Status:

ACTIVE_NOT_RECRUITING

Proof-of-concept Study for SAR441344 (Frexalimab) in Relapsing Multiple Sclerosis

Lead Sponsor:

Sanofi

Conditions:

Multiple Sclerosis

Eligibility:

All Genders

18-55 years

Phase:

PHASE2

Brief Summary

Primary Objective: To determine the efficacy of SAR441344 as measured by reduction of the number of new active brain lesions Secondary Objective: * To evaluate efficacy of SAR441344 on disease acti...

Detailed Description

The duration of each participant will be no longer than 320weeks in both parts of the study, including 4 weeks of screening, at maximum 292 weeks of treatment and 24 weeks of follow-up.

Eligibility Criteria

Inclusion

  • Inclusion criteria:
  • Participant must be 18 to 55 years of age inclusive, at the time of signing the informed consent.
  • The participant must have been diagnosed with RMS (relapsing-remitting MS and secondary progressive MS participants with relapses) according to the 2017 revision of the McDonald diagnostic criteria.
  • The participant must have at least 1 documented relapse within the previous year, or ≥2 documented relapses within the previous 2 years, or ≥1 active Gd-enhancing brain lesion on an MRI scan in the past 6 months and prior to screening.
  • Body weight within 45 to 120 kg (inclusive) and body mass index (BMI) within the range 18.0 to 35.0 kg/m2 (inclusive) at Screening.
  • Contraceptive use by men and women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.
  • Capable of giving signed informed consent.
  • Exclusion criteria:
  • The participant was diagnosed with PPMS according to the 2017 revision of the McDonald diagnostic criteria or with non-relapsing SPMS.
  • The participant had conditions or situations that would adversely affect participation in this study.
  • The participant had a history of or currently has concomitant medical or clinical conditions that would adversely affect participation in this study.
  • History, clinical evidence, suspicion or significant risk for thromboembolic events, as well as myocardial infarction, stroke and/or antiphosholipid syndrome and any participants requiring antithrombotic treatment.
  • Allergies to humanized monoclonal antibodies or severe post-treatment hypersensitivity reactions other than localized injection site reaction, to any biological molecule.
  • The participant had received any of the forbidden medications/treatments within the specified time frame before any baseline assessment.
  • The participant had taken other investigational drug within 3 months or 5-half-live, whichever is longer, before the screening visit.
  • The participant had an EDSS score \>5.5 at the first screening visit.
  • The participant had a relapse in the 30 days prior to randomization.
  • Positive human immunodeficiency virus (HIV) serology (anti HIV1 and anti HIV2 antibodies) or a known history of HIV infection, active or in remission.
  • Abnormal laboratory test(s) at Screening.
  • Presence of Hepatitis B surface antigen (HBsAg) or anti-Hepatitis B core antibodies (anti-HBc Ab) at screening or within 3 months prior to first dose of study intervention.
  • Positive Hepatitis C antibody test result at screening or within 3 months prior to starting study intervention.
  • The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

Exclusion

    Key Trial Info

    Start Date :

    June 7 2021

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    August 23 2027

    Estimated Enrollment :

    129 Patients enrolled

    Trial Details

    Trial ID

    NCT04879628

    Start Date

    June 7 2021

    End Date

    August 23 2027

    Last Update

    September 30 2025

    Active Locations (37)

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    Page 1 of 10 (37 locations)

    1

    Center for Neurology and Spine- Site Number : 8400007

    Phoenix, Arizona, United States, 85032

    2

    University of South Florida Site Number : 8400001

    Tampa, Florida, United States, 33612

    3

    The Neurological Institute Site Number : 8400004

    Charlotte, North Carolina, United States, 28204

    4

    Medical College of Wisconsin- Site Number : 8400006

    Milwaukee, Wisconsin, United States, 53226