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firategrast

Phase 2

Multiple Sclerosis | Small molecule | Immunology |GSK plc|Last Updated: Mar 23, 2017

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment389
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00469378Study Of White Blood Cells In The Cerebrospinal Fluid And Blood Of Patients With Relapsing Forms Of Multiple SclerosisPHASE2 COMPLETED 46Jul 1, 2007Feb 1, 2010Mar 23, 201710 Belgium, Czechia +3
NCT00395317Study Of SB-683699 Compared To Placebo In Subjects With Relapsing-Remitting Multiple Sclerosis (MS)PHASE2 COMPLETED 343Dec 1, 2006Aug 1, 2010Apr 9, 201279 Australia, Austria +12
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Study Endpoints
Primary Endpoints
Assessment of total leukocytes in cerebrospinal fluid (CSF)
Baseline (Week 0), Week 24, 28 and 36

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.

Change from Baseline in number of total leukocytes in CSF
Baseline (Week 0) and Week 24, 28 and 36

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.

Assessment of total leukocytes in blood
Baseline (Week 0), Week 4, 24, 28 and 36

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.

Change from Baseline in number of total leukocytes in blood
Baseline (Week 0) and Week 4, 24, 28, 36

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.

Assessment of total lymphocytes in CSF
Baseline (Week 0), Week 24, 28 and 36

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.

Change from Baseline in number of total lymphocytes in CSF
Baseline (Week 0) and Week 24, 28, 36

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.

Assessment of total lymphocytes in blood
Baseline (Week 0), Week 4, 24, 28 and 36

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.

Change from Baseline in number of total lymphocytes in blood
Baseline (Week 0) and Week 4, 24, 28, 36

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.

Assessment of lymphocyte subsets in CSF (CD3+CD4+CD8+, CD19+, CD3-CD16+CD56+, CD3+CD4-CD8-)
Baseline (Week 0), Week 24, 28 and 36

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.

Change from Baseline in number of lymphocyte subsets in CSF (CD3+CD4+CD8+, CD19+, CD3-CD16+CD56+, CD3+CD4-CD8-)
Baseline (Week 0) and Week 24, 28, 36

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.

Assessment of lymphocyte subsets in blood (CD3+CD4+CD8+, CD19+, CD3-CD16+CD56+, CD3+CD4-CD8-)
Baseline (Week 0), Week 4, 24, 28 and 36

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.

Change from Baseline in number of lymphocyte subsets in blood (CD3+CD4+CD8+, CD19+, CD3-CD16+CD56+, CD3+CD4-CD8-)
Baseline (Week 0) and Week 4, 24, 28, 36

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.

Assessment of lymphocyte subset CD4 count in CSF
Baseline (Week 0), Week 24, 28 and 36

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.

Change from Baseline in lymphocyte subset CD4 count in CSF
Baseline (Week 0) and Week 24, 28, 36

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.

Assessment of lymphocyte subset CD4 count in blood
Baseline (Week 0), Week 4, 24, 28 and 36

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.

Change from Baseline in lymphocyte subset CD4 count in blood
Baseline (Week 0) and Week 4, 24, 28, 36

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.

Assessment of lymphocyte subset CD8 count in CSF
Baseline (Week 0), Week 24, 28 and 36

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.

Change from Baseline in lymphocyte subset CD8 count in CSF
Baseline (Week 0) and Week 24, 28, 36

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.

Assessment of lymphocyte subset CD8 count in blood
Baseline (Week 0), Week 4, 24, 28 and 36

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.

Change from Baseline in lymphocyte subset CD8 count in blood
Baseline (Week 0) and Week 4, 24, 28, 36

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.

Assessment of CD4:CD8 ratio in CSF
Baseline (Week 0), Week 24, 28 and 36

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.

Change from Baseline in CD4:CD8 ratio in CSF
Baseline (Week 0) and Week 24, 28, 36

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.

Assessment of CD4:CD8 ratio in blood
Baseline (Week 0), Week 4, 24, 28 and 36

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.

Change from Baseline in CD4:CD8 ratio in blood
Baseline (Week 0) and Week 4, 24, 28, 36

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.

Cumulative number of new gadolinium-enhancing lesions on monthly MRI scans during the Treatment Phase
Baseline and 24 weeks
Secondary Endpoints
Assessment of CD34+ cells in the blood
Baseline (Week 0), Week 4, 24, 28 and 36
Change from Baseline in number of CD34+ cells in the blood
Baseline (Week 0) and Week 4, 24, 28, 36
Number of participants with adverse events (AEs) and Serious adverse events (SAEs)
Up to Week 24
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
firategrastEXPERIMENTAL900 (females) or 1200 (males) mg twice daily for 24 weeks
Arm 1PLACEBO_COMPARATORplacebo (4 tablets)
Arm 2EXPERIMENTALSB-683699 150 mg bid (1 x 150mg + 3 placebo tablets)
Arm 3EXPERIMENTALSB-683699 600 mg bid (2 x 300mg + 2 placebo tablets)
Arm 4EXPERIMENTALSB-683699 900 mg bid (3 x 300 mg + 1 placebo tablet)
Arm 5EXPERIMENTALSB-683699 1200 mg bid, male subjects only (4 x 300 mg tablets)
Interventions
NameTypeDescription
firategrastDRUG900 (females) or 1200 (males) mg twice daily for 24 weeks
PlaceboOTHERplacebo tablet
Firategrast 150 mgDRUG150 mg tablet
Firategrast 300 mgDRUG300 mg tablet
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersNo
Study Sites10

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 Do...

Countries:BelgiumCzechiaDenmarkNorwaySwedenAustraliaAustriaCanadaFinlandFranceGermanyItalyNetherlandsNew ZealandPolandRussiaSpainUnited Kingdom
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