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Retapamulin Microdialysis

Phase 1

Skin Infections, Bacterial | Small molecule | Infectious Disease |GSK plc|Last Updated: May 15, 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
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment3
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01812382Retapamulin Microdialysis Feasibility StudyPHASE1 COMPLETED 3Apr 2, 2014May 27, 2014May 15, 20171 United States
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Study Endpoints
Primary Endpoints
Retapamulin concentrations in the dialysate samples
Single day

Retapamulin concentrations in the dialysate samples will be collected to calculate the length of time needed until disappearance of the drug in the dialysate (washout) and the percentage of drug recovered following perfusion of Retapamulin solution by microdialysis to the thigh of healthy volunteers. Microdialysis is a minimally-invasive sampling technique that is used for continuous measurement of free, unbound analyte concentrations in the extracellular fluid of virtually any tissue

Secondary Endpoints
Safety and tolerability of the microdialysis technique with perfused Retapamulin assessed by number of participants with Adverse Events (AEs)
Up to 4 days
Safety and tolerability of the microdialysis technique with perfused Retapamulin assessed by Laboratory parameters
Single day
Safety and tolerability of the microdialysis technique with perfused Retapamulin assessed by Vital Sign measurements
Single day (Pre-dose and at 7th hour Post-dose)
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Microdialysis armEXPERIMENTALThree microdialysis probes will be placed in the thigh of each subject prior to the start of the microdialysis procedure/infusion using a microdialysis device. All subjects will receive Sodium Chloride solution perfused for 30 minutes followed by Retapamulin perfusion for 90 minutes and then Saline perfusion will occur during the washout period.
Interventions
NameTypeDescription
Retapamulin MicrodialysisDRUGAfter a 30 minutes equilibration period of the microdialysis procedure/infusion with normal saline solution, 50nanogram (ng)/mL Retapamulin injectable solution will be infused at a flow rate of 1.5 microliter/minute over a period of 90 minutes. The total dose perfused for each of the 3 microdialysis tubes will be 6.75ng.
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Eligibility Criteria
Age Range18 Years — 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: Healthy as determined by a responsible and experienced physician, based on a medical evaluation including medical history, physical examination, laboratory tests. A subject with a clinical abnormality or laboratory parameters outside the reference range for the population being ...

Countries:United States
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