Skip to content

A Phase 3, randomized, double-blind, efficacy and safety study comparing SAR442168 to placebo in participants with primary progressive multiple sclerosis (PERSEUS)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-514495-41-00
Acronym
EFC16035
Enrollment
487
Registered
2024-07-17
Start date
2020-11-04
Completion date
2025-11-14
Last updated
2025-12-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Primary Progressive Multiple Sclerosis

Brief summary

6-month composite Confirmed Disability Progression (cCDP)

Detailed description

6-month Confirmed Disability Progression (CDP), 3-month composite Confirmed Disability Progression (cCDP), Change in T2 hyperintense lesions by MRI, Time to onset of confirmed disability improvement (CDI), Percent change in Brain volume (BV), Change in cognitive function as assessed by SDMT, Change in cognitive function as assessed by CVLT-II, Change in Multiple Sclerosis Quality of Life, Safety and Tolerability, Population pharmacokinetics, Change in plasma neurofilament light chain (NfL), Change in lymphocyte phenotype subsets, Changes in serum Immunoglobulin level, Change in serum chitinase-3 like protein 1 (Chi3L1)

Interventions

DRUGmannitol and microcrystalline cellulose

Sponsors

Genzyme Corp.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Design outcomes

Primary

MeasureTime frame
6-month composite Confirmed Disability Progression (cCDP)

Secondary

MeasureTime frame
6-month Confirmed Disability Progression (CDP), 3-month composite Confirmed Disability Progression (cCDP), Change in T2 hyperintense lesions by MRI, Time to onset of confirmed disability improvement (CDI), Percent change in Brain volume (BV), Change in cognitive function as assessed by SDMT, Change in cognitive function as assessed by CVLT-II, Change in Multiple Sclerosis Quality of Life, Safety and Tolerability, Population pharmacokinetics, Change in plasma neurofilament light chain (NfL), Change in lymphocyte phenotype subsets, Changes in serum Immunoglobulin level, Change in serum chitinase-3 like protein 1 (Chi3L1)

Countries

Austria, Belgium, Bulgaria, Croatia, Czechia, Denmark, Estonia, France, Germany, Greece, Hungary, Italy, Netherlands, Norway, Poland, Portugal, Romania, Spain, Sweden

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026