Trial results

Note: This story was updated March 6, 2025, to clarify the specific disability measures and results assessed in each trial. Sanofi’s experimental BTK inhibitor tolebrutinib may be more effective at reducing the risk of disability accumulation in people with multiple sclerosis (MS) who have evidence of paramagnetic…

Note: This study was updated March 3, 2025, to correct that a ketogenic diet is a low-carbohydrate, high-fat diet. Eating a version of the low-carbohydrate, high-fat ketogenic diet for six months led to an anti-inflammatory shift in immune cell populations among people with stable, relapsing-remitting multiple sclerosis (RRMS)…

Intranasal foralumab can modulate a number of immune cell types in people with nonactive secondary progressive multiple sclerosis (SPMS), a study showed, revealing new immune biomarkers that show how the therapy exerts its effects in people with the condition. After three months of treatment, gene activity data showed that…

OCS-05, an experimental medication that Oculis is developing to treat acute optic neuritis, a common symptom of multiple sclerosis (MS) that can lead to vision loss, was well tolerated and improved measures of vision and eye health in a Phase 2 clinical trial. The ACUITY study (NCT04762017) included…

IRX4204, a compound that Io Therapeutics is developing to treat neurological diseases, facilitated myelin repair and improved walking abilities in a mouse model of multiple sclerosis (MS) in a recent study, scientists report. “Our findings support the therapeutic potential of IRX4204 to promote functional neurologic recovery in…

Men with multiple sclerosis (MS) who started on high-efficacy disease-modifying therapies (DMTs) experienced significantly fewer relapses than those who started with moderate-efficacy DMTs, according to real-world claims analysis involving more than 10,000 U.S. patients. “No significant difference in relapse was found among females,” researchers wrote. “This observation highlights…

LPX-TI641, Lapix Therapeutics‘ experimental oral therapy to restore immune system balance in people with multiple sclerosis (MS) and other autoimmune diseases, was found safe and well tolerated at all doses tested in healthy adults. That’s according to top-line data from a Phase 1 trial (NCT05853835), which…

Transplanting genetically engineered oligodendrocyte progenitor cells (OPCs), which give rise to mature myelin-making cells, significantly boosted myelin repair in mice with multiple sclerosis (MS)-like chronic brain lesions. The cells were engineered to ignore chemical signals that would normally inhibit OPCs being recruited into lesions and then restore…

Sanofi has ended a Phase 2 clinical trial into oditrasertib, an investigational RIPK1 inhibitor therapy, in people with relapsing and progressive multiple sclerosis (MS) after it failed to meet its goals. The study, which had started dosing early last year, failed to show that oditrasertib significantly lowered…

By studying pairs of identical twins, researchers have identified a population of immune cells whose early activation and migration into the brain might contribute to multiple sclerosis (MS) onset. MS patients showed an altered profile of a population of immune cells called CD8 T-cells in the blood relative to…

Daily treatment with high-dose simvastatin, a widely used cholesterol-lowering medication, failed to slow disability progression in adults with secondary progressive disease or SPMS, according to top-line data from a Phase 3 clinical study. Jeremy Chataway, PhD, a professor of neurology at University College London (UCL) in the U.K.,…

Continuous treatment with Briumvi (ublituximab) over five years was associated with low rates of relapses and confirmed disability progression among people with relapsing forms of multiple sclerosis (MS), according to analyses from the open-label extension (OLE) phase of the treatment’s ULTIMATE Phase 3 trials. Relative to patients who…

A short course of treatment with Mavenclad (cladribine) can provide long-term reductions in disease activity and disability progression for as long as four years in adults with highly active, relapsing forms of multiple sclerosis (MS), according to new data from the MAGNIFY-MS studies. The majority of patients had…

Treatment with the investigational BTK inhibitor tolebrutinib significantly delayed the onset of confirmed disability progression in people with nonrelapsing secondary progressive multiple sclerosis (SPMS) compared with a placebo, meeting the primary goal of the HERCULES Phase 3 trial. A preliminary analysis of liver safety was consistent with previous…

Blocking the activity of a protein called connexin 43 (Cx43) may be an effective strategy to treat multiple sclerosis (MS), according to a recent study in animal models of the disease. A compound called INI-0602, which was designed to inhibit this protein, significantly eased disease severity in mice, including…

