NCT01440101

Brief Summary

The primary objective of Part A is to determine the safety and tolerability of natalizumab administered over 24 weeks in Japanese participants with relapsing-remitting multiple sclerosis (MS). The endpoints for this will include assessment of adverse evetns (AEs), changes in laboratory evaluations, vital signs, Expanded Disability Status Scale (EDSS) scores, and changes in physical and neurological examination findings. The secondary objectives of Part A are to characterize the pharmacokinetics (PK) profile and pharmacodynamics (PD) of natalizumab. The primary objective of Part B is to determine if natalizumab, when compared to placebo, is effective in treating Japanese participants with relapsing-remitting MS, as measured by new active lesions on cranial magnetic resonance imaging (MRI) scans over 24 weeks. New active lesions are the sum of the gadolinium-enhancing (Gd+) lesions and any new or newly-enlarging T2-hyperintense lesions that do not enhance. The primary endpoint is the rate of development of new active lesions over 24 weeks. Secondary objectives of Part B are to determine over 24 weeks whether natalizumab, when compared to placebo, is effective in reducing the frequency of clinical exacerbations, reducing the number of Gd+ lesions, reducing the number of new or newly-enlarging T2-hyperintense lesions on brain MRI scans, increasing the proportion of relapse-free participants, and improving outcomes on visual analog scale (VAS) assessing the participant's global impression of his/her well-being. Additional objectives are to assess the safety and tolerability, the incidence of serum antibodies to natalizumab and the PK profile of natalizumab.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
106

participants targeted

Target at P50-P75 for phase_2 multiple-sclerosis

Timeline
Completed

Started Nov 2010

Geographic Reach
1 country

17 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2010

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

April 14, 2011

Completed
6 months until next milestone

First Posted

Study publicly available on registry

September 26, 2011

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2012

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2012

Completed
2.2 years until next milestone

Results Posted

Study results publicly available

October 21, 2014

Completed
Last Updated

October 21, 2014

Status Verified

October 1, 2014

Enrollment Period

1.8 years

First QC Date

April 14, 2011

Results QC Date

September 15, 2014

Last Update Submit

October 20, 2014

Conditions

Outcome Measures

Primary Outcomes (2)

  • Part A: Number of Participants With Adverse Events (AEs)

    AE=any untoward medical occurrence that did not necessarily have a causal relationship with this treatment. Serious AE (SAE)=any untoward medical occurrence that at any dose: resulted in death; in the view of the Investigator, was a life threatening event; required inpatient hospitalization or prolongation of existing hospitalization; resulted in persistent or significant disability/incapacity; resulted in a congenital anomaly/birth defect; or any other medically important event that, in the opinion of the Investigator, may have jeopardized the participant or may have required intervention to prevent one of the other outcomes listed in the definition above. Events were categorized as related or not related; severity was categorized as mild, moderate, or severe.

    Baseline (Week 0) to Week 24

  • Part B: Rate of Development of New Active Lesions Over 24 Weeks

    New active lesions were the sum of the gadolinium-enhancing (Gd+) lesions and any new or newly enlarging T2 hyperintense lesions that did not enhance as seen on cranial magnetic resonance imaging (MRI) scans. The rate is calculated for each participant as the ordinary least squares slope of the cumulative new active lesions over time.

    Baseline (Week 0) to Week 24

Secondary Outcomes (17)

  • Part B: Cumulative Number of New Active Lesions Over 24 Weeks

    Baseline (Week 0) to Week 24

  • Part B: Adjusted Annualized Relapse Rate Over 24 Weeks

    Week 24

  • Part B: Cumulative Number of Gd+ Lesions Over 24 Weeks

    Baseline (Week 0) to Week 24

  • Part B: Cumulative Number Of New Or Newly Enlarging, Non-Enhancing T2-Hyperintense Lesions Over 24 Weeks

    Baseline (Week 0) to Week 24

  • Part B: Number of Participants Who Were Relapse Free Over 24 Weeks

    Baseline (Week 0) to Week 24

  • +12 more secondary outcomes

Study Arms (3)

Double-blind Natalizumab 300 mg

EXPERIMENTAL

300 mg IV infusions of natalizumab over 60 minutes every 4 weeks for 20 weeks

Drug: Natalizumab (BG00002)

Double-blind Placebo

PLACEBO COMPARATOR

IV infusions of placebo over 60 minutes every 4 weeks for 20 weeks

Drug: Placebo

Open-label Natalizumab

EXPERIMENTAL

300 mg IV infusions of natalizumab over 60 minutes every 4 weeks for 20 weeks

Drug: Natalizumab (BG00002)

Interventions

Also known as: Tysabri
Double-blind Natalizumab 300 mgOpen-label Natalizumab
Double-blind Placebo

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Must give written informed consent and any authorizations required by local law.
  • Must have a diagnosis of relapsing-remitting MS, as defined by the revised McDonald criteria 1 through 4 (Polman et al, 2005). All other possible neurologic diagnoses must have been reasonably excluded by means of laboratory and/or imaging studies, in the opinion of the Investigator.
  • Japanese men and women aged 18 to 65, inclusive, at the time of informed consent.
  • All male subjects and female subjects of childbearing potential must practice effective contraception during the study and be able to continue contraception for 12 weeks after their last dose of study treatment.
  • Must have an Expanded Disability Status Scale (EDSS) score between 0.0 and 6.0, inclusive.
  • Must have experienced at least 1 medically documented clinical exacerbation within 12 months of enrollment.
  • Must be willing to remain free from concomitant immunosuppressive or immunomodulatory treatment (including interferon beta \[IFNβ\] and chronic systemic corticosteroids) for the duration of the study.
  • Must have a baseline MRI, conducted within 35 calendar days prior to enrollment.

