Ocrelizumab for Early Multiple Sclerosis

(IMPACT MS Trial)

RL
NO
Overseen ByNaomi Okinishi, BS MPH
Age: 18 - 65
Sex: Any
Trial Phase: Phase 4
Sponsor: University of California, San Francisco
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)
Prior Safety DataThis treatment has passed at least one previous human trial
Breakthrough TherapyThis drug has been fast-tracked for approval by the FDA given its high promise
Approved in 3 JurisdictionsThis treatment is already approved in other countries

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial explores whether the drug ocrelizumab (also known as Ocrevus or Ocrevus Zunovo), administered immediately after diagnosis, can alter signs of long-term inflammation in individuals with early-stage multiple sclerosis (MS) or high-risk clinically isolated syndrome (CIS). Participants will either receive ocrelizumab or join a comparison group that does not receive this treatment. The trial aims to determine if early treatment improves disease management. It is suitable for those recently diagnosed with relapsing MS or high-risk CIS within the last 90 days who have not yet received any MS-specific treatments. As a Phase 4 trial, this study involves an FDA-approved treatment and seeks to understand its benefits for more patients.

Will I have to stop taking my current medications?

The trial does not specify if you need to stop taking your current medications, but you cannot have taken any MS disease-modifying therapy before, and you must not have used corticosteroids within 7 days of the first ocrelizumab treatment.

What is the safety track record for ocrelizumab?

Studies have shown that ocrelizumab is generally safe for people with multiple sclerosis (MS). About 49% of patients experience reactions at the injection site, such as itching, rash, or fever, but these symptoms are usually easy to manage. The safety profile of ocrelizumab has remained stable over time, with no new safety issues reported. Additionally, the FDA has approved ocrelizumab for treating certain types of MS, further supporting its safety for human use.12345

Why are researchers enthusiastic about this study treatment?

Ocrelizumab is unique because it specifically targets CD20-positive B cells, which play a pivotal role in the development of multiple sclerosis (MS). Unlike traditional MS treatments that often focus on T cells or use broad-spectrum immunosuppression, ocrelizumab offers a more targeted approach, potentially reducing the frequency of relapses and slowing disease progression with a more favorable safety profile. Researchers are excited about ocrelizumab because it has shown promise in effectively managing early MS, which could be a game-changer for those recently diagnosed with the condition.

What is the effectiveness track record for ocrelizumab in treating early multiple sclerosis?

Research has shown that ocrelizumab effectively treats relapsing forms of multiple sclerosis (MS). Studies have found that ocrelizumab reduces the number of relapses, which are times when symptoms suddenly worsen, and it also slows the progression of physical disabilities. In this trial, participants with a first clinical presentation of MS or high-risk clinically isolated syndrome (CIS) will receive ocrelizumab. Ocrelizumab is already approved for treating relapsing MS and CIS, an early sign of MS. Over ten years of clinical trial data support this treatment, demonstrating significant benefits for people with MS.23567

Who Is on the Research Team?

BC

Bruce Cree, MD

Principal Investigator

University of California, San Francisco

Are You a Good Fit for This Trial?

This trial is for adults aged 18-50 newly diagnosed with relapsing MS or high-risk CIS, who haven't received any MS treatments and can start treatment within 90 days of their first symptoms. Participants must not be pregnant, planning pregnancy, or breastfeeding and agree to effective contraception.

Inclusion Criteria

I had my first MS-like symptoms and an MRI showing inactive lesions within the last 90 days.
I agree to use effective birth control or remain abstinent during and after the study.
Signed Consent Form
See 5 more

Exclusion Criteria

I have not been treated for latent or active tuberculosis.
You currently have a hepatitis C virus infection.
I am HIV positive.
See 8 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

Up to 90 days

Initial Treatment

Participants receive ocrelizumab (300 mg IV x 2 doses given 2 weeks apart) at disease origin

2 weeks

Maintenance Treatment

Participants receive maintenance ocrelizumab 600 mg every 6 months

30 months

Follow-up

Participants are monitored for safety and effectiveness after treatment

6 months

What Are the Treatments Tested in This Trial?

