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Fox RJ, Cree BAC, de Sèze J, Gold R, Hartung HP, Jeffery D, Kappos L, Montalban X, Weinstock-Guttman B, Singh CM, Altincatal A, Belviso N, Avila RL, Ho PR, Su R, Engle R, Sangurdekar D, de Moor C, Fisher E, Kieseier BC, Rudick RA. Temporal Relationship Between Serum Neurofilament Light Chain and Radiologic Disease Activity in Patients With Multiple Sclerosis. Neurology 2024; 102:e209357. [PMID: 38648580 PMCID: PMC11175646 DOI: 10.1212/wnl.0000000000209357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 02/22/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND AND OBJECTIVES Serum neurofilament light chain (sNfL) levels correlate with multiple sclerosis (MS) disease activity, but the dynamics of this correlation are unknown. We evaluated the relationship between sNfL levels and radiologic MS disease activity through monthly assessments during the 24-week natalizumab treatment interruption period in RESTORE (NCT01071083). METHODS In the RESTORE trial, participants with relapsing forms of MS who had received natalizumab for ≥12 months were randomized to either continue or stop natalizumab and followed with MRI and blood draws every 4 weeks to week 28 and again at week 52 The sNfL was measured, and its dynamics were correlated with the development of gadolinium-enhancing (Gd+) lesions. Log-linear trend in sNfL levels were modeled longitudinally using generalized estimating equations with robust variance estimator from baseline to week 28. RESULTS Of 175 patients enrolled in RESTORE, 166 had serum samples for analysis. Participants with Gd+ lesions were younger (37.7 vs 43.1, p = 0.001) and had lower Expanded Disability Status Scale scores at baseline (2.7 vs 3.4, p = 0.017) than participants without Gd+ lesions. sNfL levels increased in participants with Gd+ lesions (n = 65) compared with those without (n = 101, mean change from baseline to maximum sNfL value, 12.1 vs 3.2 pg/mL, respectively; p = 0.003). As the number of Gd+ lesions increased, peak median sNfL change also increased by 1.4, 3.0, 4.3, and 19.6 pg/mL in the Gd+ lesion groups of 1 (n = 12), 2-3 (n = 18), 4-9 (n = 21), and ≥10 (n = 14) lesions, respectively. However, 46 of 65 (71%) participants with Gd+ lesions did not increase above the 95th percentile threshold of the group without Gd+ lesions. The initial increase of sNfL typically trailed the first observation of Gd+ lesions, and the peak increase in sNfL was a median [interquartile range] of 8 [0, 12] weeks after the first appearance of the Gd+ lesion. DISCUSSION Although sNfL correlated with the presence of Gd+ lesions, most participants with Gd+ lesions did not have elevations in sNfL levels. These observations have implications for the use and interpretation of sNfL as a biomarker for monitoring MS disease activity in controlled trials and clinical practice.
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Affiliation(s)
- Robert J Fox
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Bruce A C Cree
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Jérôme de Sèze
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Ralf Gold
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Hans-Peter Hartung
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Douglas Jeffery
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Ludwig Kappos
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Xavier Montalban
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Bianca Weinstock-Guttman
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Carol M Singh
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Arman Altincatal
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Nicholas Belviso
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Robin L Avila
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Pei-Ran Ho
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Ray Su
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Robert Engle
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Dipen Sangurdekar
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Carl de Moor
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Elizabeth Fisher
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Bernd C Kieseier
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
| | - Richard A Rudick
- From the Mellen Center for Multiple Sclerosis (R.J.F.), Neurological Institute, Cleveland Clinic, OH; Department of Neurology (B.A.C.C.), Weill Institute for Neurosciences, University of California San Francisco; Department of Neurology (J.S.), Hôpital Civil, Strasbourg, France; Department of Neurology (R.G.), St. Josef Hospital, Ruhr University, Bochum, Germany; Department of Neurology (H.-P.H.), Heinrich Heine University, Düsseldorf, Germany; Brain and Mind Center, University of Sydney, Australia; Department of Neurology, Palacky University Olomouc, Czech Republic; Piedmont HealthCare (D.J.), Mooresville, NC; Research Center for Clinical Neuroimmunology and Neuroscience and MS Center (L.K.); Departments of Head, Spine and Neuromedicine, Clinical Research and Biomedical Engineering, University Hospital and University of Basel, Switzerland; Vall d'Hebron University Hospital (X.M.), Barcelona, Spain; Jacobs Multiple Sclerosis Center and Pediatric Multiple Sclerosis Center of Excellence (B.W.-G.), Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY; and Biogen (C.M.S., A.A., N.B., R.L.A., P.-R.H., R.S., R.E., D.S., C.M., E.F., B.C.K., R.A.R.), Cambridge, MA
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