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    Phase IV: Ocrelizumab in Multiple Sclerosis (OSSIA)

    Clinical Trial Overview Inclusion and Exclusion Criteria Study Site Locations Enrollment and Resources
    Clinical Trial Overview

    Clinical Trial Overview

    Recruiting

    A Prospective, Multicenter, Single-arm Study of Ocrelizumab Administered Subcutaneously in Patients With Multiple Sclerosis Who Switch From an Approved Anti-CD20 Therapy

    Objective

    The purpose of this study is to assess the imaging biomarkers, patient outcomes, safety, tolerability, and treatment satisfaction of ocrelizumab (OCR) combined with recombinant human hyaluronidase (rHuPH20) administered subcutaneously (SC) in participants with relapsing multiple sclerosis (RMS) or primary progressive multiple sclerosis (PPMS) after switching from another anti-cluster of differentiation 20 (aCD20) therapy approved for RMS (ofatumumab SC, ublituximab-xiiy intravenous [IV], ocrelizumab IV) or PPMS (ocrelizumab IV).

    Primary Endpoints

    • Percentage of Participants With no Change or Reduction From Baseline in Number of T1 Gadolinium-enhanced (Gd+) Lesions as Detected by Brain Magnetic Resonance Imaging (MRI) at Week 24

    Secondary Endpoints

    • Percentage of Participants With no New or Enlarging T2 Lesions as Detected by Brain MRI at Week 24
    • Number of Participants With Adverse Events (AEs)
    • Percentage of Participants With no Change or Reduction From Baseline in Number of T1 Gd+ Lesions as Detected by Brain MRI at Week 48
    • Percentage of Participants With no New or Enlarging T2 Lesions as Detected by Brain MRI at Week 48
    • Change From Baseline in Cluster of Differentiation 19 (CD19+) B-cell Counts at Week 24 and Week 48
    • Treatment Satisfaction Score With Prior aCD20 Therapy, as Assessed Using Treatment Satisfaction Questionnaire for Medication (TSQM-II)
    • Treatment Administration Satisfaction Score After Dose of OCR SC at Day 1 and Week 24, as Assessed Using Treatment Administration Satisfaction Questionnaire - Subcutaneous Injection (TASQ SC)
    • Treatment Satisfaction Score With OCR SC at Week 24 and Week 48, as Assessed Using TSQM-II
    • Change From Baseline in Multiple Sclerosis Impact Scale (MSIS-29) Scores at Week 24 and Week 48
    • Number of Participants who Switched From Approved aCD20 Therapy to OCR SC, Categorized by Reasons for Switching

    Ocrelizumab

    Other names: RG1594; RO4964913

    Modality: Anti-CD20 humanized monoclonal antibody

    Disease/Condition: Multiple Sclerosis

    View Molecule

    ADDITIONAL RESOURCES

    Contact an MSL
    Submit Medical Inquiry
    View Related Clinical Trials

    ID: NCT07609719

    View on ClinicalTrials.gov
    Inclusion and Exclusion Criteria

    Inclusion and Exclusion Criteria

    Inclusion Criteria
    • Diagnosis of RMS or PPMS according to the revised McDonald 2017 criteria
    • Documented Expanded Disability Status Scale (EDSS) score of 0-6.5, inclusive, at screening (or within 6 months of screening)
    • Participants discontinuing aCD20 therapy for reasons including, but not limited to, physician/participant preference, access to commercial drug (e.g., insurance coverage issues), or other logistical reasons (such as geographical relocation, travel, etc.) are eligible for this study
    • Prior treatment with ofatumumab SC, ublituximab-xiiy IV, or ocrelizumab IV aCD20 therapy
    Exclusion Criteria
    • Participants who have demonstrated suboptimal response to aCD20 therapy
    • Discontinuing aCD20 therapy because of any of the following treatment emergent adverse events (TEAEs): 1) Grade ≥3 severe infusion-related reaction (IRRs) or injection reactions (IRs); 2) Recurrent Grade ≥3 infections, or the need for ≥2 courses of antibiotics after starting aCD20 therapy, if the investigator believes infection is related to therapy
    • Participants with contraindication to Gd+ and participants who for any reason cannot tolerate MRI procedure
    • Known presence of active, recurrent, or chronic infection (e.g., human immunodeficiency virus [HIV], syphilis, human papillomavirus [HPV], tuberculosis [TB])
    • History of confirmed or suspected progressive multifocal leukoencephalopathy (PML)
    • Known presence of neurologic disorders that may interfere with the diagnosis of RMS or PPMS
    • Any concomitant disease that may require treatment with systemic corticosteroids (e.g., mineralocorticoids and glucocorticoids) or immunosuppressants during the study
    • Known allergy or hypersensitivity to ocrelizumab, rHuPH20, or excipients of the OCR SC formulation
    • Any previous treatment with bone marrow transplantation and hematopoietic stem cell transplantation
    • Treatment with any live-attenuated vaccine within 6 weeks prior to baseline
    • Treatment with any experimental procedures for RMS or PPMS (e.g., treatment for chronic cerebrospinal venous insufficiency)
    • Previous treatment with cladribine, atacicept, alemtuzumab or mitoxantrone
    • Positive hepatitis B virus (HBV) and hepatitis C virus (HCV) antibody test at screening
    • Other protocol defined inclusion and exclusion criteria may apply.

