A Study of Ocrelizumab in Children and Adolescents With Relapsing-Remitting Multiple Sclerosis
An Open-Label, Parallel-Group Study to Evaluate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamic Effects of Ocrelizumab in Children and Adolescents With Relapsing-Remitting Multiple Sclerosis
2 other identifiers
interventional
23
3 countries
12
Brief Summary
This 2-year study will evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamic (PD) effects of ocrelizumab in children and adolescents ages ≥ 10 to ≤ 18 years with relapsing-remitting multiple sclerosis (RRMS). The data from this study will serve to determine the dosing regimen of ocrelizumab to be further investigated in the subsequent Phase III study in children and adolescents.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2 multiple-sclerosis
Started Jan 2020
Longer than P75 for phase_2 multiple-sclerosis
12 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
August 14, 2019
CompletedFirst Posted
Study publicly available on registry
August 30, 2019
CompletedStudy Start
First participant enrolled
January 9, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 5, 2023
CompletedResults Posted
Study results publicly available
November 8, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2029
ExpectedDecember 23, 2025
December 1, 2025
3.7 years
August 14, 2019
October 16, 2024
December 5, 2025
Conditions
Outcome Measures
Primary Outcomes (3)
Dose Exploration Period: Area Under the Concentration Versus Time Curve of Ocrelizumab
The population PK model was used to simulate concentration-time course and predict individual area under the concentration versus time curve. The data for the PK parameter: area under the concentration versus time curve was collected and analyzed as per body weight range (\<40kg to ≥40 kg).
Pre-dose 5- 30 minutes and post-dose 30 mins on Days 1, 15 and 169; At any time on Days 29, 57, 85 and 113
Dose Exploration Period: Maximum Concentration (Cmax) of Ocrelizumab
The population PK model was used to simulate concentration-time course and predict individual Cmax. The data for the PK parameter: Cmax was collected and analyzed as per body weight range (\<40kg to ≥40 kg).
Pre-dose 5- 30 minutes and post-dose 30 mins on Days 1, 15 and 169; At any time on Days 29, 57, 85 and 113
Dose Exploration Period: Levels of CD 19+ B-cell Count in Blood
At Week 24
Secondary Outcomes (17)
Number of Participants With Adverse Events (AEs)
Up to 7 years
Dose Exploration Period: Level of Circulating T Cells and Natural Killer (NK) Cells
At Week 24
OOE Period: Level of Circulating T Cells and NK Cells
Up to 5 years
Dose Exploration Period: Level of Circulating Lymphocyte, Neutrophil, Monocyte and Leukocyte
At Week 24
OOE Period: Level of Circulating Lymphocyte, Neutrophil, Monocyte and Leukocyte
Up to 5 years
- +12 more secondary outcomes
Study Arms (4)
Cohort 1
EXPERIMENTALParticipants with a body weight from \>/= 25 kg to \< 40 kg (with at least 2 participants with a body weight from \>/= 25 kg to \</= 35 kg) will receive 300 milligram (mg) ocrelizumab
Cohort 2
EXPERIMENTALParticipants with a body weight \>/= 40 kg (with at least 2 participants with a body weight \>/= 40 kg but \</= 50 kg) will receive 600 mg ocrelizumab
Cohort 3 (optional)
EXPERIMENTALBased on PK, PD, safety, and tolerability data analyses of Cohorts 1 and 2, additional participants with a body weight from \>/= 25 kg to \< 40 kg may be enrolled and receive another dose level of ocrelizumab
Cohort 4 (optional)
EXPERIMENTALBased on PK, PD, safety, and tolerability data analyses of Cohorts 1 and 2, additional participants with a body weight \>/= 40 kg may be enrolled and receive another dose level of ocrelizumab
Interventions
Ocrelizumab is administered as two infusions of half the dose given 14 days apart for the first dose, then subsequent doses are administered as a single infusion every 24 weeks. Cohort 1: total dose of 300 mg Cohort 2: total dose of 600 mg Cohort 3 and 4: additional dose level(s) may be lower than 300 mg, between 300 mg and 600 mg, or higher than 600 mg, but will be no higher than 1200 mg
Eligibility Criteria
You may qualify if:
- Body weight \>/= 25 kg
- Children and adolescents must have received all childhood required vaccinations
- Female participants of childbearing potential must agree to either remain completely abstinent or to use reliable means of contraception
- Diagnosis of relapsing-remitting multiple sclerosis (RRMS)
- Expanded Disability Status Scale (EDSS) at screening: 0-5.5, inclusive
- Neurologic stability for \>/= 30 days prior to screening, and between screening and baseline
- Participants naive to prior disease-modifying therapy (DMT)
- Participants who have had at least 6 contiguous months of DMT within the past 1 year must have evidence of disease activity occurring after the full 6-month course of treatment, that is, at least one relapse or \>/= 1 Gd-enhancing lesion(s) on a T1-weighted brain MRI
You may not qualify if:
- Known presence or suspicion of other neurologic disorders that may mimic MS, including, but not limited to, acute disseminated encephalomyelitis, neuromyelitis optica or neuromyelitis optica spectrum disorders and any neurologic, somatic, or metabolic condition that could interfere with brain function or normal cognitive or neurological development
- Patients that are aquaporin 4 positive and myelin oligodendrocyte glycoprotein (MOG) antibody positive are not eligible to participate in the study.
