Publications by authors named "Mark Hellmann"

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Relapse and disability outcomes in incident MOGAD patients undergoing watchful waiting after onset.
Nanthaya Tisavipat, Adi Wilf-Yarkoni, Abdullah Al-Ani, Fiona Costello, Punchika Kosiyakul, Mark A Hellmann

Mult Scler Relat Disord· October 2025

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Subunit-Specific Immunodominance in Clinically Distinct Populations With AChR+ Myasthenia Gravis: A Multiparametric Cross-Sectional Analysis.
Kfir Oved, Galit Denkberg, Lena Pinzur, Elisabeth Chroni, Vasiliki Zouvelou, Mark A Hellmann

Neurology· October 2025

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Familial myasthenia gravis: characterization of an Israeli cohort and systematic review of the literature.
Mark A Hellmann, Israel Steiner, Maor Mermelstein, Itzhak Friedman, Adi Wilf-Yarkoni

J Neurol· July 2025

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Comorbidities Are Associated With Unfavorable Outcome in Aquaporin-4 Antibody Positive Neuromyelitis Optica Spectrum Disorders and Myelin Oligodendrocyte Glycoprotein Antibody-Associated Disease: Exploratory Study From the CROCTINO Cohort.
Sara Samadzadeh, Frederike Cosima Oertel, Hadi Salih, Ting-Yi Lin, Seyedamirhosein Motamedi, Mark A Hellmann

Eur J Neurol· June 2025

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Clinical Characterization and Prognostic Risk Factors of Susac Syndrome: A Retrospective Multicenter Study.
Lior Fuchs, Adi Wilf-Yarkoni, Hadar Kolb, Ifat Vigiser, Keren Regev, Mark A Hellmann

Neurol Neuroimmunol Neuroinflamm· March 2025

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Aquaporin-4 Immunoglobulin G-seropositive Neuromyelitis Optica Spectrum Disorder MRI Characteristics: Data Analysis from the International Real-World PAMRINO Study Cohort.
Claudia Chien, Vera Cruz E Silva, Emanuel Geiter, Dominik Meier, Hanna Zimmermann, Mark A Hellmann

Radiology· November 2024

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Application of the international criteria for optic neuritis in the Acute Optic Neuritis Network.
Philipp Klyscz, Susanna Asseyer, Ricardo Alonso, Charlotte Bereuter, Omer Bialer, Mark Hellmann

Ann Clin Transl Neurol· September 2024

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Applicability of the New Myelin Oligodendrocyte Glycoprotein Antibody-associated Disease Diagnostic Criteria in an Israeli Cohort.
Aviv Fineberg, Itay Lotan, Omer Bialer, Alon Tiosano, Shira Rozenblatt, Mark A Hellmann

Isr Med Assoc J· August 2024

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The effect of COVID-19 vaccination on multiple sclerosis activity as reflected by MRI.
Esther Ganelin-Cohen, Chen Buxbaum, Noam Bosak, Shani Sobol, Adi Vaknin-Dembinsky, Mark A Hellmann

Brain Behav· July 2024

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Association between clinical characteristics, acute steroid treatment and oligoclonal bands result in multiple sclerosis: A retrospective study.
Assaf Tolkovsky, Keshet Pardo, Mark Hellmann, Itay Lotan, Eitan Auriel

Mult Scler Relat Disord· May 2024

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Effectiveness of oral prednisone tapering following intravenous methylprednisolone for acute optic neuritis in multiple sclerosis.
Adi Wilf-Yarkoni, Kristina Feldmann, Kerstin Rubarth, Eva-Maria Dorsch, Rebekka Rust, Mark A Hellmann

PLoS One· December 2023

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Intravenous immunoglobulin treatment for acute attacks in myelin oligodendrocyte glycoprotein antibody disease.
Itay Lotan, John J Chen, Yael Hacohen, Omar Abdel-Mannan, Sara Mariotto, Mark A Hellmann

