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de la Hera B, Urcelay E, Brassat D, Chan A, Vidal-Jordana A, Salmen A, Villar LM, Alvarez-Cermeño JC, Izquierdo G, Fernández O, Oliver B, Saiz A, Ara JR, Vigo AG, Arroyo R, Meca V, Malhotra S, Fissolo N, Horga A, Montalban X, Comabella M. Natalizumab-related anaphylactoid reactions in MS patients are associated with HLA class II alleles. NEUROLOGY-NEUROIMMUNOLOGY & NEUROINFLAMMATION 2014; 1:e47. [PMID: 25520955 PMCID: PMC4268037 DOI: 10.1212/nxi.0000000000000047] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Accepted: 10/13/2014] [Indexed: 11/15/2022]
Abstract
Objectives: We aimed to investigate potential associations between human leukocyte antigen (HLA) class I and class II alleles and the development of anaphylactic/anaphylactoid reactions in patients with multiple sclerosis (MS) treated with natalizumab. Methods: HLA class I and II genotyping was performed in patients with MS who experienced anaphylactic/anaphylactoid reactions and in patients who did not develop infusion-related allergic reactions following natalizumab administration. Results: A total of 119 patients with MS from 3 different cohorts were included in the study: 54 with natalizumab-related anaphylactic/anaphylactoid reactions and 65 without allergic reactions. HLA-DRB1*13 and HLA-DRB1*14 alleles were significantly increased in patients who developed anaphylactic/anaphylactoid reactions (pM-H = 3 × 10−7; odds ratio [OR]M-H = 8.96, 95% confidence interval [CI] = 3.40–23.64), with a positive predictive value (PPV) of 82%. In contrast, the HLA-DRB1*15 allele was significantly more represented in patients who did not develop anaphylactic/anaphylactoid reactions to natalizumab (pM-H = 6 × 10−4; ORM-H = 0.2, 95% CI = 0.08–0.50), with a PPV of 81%. Conclusions: HLA-DRB1 genotyping before natalizumab treatment may help neurologists to identify patients with MS at risk for developing serious systemic hypersensitivity reactions associated with natalizumab administration.
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Affiliation(s)
- Belén de la Hera
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Elena Urcelay
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - David Brassat
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Andrew Chan
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Angela Vidal-Jordana
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Anke Salmen
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Luisa Maria Villar
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - José Carlos Alvarez-Cermeño
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Guillermo Izquierdo
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Oscar Fernández
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Begoña Oliver
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Albert Saiz
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Jose Ramón Ara
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Ana G Vigo
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Rafael Arroyo
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Virginia Meca
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Sunny Malhotra
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Nicolás Fissolo
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Alejandro Horga
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Xavier Montalban
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
| | - Manuel Comabella
- Department of Immunology (B.d.l.H., E.U., A.G.V.) and Department of Neurology, Multiple Sclerosis Unit (R.A.), Hospital Clínico San Carlos (IdISSC), Madrid, Spain; Pole des neurosciences et INSERM U1043 (D.B.), Université de Toulouse III, Hopital Purpan, Toulouse, France; Department of Neurology (A.C., A. Salmen), St. Josef-Hospital, Ruhr University, Bochum, Germany; Servei de Neurologia-Neuroimmunologia (A.V.-J., S.M., N.F., A.H., X.M., M.C.), Centre d'Esclerosi Múltiple de Catalunya (Cemcat), Institut de Recerca Vall d'Hebron (VHIR), Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Spain; Departments of Neurology and Immunology (L.M.V., J.C.A.-C.), Hospital Universitario Ramón y Cajal, Instituto Ramón y Cajal de Investigacion Sanitaria, Madrid, Spain; Hospital Universitario Virgen Macarena (G.I.), Seville, Spain; Unidad de Gestión Clínica de Neurociencias (O.F., B.O.), Instituto de Biomedicina de Málaga (IBIMA), Hospital Universitario Regional de Málaga, Universidad de Málaga, Spain; Service of Neurology (A. Saiz), Hospital Clínic, Universitat de Barcelona and Institut d´Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Department of Biochemistry, Molecular and Cellular Biology (J.R.A.), Science Faculty, University of Zaragoza, Spain; and Fundación de Investigación Biomédica (V.M.), Hospital Universitario de la Princesa, Madrid, Spain
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