In this protocol, a combination of MRI, blood, and cerebrospinal fluid (CSF) analysis will be used to understand the natural history, underlying immunologic mechanisms, and clinical implications of central nervous system (CNS) lesions, in particular lesions in the c...

The overall goal of this study is to elucidate a mechanism by which vancomycin modulates the gut-brain axis in multiple sclerosis (MS). The gut microbiome plays an important role in autoimmunity, including MS. However, the identity of gut microbes modulating neuro...

This study is a prospective, multi-center, randomized, double blinded, placebo-controlled study of OCR treatment-discontinuation in patients with early RMS. All eligible participants will be initiated on OCR using the standard approved administration schedule of two...

This is a multicenter, randomized, double-blind, placebo-controlled, Phase 4 study in which eligible patients with RADIOLOGICALLY ISOLATED SYNDROME (RIS) (as defined by meeting 2017 McDonald criteria for DIS) will be randomized 1:1 to receive ocrelizumab treatment o...

Primary Objective: To determine the efficacy of SAR442168 compared to placebo in delaying disability progression in primary progressive multiple sclerosis (PPMS) Secondary Objectives: To evaluate efficacy of SAR442168 compared to placebo on clinical endpoi...

Primary Objective: To determine the efficacy of SAR442168 compared to placebo in delaying disability progression in NRSPMS Secondary Objective: To evaluate efficacy of SAR442168 compared to placebo on clinical endpoints, magnetic resonance imaging (MRI) ...

FDA-approved multiple sclerosis (MS) disease-modifying therapies (DMTs) target the relapsing phase of MS but have minimal impact once the progressive phase has begun. It is unclear if, in the relapsing phase, there is an advantage of early aggressive therapy with re...

The purpose of this study is to demonstrate the superiority of MD1003 over placebo in the disability of patients suffering from progressive multiple sclerosis and especially those with gait impairment.

This clinical study compares the efficacy, safety, and tolerability of therapy with ponesimod vs placebo in subjects with active RMS who are treated with DMF (Tecfidera®).

This study will evaluate the efficacy and safety of ocrelizumab in participants with RRMS who have had a suboptimal response to an adequate course of DMT. Participants will receive ocrelizumab as an initial dose of two 300-milligrams (mg) intravenous (IV) infusions (6...

This study will evaluate the efficacy and safety of ocrelizumab in participants with RRMS who have had a suboptimal response to an adequate course of DMT. Participants will receive ocrelizumab as an initial dose of two 300-milligrams (mg) intravenous (IV) infusions (6...