Interventions

  • Ocrelizumab
Trial Overview The study tests whether Ocrelizumab given at the onset of MS alters markers in cerebrospinal fluid that indicate chronic inflammation. It's aimed at understanding early intervention impacts on disease progression.
How Is the Trial Designed?
2Treatment groups
Active Control
Group I: Observational study cohortActive Control1 Intervention
Group II: Ocrelizumab treatedActive Control1 Intervention

Ocrelizumab is already approved in United States, European Union, Canada for the following indications:

🇺🇸
Approved in United States as Ocrevus for:
🇪🇺
Approved in European Union as Ocrevus for:
🇨🇦
Approved in Canada as Ocrevus for:

Find a Clinic Near You

Who Is Running the Clinical Trial?

University of California, San Francisco

Lead Sponsor

Trials
2,636
Recruited
19,080,000+

Valhalla Foundation

Collaborator

Trials
1
Recruited
30+

Valhalla Foundation

Collaborator

Trials
2
Recruited
1,200+

Genentech, Inc.

Industry Sponsor

Trials
1,578
Recruited
569,000+
Ashley Magargee profile image

Ashley Magargee

Genentech, Inc.

Chief Executive Officer since 2024

MBA from Harvard University, BA from Princeton University

Levi Garraway profile image

Levi Garraway

Genentech, Inc.

Chief Medical Officer since 2021

MD, PhD

Published Research Related to This Trial

In a study of 1104 multiple sclerosis patients treated with ocrelizumab over a median follow-up of 1.3 years, 94.5% were free of MRI activity, indicating strong effectiveness in stabilizing the disease.
Ocrelizumab was generally well tolerated, with only 10% of patients reporting side effects, primarily infusion-related reactions and infections, aligning with safety profiles observed in clinical trials.
Ocrelizumab treatment in multiple sclerosis: A Danish population-based cohort study.Pontieri, L., Blinkenberg, M., Bramow, S., et al.[2022]
Ocrelizumab is the first approved treatment for both relapsing-remitting multiple sclerosis (RRMS) and primary progressive multiple sclerosis (PPMS), demonstrating significant efficacy in slowing disability progression in PPMS patients at 12 and 24 weeks.
The safety profile of ocrelizumab aligns with findings from clinical trials, showing no unexpected safety concerns, which supports its use in managing multiple sclerosis.
Ocrelizumab: its efficacy and safety in multiple sclerosis.Juanatey, A., Blanco-Garcia, L., Tellez, N.[2019]
Ocrelizumab is a humanized anti-CD20 monoclonal antibody specifically designed to deplete B cells, which are implicated in the development of multiple sclerosis (MS).
Approved in March 2017 in the USA for treating both relapsing and primary progressive forms of MS, ocrelizumab represents a significant advancement in MS therapy, with its approval in the EU currently pending.
Ocrelizumab: First Global Approval.Frampton, JE.[2022]

Citations

Efficacy | OCREVUS® (ocrelizumab)Explore 10+ years of clinical trial efficacy data for OCREVUS® (ocrelizumab). See full safety for more information.
Genentech: Press Releases | Tuesday, Sep 23, 2025New data show that treatment with Ocrevus provides significant benefit in preventing disability progression across diverse groups of people with ...
Roche provides update on Phase III OCREVUS high dose ...The MUSETTE data further support the efficacy and safety profile of the currently approved OCREVUS IV 600 mg dose for RMS. “OCREVUS is the first ...
OCREVUS® (ocrelizumab) Results for RMS (Relapsing MS)OCREVUS reduced relapses and slowed disability progression in relapsing MS. In 2 large, identical clinical studies over 2 years, OCREVUS was proven effective ...
Ocrevus Zunovo - accessdata.fda.govOCREVUS ZUNOVO is indicated for the treatment of: • Relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting.
Safety | OCREVUS® (ocrelizumab)The most common adverse reaction observed with OCREVUS ZUNOVO in patients with RMS and PPMS was injection reactions (incidence of 49%).
Safety | OCREVUS ZUNOVO® (ocrelizumab & hyaluronidase ...The most common adverse reaction observed with OCREVUS ZUNOVO in patients with RMS and PPMS was injection reactions (incidence of 49%).
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