A Study of the Efficacy and Safety of Ocrelizumab in Patients With Rel
Phase II, Multicenter, Randomized, Parallel-Group, Partially Blinded, Placebo and Avonex Controlled Dose Finding Study to Evaluate the Efficacy As Measured by Brain MRI Lesions, and Safety of 2 Dose Regimens of Ocrelizumab in Patients With RRMS
What it found
The main measure showed a statistically significant benefit.
| Measure | Estimate | 95% CI | p |
|---|---|---|---|
| Total Number of Gadolinium-Enhancing T1 Lesions Observed on Magnetic Resonance Imaging (MRI) Scans of the Brain | <0.0001 | ||
| Total Number of Gadolinium-Enhancing T1 Lesions Observed on Magnetic Resonance Imaging (MRI) Scans of the Brain | <0.0001 | ||
| Total Number of Gadolinium-Enhancing T1 Lesions Observed on Magnetic Resonance Imaging (MRI) Scans of the Brain | 0.7496 |
Statistical analysis as posted on ClinicalTrials.gov.
What was tested
Treatment tested
- Ocrelizumab
B-lymphocyte antigen CD20 binding agent
Compared with
- Interferon beta-1a
Interferon alpha/beta receptor agonist
Placebo
- Placebo
Results by group
Total Number of Gadolinium-Enhancing T1 Lesions Observed on Magnetic Resonance Imaging (MRI) Scans of the Brain
Week 12 to Week 24
| Group | Value | Interval | Number analysed |
|---|---|---|---|
| Placebo / Ocrelizumab 600 mg | 5.6 lesions | 12.53 (Standard Deviation) | 54 |
| Ocrelizumab 600 mg / Ocrelizumab 600 mg | 0.6 lesions | 1.52 (Standard Deviation) | 51 |
| Ocrelizumab 1000 mg/ Ocrelizumab 600 mg | 0.2 lesions | 0.65 (Standard Deviation) | 52 |
| Avonex / Ocrelizumab 600 mg | 6.9 lesions | 16.01 (Standard Deviation) | 52 |
Placebo / Ocrelizumab 600 mg
Ocrelizumab 600 mg / Ocrelizumab 600 mg
Ocrelizumab 1000 mg/ Ocrelizumab 600 mg
Avonex / Ocrelizumab 600 mg
p = <0.0001
Values as posted on ClinicalTrials.gov. Outcomes measured differently across trials are not directly comparable.
Safety
| Group | Participants at risk | Serious adverse events | Deaths |
|---|---|---|---|
| Placebo/Ocrelizumab 600mg | 54 | 11 (20.4%) | 3 |
| Ocrelizumab 600mg/Ocrelizumab 600mg | 55 | 17 (30.9%) | 1 |
| Ocrelizumab 1000mg/Ocrelizumab 600mg | 55 | 16 (29.1%) | 3 |
| Avonex/Ocrelizumab 600 mg | 54 | 16 (29.6%) | 2 |
| Ocrelizumab 600 mg Open Label Extension (OLE) | 103 | 28 (27.2%) | 6 |
As posted on ClinicalTrials.gov. Serious adverse events include any serious health event during the trial, whether or not the treatment caused it.
What it measured
Main measures
Total Number of Gadolinium-Enhancing T1 Lesions Observed on Magnetic Resonance Imaging (MRI) Scans of the Brain
Week 12 to Week 24
MRI lesionsTo investigate the effect of ocrelizumab given as two dose regimens of 600 or 1000 mg intravenously on the total number of gadolinium-enhancing T1 lesions observed on MRI scans of the brain at weeks 12, 16, 20 and 24 as compared to placebo.
MRI lesions
Other measures (5)
Annualized Protocol Defined Relapse Rate at Week 24
Week 24
RelapsesPercentage of Participants Who Remained Relapse Free at Week 24
Week 24
RelapsesChange From Baseline in Total Volume of T2 Lesions on MRI Scans of the Brain at Week 24
Baseline, Week 24
MRI lesionsTotal Number of New Gadolinium-Enhancing T1 Lesions Observed by MRI Scans of the Brain
Weeks 4 to Week 24
MRI lesionsTotal Number of Gadolinium-Enhancing T1 Lesions
Weeks 4 to Week 24
MRI lesions
Who could take part
Relapsing MS · 18 to 55
Show the full criteria
Inclusion criteria
* Ability to provide written informed consent and to be compliant with the schedule of protocol assessments * Relapsing-remitting multiple sclerosis (MS) * Ages 18-55 years inclusive * For sexually active female and male participants of reproductive potential, use of reliable means of contraception
Exclusion criteria
* Secondary or primary progressive multiple sclerosis at screening * Incompatibility with MRI * Contra-indications to or intolerance of oral or IV corticosteroids * Known presence of other neurologic disorders * Pregnancy or lactation * Lack of peripheral venous access * History of severe allergic or anaphylactic reactions to humanized or murine monoclonal antibodies * Significant, uncontrolled disease, such as cardiovascular, pulmonary, renal, hepatic, endocrine or gastrointestinal * Congestive heart failure * Known active bacterial, viral, fungal, mycobacterial infection or other infection or any major episode of infection requiring hospitalization or treatment with IV antibiotics within 4 weeks prior to screening or oral antibiotics within 2 weeks prior to screening * History or known presence of recurrent or chronic infection * History of cancer, including solid tumors and hematological malignancies (except basal cell, in situ squamous cell carcinomas of the skin, and in situ carcinoma of the cervix of the uterus that have been excised and resolved) * History of alcohol or drug abuse within 24 weeks prior to randomization * History of or currently active primary or secondary immunodeficiency * History of coagulation disorders * Treatment with any investigational agent within 4 weeks of screening * Receipt of a live vaccine within 6 weeks prior to randomization * Incompatibility with Avonex use * Previous treatment with rituximab * Previous treatment with lymphocyte-depleting therapies except mitoxantrone * Treatment with lymphocyte trafficking blockers within 24 weeks prior to randomization * Treatment with beta interferons, glatiramer acetate, IV immunoglobulin, plasmapheresis, or immunosuppressive therapies within 12 weeks prior to randomization * Systemic corticosteroid therapy within 4 weeks prior to randomization
As registered. Criteria can change, so ask the trial team or your neurologist.
About this trial
In the sponsor's words
This is a phase II, multicenter, randomized, parallel-group, partially blinded, placebo and Avonex (interferon beta-1a) controlled dose finding study to evaluate the efficacy as measured by brain MRI lesions, and safety of 2 dose regimens of ocrelizumab in participants with Relapsing Remitting Multiple Sclerosis (RRMS).
Papers
Results
Long-Term Treatment With Ocrelizumab in Patients With Early-Stage Relapsing MS: Nine-Year Data From the OPERA Studies Open-Label Extension.Neurology · 2025
Results
Ocrelizumab in relapsing and primary progressive multiple sclerosis: Pharmacokinetic and pharmacodynamic analyses of OPERA I, OPERA II and ORATORIO.Br J Clin Pharmacol · 2021
Results
Onset of clinical and MRI efficacy of ocrelizumab in relapsing multiple sclerosis.Neurology · 2019
Results
Ocrelizumab in relapsing-remitting multiple sclerosis: a phase 2, randomised, placebo-controlled, multicentre trial.Lancet · 2011
Loading reviews and guidelines…
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History
Started
Jul 2008
Main results due
Mar 2012
Finished
Nov 2023
Results posted
May 2017