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| ID | Type | Description | Link |
|---|---|---|---|
| 2015-001176-22 | EudraCT Number |
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Company decision
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This open-label positron emission tomography (PET) study is designed to determine the effect of ABT-555 on translocator protein expression level in participants with relapsing forms of multiple sclerosis.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| ABT-555 | Experimental | ABT-555 will be administered at Visit 4 for Part 2 only |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| ABT-555 | Drug | ABT-555 will be administered on Visit 4 in Part 2 only |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in translocator protein expression | Compare 2 dynamic positron emission tomography scans to examine the effect of a single administration of ABT-555 on translocator protein expression | Day 0 and 109 days |
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Inclusion Criteria:
Diagnosis of relapsing-remitting MS (RRMS) or relapsing secondary progressive MS (SPMS)
Neurologically stable at Screening, in the investigator's judgment and not actively experiencing or recovering from a recent relapse in the 30 days preceding the Screening Visit
A Kurtzke Expanded Disability Status Scale (EDSS) score of 1.0 to 6.0, inclusive at the Screening Visit
High or mixed affinity binder of the TSPO, as determined by rs6971 polymorphism genotyping at screening
Exclusion Criteria:
Diagnosis of primary progressive or non-relapsing secondary progressive MS
Smoking more than 10 cigarettes per day or use of a nicotine patch
Known history of, or positive screening test result for hepatitis C virus or hepatitis B virus
Varicella or herpes zoster virus infection or any severe viral infection within 6 weeks before Screening
Any type of live virus vaccine from 4 weeks before randomization
History of abnormal laboratory results
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| Name | Affiliation | Role |
|---|---|---|
| Steven Greenberg, MD | AbbVie | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Site Reference ID/Investigator# 141463 | London | SW17 ORE | United Kingdom | |||
| Site Reference ID/Investigator# 141461 |
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| ID | Term |
|---|---|
| D009103 | Multiple Sclerosis |
| ID | Term |
|---|---|
| D020278 | Demyelinating Autoimmune Diseases, CNS |
| D020274 | Autoimmune Diseases of the Nervous System |
| D009422 | Nervous System Diseases |
| D003711 | Demyelinating Diseases |
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| ID | Term |
|---|---|
| C000723102 | elezanumab |
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| Whitechapel |
| E1 2AT |
| United Kingdom |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |