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Ocrelizumab

Ocrelizumab is a humanized monoclonal antibody that targets CD20 on B cells and is used as a high-efficacy immunotherapy in multiple sclerosis (MS).

Where the papers sit

13 papers from the last 6 months study ocrelizumab directly · updated from PubMed 10 Oct 2026

  • Clinical Monitoring in Multiple Sclerosis

    MRI is central to diagnosis, surveillance, and decisions about ongoing disease activity in multiple sclerosis. Annual monitoring during ocrelizumab treatment is being weighed against its number needed to scan, while real-world studies assess relapse control and safety. Pregnancy and postpartum disease activity remain important gaps, with comparisons involving rituximab. Natalizumab may offer better relapse outcomes and lower healthcare use than ocrelizumab in treatment-naive patients, keeping treatment selection unresolved.

    5 papers · 38.5%

  • B-Cell Repopulation after Therapy

    B-cell repopulation is becoming a focus for predicting response and timing repeat anti-CD20 treatment in multiple sclerosis. CD19 and CD20 kinetics, immunoglobulin levels, and peripheral immune counts recur as practical monitoring measures. FCGR3A variation and baseline clinical features may explain differences in repopulation, while IL-6 is being tested as an outcome biomarker. Pharmacokinetic-pharmacodynamic models point toward more individualized dosing, but validated treatment thresholds remain open.

    5 papers · 38.5%

  • Anti-CD20 Therapy Across Multiple Sclerosis

    Anti-CD20 treatment is being evaluated across relapsing and primary progressive multiple sclerosis, including older people and those with advanced disability. Higher bodyweight-adjusted ocrelizumab dosing is under study, extending dose optimization beyond standard regimens. Evidence continues to address whether benefit and safety persist in less typical primary progressive populations. Direct comparison with rituximab in newly diagnosed relapsing disease keeps comparative effectiveness and treatment choice in view.

    3 papers · 23.1%

Papers

The 13 papers from the last 6 months that study ocrelizumab directly, newest first, by theme and by study type. Study types come from PubMed publication types and MeSH headings.

By theme

Clinical Monitoring in Multiple Sclerosis (5)
  1. Disease Activity During Pregnancy and Postpartum in Women With Multiple Sclerosis Treated With Ocrelizumab or Rituximab Before Pregnancy. Neurology(R) neuroimmunology & neuroinflammation · 9 Oct 2026 PMID 42854176
  2. Pearls & Oy-sters: Diagnosis of Pediatric Tumefactive Multiple Sclerosis With MRI Biomarkers. Neurology · 1 Oct 2026 PMID 42821841
  3. Value of Annual MRI Monitoring in Patients With Multiple Sclerosis Treated With Ocrelizumab: A Number Needed to Scan Analysis. Neurology · 29 Jul 2026 PMID 42525900
  4. Natalizumab is associated with improved relapse outcomes and lower healthcare utilization versus ocrelizumab in treatment-naïve people with multiple sclerosis. Journal of medical economics · 21 Jun 2026 PMID 42323726
  5. Effectiveness and safety of ocrelizumab in relapsing-onset multiple sclerosis: A nationwide real-world study from Slovakia. Multiple sclerosis and related disorders · 21 Apr 2026 PMID 42013711
B-Cell Repopulation after Therapy (5)
  1. Pharmacokinetic-Pharmacodynamic Modelling of Repeated Ocrelizumab Dosing in Relapsing-Remitting Multiple Sclerosis. Clinical pharmacokinetics · 28 Aug 2026 PMID 42663866
  2. Longitudinal changes in serum immunoglobulin levels and peripheral immune cell counts during ocrelizumab treatment in people with multiple sclerosis. Multiple sclerosis and related disorders · 26 Aug 2026 PMID 42648012
  3. Investigating the role of serum IL-6 in predicting outcomes of b-cell depleting therapy in multiple sclerosis: a retrospective cohort study. BMC neurology · 21 Aug 2026 PMID 42629559
  4. FCGR3A Polymorphism Controls B-Cell Repopulation Kinetics in People With Multiple Sclerosis Treated With Ocrelizumab. Neurology(R) neuroimmunology & neuroinflammation · 11 Aug 2026 PMID 42579840
  5. Predictors of B-cell repopulation in people with multiple sclerosis treated with ocrelizumab: insights from two large cohorts. Journal of neurology, neurosurgery, and psychiatry · 8 May 2026 PMID 42103467
Anti-CD20 Therapy Across Multiple Sclerosis (3)
  1. Rituximab versus Ocrelizumab in Newly Diagnosed Relapsing Multiple Sclerosis. The New England journal of medicine · 1 Jul 2026 PMID 42384870
  2. Efficacy and safety of ocrelizumab in primary progressive multiple sclerosis, including older patients and those with more advanced disease (ORATORIO-HAND): a multicentre, double-blind, randomised, placebo-controlled, phase 3b study. Lancet (London, England) · 28 May 2026 PMID 42208561
  3. Efficacy and safety of a bodyweight-adjusted higher dose of ocrelizumab in relapsing (MUSETTE) and primary progressive (GAVOTTE) multiple sclerosis: two multicentre, randomised, double-blind, parallel-group phase 3b trials. Lancet (London, England) · 28 May 2026 PMID 42208560

