Primary progressive multiple sclerosis (PPMS) Study of Bruton's tyrosine kinase (BTK) inhibitor tolebrutinib SAR442168 (PERSEUS)

Recruitment & Eligibility

Status: ot Recruiting

Sex: All

Target Recruitment: 1320

Inclusion Criteria

- Diagnosis of PPMS according to the 2017 McDonald criteria
- Expanded disability status scale (EDSS) score between 2.0 to 6.5 points, at screening inclusive
- Disease duration from the onset of MS symptoms of <15 years if screening EDSS score of >5.0 OR <10 years if screening EDSS score of =5.0.
- Positive cerebrospinal fluid oligoclonal bands and/or elevated Immunoglobulin G (IgG) index either during screening or documented previous history.
- Contraceptive use consistent with local regulations for individuals participating in clinical studies
Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 1320
F.1.3 Elderly (>=65 years) no
F.1.3.1 Number of subjects for this age range

Exclusion Criteria

- Participant has conditions that would adversely affect study participation such as short life expectancy.
- History of organ transplant.
- Evidence of infection with human immunodeficiency virus (HIV),transplantation, progressive multifocal leukoencephalopathy (PML), active hepatitis B or C, active or latent tuberculosis or other active infection that would adversely affect study participation.
-Persistent chronic or active or recurring system infection that may adversely affect participation or IMP administration in this study as judged by the investigator
- History of malignancy within 5 years prior to screening.
- History of alchohol or drug abuse within 1 year prior to Screening.
- Hospitalized for psychiatric disease within 2 years prior to Screening.
- Clinically significant laboratory abnormalities (including evidence of liver injury) or electrocardiogram abnormalities at Screening.
- A bleeding disorder or known platelet dysfunction at any time prior to
the screening visit.
- A platelet count <150 000/µL at the screening visit.
- A history of significant bleeding event within 6 months prior to screening, according to the Investigator's judgment such as, but not limited to cerebral or gastrointestinal
- Lymphocyte count below the lower limit of normal at Screening.
- Recent live (attenuated) vaccine within 2 months before the first treatment visit.
- Recent major surgery (within 4 weeks of Screening) or planned major surgery during the study.
- The participant has received medications/treatments for MS within a specified time frame.
- Receiving potent and moderate inducers or inhibitors of cytochrome P450 3A (CYP3A) or potent inhibitors CYP2C8 hepatic enzymes.
- Receiving anticoagulant or antiplatelet therapy (such as aspirin >81mg/day, clopidogrel, warfarin).
- Contraindications to magnetic resonance imaging (MRI).
NOTE: Other Inclusion/Exclusion criteria may apply

Study & Design

Study Type: Interventional clinical trial of medicinal product

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method

Secondary Outcome Measures

Name	Time	Method

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