Recent Updates
Recently added Catalysts

Gepotidacin RC

Phase 1

Infections, Bacterial | Small molecule | Infectious Disease |GSK plc|Last Updated: Oct 8, 2020

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedCONTROLLEDBiomarker
Total Trials1
Total Enrollment48
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02853435To Assess Bioavailability, Food Effect and Pharmacokinetics of Gepotidacin Tablets: A Phase I, Single-Dose, 2 Part Study in Healthy Subjects.PHASE1 COMPLETED 48Aug 4, 2016Oct 17, 2017Oct 8, 20202 United States
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Area Under the Concentration-time Curve From Time 0 (Pre-dose) Extrapolated to Infinite Time (AUC [0-infinity]) of Plasma Gepotidacin for Part 1a
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for pharmacokinetic (PK) analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1a. For each sample, 3 milliliters (mL) of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher. The PK Parameter Population consisted of all participants in the PK Population, for whom valid and evaluable PK parameters were derived. Statistics has been presented on geometric least square (LS) means.

Area Under the Concentration-time Curve (AUC) From Time 0 (Pre-dose) to Time of the Last Quantifiable Concentration (AUC [0-t]) of Plasma Gepotidacin for Part 1a
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1a. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher. Statistics has been presented on geometric LS means.

Relative Bioavailability of Drug (Frel) of Plasma Gepotidacin for Part 1a
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1a. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher. NA indicates data was not available as this was the reference capsule the Frel of each tablet type was being compared to.

Maximum Observed Concentration (Cmax) Determined Directly From the Concentration Time Data of Plasma Gepotidacin for Part 1a
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1a. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher. Statistics has been presented on geometric LS means.

Time to First Occurrence of Cmax (Tmax) of Plasma Gepotidacin for Part 1a
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1a. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Lag Time Before Observation of Drug Concentrations in Sampled Matrix (Tlag) of Plasma Gepotidacin for Part 1a
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1a. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Terminal Phase Half-life (t1/2) of Plasma Gepotidacin for Part 1a
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1a. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Total Unchanged Drug (Total Amount of Drug Excreted in Urine [Ae Total]) for Part 1a
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours

PK urine samples were collected at 0 (predose), 0 to 2, 2 ot 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher

Percentage of the Given Dose of Drug Excreted in Urine (fe%) of Plasma Gepotidacin for Part 1a
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours

PK urine samples were collected at 0 (pre-dose), 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Renal Clearance of Drug in Urine (CLr) for Part 1a
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours

PK urine samples were collected at 0 (pre-dose), 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Amount of Drug Excreted in Urine in a Time Intervals for Pre-dose, 0 to 2 Hours, 2 to 4 Hours, 4 to 6 Hours, 6 to 8 Hours, 8 to 12 Hours, 12 to 24 Hours, 24 to 36 Hours, and 36 to 48 Hours (Ae [t1-t2]) for Part 1a
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours

PK urine samples were collected at 0 (pre-dose), 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher. Only those participants available at the specific time points were analyzed (represented by n = X in the category titles).

Area Under the Urine Concentration-time Curve Over Time 0 (Pre-dose) to 12 Hours (AUC [0-12]) for Part 1a
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at 0 (pre-dose), 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher

Area Under the Urine Concentration-time Curve Over Time 0 (Pre-dose) to 24 Hours (AUC [0-24]) After Dosing for Part 1a
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours

PK urine samples were collected at 0 (pre-dose), 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher

Area Under the Urine Concentration-time Curve Over Time 0 (Pre-dose) to 48 Hours (AUC [0-48]) After Dosing for Part 1a
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours

PK urine samples were collected at 0 (pre-dose), 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher. Only those participants with data available at the indicated time point were analyzed.

AUC (0-infinity) of Plasma Gepotidacin for Part 1b
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin was planned to be collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1b. Since the relative bio-availability of the RC tablet formulation under fasted and fed conditions had been previously evaluated in Study BTZ117349 (NCT02045849), Part 1b was not conducted.

AUC (0-t) of Plasma Gepotidacin for Part 1b
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin was planned to be collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1b. Since the relative bio-availability of the RC tablet formulation under fasted and fed conditions had been previously evaluated in Study BTZ117349 (NCT02045849), Part 1b was not conducted.

