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Secondary-progressive Multiple SclerosisPhase 2/3NCT04925557

Study to Assess the Efficacy of Mayzent on Microglia in Secondary Progressive Multiple Sclerosis

A Phase 2/3 study testing Mayzent and Ocrevus in people with Secondary-progressive Multiple Sclerosis, run by State University of New York at Buffalo at 1 site in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

To assess the efficacy of Mayzent on microglia pathology in patients with active SPMS, as compared to the active control group of MS patients treated with the Ocrevus, as measured by changes in microglial activation in the lesional and non-lesional NAWM and NAGM and in the peri-plaque area of chronic lesions in the… Read more about this study

Who is it for?
Ages 18 to 60 years
Conditions the study is for
Secondary-progressive Multiple Sclerosis
What is being tested?
Mayzent and Ocrevus
Could I receive a placebo?
No, everyone receives an active treatment
How many people
8 participants
Where
1 siteUnited States
Study dates
13 Nov 2021to 5 Aug 2023
Phase
Phase 2/3
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 60 years
  • All sexes
  • No healthy volunteers
  • Adult

Who may be able to join

  • Patients diagnosed with active SPMS according to the Lublin 2014 criteria. Activity is determined by MRI activity (contrast-enhancing lesions; new and unequivocally enlarging T2 lesions) and/or clinical relapses in the 24 months prior to the study baseline. If the clinical MRI is not available to determine the activity (contrast-enhancing lesions; new and unequivocally enlarging T2 lesions), then a screening MRI will be offered to the subjects to determine inclusion/exclusion criteria eligibility.
  • Age between 18 and 60 years
  • Have EDSS scores between 3.0 and 6.5
  • Treatment naïve to both Mayzent and to Ocrevus
  • Not being on S1P modulators or B-cell therapies for the last 9 months
  • Subjects starting treatment as part of their clinical routine
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  • Be willing and able to comply with the study procedures for the duration of the trial
  • Have given written informed consent and signed Health Insurance Portability and Accountability Act (HIPAA) authorization before any study-related activities are carried out
  • Normal kidney functioning (creatinine clearance >59)
  • No known hypersensitivity reactions to contrast agents
  • None of the exclusion criteria

Who cannot join

  • Have received treatment within 30 days prior to enrollment with steroids or any other concomitant immunomodulatory therapies
  • Have received an investigational drug or experimental procedure within the past 30 days
  • Low affinity (LAB) for the DNA single nucleotide polymorphism (SNP) of the TSPO gene on chromosome 22q13.2, using a TaqMan assay
  • A CYP2C9*3/*3 genotype
  • Have experienced myocardial infarction, unstable angina, stroke, TIA, decompensated heart failure requiring hospitalization, or Class III/IV heart failure in the last 6 months
  • Presence of Mobitz type II second-degree, third-degree AV block, or sick sinus syndrome, unless patient has a functioning pacemaker
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  • Patients with active HBV confirmed by positive results for HBsAg and anti-HBV tests
  • Conditions that may be associated with iron overload (e.g. hemochromatosis, thalassemia and recent blood transfusions)
  • Patients with known hypersensitivity to Feraheme® or any of its components or a history of allergic reaction to any intravenous iron product
  • Women who are pregnant, lactating or of childbearing age who do not consent to approved contraceptive use during the study
  • Subjects who are scheduled for a routine diagnostic MRI exam in the next 4 weeks
  • Other warnings and precautions to Mayzent or Ocrevus treatment according to Prescribing Information (PI) will be examined on an individual basis

Trial locations and contacts

1 site in 1 country.

United States1 site
  • University at Buffalo, Buffalo General Hospital

    Buffalo, New York, 14203

Other trials in United States

About this study

Official title: Open-label, Single-blind, Observational, Comparative, Prospective, 36-month, Longitudinal, Controlled Study to Assess Efficacy of Siponimod (Mayzent®) on Microglia in Patients With Active Secondary Progressive Forms of Multiple Sclerosis

To assess the efficacy of Mayzent on microglia pathology in patients with active SPMS, as compared to the active control group of MS patients treated with the Ocrevus, as measured by changes in microglial activation in the lesional and non-lesional NAWM and NAGM and in the peri-plaque area of chronic lesions in the brain.

Read the detailed description

Multiple sclerosis (MS) is primarily a demyelinating disease of the central nervous system (CNS), but many patients also undergo progressive atrophy, especially in the gray matter (GM). GM atrophy plays a particularly prominent role in development of cognitive and physical disability in MS. Evidence is mounting that there is a profound infiltration of activated microglia and blood-borne macrophages throughout the lesions, whereas in slowly expanding (smoldering) or chronic active expanding lesions, the microglia and macrophages are concentrated as a dense rim around the lesions. Microglia is also activated, in a more diffuse way, in the white matter (WM) and GM with concomitant axonal degeneration and meningeal inflammation. Thus, chronic activation of microglia has been linked to neurodegeneration in the progressive phase of the disease and development of brain atrophy.

No longitudinal studies in MS examined the association between development of microglia-related pathology in patients treated with siponimod (Mayzent®). This will be the first study to examine the treatment effect of Mayzent on microglia in MS.

Being tested
Mayzent, Ocrevus
Medical subject headings
Multiple Sclerosis, Chronic Progressive

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • MayzentDrug

    PET imaging to evaluate the effects of Mayzent on the microglia of the brain.

  • OcrevusDrug

    PET imaging to evaluate the effects of Ocrevus on the microglia of the brain.

Study groups in NCT04925557
Study groupRoleWhat they receive
OcrevusActive comparatorPatients diagnosed with secondary-progressive multiple sclerosis who have been prescribed Ocrevus by their neurologist.
Receives: Drug: Ocrevus
MayzentActive comparatorPatients diagnosed with secondary-progressive multiple sclerosis who have been prescribed Mayzent by their neurologist.
Receives: Drug: Mayzent

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change From Baseline in PET Activation at 12 Months

    Change from baseline in PET activation of PBR06 in lesional and non-lesional NAWM and NAGM in the brain of the patients under treatment with Mayzent when 100% of patients reach 12 months;

    Measured: 12 months

Secondary outcomes (2)
  1. Change From Baseline in PET Activation at 6,12,24 and 36 Months Between Mayzent and Active Comparator

    Change from baseline in PET activation of PBR06 in lesional and non-lesional NAWM and NAGM in the brain of the patients treated with Mayzent and active control group at 6, 12, 24 and 36 months from baseline

    Measured: 6, 12, 24 and 36 months

  2. Number of New Ultrasmall Superparamagnetic Iron Oxide Particles

    The cumulative number of new ultrasmall superparamagnetic iron oxide (USPIO) particles contrast enhancing (CE) active lesions on T1-weighted images between Mayzent and active control group, as measured at 6, 12, 24 and 36 months from baseline.

    Measured: 6, 12, 24 and 36 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted14 Jun 2021
  2. Study start13 Nov 2021
  3. Primary completion1 Jun 2023
  4. Study completion5 Aug 2023

Why it stopped: Lack of recruitment

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2/3
Primary purpose
Diagnosis
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
8 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04925557
Sponsor's protocol ID
00003884
Status last verified
Apr 2025
First submitted
24 May 2021
Last updated
13 May 2025
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 2/3 study testing Mayzent and Ocrevus in people with Secondary-progressive Multiple Sclerosis, run by State University of New York at Buffalo at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 11 inclusion and 12 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 13 May 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 13 May 2025). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change From Baseline in PET Activation at 12 Months (time frame: 12 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 13 May 2025.

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