A Study to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics, and Efficacy of RO7268489 as Add-on Therapy to Ocrelizumab, in Participants With Progressive Forms of Multiple Sclerosis (MS)

NCT ID: NCT07282574

Last Updated: 2026-01-13

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Clinical Phase

PHASE2

Total Enrollment

360 participants

Study Classification

INTERVENTIONAL

Study Start Date

2026-01-30

Study Completion Date

2030-05-30

Brief Summary

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The main purpose of this study is to assess the efficacy of RO7268489 in adults with progressive multiple sclerosis (PMS) receiving ocrelizumab. After the end of the double-blind period, an open-label (OL) extension may allow eligible participants to receive open-label RO7268489.

Detailed Description

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Conditions

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Progressive Multiple Sclerosis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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RO7268489 Dose 1 + Ocrelizumab

Participants will receive RO7268489 along with ocrelizumab as per the pre-defined regimen.

Group Type EXPERIMENTAL

RO7268489

Intervention Type DRUG

RO7268489 will be administered per schedule as specified in the arms.

Ocrelizumab

Intervention Type DRUG

Ocrelizumab will be administered per schedule as specified in the arms.

RO7268489 Dose 2 + Ocrelizumab

Participants will receive RO7268489 along with ocrelizumab as per the pre-defined regimen.

Group Type EXPERIMENTAL

RO7268489

Intervention Type DRUG

RO7268489 will be administered per schedule as specified in the arms.

Ocrelizumab

Intervention Type DRUG

Ocrelizumab will be administered per schedule as specified in the arms.

RO7268489 Dose 3 + Ocrelizumab

Participants will receive RO7268489 along with ocrelizumab as per the pre-defined regimen.

Group Type EXPERIMENTAL

RO7268489

Intervention Type DRUG

RO7268489 will be administered per schedule as specified in the arms.

Ocrelizumab

Intervention Type DRUG

Ocrelizumab will be administered per schedule as specified in the arms.

Placebo + Ocrelizumab

Participants will receive RO7268489 matching placebo along with ocrelizumab as per the pre-defined regimen.

Group Type PLACEBO_COMPARATOR

Ocrelizumab

Intervention Type DRUG

Ocrelizumab will be administered per schedule as specified in the arms.

Placebo

Intervention Type DRUG

Placebo will be administered per schedule as specified in the arms.

Interventions

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RO7268489

RO7268489 will be administered per schedule as specified in the arms.

Intervention Type DRUG

Ocrelizumab

Ocrelizumab will be administered per schedule as specified in the arms.

Intervention Type DRUG

Placebo

Placebo will be administered per schedule as specified in the arms.

Intervention Type DRUG

Other Intervention Names

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RO4964913, Ocrevus

Eligibility Criteria

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Inclusion Criteria

* PMS, in accordance with the revised 2017 McDonald criteria
* Expanded disability status scale (EDSS) at screening between 3.0 and 6.0 inclusive

Exclusion Criteria

* MS relapse during the 6 months preceding the randomization date
* Lack of peripheral venous access
* History of alcohol or other drug abuse, in the opinion of the investigator, within 5 years prior to screening
* Inability to complete an magnetic resonance imaging (MRI)
* Contraindications to ocrelizumab mandatory pre-medications
* Treatment with intravenous immunoglobulin (IV Ig) or plasmapheresis within 12 weeks prior to screening
Minimum Eligible Age

18 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Hoffmann-La Roche

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Clinical Trials

Role: STUDY_DIRECTOR

Hoffmann-La Roche

Central Contacts

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Reference Study ID Number: BP46016 https://forpatients.roche.com/

Role: CONTACT

888-662-6728 (U.S. Only)

Other Identifiers

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2025-521636-10-00

Identifier Type: CTIS

Identifier Source: secondary_id

BP46016

Identifier Type: -

Identifier Source: org_study_id

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