Multiple Sclerosis: Chi3L1 and Treatment Efficacy

Chi3L1: A Marker of Efficacy of Platform Treatments in Relapsing-onset Multiple Sclerosis: A Prognostic Study on Existing Clinical Data and Biological Samples

Chitinase 3-like 1 (Chi3L1) is a Human protein synthetized by inflammatory cells. Its serum level increases in case of autoimmune diseases, and especially during multiple sclerosis (MS). There is a need for biological markers predictive of treatment efficacy. MS outcomes one year from treatment initiation are predictive of long-term treatment efficacy. The hypothesis is that serum Chi3L1 level before treatment initiation could predict one year MS outcomes. Primary objective: to show an association between the serum Chi3L1 level at diagnostic assessment and the clinical and radiological efficacy one year from initiation of the first disease modifying treatment (interferon beta, dimethyl fumarate or teriflunomide) in relapsing-onset multiple sclerosis (MS). Secondary objectives: to determine the threshold value of the serum Chi3L1 level predicting the efficacy of treatment, and the added value of other potential biomarkers in cerebrospinal fluid collected at diagnostic assessment: Chi3L1, light chains of neurofilaments and interleukin 6.

Multiple Sclerosis: Chi3L1 and Treatment Efficacy

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