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HomeBrain & NervesEfficacy and Safety Studies of Frexalimab (SAR441344) in…

Efficacy and Safety Studies of Frexalimab (SAR441344) in Adults With Relapsing Forms of Multiple Sclerosis

25 March 2026 Read original ↗
🅇 This trial is currently recruiting participants in the UK
Speak to your GP or specialist first. They can help you understand if you might be eligible and what taking part would involve.
🅇 This trial is currently recruiting volunteers
If you think you might be eligible, speak to your GP or specialist about this trial before applying.
Status
Recruiting
Phase
PHASE3
Participants
ALL
Age Range
18 Years – 55 Years

About This Trial

The purpose of each study is to independently measure the annualized relapse rate (ARR) with administration of frexalimab compared to a daily oral dose of teriflunomide in male and female participants with relapsing forms of multiple sclerosis (aged 18 to 55 years at the time of enrollment). People diagnosed with relapsing forms of multiple sclerosis are eligible for enrollment as long as they meet all the inclusion criteria and none of the exclusion criteria.

Study details include:

* This event-driven study will have variable duration depending on the recruitment rate, the event rate, the study discontinuation rate and the 12-month minimum treatment duration. Different participants will have different study durations. The last participant randomized will have at least 12 months of study duration, and assuming a 28-month recruitment period, the first participant randomized will have 40 months or longer of study duration.
* The study intervention duration will vary similarly as the study duration.
* The assessment of scheduled visits will include 1 common end of study [EOS] visit and 3 follow-up visits) with a visit frequency of every 4 weeks for the first 6 months and then every 3 months.

Who Can Join?

Inclusion Criteria: * The participant must have been diagnosed with RMS according to the 2017 revision of the McDonald diagnostic criteria. * The participant has an EDSS score ≤5.5 at the first visit (Screening Visit) * The participant must have at least 1 of the following prior to screening: * ≥1 documented relapse within the previous year OR * ≥2 documented relapses within the previous 2 years, OR * ≥1 documented Gd enhancing lesion on an MRI scan within the previous year. * Contraceptive use by men or women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies. Exclusion Criteria: * The participant has been diagnosed with PPMS according to the 2017 revision of the McDonald diagnostic criteria * The participant has a history of infection or may be at risk for infection: * The presence of psychiatric disturbance or substance abuse.…

⚠ Always speak to your doctor before applying to any clinical trial.

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