Trial reportNeurology(R) neuroimmunology & neuroinflammation2023
Effect of Ocrelizumab on B- and T-Cell Receptor Repertoire Diversity in Patients With Relapsing Multiple Sclerosis From the Randomized Phase III OPERA Trial.
Trial report in Neurology(R) neuroimmunology & neuroinflammation, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01247324 (A Randomized, Double-Blind, Double-Dummy, Parallel-Group Study To Evaluate the Efficacy and Safety of Ocrelizumab in Comparison to Interferon Beta-1a), which is not on this map. Cited by 11 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Randomized, Double-Blind, Double-Dummy, Parallel-Group Study To Evaluate the Efficacy and Safety of Ocrelizumab in Comparison to Interferon Beta-1a (Rebif®) in Patients With Relapsing Multiple Sclerosis
Who cites it
11 citing papers in PubMed, 16 citations in OpenAlex.
- B-cell repertoire sequencing reveals frequent rearrangements of IGHD5-5 in patients with systemic sclerosis.Scientific reports · 2026Article
- Extensive peripheral immunoglobulin repertoire analyses in people with multiple sclerosis reveal disease-specific signatures and distinct treatment effects of disease modifying drugs.Journal of neuroinflammation · 2026Article
- First the B cells fall, then the T cells follow: temporal immunological shift with ocrelizumab in multiple sclerosis.Journal of neurology · 2025Article
- B- and T cell receptor sequencing elucidates characteristics of lymphocyte depletion by ocrelizumab.iScience · 2025Article
- Broader anti-EBV TCR repertoire in multiple sclerosis: disease specificity and treatment modulation.Brain : a journal of neurology · 2025Article
- Elevated frequencies of activated memory B cells in multiple sclerosis are reset to healthy control levels after B cell depletion with Ocrelizumab.Journal of neuroimmunology · 2025Article
- Bibliometric analysis of the intestinal microbiota and demyelinating diseases, particularly multiple sclerosis, since 2014.Frontiers in neuroscience · 2025Article
- Ocrelizumab Alters Cytotoxic Lymphocyte Function While Reducing EBV-Specific CD8Neurology(R) neuroimmunology & neuroinflammation · 2024Article
- B-Cell Receptor Repertoire: Recent Advances in Autoimmune Diseases.Clinical reviews in allergy & immunology · 2024Review
- Repeated iv anti-CD20 treatment in multiple sclerosis: Long-term effects on peripheral immune cell subsets.Annals of clinical and translational neurology · 2024Article
- Extended interval dosing of ocrelizumab modifies the repopulation of B cells without altering the clinical efficacy in multiple sclerosis.Journal of neuroinflammation · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
13 authors at 1 institution in 4 countries.
Funding
Abstract
BACKGROUND AND
objectivesThe B cell-depleting anti-CD20 antibody ocrelizumab (OCR) effectively reduces MS disease activity and slows disability progression. Given the role of B cells as antigen-presenting cells, the primary goal of this study was to evaluate the effect of OCR on the T-cell receptor repertoire diversity.
methodsTo examine whether OCR substantially alters the molecular diversity of the T-cell receptor repertoire, deep immune repertoire sequencing (RepSeq) of CD4
resultsPeripheral blood samples for RepSeq were obtained from 8 patients with relapsing MS enrolled in the OPERA I trial over a period of up to 39 months. Four patients each were treated with OCR or interferon β1-a during the double-blind period of OPERA I. All patients received OCR during the open-label extension. The diversity of the CD4 DISCUSSION: Our data illustrate that the diversity of CD4 TRIAL REGISTRATION INFORMATION: This is a substudy (BE29353) of the OPERA I (WA21092; NCT01247324) trial. Date of registration, November 23, 2010; first patient enrollment, August 31, 2011.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.