Cited by 2,439Multiple Sclerosis Research StudiesPolyomavirus and related diseasesChronic Lymphocytic Leukemia Research

B-cell depletion with rituximab in relapsing-remitting multiple sclerosis

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Hauser, Stephen L., Waubant, Emmanuelle, Arnold, Douglas L., Vollmer, Timothy, Antel, Jack, Fox, Robert J., Bar-Or, Amit, Panzara, Michael +4 more·2008·New England Journal of Medicine

Abstract

BACKGROUND: There is increasing evidence that B lymphocytes are involved in the pathogenesis of multiple sclerosis, and they may be a therapeutic target. Rituximab, a monoclonal antibody, selectively targets and depletes CD20+ B lymphocytes. METHODS: In a phase 2, double-blind, 48-week trial involving 104 patients with relapsing-remitting multiple sclerosis, we assigned 69 patients to receive 1000 mg of intravenous rituximab and 35 patients to receive placebo on days 1 and 15. The primary end point was the total count of gadolinium-enhancing lesions detected on magnetic resonance imaging scans of the brain at weeks 12, 16, 20, and 24. Clinical outcomes included safety, the proportion of patients who had relapses, and the annualized rate of relapse. RESULTS: As compared with patients who received placebo, patients who received rituximab had reduced counts of total gadolinium-enhancing lesions at weeks 12, 16, 20, and 24 (P<0.001) and of total new gadolinium-enhancing lesions over the same period (P<0.001); these results were sustained for 48 weeks (P<0.001). As compared with patients in the placebo group, the proportion of patients in the rituximab group with relapses was significantly reduced at week 24 (14.5% vs. 34.3%, P=0.02) and week 48 (20.3% vs. 40.0%, P=0.04). More patients in the rituximab group than in the placebo group had adverse events within 24 hours after the first infusion, most of which were mild-to-moderate events; after the second infusion, the numbers of events were similar in the two groups. CONCLUSIONS: A single course of rituximab reduced inflammatory brain lesions and clinical relapses for 48 weeks. This trial was not designed to assess long-term safety or to detect uncommon adverse events. The data provide evidence of B-cell involvement in the pathophysiology of relapsing-remitting multiple sclerosis. (ClinicalTrials.gov number, NCT00097188 [ClinicalTrials.gov].).

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  • The strong efficacy of anti-CD20 therapies especially in relapsing disease implies that pathogenic B cell functions extend beyond antibody secretion and underline the importance of B cells for multiple sclerosis pathogenesis.

    “However, the strong efficacy of anti-CD20 therapies especially in relapsing disease implies that pathogenic B cell functions extend beyond antibody secretion and underline the importance of B cells for MS pathogenesis [54, 55].”
  • 13 of 17 patients unresponsive to corticosteroids, plasma exchange, or intravenous immunoglobulin responded to cyclophosphamide, rituximab, or both.

    “Furthermore, 13 of 17 patients unresponsive to the above therapies, responded to cyclophosphamide (five), rituximab (six), or both (two; data not shown), drugs that are effective in other immune-mediated disorders of the CNS.29,30”

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Research works printed but not linked: 3

  1. Hauser SL, Oksenberg JR. The neuro- biology of multiple sclerosis: genes, in- flammation, and neurodegeneration. Neu- ron 2006;52:61-76.
  2. placebo-controlled trial. Ann Neurol 2007; 61:14-24.
  3. The New England Journal of Medicine Downloaded from nejm.org on August 29, 2023. For personal use only. No other uses without permission. Copyright © 2008 Massachusetts Medical Society. All rights reserved. n engl j med 358;7

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Authors
Hauser, S. L., Waubant, E., Arnold, D. L., Vollmer, T., Antel, J., Fox, R. J., Bar-Or, A., Panzara, M., Sarkar, N., Agarwal, S., Langer-Gould, A., & Smith, C. H.
Affiliations
  • University of California, San Francisco (US)
  • NeuroRx Research (Canada) (CA)
  • Barrow Neurological Institute (US)
  • McGill University (CA)
  • Cleveland Clinic (US)
  • Biogen (United States) (US)
  • Genentech (US)
Venue
New England Journal of Medicine
Published
2008-02-14
Volume
358
Issue
7
Pages
676-688
ISSN
  • 0028-4793 (ISSN-L)
  • 1533-4406
OpenAlex
W2141111992
Cited by
2,439
References
37
Citations by year
2026: 98 · 2025: 101 · 2024: 93 · 2023: 116 · 2022: 126 · 2021: 140 · 2020: 138 · 2019: 142 · 2018: 122 · 2017: 136 · 2016: 132 · 2015: 129 · 2014: 135 · 2013: 152 · 2012: 140
FWCI
124.87
Type
journal article
Language
en
Open access
Locations
  • New England Journal of Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • AstraZeneca
  • GlaxoSmithKline
  • Sanofi
  • Biogen
  • Teva Pharmaceutical Industries
  • Eisai
  • Genentech
Topics
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Multiple Sclerosis Research Studies
  • Health Sciences › Medicine › Oncology › Polyomavirus and related diseases
  • Health Sciences › Medicine › Genetics › Chronic Lymphocytic Leukemia Research
Keywords
rituximab, relapsing-remitting multiple sclerosis, B-cell depletion, CD20+ B cells, gadolinium-enhancing lesions, neuroinflammation, clinical relapse, annualized relapse rate, monoclonal antibody therapy, multiple sclerosis pathogenesis
MeSH terms
Rituximab, Adolescent, Adult, Antibodies, Monoclonal, B-Lymphocytes, Brain, Double-Blind Method, Female, Gadolinium, Humans, Immunoglobulins, Immunologic Factors, Infusions, Intravenous, Magnetic Resonance Imaging, Male, Middle Aged, Remission Induction, Antigens, CD20, Multiple Sclerosis, Relapsing-Remitting, Antibodies, Monoclonal, Murine-Derived

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