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Completed

NCT Number: NCT03737851

A Study to Assess the Safety and Efficacy of Elezanumab When Added to Standard of Care in Relapsing Forms of Multiple Sclerosis

The purpose of this study is to evaluate the safety and efficacy of elezanumab in participants with relapsing Multiple Sclerosis (RMS).

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Key information

Conditions

Multiple Sclerosis (MS) Autoimmune Diseases Autoimmune Diseases of the Nervous System Demyelinating Autoimmune Diseases, CNS Demyelinating Diseases Immune System Diseases Multiple Sclerosis Nervous System Diseases

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

University of British Columbia - MS & NMO Clinical Trials Group, Djavad Mowafagh /ID# 204841, Vancouver, British Columbia, Canada

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Participant has diagnosis of relapsing remitting multiple sclerosis (RRMS) or secondary-progressive multiple sclerosis (SPMS) with relapses within the past 24 months.
  • Participant has cranial magnetic resonance imaging (MRI) demonstrating lesion(s) consistent with multiple sclerosis (MS).
  • Participant has evidence of physical disability according to Expanded Disability Status Scale (EDSS) or Timed 25-Foot Walk (T25FW) or 9-Hole Peg Test.

Exclusion criteria

  • Participants must not have experienced or be recovering from a clinical MS relapse within 6 months of Screening.

Treatment and study plan

elezanumab

Drug

solution for infusion

Other names: ABT-555

Placebo

Drug

solution for infusion

Primary outcomes

  1. Mean Overall Response Score (ORS) at Week 52

    Time frame: Week 52

    The ORS is a composite score derived from 4 components: Expanded Disability Status Scale (EDSS), Timed 25-Foot Walk (T25FW), 9-Hole Peg Test in the dominant hand (9HPT-D), and 9HPT in the non-dominant hand (9HPT-ND).

    Clinically significant worsening = -1, no change = 0, clinically significant improvement = +1.

    The ORS is the sum of these scores for the EDSS: Timed 25-Foot Walk, 9-Hole Peg Test-dominant, and 9-Hole Peg Test-nondominant and ranges from -4 to + 4.

Secondary outcomes

  1. Disability Improvement Response Rate

    Time frame: Week 52

    Disability improvement response rate is assessed based on the Expanded Disability Status Scale Plus (EDSS+). EDSS+ is comprised of EDSS, Timed 25-Foot Walk (T25FW) and 9-Hole Peg Tests (9HPT).

  2. Overall Response Score (ORS)

    Time frame: Week 12

    The ORS is a composite score derived from 4 components: Expanded Disability Status Scale (EDSS), Timed 25-Foot Walk (T25FW), 9-Hole Peg Test in the dominant hand (9HPT-D), and 9HPT in the non-dominant hand (9HPT-ND).

    Clinically significant worsening = -1, no change = 0, clinically significant improvement = +1.

    The ORS is the sum of these scores for the EDSS, Timed 25-Foot Walk, 9-Hole Peg Test-dominant and 9-Hole Peg Test-non-dominant and ranges from -4 to + 4.

  3. Overall Response Score (ORS)

    Time frame: Week 24

    The ORS is a composite score derived from 4 components: Expanded Disability Status Scale (EDSS), Timed 25-Foot Walk (T25FW), 9-Hole Peg Test in the dominant hand (9HPT-D), and 9HPT in the non-dominant hand (9HPT-ND).

    Clinically significant worsening = -1, no change = 0, clinically significant improvement = +1.

    The ORS is the sum of these scores for the EDSS, Timed 25-Foot Walk, 9-Hole Peg Test-dominant and 9-Hole Peg Test-non-dominant and ranges from -4 to + 4.

  4. Overall Response Score (ORS)

    Time frame: Week 36

    The ORS is a composite score derived from 4 components: Expanded Disability Status Scale (EDSS), Timed 25-Foot Walk (T25FW), 9-Hole Peg Test in the dominant hand (9HPT-D), and 9HPT in the non-dominant hand (9HPT-ND).

    Clinically significant worsening = -1, no change = 0, clinically significant improvement = +1.

    The ORS is the sum of these scores for the EDSS, Timed 25-Foot Walk, 9-Hole Peg Test-dominant and 9-Hole Peg Test-non-dominant and ranges from -4 to + 4.

Sponsors and collaborators

Lead sponsor

AbbVie

Industry

Registry information

Official study title

A Randomized, Double-Blind, Placebo-Controlled, Multiple Dose Study to Assess the Safety and Efficacy of Elezanumab When Added to Standard of Care in Relapsing Forms of Multiple Sclerosis

Important dates

Study start
2018
Primary completion
2021
Study completion
2021
First posted
Nov 13, 2018
Registry last updated
Dec 22, 2023

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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