Status:

TERMINATED

A Study to Evaluate Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Multiple Doses of Natalizumab (BG00002) Administered Subcutaneously to Japanese Participants With Relapsing-Remitting Multiple Sclerosis

Lead Sponsor:

Biogen

Conditions:

Multiple Sclerosis, Relapsing-Remitting

Eligibility:

All Genders

18-65 years

Phase:

PHASE3

Brief Summary

The primary objective of this study is to evaluate the efficacy of natalizumab 300 milligrams (mg) subcutaneous (SC) every 4 weeks (Q4W) administrations up to 24 weeks in Japanese participants with re...

Eligibility Criteria

Inclusion

  • Key
  • Must have had a diagnosis of RRMS, as defined by the revised 2017 McDonald's criteria. All other possible neurologic diagnoses must have been reasonably excluded by means of laboratory and/or imaging studies, in the opinion of the investigator.
  • Must have had an EDSS score between 0.0 and 5.5, inclusive.
  • Must have had screening MRI or documentation of an MRI within the participant's medical record within 12 months of the screening visit that revealed 3 or more T2 hyperintense lesions consistent with MS.
  • Was born in Japan, and biological parents and grandparents were of Japanese origin.
  • Key

Exclusion

  • Evidence of current severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection within 14 days prior to Screening, between screening and baseline visit, or at baseline visit, including but not limited to a fever (temperature \> 37.5 degrees Celsius \[°C\]), new and persistent cough, breathlessness, or loss of taste and/or smell.
  • Have close contact within 14 days prior to Day 1 with a SARS-CoV-2 positive individual.
  • Diagnosis of primary progressive MS or secondary progressive MS.
  • An MS exacerbation (relapse) within 30 days prior to enrolment or, in the opinion of the investigator, the participant not having stabilized from a previous relapse prior to enrolment (Day 1).
  • The participant is unable to have a brain MRI scan (e.g., a participant with a metal clip to repair a cerebral aneurysm).
  • Previous exposure to natalizumab.
  • Note: Other protocol specified Inclusion/Exclusion criteria may apply.

Key Trial Info

Start Date :

April 26 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

May 27 2024

Estimated Enrollment :

21 Patients enrolled

Trial Details

Trial ID

NCT05265728

Start Date

April 26 2022

End Date

May 27 2024

Last Update

November 25 2025

Active Locations (12)

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Page 1 of 3 (12 locations)

1

Juntendo University Hospital

Bunkyō City, Japan, 113-8431

2

Chiba University Hospital

Chiba, Japan, 260-8677

3

St.Marianna University Hospital

Kawasaki-shi, Japan, 216-8511

4

National Center of Neurology and Psychiatry

Kodaira-shi, Japan, 187-8551