    ADDITIONAL RESOURCES

    Contact an MSL
    Submit Medical Inquiry
    View Related Clinical Trials

    ID: NCT07609719

    View on ClinicalTrials.gov
    Study Site Locations

    Study Site Locations

    Explore the map to find active sites closest to your location or search by your ZIP code.

    ADDITIONAL RESOURCES

    Contact an MSL
    Submit Medical Inquiry
    View Related Clinical Trials

    ID: NCT07609719

    View on ClinicalTrials.gov

    10 Results

      Enrollment and Resources

      Enrollment & Resources

      Enrollment

      For more information on eligibility criteria, view the study or reach out to our team.

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      Email

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      ADDITIONAL RESOURCES

      Contact an MSL
      Submit Medical Inquiry
      View Related Clinical Trials

      ID: NCT07609719

      View on ClinicalTrials.gov

      Resources

      ClinicalTrials.gov

      Learn more about this trial (NCT07609719) on ClinicalTrials.gov.

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      Information is consistent with ClinicalTrials.gov as of July 31, 2026. Products under investigation have not been approved for use outside of the clinical trial setting. This information is presented only for the purposes of providing an overview of clinical trials and should not be construed as a recommendation for use of any product for unapproved purposes.

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      • AD
        Alzheimer's disease

      • ABC
        advanced breast cancer

      • bADLs
        Basic activities of daily living

      • ISLT
        International Shopping List Test

      • MCI
        Mild cognitive impairment

      • CV
        coefficient of variation

      • HEX
        cell hexagonality

      • nAMD
        neurovascular age-related macular degeneration

      • PDS
        Port Delivery System

      • Q24W
        once every 24 weeks

      • BMI
        Body mass index

      • HbA1c
        hemoglobin A1C

      • HOMA-IR
        Homeostasis Model Assessment of Insulin Resistance

      • NLM
        National Library of Medicine

      • QUICKI
        Quantitative Insulin Sensitivity Check Index

      • SGLT-2
        sodium-glucose cotransporter-2

      • SMBG
        Self-Monitored Blood Glucose

      • T1DM
        Type 1 Diabetes Mellitus

      • T2DM
        Type 2 diabetes mellitus

      • AE
        adverse events

      • AESI
        Adverse Events of Special Interest

      • MDD
        major depressive disorder

      • PHQ-9
        Patient Health Questionnaire-9

      • SAE
        serious adverse events

      • ABR
        Annualized Bleed Rate

      • CBR
        clinical benefit rate

      • CDK4/6i
        cyclin-dependent kinase 4 and 6 inhibitor

      • CNS
        central nervous system

      • CR
        complete response

      • DoR
        duration of response

      • ER
        estrogen receptor

      • HER2
        human epidermal growth factor receptor 2

      • HER2-
        human epidermal growth factor receptor 2-negative

      • HR
        hormone receptor

      • HR+
        hormone receptor-positive

      • HRQoL
        health-related quality of life

      • mut
        mutated

      • NIS
        non-interventional study

      • ORR
        objective response rate

      • OS
        overall survival

      • PFS
        progression-free-survival

      • PIK3CA
        phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha

      • PIK3CAm
        PIK3CA-mutated

      • PK
        pharmacokinetics

      • PROs
        patient-reported outcomes

      • SD
        stable disease

      • SoC
        standard of care

      • VWD
        von Willebrand disease

      • WHO
        World Health Organization

      • T2D
        Type 2 diabetes

      • T1D
        Type 1 Diabetes

      • ADA
        anti-drug antibody

      • DXA
        Dual-energy X-ray Absorptiometry

      • ASCVD
        atherosclerotic cardiovascular disease

      • FGF21
        fibroblast growth factor 21

      • SHTG
        severe hypertriglyceridemia

      • TG
        triglycerides

      • MASH
        metabolic dysfunction-associated steatohepatitis

      • NAFLD
        non-alcoholic fatty liver disease

      • NAS
        NAFLD Activity Score

      • NASH
        nonalcoholic steatohepatitis

      • pmMS
        partial modified Mayo

      • CD
        Crohn's disease

      • CMV
        cytomegalovirus

      • HIV
        human immunodeficiency virus

      • HBV
        Hepatitis B

      • HCV
        Hepatitis C

      • TB
        tuberculosis

      • UC
        ulcerative colitis

      • TL1A
        tumor necrosis factor-like ligand 1A