Cmax of Plasma Gepotidacin for Part 1b
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin was planned to be collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1b. Since the relative bio-availability of the RC tablet formulation under fasted and fed conditions had been previously evaluated in Study BTZ117349 (NCT02045849), Part 1b was not conducted.

Tmax of Plasma Gepotidacin for Part 1b
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin was planned to be collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1b. Since the relative bio-availability of the RC tablet formulation under fasted and fed conditions had been previously evaluated in Study BTZ117349 (NCT02045849), Part 1b was not conducted.

Tlag of Plasma Gepotidacin for Part 1b
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin was planned to be collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1b. Since the relative bio-availability of the RC tablet formulation under fasted and fed conditions had been previously evaluated in Study BTZ117349 (NCT02045849), Part 1b was not conducted.

t1/2 of Plasma Gepotidacin for Part 1b
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin was planned to be collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 1b. Since the relative bio-availability of the RC tablet formulation under fasted and fed conditions had been previously evaluated in Study BTZ117349 (NCT02045849), Part 1b was not conducted.

AUC (0-infinity) of Plasma Gepotidacin for Part 2
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 2. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

AUC (0-t) of Plasma Gepotidacin for Part 2
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 2. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Cmax of Plasma Gepotidacin for Part 2
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 2. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Tlag of Plasma Gepotidacin for Part 2
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 2. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Tmax of Plasma Gepotidacin for Part 2
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 2. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

t1/2 of Plasma Gepotidacin for Part 2
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 2. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Total Unchanged Drug (Ae Total) for Part 2
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at 0 (pre-dose), 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Ae (t1-t2) for Part 2
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at 0 (pre-dose), 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

AUC (0-12) for Part 2
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at 0 (pre-dose), 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

AUC (0-24) for Part 2
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at 0 (pre-dose), 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

AUC (0-48) for Part 2
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

fe% for Part 2
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

CLr for Part 2
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at pre-dose), 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

AUC (0-infinity) of Plasma Gepotidacin for Part 3
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 3. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

AUC (0-t) of Plasma Gepotidacin for Part 3
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 3. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Cmax of Plasma Gepotidacin for Part 3
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 3. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Tmax of Plasma Gepotidacin for Part 3
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 3. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Tlag of Plasma Gepotidacin for Part 3
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 3. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

t1/2 of Plasma Gepotidacin for Part 3
Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in each treatment period

Blood samples for PK analysis of gepotidacin were collected at Pre-dose, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 hours (Day 1), 24, 36 hours (Day 2) and 48 hours (Day 3) in Part 3. For each sample, 3 mL of blood was drawn via an indwelling catheter and/or direct venipuncture into tubes containing ethylenediaminetetraacetate anticoagulant. PK parameters were determined from the plasma concentration-time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Total Unchanged Drug (Ae Total) for Part 3
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours

PK urine samples were collected at pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher

Urine Ae (t1-t2) for Part 3
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher. Only those participants available at the specific time points were analyzed (represented by n = X in the category titles).

Urine AUC (0-12) for Part 3
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Urine AUC (0-24) for Part 3
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

Urine AUC (0-48) for Part 3
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

fe% for Part 3
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher.

CLr for Part 3
Pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, and 36 to 48 hours.

PK urine samples were collected at pre-dose, 0 to 2, 2 to 4, 4 to 6, 6 to 8, 8 to 12, 12 to 24, 24 to 36, 36 to 48 hours. PK parameters were determined from the urine concentration- time data and were calculated by standard non-compartmental analysis according to current working practices and using Phoenix WinNonlin Version 6.2.1 or higher

