A Multiple Dose Study of ABT-555 in Subjects With Relapsing Forms of Multiple Sclerosis
An Escalating Multiple Dose Study of ABT-555 in Subjects With Relapsing Forms of Multiple Sclerosis
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 1
Contacts and Locations
Study Locations
-
-
Florida
-
Orlando, Florida, United States, 32806
- Compass Research LLC
-
-
Kansas
-
Lenexa, Kansas, United States, 66214
- Rowe Neurology Institute
-
-
Maryland
-
Baltimore, Maryland, United States, 21225
- Parexel International
-
-
Michigan
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Farmington Hills, Michigan, United States, 48334
- MIND
-
-
North Carolina
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Durham, North Carolina, United States, 27710
- Duke Univ Med Ctr
-
-
Tennessee
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Johnson City, Tennessee, United States, 37604
- Tri-State Mountain Neurology
-
-
Texas
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Houston, Texas, United States, 77074
- Clinical Trial Network
-
-
Virginia
-
Alexandria, Virginia, United States, 22310
- Integrated Neurology Services
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Currently receiving one of the following MS medications for at least 3 months: beta-interferon (any formulation including the pegylated form), glatiramer acetate (Copaxone®, others), teriflunomide (Aubagio®), fingolimod (Gilenya®), or dimethyl fumarate (Tecfidera®); OR
- Has not been treated with an MS immunotherapy for the past 6 months (12 months if they previously received cyclophosphamide or alemtuzumab); OR
- Treatment naïve with established MS diagnosis per criteria by a neurologist.
- Diagnosis of relapsing-remitting MS (RRMS) or secondary progressive MS (SPMS) according to revised McDonald criteria
- Baseline Expanded Disability Status Scale (EDSS) between 0 and 6.0, inclusive.
- Brain MRI scan at Screening that did not show evidence of overt vascular lesions, masses, mass effect or other abnormalities other than those compatible with MS, which would preclude the participant from undergoing a lumbar puncture/spinal tap for CSF collection
Exclusion Criteria:
- Diagnosis of primary progressive MS.
- Anticipated maintenance immunomodulator change, either agent or dose
- An MS relapse that occurred within the 30 days prior to randomization AND/OR the participant has not stabilized from a previous relapse prior to randomization
- Participants for whom MRI is contraindicated
- Participants who have claustrophobia that cannot be medically managed or are unable to lie still for 1 hour or more for the imaging procedures
- Findings on brain MRI scan indicating any clinically significant brain abnormality other than MS
- Contraindication for lumbar puncture
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Group 2
Participants will receive multiple doses of ABT-555 or placebo
|
Intravenous Infusion
Other Names:
Intravenous Infusion
|
|
Experimental: Group 3
Participants will receive multiple doses of ABT-555 or placebo
|
Intravenous Infusion
Other Names:
Intravenous Infusion
|
|
Experimental: Group 1
Participants will receive multiple doses of ABT-555 or placebo
|
Intravenous Infusion
Other Names:
Intravenous Infusion
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Number and percentage of participants reporting adverse events
Time Frame: Throughout study from Day 1 to Day 176
|
Throughout study from Day 1 to Day 176
|
|
Concentration of anti-drug antibody (ADA) titers of ABT-555
Time Frame: Day 1 to Day 176
|
Day 1 to Day 176
|
|
Time to Maximum observed plasma concentration (Tmax) of ABT-555
Time Frame: Day 1 to Day 176
|
Day 1 to Day 176
|
|
Maximum observed plasma concentration (Cmax) of ABT-555
Time Frame: Day 1 to Day 176
|
Day 1 to Day 176
|
|
Area under the concentration curve (AUC) of ABT-555
Time Frame: Day 1 to Day 176
|
Day 1 to Day 176
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Percentage of participants who experience relapse and disability progression
Time Frame: Throughout the study to Day 176
|
Throughout the study to Day 176
|
|
Lesion volume of new, newly enlarging T2 hyperintense lesions
Time Frame: Throughout study from Day 0 to Day 113
|
Throughout study from Day 0 to Day 113
|
|
Number of new, newly-enlarging T2 hyperintense lesions
Time Frame: Throughout study from Day 0 to Day 113
|
Throughout study from Day 0 to Day 113
|
|
Total number of new Gadolinium-enhancing T1 lesions
Time Frame: Throughout study from Day 0 to Day 113
|
Throughout study from Day 0 to Day 113
|
Collaborators and Investigators
Sponsor
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- M14-173
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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