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GR37547

Phase 1

Infections, Bacterial | Small molecule | Infectious Disease |GSK plc|Last Updated: Dec 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
RandomizedCONTROLLEDBiomarker
Total Trials1
Total Enrollment26
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03150082Bioequivalence Study Between GR37547 500 Milligrams (mg) Tablet Versus Ciprofloxacin 500 mg Tablet Reference Product in Healthy Adult SubjectsPHASE1 COMPLETED 26Aug 1, 2017Aug 28, 2017Dec 19, 20181 South Africa
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Study Endpoints
Primary Endpoints
Area Under the Plasma Concentration-time Curve From Time Zero (Pre-dose) to Last Time of Quantifiable Concentration Within a Participant Across All Treatments (AUC[0-t]) for Ciprofloxacin
Pre-dose and 0.50, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 3.50, 4.50, 6.00, 8.00, 12.00, 18.00 hours post-dose on Day 1; 24.00 hours post-dose on Day 2 in each treatment period

Blood samples were collected from participants at indicated time points in each of the treatment period 1 and 2, after administration of study treatment to investigate the pharmacokinetics of ciprofloxacin under fasted state. Pharmacokinetic analysis of ciprofloxacin was conducted using non-compartmental methods. Pharmacokinetic Population comprised of participants who completed the study and for whom primary pharmacokinetic parameters could be calculated for all treatment periods were included in the statistical pharmacokinetic analysis of the study.

Maximum Observed Plasma Concentration (Cmax) of Ciprofloxacin
Pre-dose and 0.50, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 3.50, 4.50, 6.00, 8.00, 12.00, 18.00 hours post-dose on Day 1; 24.00 hours post-dose on Day 2 in each treatment period

Blood samples were collected from participants at indicated time points in each of the treatment period 1 and 2, after administration of study treatment to investigate the pharmacokinetics of ciprofloxacin under fasted state. Pharmacokinetic analysis of ciprofloxacin was conducted using non-compartmental methods.

Secondary Endpoints
Area Under the Concentration-time Curve From Time Zero (Pre-dose) Extrapolated to Infinite Time (AUC[0-infinity]) for Ciprofloxacin
Pre-dose and 0.50, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 3.50, 4.50, 6.00, 8.00, 12.00, 18.00 hours post-dose on Day 1; 24.00 hours post-dose on Day 2 in each treatment period
Time of Occurrence of Cmax (Tmax) for Ciprofloxacin
Pre-dose and 0.50, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 3.50, 4.50, 6.00, 8.00, 12.00, 18.00 hours post-dose on Day 1; 24.00 hours post-dose on Day 2 in each treatment period
Percentage of AUC (0-infinity) Obtained by Extrapolation (Percentage AUCex) for Ciprofloxacin
Pre-dose and 0.50, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 3.50, 4.50, 6.00, 8.00, 12.00, 18.00 hours post-dose on Day 1; 24.00 hours post-dose on Day 2 in each treatment period
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Treatment sequence: A/BEXPERIMENTALEligible subjects will be randomized to receive a single dose of Treatment A (GR37547 500 mg tablet) followed by Treatment B (ciprofloxacin 500 mg reference tablet) administered orally on Day 1 in each treatment period. The washout period will be of at least 7 days and not more than 14 days.
Treatment sequence: B/AEXPERIMENTALEligible subjects will be randomized to receive a single dose of Treatment B (ciprofloxacin 500 mg reference tablet) followed by Treatment A (GR37547 500 mg tablet) administered orally. The washout period will be of at least 7 days and not more than 14 days.
Interventions
NameTypeDescription
GR37547 tabletDRUGA single tablet of GR37547 should be taken orally with 240 mL of water. GR37547 500 mg tablet will be a white to off white capsule shape with break line on upper side and embossed "GSK500"on lower side.
Ciprofloxacin reference tabletDRUGA single tablet of ciprofloxacin reference should be taken orally with 240 mL of water. Ciprofloxacin 500 mg reference will be nearly white to slightly yellowish film coated oblong tablets with break line and ''CIP 500" marked on upper side and "BAYER" on lower side.
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Eligibility Criteria
Age Range18 Years — 60 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Subject must be between 18 and 60 years of age inclusive, at the time of signing the informed consent. * Healthy, non-smoker, as determined by the investigator or medically qualified designee based on a medical evaluation including medical history, physical examination, labora...

Countries:South Africa
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