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In French language, there is no standardized procedure to assess cognitive function in patients with multiple sclerosis (MS). Such an assessment is however very useful to determine the consequences of the disease on cognitive function, to evaluate the disease progression and the consequences of usual treatments on cognition. This study aimed to develop and(More)
To measure the prevalence of JCV-specific antibodies in a French cohort of MS patients treated with natalizumab and to identify risk factor(s) of JCV seropositivity. Progressive multifocal leukoencephalopathy (PML) risk may be stratified by anti-JCV antibody status, duration of natalizumab therapy (≥24 months) and prior exposure to immunosuppressive (IS)(More)
The autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS) is a cerebellar ataxia autosomal recessively inherited characterized by an ataxic and pyramidal syndrome usually occurring near two years of age. The spastic paraparesis progressively worsens and becomes the prominent sign. Sensorial and motor axonal peripheral neuropathy is frequently(More)
BACKGROUND Recent studies in multiple sclerosis (MS) showed longer survival times from clinical onset than older hospital-based series. However estimated median time ranges widely, from 24 to 45 years, which makes huge difference for patients as this neurological disease mainly starts around age 20 to 40. Precise and up-to-date reference data about(More)
Natalizumab is the first selective adhesion molecule inhibitor indicated for treatment of active relapsing-remitting multiple sclerosis (RRMS). Natalizumab has been available in France since April 2007. The aims of this study are to analyze demographic, clinical, and tolerance data from French patients with RRMS treated with natalizumab in actual clinical(More)
We aimed to evaluate the long-term (>2 years) outcome of acute and subacute myelopathies (ASM). We systematically followed-up consecutive patients presenting with a first episode of ASM, defined by spinal cord symptoms with an onset <3 weeks and duration >or=48 h. Patients with compressive or traumatic spinal cord lesions are excluded from this report. Our(More)
"Disease activity free" in relapsing-remitting multiple sclerosis (RRMS) is a new concept introduced by the results of the AFFIRM study. Our objective was to analyze the clinical and radiological efficacy of natalizumab treatment in actual clinical practice and compare it with the post hoc analysis of the AFFIRM study. All patients with RRMS who began(More)
BACKGROUND AND PURPOSE BIONAT is a French multicentric phase IV study of natalizumab (NTZ)-treated relapsing-remitting multiple sclerosis (MS) patients. The purpose of this study was to collect clinical, radiological and biological data on 1204 patients starting NTZ, and to evaluate the clinical/radiological response to NTZ after 2 years of treatment. (More)
OBJECTIVE To describe 2 unrelated patients with novel variations in the POLG1 gene and features undistinguishable from multiple sclerosis, ie, optic neuritis, brain white matter hyperintense areas, and unmatched cerebrospinal fluid oligoclonal bands. DESIGN Case report. SETTING University hospital. Patients  Both patients subsequently developed(More)
Our aim was to support the use of dalfampridine as a treatment for patients affected with hereditary spastic paraplegia (HSP). We performed a prospective, uncontrolled, proof of concept, open trial. We included 12 HSP patients defining the total group (TG) who received dalfampridine 10 mg twice daily for 2 weeks. Efficacy assessment was based on walking(More)