- In case of an ADEM-like appearance of the first MS attack, a second attack with clear MS-like features is required.
- Infection requiring hospitalization or treatment with IV anti-infective agents
- History or known presence of recurrent or chronic infection (e.g., HIV, syphilis, tuberculosis)
- Receipt of a live or live-attenuated vaccine within 6 weeks prior to treatment allocation
- History or laboratory evidence of coagulation disorders
- Peripheral venous access that precludes IV administration and venous blood sampling
- Inability to complete a magnetic resonance imaging (MRI) scan
- History of cancer, including solid tumors, hematologic malignancies, and carcinoma in situ
- History of a severe allergic or anaphylactic reaction to humanized or murine monoclonal antibody (mAbs) or known hypersensitivity to any component of ocrelizumab solution
- Previous treatment with B-cell-targeted therapies
- Percentage of CD4 \< 30%
- Absolute Neutrophil Count \< 1.5x1000/microliter
- Lymphocyte count below the lower limit of normal (LLN) for age- and sex-specific reference range
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (12)
University of Colorado Denver Childrens Hospital Rocky Mountain MS Center
Aurora, Colorado, 80045, United States
Childrens National Health Center
Washington D.C., District of Columbia, 20010, United States
Boston Childrens Hospital
Boston, Massachusetts, 02115, United States
Washington Universtiy school of Medicine
St Louis, Missouri, 63110, United States
Cleveland Clinic
Cleveland, Ohio, 44195, United States
Ospedale Pediatrico Bambino Gesù
Rome, Lazio, 00165, Italy
Azienda Ospedaliera Sant'Andrea
Rome, Lazio, 00189, Italy
AOU Policlinico V. Emanuele - P.O G. Rodolico
Catania, Sicily, 95123, Italy
Uniwersyteckie Centrum Kliniczne
Gda?sk, 80-952, Poland
Uniwersytecki Szpital Kliniczny w Poznaniu
Późna, 60-355, Poland
Dzieci?cy Szpital Kliniczny im. Józefa Polikarpa Brudzi?skiego
Warsaw, 02-091, Poland
Instytut Pomnik Centrum Zdrowia Dziecka
Warsaw, 04-730, Poland
Related Publications (1)
Mar S, Valeriani M, Steinborn B, Schreiner T, Waubant E, Filippi M, Kotulska K, Mazurkiewicz-Beldzinska M, El Azzouzi B, Lin CJ, Shen YA, Kletzl H, Evershed J, Hogea A, Manlius C, Bonati U, Banwell B. Ocrelizumab dose selection for treatment of pediatric relapsing-remitting multiple sclerosis: results of the OPERETTA I study. J Neurol. 2025 Jan 15;272(2):137. doi: 10.1007/s00415-024-12879-z.
PMID: 39812825DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Medical Communications
- Organization
- Hoffmann-La Roche
Study Officials
- STUDY DIRECTOR
Clinical Trials
Hoffmann-La Roche
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 14, 2019
First Posted
August 30, 2019
Study Start
January 9, 2020
Primary Completion
October 5, 2023
Study Completion (Estimated)
December 1, 2029
Last Updated
December 23, 2025
Results First Posted
November 8, 2024
Record last verified: 2025-12
Data Sharing
- IPD Sharing
- Will share
For eligible studies, qualified researchers may request access to individual patient level clinical data. See Roche's commitment to transparency of clinical study information here: https://go.roche.com/data\_sharing