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This is a study to count the number of white blood cells in the cerebrospinal fluid and blood at the beginning and end of treatment with firategrast and at 4 and 12 weeks after stopping firategrast. Cerebrospinal fluid flows through and protects the brain and spinal cord. It is important to understand what happens to the number of white blood cells because they are important in preventing infections.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| firategrast | Experimental | 900 (females) or 1200 (males) mg twice daily for 24 weeks |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| firategrast | Drug | 900 (females) or 1200 (males) mg twice daily for 24 weeks |
|
| Measure | Description | Time Frame |
|---|---|---|
| Assessment of total leukocytes in cerebrospinal fluid (CSF) | Total leukocyte count in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. CSF sample data presented are results from the local clinical laboratory. | Baseline (Week 0), Week 24, 28 and 36 |
| Change from Baseline in number of total leukocytes in CSF | Total leukocyte count in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. CSF sample data presented are results from the local clinical laboratory. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 24, 28 and 36 |
| Assessment of total leukocytes in blood | Total leukocyte count in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. Blood sample data presented are results from the independent assessor. | Baseline (Week 0), Week 4, 24, 28 and 36 |
| Change from Baseline in number of total leukocytes in blood | Total leukocyte count in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. Blood sample data presented are results from the independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 4, 24, 28, 36 |
| Assessment of total lymphocytes in CSF | Total lymphocyte count in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. All the data presented are based on results from independent assessor. | Baseline (Week 0), Week 24, 28 and 36 |
| Change from Baseline in number of total lymphocytes in CSF |
| Measure | Description | Time Frame |
|---|---|---|
| Assessment of CD34+ cells in the blood | Blood sample was examined to test the mobilization of CD34+ early hematopoietic progenitor cells from the bone marrow at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. CD34+ was measured using two different approaches by the independent assessor: a. Without a CD45 side scatter histogram (SSH) added and this analysis was conducted by the individual flow cytometry laboratories and the independent assessor and b. With a CD45 SSH added and the analysis was conducted by the independent assessor only. All the data presented are based on results from independent assessor. |
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Inclusion criteria:
Specific information regarding warnings, precautions, contraindications, adverse events (AEs), and other pertinent information on the investigational product that may impact subject eligibility is provided can be found in the SB-683699 Investigators Brochure [GlaxoSmithKline Document Number HM2002/00094/05].
Subjects eligible for enrollment in the study must meet all of the following criteria:
Written informed consent.
Male or female, age 18 to 65.
A diagnosis of a relapsing form of MS [As per McDonald, 2001; Polman, 2005], with dissemination in time and space.
Expanded Disability Status Scale (EDSS) score of between 0 and 6.5 inclusive.
Occurrence of at least one clinical attack in the previous 24 months, but not within the 4 weeks prior to Screening or prior to the Baseline Visit.
A minimum of two T2 lesions on brain MRI at Screening, as determined by the central MRI analysis reader.
A female subject is eligible to enter the study if she is:
Of non-childbearing potential, i.e. a woman who:
OR
Of childbearing potential, has a negative urine pregnancy test at Screening and Baseline, and agrees to consistent and correct use the method of contraception listed below. Subjects will use effective contraceptive methods for at least one month prior to Screening and should continue to use the same contraceptive method throughout the study until 3 days after the last dose of firategrast.
Exclusion criteria:
Subjects meeting any of the following criteria must not be enrolled in the study:
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| Name | Affiliation | Role |
|---|---|---|
| GSK Clinical Trials | GlaxoSmithKline | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| GSK Investigational Site | Brussels | 1070 | Belgium | |||
| GSK Investigational Site |
| Type | Date | Date Unknown |
|---|---|---|
| Release | Jul 24, 2017 | |
| Unrelease | Yes | |
| Release | Jul 25, 2017 | |
| Reset | Feb 9, 2018 | |
| Release | Feb 14, 2018 | |
| Unrelease | Yes | |
| Release | Mar 5, 2018 | |
| Unrelease | Aug 15, 2018 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Jul 24, 2017 | Yes | |||
| Jul 25, 2017 |
| 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 |
|---|---|
| C585685 | Firategrast |
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Total lymphocyte count in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. All the data presented are based on results from independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. |
| Baseline (Week 0) and Week 24, 28, 36 |
