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Retigabine / Ezogabine

Phase 1

Epilepsy | Small molecule | Neurology |GSK plc|Last Updated: Jun 19, 2018

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
RandomizedACTIVE_CONTROLLEDBiomarker
Total Trials1
Total Enrollment8
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01480609Effect of Haemodialysis on the Pharmacokinetics of Ezogabine/Retigabine and Its N-acetyl MetabolitePHASE1 COMPLETED 8Nov 30, 2011Apr 24, 2012Jun 19, 20181 United States
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Study Endpoints
Primary Endpoints
Clearance (Cl/F), clearance during dialysis (CLD) and fraction of total clearance attributed to dialysis (FD) of ezogabine/retigabine and NAMR
During Dialysis (0-1, 1-2, 2-3, and 3-4 hour)

Pharmacokinetic parameters

AUC(0-t), AUC (0-∞), T½, Cmax, Tmax of ezogabine/retigabine and NAMR in plasma. Amount of ezogabine/retigabine and NAMR cleared by dialysis (AD)
0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 7, 8, 12, 16, 24, 36, 48, 60 and 68 hours

Pharmacokinetic parameters

Secondary Endpoints
Nmber of Safety and tolerability parameters, including adverse event, clinical laboratory, and vital signs assessments
Participants will be assessed for the duration of the study - an expected average of 3 weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Dose-DialysisACTIVE_COMPARATORSubjects will be dosed with study drug followed by a scheduled dialysis session
Dialysis-DoseACTIVE_COMPARATORSubjects will be dosed following the completion of their scheduled dialysis session
Interventions
NameTypeDescription
Retigabine / EzogabineDRUGRetigabine / Ezogabine will be available as immediate release tablets of 50 milligrams strength. Subjects will be administered the tablet will 250 milliliters of water
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Male or female 18 years or older, at the time of signing the informed consent. * ESRD patients with minimal or no residual renal function and receiving stabilised haemodialysis regimen. * Body mass index with the range of 18-42 kg/m2 at screening. * A female subject is eligibl...

Countries:United States
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