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Hauser SL, Kappos L, Arnold DL, Bar-Or A, Brochet B, Naismith RT, Traboulsee A, Wolinsky JS, Belachew S, Koendgen H, Levesque V, Manfrini M, Model F, Hubeaux S, Mehta L, Montalban X. Five years of ocrelizumab in relapsing multiple sclerosis: OPERA studies open-label extension. Neurology 2020; 95:e1854-e1867. [PMID: 32690791 PMCID: PMC7682822 DOI: 10.1212/wnl.0000000000010376] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 04/10/2020] [Indexed: 12/27/2022] Open
Abstract
OBJECTIVE To assess over 3 years of follow-up the effects of maintaining or switching to ocrelizumab (OCR) therapy on clinical and MRI outcomes and safety measures in the open-label extension (OLE) phase of the pooled OPERA: I/II studies in relapsing multiple sclerosis. METHODS After 2 years of double-blind, controlled treatment, patients continued OCR (600 mg infusions every 24 weeks) or switched from interferon (IFN)-β-1a (44 μg 3 times weekly) to OCR when entering the OLE phase (3 years). Adjusted annualized relapse rate, time to onset of 24-week confirmed disability progression (CDP)/improvement (CDP), brain MRI activity (gadolinium-enhanced and new/enlarging T2 lesions), and percentage brain volume change were analyzed. RESULTS Of patients entering the OLE phase, 88.6% completed year 5. The cumulative proportion with 24-week CDP was lower in patients who initiated OCR earlier vs patients initially receiving IFN-β-1a (16.1% vs 21.3% at year 5; p = 0.014). Patients continuing OCR maintained and those switching from IFN-β-1a to OCR attained near complete and sustained suppression of new brain MRI lesion activity from years 3-5. Over the OLE phase, patients continuing OCR exhibited less whole brain volume loss from double-blind study baseline vs those switching from IFN-β-1a (-1.87% vs -2.15% at year 5; p < 0.01). Adverse events were consistent with past reports and no new safety signals emerged with prolonged treatment. CONCLUSION Compared with patients switching from IFN-β-1a, earlier and continuous OCR treatment up to 5 years provided sustained benefit on clinical and MRI measures of disease progression. CLASSIFICATION OF EVIDENCE This study provides Class III evidence that earlier and continuous treatment with OCR provided sustained benefit on clinical and MRI outcomes of disease activity and progression compared with patients switching from IFN-β-1a. The study is rated Class III because of the initial treatment randomization disclosure that occurred after inclusion in OLE. CLINICAL TRIAL IDENTIFIERS NCT01247324/NCT01412333.
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Affiliation(s)
- Stephen L Hauser
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Ludwig Kappos
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Douglas L Arnold
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Amit Bar-Or
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Bruno Brochet
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Robert T Naismith
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Anthony Traboulsee
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Jerry S Wolinsky
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Shibeshih Belachew
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Harold Koendgen
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA.
| | - Victoria Levesque
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Marianna Manfrini
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Fabian Model
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Stanislas Hubeaux
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Lahar Mehta
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
| | - Xavier Montalban
- From the Department of Neurology (S.L.H.), University of California, San Francisco; Neurologic Clinic and Policlinic (L.K.), Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital Basel, University of Basel, Switzerland; NeuroRx Research (D.L.A.); Departments of Neurology and Neurosurgery (D.L.A.), McGill University, Montreal, Canada; Department of Neurology and Center for Neuroinflammation and Experimental Therapeutics (A.B.-O.), University of Pennsylvania, Philadelphia; Department of Neurology (B.B.), CHU de Bordeaux, France; Department of Neurology (R.T.N.), Washington University School of Medicine, St. Louis, MO; Division of Neurology (A.T.), Department of Medicine, University of British Columbia, Vancouver, Canada; Department of Neurology (J.S.W.), McGovern Medical School, University of Texas Health Science Center at Houston (UTHealth); F. Hoffmann-La Roche Ltd (S.B., H.K., M.M., F.M., S.H.), Basel, Switzerland; Genentech, Inc. (V.L., L.M.), South San Francisco, CA; Division of Neurology (X.M.), University of Toronto, Canada; and Department of Neurology-Neuroimmunology (X.M.), Vall d'Hebron University Hospital, Barcelona, Spain. During completion of the work related to this article, S.B. and L.M. were employees of F. Hoffmann-La Roche Ltd; current affiliations are Biogen (S.B.), Cambridge, MA; and Alder Biopharmaceuticals Inc. (L.M.), Bothell, WA
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