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Original Research

Modification of CSF findings in multiple sclerosis in the era of rapidly expanding treatment options

, &
Pages 277-283 | Received 25 Jun 2018, Accepted 13 Feb 2019, Published online: 27 Feb 2019
 

ABSTRACT

Background: The detection of cerebrospinal fluid (CSF)-specific oligoclonal bands (OCB) as well as an elevated antibody production directed against neurotrophic viruses remain hallmark findings in multiple sclerosis (MS). In general, individual patients show a unique pattern of OCB, which is believed to persist over time. Here, the authors revisited this assumption and investigated to what extent common anti-inflammatory MS medications can alter the level of immunoglobulins produced within the CSF.

Methods: The authors analyzed three patients and compared CSF findings longitudinally. Two of these patients received corticosteroids, either systemically or intrathecally, the third patient was treated continuously with natalizumab.

Results: In line with reports from other groups, the authors observed that continuous natalizumab treatment dampened the intrathecal immunoglobulin production in our patient. Exceeding this anticipated scenario, the authors detected that the continued administration of corticosteroids similarly reduced the production of CSF immunoglobulins, down to a level at which these parameters are considered normal.

Conclusion: These observations suggest that inflammatory CSF findings are more accessible to immunomodulatory MS treatment than previously thought, and that accordingly, their significance may transition from a sole diagnostic finding to a valuable therapeutic biomarker which may help to assess effective targeting of CNS-established inflammation in MS.

Declaration of interest

The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.

Reviewer disclosures

Peer reviewers on this manuscript have no relevant financial or other relationships to disclose.

Additional information

Funding

This paper was not funded.

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