Secondary Endpoints
Number of Participants With Non-serious Adverse Events (AEs) and Serious Adverse Events (SAEs) for Part 1a
Up to 14 days
Change From Baseline in Clinical Chemistry Parameters Serum Glucose, Serum Calcium, Serum Carbon Dioxide, Serum Chloride, Serum Potassium, Serum Sodium and Serum Urea Nitrogen for Part 1a
Baseline and up to 14 days
Change From Baseline in Clinical Chemistry Parameters Serum Alanine Aminotransferase (ALT), Serum Alkaline Phosphatase (AP), Serum Aspartate Aminotransferase (AST) and Serum Creatinine Kinase (CK) for Part 1a
Baseline and up to 14 days
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part1a: Gepotidacin 1500 mg-Sequence A-capsules, B-RC, C-HSWGEXPERIMENTALSubjects will be receive treatment sequence (ABC) which is a single dose of gepotidacin 1500 mg (three tablets of 500 mg) reference capsule (Treatment A) in Period 1, 1500 mg (two tablets of 750 mg) RC tablet (Treatment B) in Period 2 or 1500 mg (two tablets of 750 mg) HSWG tablet (Treatment C) in Period 3, according to randomization. There will be a washout period of at least 3 days between doses.
Part1a: Gepotidacin 1500 mg-Sequence C-HSWG, A-capsules, B-RC)EXPERIMENTALSubjects will receive treatment sequence (CAB) to receive a single dose of gepotidacin 1500 mg (two tablets of 750 mg) HSWG tablet (Treatment C) in Period 1, 1500 mg (three tablets of 500 mg) reference capsule (Treatment A) in Period 2 or 1500 mg (two tablets of 750 mg) RC tablet (Treatment B) in Period 3 according to randomization. There will be a washout period of at least 3 days between doses.
Part1a: Gepotidacin 1500 mg-Sequence B-RC, C-HSWG, A-capsules)EXPERIMENTALSubjects will receive treatment sequence (BCA) to receive a single dose of gepotidacin 1500 mg (two tablets of 750 mg) RC tablet (Treatment B) in period 1, 1500 mg (two tablets of 750 mg) HSWG tablet (Treatment C) in Period 2, or 1500 mg (three tablets of 500 mg) (Treatment A) in Period 3 reference capsule according to randomization.. There will be a washout period of at least 3 days between doses.
Part1b: Gepotidacin 1500 mg-Sequence DE-fasted followed by fedEXPERIMENTALSubjects will receive treatment sequence (DE) according to randomization which is a single 1500 mg (two tablets of 750 mg) dose of gepotidacin tablet (RC or HSWG) selected from Part 1a under fasted condition (Treatment D) in Period 1 followed by fed conditions (Treatment E) in period 2. There will be a washout period of at least 3 days between doses.
Part1b: Gepotidacin 1500 mg-Sequence ED-fed followed by fastedEXPERIMENTALSubjects will be receive treatment sequence (ED) according to randomization which is single 1500 mg (two tablets of 750 mg) dose of gepotidacin tablet (RC or HSWG) selected from Part 1a under fed condition (Treatment E) in period 1 followed by fasted conditions (Treatment D) in Period 2. There will be a washout period of at least 3 days between doses.
Part 2a: Gepotidacin 1500 mg (RC or HSWG)- Japanese subjectsEXPERIMENTALJapanese subjects will receive a single 1500 mg (two tablets of 750 mg) dose of gepotidacin tablet (RC or HSWG) selected from Part 1a.
Part 2b: Gepotidacin 1500 mg (RC or HSWG)- Chinese subjectsEXPERIMENTALChinese subjects will receive a single 1500 mg (two tablets of 750 mg) dose of gepotidacin tablet (RC or HSWG) selected from Part 1a.
Interventions
NameTypeDescription
Gepotidacin RC TabletDRUGThe tablet is a capsule shape white film coated tablet with no identifying markings. This is an immediate release tablet containing gepotidacin 750 mg (free base) and inactive formulation excipients administered orally with 240 mL of water. Up to an additional 100 mL of water may be given to assist in swallowing tablets.
Gepotidacin HSWG TabletDRUGThe tablet is an oval shape white film coated tablet with no identifying markings. This is an immediate release tablets containing gepotidacin 750 mg (free base) and inactive formulation excipients administered orally with 240 mL of water. Up to an additional 100 mL of water may be given to assist in swallowing tablets.
Gepotidacin CapsuleDRUGIt is a pink gelatin size 00 capsule with no identifying markings containing slightly agglomerated pale yellow to grayish yellow to yellowish gray powder. This is an immediate release capsules containing gepotidacin 500 mg (mesylate salt) and inactive formulation excipients administered orally with 240 mL of water. Up to an additional 100 mL of water may be given to assist in swallowing capsules.
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — 64 Years
SexALL
Healthy VolunteersYes
Study Sites2

Inclusion Criteria * Male or female subjects between 18 and 64 years of age inclusive, at the time of signing the informed consent. * Healthy as determined by the investigator based on medical history, clinical laboratory results (serum chemistry, hematology, urinalysis, and serology), vital sign m...

Countries:United States
Unlock Eligibility Criteria