate; Teriflunomide; Efficacy; Safety
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Background The introduction of oral disease-modifying therapies (DMTs) for relapsing-remitting multiple sclerosis (RRMS) changed algorithms of RRMS treatment. Objectives To compare the effectiveness of treatment with dimethyl fumarate (DMF) and teriflunomide (TRF) in a large multicentre Italian cohort of RRMS patients. Materials and Methods Patients with RRMS who received treatment with DMF and TRF between January 1st, 2012 and December 31st, 2018 from twelve MS centers were identified. The events investigated were time-to-first-relapse, time-to-Magnetic-Resonance-Imaging (MRI)-activity and time-to-disability-progression. Results 1445 patients were enrolled (1039 on DMF, 406 on TRF) and followed for a median of 34 months. Patients on TRF were older (43.5 +/- 8.6 vs 38.8 +/- 9.2 years), with a predominance of men and higher level of disability (p < 0.001 for all). Patients on DMF had a higher number of relapses and radiological activity (p < .05) at baseline. Time-varying Cox-model for the event time-to-first relapse revealed that no differences were found between the two groups in the first 38 months of treatment (HRt < 38DMF = 0.73, CI = 0.52 to 1.03, p = 0.079). When the time-on-therapy exceeds 38 months patients on DMF had an approximately 0.3 times lower relapse hazard risk than those who took TRF (HRt>38DMF = 3.83, CI = 1.11 to 13.23, p = 0.033). Both DMTs controlled similarly MRI activity and disability progression. Conclusions Patients on DMF had higher relapse-free survival time than TRF group after the first 38 months on therapy.
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