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Multiple sclerosis can follow very different patterns of evolution and variable rates of disability accumulation. This raises the issue whether it represents one or several distinct diseases. We assessed demographic and clinical characteristics in 1844 patients with multiple sclerosis that we categorized according to the classification of Lublin and(More)
BACKGROUND The course and prognosis of childhood-onset multiple sclerosis have not been well described. METHODS We used data from 13 adult neurology departments affiliated with the European Database for Multiple Sclerosis (EDMUS) network to identify a cohort of 394 patients who had multiple sclerosis with an onset at 16 years of age or younger and a(More)
Prognosis of multiple sclerosis is highly variable. Clinical variables have been identified that are assessable early in the disease and are predictors of the time from the disease onset to the onset of irreversible disability. Our objective was to determine if these clinical variables still have an effect after the first stages of disability have been(More)
DNA repair is essential to maintain genome integrity, and genes with roles in DNA repair are frequently mutated in a variety of human diseases. Repair via homologous recombination typically restores the original DNA sequence without introducing mutations, and a number of genes that are required for homologous recombination DNA double-strand break repair(More)
BACKGROUND Teriflunomide is a new oral disease-modifying therapy for relapsing forms of multiple sclerosis. METHODS We concluded a randomized trial involving 1088 patients with multiple sclerosis, 18 to 55 years of age, with a score of 0 to 5.5 on the Expanded Disability Status Scale and at least one relapse in the previous year or at least two relapses(More)
The prognostic factors for relapse of the initial MRI findings after a first episode of acute CNS inflammatory demyelination are unclear in children. In this study we aimed to identify initial MRI factors that are predictive of a second attack and disability after a first episode of acute CNS inflammatory demyelination in childhood. A cohort of 116 children(More)
Many efforts have been devoted to the description of the prognosis of multiple sclerosis and its possible influential factors in terms of time to reach disability milestones. By contrast, the age at which patients with multiple sclerosis reach these milestones has not yet stirred much interest. We have tested the hypothesis whether the prognosis of multiple(More)
The influence of pregnancy in multiple sclerosis has been a matter of controversy for a long time. The Pregnancy in Multiple Sclerosis (PRIMS) study was the first large prospective study which aimed to assess the possible influence of pregnancy and delivery on the clinical course of multiple sclerosis. We report here the 2-year post-partum follow-up and an(More)
A comprehensive knowledge of the natural course and prognosis of multiple sclerosis is of utmost importance for a physician to make it affordable in simple descriptive terms to a patient when personal and medical decisions are to be taken. It is still topical because the currently acknowledged disease-modifying agents only marginally alter the overall(More)