| Assessment of total lymphocytes in blood | Total lymphocyte count in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. All the data presented are based on results from independent assessor. | Baseline (Week 0), Week 4, 24, 28 and 36 |
| Change from Baseline in number of total lymphocytes in blood | Total lymphocyte count in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. All the data presented are based on results from independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 4, 24, 28, 36 |
| Assessment of lymphocyte subsets in CSF (CD3+CD4+CD8+, CD19+, CD3-CD16+CD56+, CD3+CD4-CD8-) | The count for lymphocyte subsets CD3+CD4+CD8+ "double positives" (T-lymphocyte), CD3+CD4-CD8- "double negatives" (T-lymphocyte), CD19+ (B-lymphocyte) and CD3-CD16+CD56+ (natural killer cells) in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. All the data presented are based on results from independent assessor. | Baseline (Week 0), Week 24, 28 and 36 |
| Change from Baseline in number of lymphocyte subsets in CSF (CD3+CD4+CD8+, CD19+, CD3-CD16+CD56+, CD3+CD4-CD8-) | The count for lymphocyte subsets CD3+CD4+CD8+ "double positives" (T-lymphocyte), CD3+CD4-CD8- "double negatives" (T-lymphocyte), CD19+ (B-lymphocyte) and CD3-CD16+CD56+ (natural killer cells) in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. All the data presented are based on results from independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 24, 28, 36 |
| Assessment of lymphocyte subsets in blood (CD3+CD4+CD8+, CD19+, CD3-CD16+CD56+, CD3+CD4-CD8-) | The count for lymphocyte subsets CD3+CD4+CD8+ "double positives" (T-lymphocyte), CD3+CD4-CD8- "double negatives" (T-lymphocyte), CD19+ (B-lymphocyte) and CD3-CD16+CD56+ (natural killer cells) in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. All the data presented are based on results from independent assessor. | Baseline (Week 0), Week 4, 24, 28 and 36 |
| Change from Baseline in number of lymphocyte subsets in blood (CD3+CD4+CD8+, CD19+, CD3-CD16+CD56+, CD3+CD4-CD8-) | The count for lymphocyte subsets CD3+CD4+CD8+ "double positives" (T-lymphocyte), CD3+CD4-CD8- "double negatives" (T-lymphocyte), CD19+ (B-lymphocyte) and CD3-CD16+CD56+ (natural killer cells) in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. All the data presented are based on results from independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 4, 24, 28, 36 |
| Assessment of lymphocyte subset CD4 count in CSF | The count for CD4 cells in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. | Baseline (Week 0), Week 24, 28 and 36 |
| Change from Baseline in lymphocyte subset CD4 count in CSF | The count for CD4 cells in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 24, 28, 36 |
| Assessment of lymphocyte subset CD4 count in blood | The count for CD4 cells in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. | Baseline (Week 0), Week 4, 24, 28 and 36 |
| Change from Baseline in lymphocyte subset CD4 count in blood | The count for CD4 cells in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 4, 24, 28, 36 |
| Assessment of lymphocyte subset CD8 count in CSF | The count for CD8 cells in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. | Baseline (Week 0), Week 24, 28 and 36 |
| Change from Baseline in lymphocyte subset CD8 count in CSF | The count for CD8 cells in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 24, 28, 36 |
| Assessment of lymphocyte subset CD8 count in blood | The count for CD8 cells in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. | Baseline (Week 0), Week 4, 24, 28 and 36 |
| Change from Baseline in lymphocyte subset CD8 count in blood | The count for CD8 cells in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 4, 24, 28, 36 |
| Assessment of CD4:CD8 ratio in CSF | The count for CD4:CD8 ratio in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. | Baseline (Week 0), Week 24, 28 and 36 |
| Change from Baseline in CD4:CD8 ratio in CSF | The count for CD4:CD8 ratio in the CSF was done at Baseline (Week 0), Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 24, 28, 36 |
| Assessment of CD4:CD8 ratio in blood | The count for CD4:CD8 ratio in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. | Baseline (Week 0), Week 4, 24, 28 and 36 |
| Change from Baseline in CD4:CD8 ratio in blood | The count for CD4:CD8 ratio in the blood was done at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. All data presented are based on results from the independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 4, 24, 28, 36 |
| Baseline (Week 0), Week 4, 24, 28 and 36 |
| Change from Baseline in number of CD34+ cells in the blood | Blood sample was examined to test the mobilization of CD34+ early hematopoietic progenitor cells from the bone marrow at Baseline (Week 0), Week 4, Week 24, Week 28 and Week 36. CD34+ was measured using two different approaches by the independent assessor: a. Without a CD45 SSH added and this analysis was conducted by the individual flow cytometry laboratories and the independent assessor and b. With a CD45 SSH added and the analysis was conducted by the independent assessor only. All the data presented are based on results from independent assessor. Baseline was defined at Week 0. Change from Baseline is the value at indicated time points minus the Baseline value. | Baseline (Week 0) and Week 4, 24, 28, 36 |