By study type

Clinical trials (3)
  1. Rituximab versus Ocrelizumab in Newly Diagnosed Relapsing Multiple Sclerosis. The New England journal of medicine · 1 Jul 2026 PMID 42384870
  2. Efficacy and safety of ocrelizumab in primary progressive multiple sclerosis, including older patients and those with more advanced disease (ORATORIO-HAND): a multicentre, double-blind, randomised, placebo-controlled, phase 3b study. Lancet (London, England) · 28 May 2026 PMID 42208561
  3. Efficacy and safety of a bodyweight-adjusted higher dose of ocrelizumab in relapsing (MUSETTE) and primary progressive (GAVOTTE) multiple sclerosis: two multicentre, randomised, double-blind, parallel-group phase 3b trials. Lancet (London, England) · 28 May 2026 PMID 42208560
Observational studies and case reports (10)
  1. Disease Activity During Pregnancy and Postpartum in Women With Multiple Sclerosis Treated With Ocrelizumab or Rituximab Before Pregnancy. Neurology(R) neuroimmunology & neuroinflammation · 9 Oct 2026 PMID 42854176
  2. Pearls & Oy-sters: Diagnosis of Pediatric Tumefactive Multiple Sclerosis With MRI Biomarkers. Neurology · 1 Oct 2026 PMID 42821841
  3. Pharmacokinetic-Pharmacodynamic Modelling of Repeated Ocrelizumab Dosing in Relapsing-Remitting Multiple Sclerosis. Clinical pharmacokinetics · 28 Aug 2026 PMID 42663866
  4. Longitudinal changes in serum immunoglobulin levels and peripheral immune cell counts during ocrelizumab treatment in people with multiple sclerosis. Multiple sclerosis and related disorders · 26 Aug 2026 PMID 42648012
  5. Investigating the role of serum IL-6 in predicting outcomes of b-cell depleting therapy in multiple sclerosis: a retrospective cohort study. BMC neurology · 21 Aug 2026 PMID 42629559
  6. FCGR3A Polymorphism Controls B-Cell Repopulation Kinetics in People With Multiple Sclerosis Treated With Ocrelizumab. Neurology(R) neuroimmunology & neuroinflammation · 11 Aug 2026 PMID 42579840
  7. Value of Annual MRI Monitoring in Patients With Multiple Sclerosis Treated With Ocrelizumab: A Number Needed to Scan Analysis. Neurology · 29 Jul 2026 PMID 42525900
  8. Natalizumab is associated with improved relapse outcomes and lower healthcare utilization versus ocrelizumab in treatment-naïve people with multiple sclerosis. Journal of medical economics · 21 Jun 2026 PMID 42323726
  9. Predictors of B-cell repopulation in people with multiple sclerosis treated with ocrelizumab: insights from two large cohorts. Journal of neurology, neurosurgery, and psychiatry · 8 May 2026 PMID 42103467
  10. Effectiveness and safety of ocrelizumab in relapsing-onset multiple sclerosis: A nationwide real-world study from Slovakia. Multiple sclerosis and related disorders · 21 Apr 2026 PMID 42013711