You may not qualify if:

  • Diagnosis or history of neuromyelitis optica (NMO), e.g., a long spinal lesion extending over 3 or more vertebral bodies was detected, or the subject has a history of positive tests for anti-aquaporin-4 (anti-AQP4) antibodies.
  • The subject is considered by the Investigator to be immunocompromised, based on medical history, physical examination, laboratory testing, or prior immunosuppressive or immunomodulating treatment.
  • An MS exacerbation (relapse) within 30 days prior to enrollment or, in the opinion of the Investigator, the subject has not stabilized from a relapse prior to enrollment at Week 0.
  • History of malignancy.
  • Known history of, or positive test result for human immunodeficiency virus (HIV) infection.
  • Known history of or positive test result for hepatitis C virus or hepatitis B virus within the year prior to enrollment.
  • History of severe allergic or anaphylactic reactions or known drug hypersensitivity.
  • A clinically significant infectious illness within 30 days prior to enrollment.
  • Abnormal liver function test results at screening: alanine aminotransferase (ALT), or aspartate aminotransferase (AST) \>2 times of the upper limit of normal (ULN) or bilirubin \>1.5 times of the ULN during screening.
  • Previous treatment with natalizumab, any murine protein, or any other therapeutic monoclonal antibody.
  • Any prior treatment with any of the following medications: total lymphoid irradiation, cladribine, T-cell or T-cell receptor vaccination.
  • Treatment with immunosuppressant medications, e.g., azathioprine, cyclophosphamide, methotrexate, and fingolimod within 6 months prior to enrollment, or mitoxantrone and cyclosporine within 12 months prior to enrollment.
  • Treatment with any of the following medications or procedures within 6 months prior to enrollment: intravenous immunoglobulin (IVIg), plasmapheresis, or cytapheresis.
  • Treatment with immunomodulatory medications (including IFNβ and glatiramer acetate \[GA\]) within 2 weeks of enrollment.
  • Treatment with any of the following medications within 30 days of enrollment: intravenous corticosteroid treatment, systemic corticosteroid treatment, 4-aminopyridine or related products.
  • +26 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (17)

Research Site

Chiba, Japan

Location

Research Site

Fukuoka, Japan

Location

Research Site

Hiroshima, Japan

Location

Research Site

Kawagoe, Japan

Location

Research Site

Kyoto, Japan

Location

Research Site

Morioka, Japan

Location

Research Site

Niigata, Japan

Location

Research Site

Osaka, Japan

Location

Research Site

Otaku, Japan

Location

Research Site

Sapporo, Japan

Location

Research Site

Sendai, Japan

Location

Research Site

Suita, Japan

Location

Research Site

Tokorozawa, Japan

Location

Research Site

Tokyo, Japan

Location

Research Site

Tsukuba, Japan

Location

Research Site

Ube, Japan

Location

Research Site

Yokohama, Japan

Location

Related Publications (2)

  • Saida T, Kira JI, Kishida S, Yamamura T, Sudo Y, Ogiwara K, Tibung JT, Lucas N, Subramanyam M; Natalizumab Trial Principal Investigators. Efficacy, safety, and pharmacokinetics of natalizumab in Japanese multiple sclerosis patients: A double-blind, randomized controlled trial and open-label pharmacokinetic study. Mult Scler Relat Disord. 2017 Jan;11:25-31. doi: 10.1016/j.msard.2016.11.002. Epub 2016 Nov 11.

  • Saida T, Kira JI, Kishida S, Yamamura T, Ohtsuka N, Dong Q, Tibung JT. Natalizumab for Achieving Relapse-Free, T1 Gadolinium-Enhancing-Lesion-Free, and T2 Lesion-Free Status in Japanese Multiple Sclerosis Patients: A Phase 2 Trial Subanalysis. Neurol Ther. 2017 Jun;6(1):153-159. doi: 10.1007/s40120-016-0062-4. Epub 2017 Jan 11.

MeSH Terms

Conditions

Multiple Sclerosis

Interventions

Natalizumab

Condition Hierarchy (Ancestors)

Demyelinating Autoimmune Diseases, CNSAutoimmune Diseases of the Nervous SystemNervous System DiseasesDemyelinating DiseasesAutoimmune DiseasesImmune System Diseases

Intervention Hierarchy (Ancestors)

Antibodies, Monoclonal, HumanizedAntibodies, MonoclonalAntibodiesImmunoglobulinsImmunoproteinsBlood ProteinsProteinsAmino Acids, Peptides, and ProteinsSerum GlobulinsGlobulins

Results Point of Contact

Title
Biogen Idec Study Medical Director
Organization
Biogen Idec

Study Officials

  • Medical Director

    Biogen

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 14, 2011

First Posted

September 26, 2011

Study Start

November 1, 2010

Primary Completion

August 1, 2012

Study Completion

August 1, 2012

Last Updated

October 21, 2014

Results First Posted

October 21, 2014

Record last verified: 2014-10

Locations