A Study to Investigate the Safety, Tolerability, Pharmacokinetics, Immunogenicity, and Pharmacodynamics of a New Subcutaneous Formulation of Ocrelizumab in Participants With Multiple Sclerosis
OCARINA 3
A Phase 1b Multicenter, Non-randomized, Open-label Study to Investigate the Safety, Tolerability, Pharmacokinetics, Immunogenicity, and Pharmacodynamics of Single Ascending Doses of a New Subcutaneous Formulation of Ocrelizumab in Patients With Multiple Sclerosis
2 other identifiers
interventional
75
4 countries
12
Brief Summary
The main purpose of this study is to evaluate the safety and tolerability of the ocrelizumab subcutaneous (SC) test formulation in participants with multiple sclerosis (MS). The study consists of two treatment phases: a dose-escalation and dose-continuation phase. Participants will receive single ascending doses of ocrelizumab SC during an initial dose-escalation phase, with the option to continue treatment with the selected dose of ocrelizumab SC in the dose-continuation phase.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1 multiple-sclerosis
Started Dec 2024
Typical duration for phase_1 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
Study Start
First participant enrolled
December 17, 2024
CompletedFirst Submitted
Initial submission to the registry
June 18, 2026
CompletedFirst Posted
Study publicly available on registry
June 25, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 15, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
August 1, 2028
June 25, 2026
June 1, 2026
3.2 years
June 18, 2026
June 18, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of Participants With Adverse Events (AEs)
Up to 168 weeks
Secondary Outcomes (3)
Ocrelizumab Serum Concentration at Specified Timepoints Following Single SC Administration
Up to 168 weeks
Number of Participants With Treatment-emergent Anti-drug Antibodies (ADAs) to Ocrelizumab
Up to 168 weeks
Number of Participants With Treatment-emergent ADAs to rHuPH20
Up to 168 weeks
Study Arms (1)
Ocrelizumab SC
EXPERIMENTALParticipants will receive single ascending doses of ocrelizumab SC, co-formulated with recombinant human hyaluronidase (rHuPH20) on Day 1 of the 24 week dose-escalation phase. Participants who opt to continue treatment in the dose continuation phase will receive ocrelizumab SC at a dose determined in the dose escalation phase, every 24 weeks (Q24W) for 144 weeks.
Interventions
Participants will receive ocrelizumab co-formulated with rHuPH20, as a SC injection, per the schedule specified in the treatment arm.
Eligibility Criteria
You may qualify if:
- Diagnosis of Primary Progressive Multiple Sclerosis (PPMS) or Relapsing Multiple Sclerosis (RMS) according to the revised McDonald 2017 criteria (Thompson et al. 2018)
- Expanded Disability Status Scale (EDSS) score, 0-6.5, inclusive, at screening
You may not qualify if:
- Participants who have previously received anti-cluster of differentiation 20 (CD20s) (including ocrelizumab) less than 2 years before screening
- Any known or suspected active infection at screening or baseline (except nailbed infections), or any major episode of infection requiring hospitalization or treatment with intravenous (IV) antimicrobials within 8 weeks prior to and during screening or treatment with oral antimicrobials within 2 weeks prior to and during screening
- History of confirmed or suspected progressive multifocal leukoencephalopathy (PML)
- History of cancer, including hematologic malignancy and solid tumors, within 10 years of screening
- Immunocompromised state
- Any concomitant disease that may require chronic treatment with systemic corticosteroids or immunosuppressants during the course of the study
- Significant, uncontrolled disease, such as cardiovascular (including cardiac arrhythmia), pulmonary (including obstructive pulmonary disease), renal, hepatic, endocrine or gastrointestinal, or any other significant disease that may preclude participation in the study
- Lack of peripheral venous access
- Previous treatment with cladribine, atacicept, and alemtuzumab
- Previous treatment with fingolimod, siponimod, ponesimod, or ozanimod within 6 weeks of baseline
- Any previous treatment with bone marrow transplantation and hematopoietic stem cell transplantation
- Any previous history of transplantation or anti-rejection therapy
- Positive screening tests for active, latent, or inadequately treated hepatitis B
- Sensitivity or intolerance to any ingredient (including excipients) of ocrelizumab
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (12)
Profound Research, LLC
Carlsbad, California, 92011, United States
Neurology Associates, PA
Maitland, Florida, 32751, United States
University of South Florida
Tampa, Florida, 33612, United States
Shepherd Center Inc.
Atlanta, Georgia, 30309, United States
John Hopkins University School of Medicine
Baltimore, Maryland, 21287, United States
Hope Neurology
Knoxville, Tennessee, 37922, United States
Instituto de Neurologia de Curitiba
Curitiba, Paraná, 81210-310, Brazil
Centro de Pesquisas Clinicas
São Paulo, São Paulo, 01228-200, Brazil
Centro de Investigacion Medico Biologico y Terapia Avanzada, S.C.
Guadalajara, Jalisco, 44130, Mexico
Inovacion y Desarrollo en ciencias de la salud
Mexico City, Mexico CITY (federal District), 14090, Mexico
Nottingham University Hospitals NHS Trust
Nottingham, NG7 2UH, United Kingdom
Morriston Hospital
Swansea, SA6 6NL, United Kingdom
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Clinical Trials
Hoffmann-La Roche
Central Study Contacts
Reference Study ID Number: WN45319 https://forpatients.roche.com/
CONTACT
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 18, 2026
First Posted
June 25, 2026
Study Start
December 17, 2024
Primary Completion (Estimated)
February 15, 2028
Study Completion (Estimated)
August 1, 2028
Last Updated
June 25, 2026
Record last verified: 2026-06
Data Sharing
- IPD Sharing
- Will not share