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Neurology

Neurofilament Light Chain As An Indicator Of Exacerbation Prior To Clinical Symptoms In Multiple Sclerosis

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MULTIPLE SCLEROSIS AND RELATED DISORDERS

Edwards KR, Garten L, Button J, O’Connor J, Kamath V and Frazier C.

Mult Scler Relat Disord. 2019 Mar 23;31:59-61.

DOI: 10.1016/j.msard.2019.03.016

Background:

Biomarkers may be a sensitive measure of disease activity in patients with multiple sclerosis (pwMS).

Objective:

A pwMS had a marked increase of neurofilament light chain (NfL) in CSF 9-weeks prior to a clinical exacerbation.

Methods And Results:

Brain MRI, CSF, EDSS were measured at baseline, 6 weeks and 28 weeks. The patient had an exacerbation at week 15 of study but the NfL measured at week 6 were found to show a nearly 3-fold increase of CSF NfL levels prior to symptoms when the NfL levels were later measured.

Conclusion:

This is an example supporting the usefulness of NfL in monitoring disease activity in pwMS which may predict disease activity prior to a clinical exacerbation.