Sanofi

Note: This story was updated Sept. 23, 2025, to correct the generic name of Aubagio from tolebrutinib to teriflunomide. The U.S. Food and Drug Administration (FDA) has delayed by three months its decision on whether or not to approve Sanofi’s tolebrutinib as a treatment for multiple sclerosis (MS),…

Frexalimab, an experimental antibody-based medication, was well tolerated and maintained disease control over two years in adults with relapsing forms of multiple sclerosis (MS). That’s according to new data from an open-label extension to a Phase 2 clinical trial (NCT04879628) in which frexalimab outperformed a placebo at reducing…

Bolstered by Phase 2 trial data showing that frexalimab safely reduces the number of brain lesions in people with relapsing forms of multiple sclerosis (MS), developer Sanofi has launched a pair of Phase 3 studies that will test the investigational therapy in relapsing and progressive MS. One of…

The U.S. Food and Drug Administration (FDA) has placed a partial clinical hold on Phase 3 trials testing the investigational therapy tolebrutinib in people with multiple sclerosis (MS) and myasthenia gravis based on reports of medication-induced liver injury. Under the clinical hold, new enrollment at U.S. sites…

Tolebrutinib, an investigative inhibitor of Bruton’s tyrosine kinase (BTK) being developed by Sanofi to treat all forms of multiple sclerosis (MS), shows the potential to be more potent than other BTK inhibitors also in advanced clinical trials, scientists reported. The findings, based on preclinical data, were shared at the Americas…

Aubagio (teriflunomide) failed to significantly reduce relapses in children with multiple sclerosis (MS), but two years of treatment decreased the number of brain lesions on MRI scans, according to the final results of the Phase 3 TERIKIDS clinical trial. Importantly, the lack of a signficantly lower relapse rate…

Sanofi Genzyme has extended its collaboration with Koneksa to bring digital measures into its Phase 3 trials of tolebrutinib, an investigational therapy for relapsing and progressive forms of multiple sclerosis (MS). Through this joint effort, Koneksa’s digital biomarkers were applied to clinical trials of Parkinson’s…

The U.S. Food and Drug Administration (FDA) has rejected an application requesting the expansion of Aubagio (teriflunomide) for the treatment of children and adolescents, ages 10 to 17, with relapsing forms of multiple sclerosis (MS). “The FDA deemed the data submitted were not sufficient to obtain approval of…

Treatment with Zeposia (ozanimod) significantly reduces the risk of relapse, decreases the proportion of patients experiencing a relapse, and has a better safety profile than Aubagio (teriflunomide) for people with relapsing multiple sclerosis (MS), according to an indirect comparison of clinical trial data.

In a $3.68 billion transaction, Sanofi is preparing to acquire Principia Biopharma, a biopharmaceutical company focused on the development of therapies for disorders caused by dysregulation of the immune system, including multiple sclerosis (MS). The decision was unanimously approved by the board of directors of…

A first person has enrolled in Sanofi’s Phase 3 trial evaluating SAR442168, an oral BTK inhibitor intended to treat relapsing forms of multiple sclerosis (MS), Sanofi’s partner, Principia Biopharma, announced. “We are delighted that Sanofi has initiated … [this] trial in patients with relapsing MS,” Roy Hardiman, chief…

Five people with multiple sclerosis (MS) who tested positive for COVID-19 while being treated with Aubagio (teriflunomide)  all developed a mild infection, had good outcomes, and experienced no disease relapses, a case study reported. These findings suggest that use of Aubagio, a disease-modifying therapy that acts on the immune system,…

A new public-private initiative brings academic and industry researchers from 15 European countries together in a large-scale effort to understand differences and commonalities in seven immune-mediated and inflammatory diseases, including multiple sclerosis, so to better predict a patient’s likely response to treatment and likely disease progression. The project, called 3TR…

Many of us have received help to pay for our MS medications. Now there’s a chance that assistance could be threatened. A recent article in the The Wall Street Journal reports that U.S. government prosecutors are looking into whether some pharmaceutical companies’ patient assistance programs are on the wrong…

Hair thinning in relapsing-remitting multiple sclerosis (RRMS) patients using Aubagio is usually mild and temporary, and does not require stopping treatment, a small real-world study reports. The research, “Real-World Observational Evaluation of Hair Thinning in Patients with Multiple Sclerosis Receiving Teriflunomide: Is It an Issue in Clinical…

The U.K.’s National Health Service (NHS) turned 70 last week. In England, yes, we are mourning our semi-final defeat by Croatia in the World Cup, but to most of us, the NHS is the U.K.’s crowning glory. There are innumerable problems and proposed solutions involving the institution, yet…