Биомаркировщик индекса CXCL13 предсказывает успех или неудачу медикаментозно-модифицирующей терапии при множественном склерозе;
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Pachner Andrew R, Pike Steven C, Smith Andrew D, Gilli Francesca
Аннотация
Оригинал публикации
The CXCL13 index biomarker predicts success or failure of moderate-efficacy disease-modifying therapies in multiple sclerosis; A real-world study.
BACKGROUND AND OBJECTIVES: Currently there are no biomarkers that can reliably guide clinicians at the onset of MS, choosing between low-risk moderate efficacy disease-modifying therapies(ME-DMTs) and stronger, but higher-risk high-efficacy disease-modifying therapies(HE-DMTs) . The objective of this work was to analyze whether the CXCL13 index (ICXCL13), a measure of intrathecal synthesis of CXCL13, can predict whether ME-DMTs will be a success or failure in controlling MS activity in a real-world study.
METHODS: 109 patients with MS at Dartmouth-Hitchcock Medical Center who underwent a lumbar puncture were followed clinically for a minimum of two years. Cerebrospinal fluid(CSF) and serum were banked, tested for CXCL13 concentrations by Luminex and ELISA, and ICXCL13 calculated.
RESULTS: Patients with clinically isolated syndrome (CIS) were divided into those with a low or high ICXCL13.(LOCIS or HI-CIS). A low ICXCL13 predicted that ME-DMT or no DMT would be successful in achieving NEDA(no evidence of disease activity), while a high ICXCL13 predicted failure of ME-DMTs to achieve NEDA. The ICXCL13 outperformed other potential predictive biomarkers in CIS.
DISCUSSION: CIS represents a "window of opportunity" for optimal treatment with DMTs, but the optimal strategy is controversial, and what is urgently needed is a biomarker with a high negative and positive predictive value. The data from this study indicates that patients with CIS do well with ME-DMTs or no DMTs if the ICXCL13 is low, but fail treatment with ME-DMTs if the ICXCL13 is high.