Mult Scler· August 2023

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Author Correction: Obesity is associated with myelin oligodendrocyte glycoprotein antibody-associated disease in acute optic neuritis.
Hadas Stiebel-Kalish, Kerstin Rubarth, Karny Shouchane-Blum, Alon Tiosano, Itay Lotan, Mark A Hellmann

Sci Rep· February 2023

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The Acute Optic Neuritis Network (ACON): Study protocol of a non-interventional prospective multicenter study on diagnosis and treatment of acute optic neuritis.
Susanna Asseyer, Nasrin Asgari, Jeffrey Bennett, Omer Bialer, Yolanda Blanco, Mark Hellmann

Front Neurol· February 2023

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Details and outcomes of a large cohort of MOG-IgG associated optic neuritis.
John J Chen, Eoin P Flanagan, M Tariq Bhatti, Nanthaya Tisavipat, Sepideh Jamali, Mark A Hellmann

Mult Scler Relat Disord· December 2022

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Obesity is associated with myelin oligodendrocyte glycoprotein antibody-associated disease in acute optic neuritis.
Hadas Stiebel-Kalish, Kerstin Rubarth, Karny Shouchane-Blum, Alon Tiosano, Itay Lotan, Mark A Hellmann

Sci Rep· December 2022

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Repeated lumbar puncture in search of oligoclonal bands - What is the yield?
Maor Mermelstein, Jonathan Naftali, Adi Wilf-Yarkoni, Itay Lotan, Mark Andrew Hellmann

J Neurol Sci· August 2022

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Association of Maintenance Intravenous Immunoglobulin With Prevention of Relapse in Adult Myelin Oligodendrocyte Glycoprotein Antibody-Associated Disease.
John J Chen, Saif Huda, Yael Hacohen, Michael Levy, Itay Lotan, Mark A Hellmann

JAMA Neurol· May 2022

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Humoral and Cellular Immune Responses to SARS-CoV-2 mRNA Vaccination in Patients with Multiple Sclerosis: An Israeli Multi-Center Experience Following 3 Vaccine Doses.
Ron Milo, Elsebeth Staun-Ram, Dimitrios Karussis, Arnon Karni, Mark A Hellmann

Front Immunol· April 2022

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Early safety and tolerability profile of the BNT162b2 COVID-19 vaccine in myasthenia gravis.
Itay Lotan, Mark A Hellmann, Yitzhak Friedman, Hadas Stiebel-Kalish, Israel Steiner

Neuromuscul Disord· March 2022

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OCT retinal nerve fiber layer thickness differentiates acute optic neuritis from MOG antibody-associated disease and Multiple Sclerosis: RNFL thickening in acute optic neuritis from MOGAD vs MS.
John J Chen, Elias S Sotirchos, Amanda D Henderson, Eleni S Vasileiou, Eoin P Flanagan, Mark A Hellmann

Mult Scler Relat Disord· February 2022

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Safety of the BNT162b2 COVID-19 vaccine in multiple sclerosis (MS): Early experience from a tertiary MS center in Israel.
Itay Lotan, Adi Wilf-Yarkoni, Yitzhak Friedman, Hadas Stiebel-Kalish, Israel Steiner, Mark A Hellmann

Eur J Neurol· November 2021

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Chronic low-dose intravenous immunoglobulins as steroid-sparing therapy in myasthenia gravis.
Adi Wilf-Yarkoni, Itay Lotan, Israel Steiner, Mark A Hellmann

J Neurol· October 2021

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Alemtuzumab mediates the CD39 T-regulatory cell response via CD23 macrophages.
Lital Remez, Esther Ganelin-Cohen, Dina Safina, Mark A Hellmann, Itay Lotan

Immunol Cell Biol· May 2021

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Mild Phenotype of Wolfram Syndrome Associated With a Common Pathogenic Variant Is Predicted by a Structural Model of Wolframin.
Adi Wilf-Yarkoni, Oded Shor, Avi Fellner, Mark Andrew Hellmann, Elon Pras

Neurol Genet· April 2021

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