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Efficacy and Safety Study of Frexalimab (SAR441344) in Adults With Nonrelapsing Secondary Progressive Multiple Sclerosis

← catalyst calendar

NCT06141486 · readout in 583 d

Sponsored by Sanofi (industry) · SNY — their whole pipeline →.

Phase
Phase 3
Status
Active, not recruiting
Study type
Interventional
Design
Randomized · Quadruple · Treatment
Enrollment
943actual
Sites
311
Countries
Argentina, Australia, Belgium +24

Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →

Source: ClinicalTrials.gov, retrieved 2026-08-19

Dates

each axis at the precision it was filed, with the registry's own basis
DateFiledBasisWhat it is
Start2023-12-27actualWhen the study began enrolling
Primary completion2028-03-24estimatedThe date the last participant is measured for the primary outcome — the readout window
Study completion2028-03-24estimatedThe whole study's end, after follow-up
First posted2023-11-21actualWhen this record first appeared on the registry
Results postedWhen the sponsor posted results to the registry
Record updated2026-05-14actualThe sponsor's own last edit to this record — every projection above is as current as this date

What it studies

Condition

  • Multiple Sclerosis

Interventions

  • Drug: Frexalimab
  • Drug: Placebo
  • Drug: MRI contrast-enhancing agents

Primary outcome

what the primary-completion date above is the date OF
Time to onset of composite confirmed disability progression (cCDP) confirmed over 6 months in the double-blind treatment period
measured Up to 36 months

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