Kesimpta (ofatumumab) is more effective than Aubagio (teriflunomide) among people with multiple sclerosis (MS) from ethnically diverse groups, including Black and African American, Hispanic and Latino, and Asian individuals, according to an analysis of pooled clinical trial data. “Determining whether there are differences in how people respond…

Using a newly developed molecular analysis, a research team has discovered previously unknown subsets of immune cells and genes that may play a role in multiple sclerosis (MS) and other immune-mediated diseases. “We discovered new types of helper T cells as well as genes related to immune disorders. We…

Researchers have identified characteristics of regulatory T-cells (Tregs) — a family of immune cells that help keep harmful immune reactions in check — that could make it easier to develop targeted treatments for autoimmune conditions like multiple sclerosis (MS). They found that Tregs exist as a common pool that…

Two inverse vaccines from Nykode Therapeutics — developed to teach the immune system not to respond against its own body — worked to reduce disease severity in a mouse model of multiple sclerosis (MS), new data show. This adds to earlier findings that the company’s experimental approach and…

Most patients with nonactive secondary progressive multiple sclerosis (SPMS) who took foralumab nasal spray for at least six months saw a decrease in microglial activity in their brains, according to its developer Tiziana Life Sciences. The results were gleaned from PET imaging data from 10 nonactive SPMS patients…

Scientists in Iran have discovered a new way to convert astrocytes — star-shaped brain cells that support nerve function — into oligodendrocytes, the cells that make and repair myelin in the brain. When the converted cells were transplanted into the brains of mice with myelin damage like that seen in…

A lower dose of the experimental oral therapy vidofludimus calcium (IMU-838) was not as effective as higher doses at reducing lesions in people with relapsing-remitting multiple sclerosis (RRMS), extended data from the therapy’s Phase 2 EMPhASIS trial show. “We found that doses of 30 mg and 45 mg,…

A subcutaneous (under-the-skin) formulation of Ocrevus (ocrelizumab) helped most adults with multiple sclerosis (MS) remain free of clinical relapses and new or worsening brain lesions, according to one-year data from the Phase 3 OCARINA II study. Given twice a year as a 10-minute injection, this formulation of Ocrevus…

Two years of treatment with Briumvi (ublituximab) in clinical trials resulted in a confirmed reduction in disability for more than 1 in 10 people with early relapsing multiple sclerosis (MS) who had not received any prior treatment. That’s according to new data from the ULTIMATE Phase 3 trials,…

Long-term treatment with Clene Nanomedicine‘s experimental oral therapy CNM-Au8 led to signs of sustained improvements in nerve and myelin health for people with relapsing-remitting multiple sclerosis (RRMS) over three years, according to new data from the VISIONARY-MS clinical trial. The findings continue to support Clene’s plans to…

A stem cell transplant effectively reduced the abnormal immune response that drives multiple sclerosis (MS) progression by altering a specific group of immune cells called myeloid cells, a mouse study showed. Treatment with a compound that suppressed a receptor called CSF1R improved the transplantation efficiency of myeloid cells…

People who start treatment with Tysabri (natalizumab) soon after being diagnosed with multiple sclerosis (MS) are at a lower risk of relapse in the long term compared with patients who start on less effective disease-modifying therapies (DMT), a study has found. Patients on Tysabri, an antibody-based therapy,…

In multiple sclerosis (MS), lesions — areas of abnormal tissue in the nervous system — start as a core of a few inflammatory immune cells, with inflammatory damage then spreading outward from these cells to form a lesion. That’s according to a new study from Sweden, in which researchers…

People with relapsing forms of multiple sclerosis (MS) being treated with an infusion CD20 inhibitor such as Ocrevus (ocrelizumab) can safely transition to the more recent Briumvi (ublituximab-xiiy), which is given in shorter infusion times. That’s according to data from the ENHANCE Phase 3b clinical trial…

The antihistamine clemastine accelerated disease progression by more than five times in some adults with progressive multiple sclerosis (MS) who received it in a Phase 1/2 trial, new data show. Joanna Kocot, PhD, a neuroscientist at the National Institutes of Health (NIH), showed that this effect is at least…