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

WA21093

This randomized, double-blind, double-dummy, parallel-group study will evaluate the efficacy and safety of ocrelizumab in comparison with interferon beta-1a (Rebif) in participants with relapsing multiple sclerosis. Participants will be randomized to receive either ocrelizumab 600 mg or matching placebo intravenous (IV) as 300 mg infusions on Days 1 and 15 for the first dose and as a single infusion of 600 mg for all subsequent infusions every 24 weeks, with placebo injections matching interferon beta-1a SC three times per week; or interferon beta-1a 44 mcg SC injections three times per week (with placebo infusions matching ocrelizumab infusions every 24 weeks).

2011-09-20

2015-05-12

2022-12-30

Completed

Early phase I

835

Inclusion Criteria: * Diagnosis of multiple sclerosis, in accordance with the revised McDonald criteria (2010) * At least 2 documented clinical attacks within the last 2 years prior to screening or one clinical attack in the years prior to screening (but not within 30 days prior to screening) * Neurologic stability for greater than or equal to (\>/=) 30 days prior to both screening and baseline * Expanded Disability Status Scale (EDSS) score 0 to 5.5 inclusive Exclusion Criteria: * Primary progressive multiple sclerosis * Disease duration of more than 10 years in patients with EDSS score less than or equal to (\</=) 2.0 at screening * Contraindications for MRI * Known presence of other neurological disorders which may mimic multiple sclerosis * Pregnancy or lactation * Requirement for chronic treatment with systemic corticosteroids or immunosuppressants during the course of the study * History of or currently active primary or secondary immunodeficiency * History of severe allergic or anaphylactic reactions to humanized or murine monoclonal antibodies * Active infection, or history of or known presence of recurrent or chronic infection (for example, hepatitis B or C, Human Immunodeficiency Virus \[HIV\], syphilis, tuberculosis) * History of progressive multifocal leukoencephalopathy * Contraindications to or intolerance of oral or IV corticosteroids * Contraindications to Rebif or incompatibility with Rebif use

{'studyType': 'INTERVENTIONAL', 'phases': ['PHASE3'], 'designInfo': {'allocation': 'RANDOMIZED', 'interventionModel': 'PARALLEL', 'primaryPurpose': 'TREATMENT', 'maskingInfo': {'masking': 'TRIPLE', 'whoMasked': ['PARTICIPANT', 'INVESTIGATOR', 'OUTCOMES_ASSESSOR']}}, 'enrollmentInfo': {'count': 835, 'type': 'ACTUAL'}}

2024-03-08