      • mMS
        modified Mayo Score

      • APS
        average daily abdominal pain scores in the past week

      • CDAI
        Crohn’s Disease Activity Index

      • IBDQ
        Inflammatory Bowel Disease Questionnaire

      • SF
        stool frequency subscore

      • PBO
        Placebo

      • EASI
        Eczema Area and Severity Index

      • IGA
        Investigator Global Assessment

      • NRS
        Numerical Rating Scale

      • IM
        intramuscular

      • IL
        intralesional

      • PDE-4
        Phosphodiesterase-4

      • ACE
        angiotensin-converting enzyme

      • ARBs
        angiotensin II receptor blockers

      • ASO
        Antisense Oligonucleotide

      • CKD-EPI
        Chronic Kidney Disease Epidemiology Collaboration

      • eGFR
        Estimated Glomerular Filtration Rate

      • FACIT-F
        Functional Assessment of Chronic Illness Therapy-Fatigue subscale

      • g/day
        gram per day

      • g/g
        gram per gram

      • GIP
        Glucose-dependent Insulinotropic Polypeptide

      • GLP-1
        Glucagon-like Peptide-1

      • IgAN
        IgA nephropathy

      • mg/day
        milligrams per day

      • TEAEs
        Treatment-Emergent Adverse Events

      • UPCR
        Urine Protein-to-Creatinine Ratio

      • AEs
        Adverse events

      • ALT
        Alanine aminotransferase

      • AST
        Aspartate aminotransferase

      • C-SSRS
        Columbia-Suicide Severity Rating Scale

      • DMT
        Disease-modifying therapy

      • ECG
        Electrocardiogram

      • EDSS
        Expanded Disability Status Scale

      • Gd
        Gadolinium

      • IPMSSG
        International Pediatric Multiple Sclerosis Study Group

      • MRI
        Magnetic resonance imaging

      • MS
        Multiple sclerosis

      • PD
        Pharmacodynamic

      • PPMS
        Primary progressive multiple sclerosis

      • RMS
        Relapsing multiple sclerosis

      • SI
        Suicidal ideation

      • SPMS
        Secondary progressive multiple sclerosis

      • CYP3A4
        cytochrome-p450-3a4

      • ADAS-Cog-13
        Alzheimer's Disease Assessment Scale-Cognition 13

      • ADAs
        Anti-drug antibodies

      • ADCS-ADL
        Alzheimer's Disease Cooperative Study Activities of Daily Living Inventory

      • ARIA
        Amyloid-related imaging abnormalities

      • CDR-GS
        Clinical Dementia Rating, Global Score

      • CDR-SB
        Clinical Dementia Rating, Sum of Boxes

      • CSF
        Cerebrospinal fluid

      • GFAP
        Glial fibrillar acidic protein

      • iADRS
        Integrated Alzheimer's Disease Rating Scale

      • IRR
        Infusion-related reactions

      • MMSE
        Mini-Mental State Examination

      • PET
        Positron emission tomography

      • RBANS DMI
        Repeatable Battery for the Assessment of Neuropsychological Status Delayed Memory Index

      • EORTC QLQ-C30
        European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire

      • PRO-CTCAE
        Patient-Reported Outcomes Common Terminology Criteria for Adverse Events

      • TTCD
        Time to Confirmed Deterioration

      • AJCC
        American Joint Committee on Cancer Staging System

      • ECOG
        Eastern Cooperative Oncology Group

      • FFPE
        formalin-fixed, paraffin-embedded

      • RECIST
        Response Evaluation Criteria in Solid Tumors

      • NSCLC
        non-small cell lung cancer

      • BICR
        blinded independent central review

      • CD137
        Cluster of Differentiation 137

      • EORTC QLQ-LC13
        European Organisation for Research and Treatment of Cancer Quality-of-Life Questionnaire-Supplemental Lung Cancer Module

      • KRAS G12C
        Kirsten rat sarcoma viral oncogene homolog G12C

      • PD-L1
        Programmed death-ligand 1

      • RAS
        RAt Sarcoma

      • RT
        Radiation therapy

      • DOCR
        duration of complete response

      • DFS
        disease-free survival

      • EFSeff
        event-free survival efficacy causes

      • FACT-Lym LymS
        lymphoma subscale within the functional assessment of cancer therapy-Lymphoma questionnaire

      • IPI
        international prognostic index

      • IRF
        Independent Review Facility

      • Pola-R-CHP
        polatuzumab vedotin plus rituximab, cyclophosphamide, doxorubicin, and prednisone

      • LBCL
        large B-cell lymphoma

      • PROMIS-29
        Patient-Reported Outcomes Measurement Information System-29

      • ESR1nmd
        ESR1 no-mutation-detected

      • IV
        intravenous

      • II
        2

      • ECD
        endothelial cell density

      • III
        3

      • SC
        Subcutaneous

      +