| Number of participants with adverse events (AEs) and Serious adverse events (SAEs) | AE was defined as any untoward medical occurrence in a participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. SAE was any untoward medical occurrence that, at any dose results in death, was life threatening, required hospitalization or prolongation of existing hospitalization, resulted in disability/incapacity, was a congenital anomaly/birth defect or was considered as medically significant. On-treatment AEs and SAEs have been presented. | Up to Week 24 |
| Cumulative number of new gadolinium-enhancing lesions at Week 24 | The number of new gadolinium-enhancing lesions was determined by magnetic resonance imaging (MRI) scan. The cumulative number of new gadolinium-enhancing lesions at 24 weeks of treatment was derived as the sum of new gadolinium-enhancing lesions counted at all visits from Week 4 up to Week 24. In the event that a participant had missing MRI data for a gadolinium enhanced lesion parameter during the on-treatment period (scans at Weeks 4-24 inclusive), the missing value was imputed using the mean value for that parameter for all non-missing scans during the treatment period. | Week 24 |
| Cumulative volume of new gadolinium-enhancing lesions at Week 24 | The volume of new gadolinium-enhancing lesions was determined by MRI scan. The cumulative volume of new gadolinium-enhancing lesions was calculated at each visit from Week 4 up to Week 24. In the event that a participant had missing MRI data for a gadolinium enhanced lesion parameter during the on-treatment period (scans at Weeks 4-24 inclusive), the missing value was imputed using the mean value for that parameter for all non-missing scans during the treatment period. | Week 24 |
| Cumulative number of persistent gadolinium-enhancing lesions at Week 24 | The number of persistent gadolinium-enhancing lesions was determined by MRI scan. The cumulative number of persistent gadolinium-enhancing lesions at 24 weeks of treatment was derived as the sum of persistent gadolinium-enhancing lesions counted at all visits from Week 4 up to Week 24. In the event that a participant had missing MRI data for a gadolinium enhanced lesion parameter during the on-treatment period (scans at Weeks 4-24 inclusive), the missing value was imputed using the mean value for that parameter for all non-missing scans during the treatment period. | Week 24 |
| Cumulative total number of enhancing Lesions at Week 24 | The total number of gadolinium-enhancing lesions was determined by MRI scan. The cumulative total number gadolinium-enhancing lesions at 24 weeks of treatment was derived as the sum of the new and persistent gadolinium-enhancing lesions counted at all visits from Week 4 up to Week 24. In the event that a participant had missing MRI data for a gadolinium enhanced lesion parameter during the on-treatment period (scans at Weeks 4-24 inclusive), the missing value was imputed using the mean value for that parameter for all non-missing scans during the treatment period. | Week 24 |
| Plasma and CSF levels of firategrast | Pharmacokinetic sampling for plasma and CSF levels of firategrast was done on Week 24 of treatment period and Week 28 and 36 of core follow up period, however the results for these parameters were not analyzed. | Week 24, 28 and 36 |
| The relationship between plasma concentration of firategrast and lymphocyte count in the CSF | Sampling to determine concentration of firategrast and lymphocyte count in the CSF was supposed to be done on Week 24 of treatment phase and Week 28 and 36 of core follow up period to investigate any relationship between lymphocyte counts and systemic exposure to firategrast and its metabolite GW786375X. There was no quantifiable concentrations of firategast or its metabolite GW786375X, hence, the results were not analyzed. | Week 24, 28 and 36 |
| The relationship between plasma concentration of firategrast and lymphocyte count in the blood | Sampling to determine concentration of firategrast and lymphocyte count in the blood was supposed to be done on Week 24 of treatment phase and Week 28 and 36 of core follow up period to investigate any relationship between lymphocyte counts and systemic exposure to firategrast and its metabolite GW786375X, however, the results were not analyzed. | Week 24, 28 and 36 |
| The relationship between the presence of the A allele of rs887829 and bilirubin levels | Participants were assessed for the presence of A allele of rs887829 which is associated with Gilbert's syndrome. Gilbert's syndrome is benign and characterized by transient increases in bilirubin levels (>1.5XUpper limit of normal [ULN]). Participants who were carrying two copies of A allele of rs887829, suggested that elevations in bilirubin (maximum total bilirubin [MTB] >1.5xULN, >1.0 to 1.5xULN and less than or equal to 1.0xULN) were due to benign Gilbert's syndrome. Genotypes AA, AG and GG were analyzed. | Baseline (Week 0) |
| Brussels |
| 1200 |
| Belgium |
| GSK Investigational Site | Olomouc | 775 20 | Czechia |
| GSK Investigational Site | Prague | 120 00 | Czechia |
| GSK Investigational Site | Glostrup Municipality | DK-2600 | Denmark |
| GSK Investigational Site | Koebenhavn Ø | 2100 | Denmark |
| GSK Investigational Site | Lørenskog | 1478 | Norway |
| GSK Investigational Site | Gothenburg | SE-416 85 | Sweden |
| GSK Investigational Site | Stockholm | SE-171 76 | Sweden |
| GSK Investigational Site | Umeå | SE-901 85 | Sweden |
| Feb 9, 2018 |
| Feb 14, 2018 | Yes |
| Mar 5, 2018 | Aug 15, 2018 |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |