Subjects 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.

Subjects 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.

Japanese subjects will receive a single 1500 mg (two tablets of 750 mg) dose of gepotidacin tablet (RC or HSWG) selected from Part 1a.

Chinese subjects will receive a single 1500 mg (two tablets of 750 mg) dose of gepotidacin tablet (RC or HSWG) selected from Part 1a.

The 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.

It 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.

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.

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.

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.

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.

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

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.

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.

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).

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

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

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).

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.

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.

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.

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.

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

Blood samples were collected for the assessment of chemistry parameters namely serum glucose, serum calcium, serum carbon dioxide, serum chloride, serum potassium, serum sodium and serum urea nitrogen for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Blood samples were collected for the assessment of chemistry parameters namely serum ALT, serum AP, serum AST and serum CK for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose-visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Blood samples were collected for the assessment of chemistry parameters namely serum albumin and serum protein for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose-visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Blood samples were collected for the assessment of chemistry parameters namely serum bilirubin, serum creatinine and serum direct bilirubin Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Blood samples were collected for the assessment of hematology parameters namely blood basophils, blood eosinophils, blood leukocytes, blood lymphocytes, blood monocytes, blood neutrophils and blood platelets for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Blood samples were collected for the assessment of hematology parameters namely blood Ery. MCHC and blood hemoglobin for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose-visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Blood samples were collected for the assessment of hematology parameter namely blood Ery. MCH for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Blood samples were collected for the assessment of hematology parameter namely blood Ery. MCV for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Blood samples were collected for the assessment of hematology parameter namely blood Ery. for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Blood samples were collected for the assessment of hematology parameter namely blood hematocrit for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Single vital signs were measured in semi-supine position after 5 minutes rest and included SBP, DBP. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Single vital signs were measured in semi-supine position after 5 minutes rest and included heart rate. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

A 12 lead ECG was measured in semi-supine position after 5 minutes rest using an ECG machine that automatically calculated the heart rate. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

A 12 lead ECG was measured in semi-supine position after 5 minutes rest using an ECG machine that measured PR interval, QRS duration, QT interval, QTcB and QTcF for Part 1a. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles).

Urinalysis parameters assessed were urine ketones, urine glucose, urine occult blood, urine pH, urine specific gravity and urine protein. In this dipstick test, the level of ketones, glucose, occult blood, pH, specific gravity and protein in urine samples was recorded as negative trace, 1+, 3+, 5+, 6+, 7+ and 8+ (the plus sign increases with a higher level of ketones, occult blood, pH or specific gravity in the urine: 1+=slightly positive, 3+ to 5+=positive, 6+ and above=high positive). Urine samples were collected for the measurement of urinalysis parameters by dipstick method up-to follow-up (5 to 7 days post last dose) in Part 1a. Only categories with significant values have been presented.

AE is any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An SAE is any untoward medical occurrence that, at any dose results in death, is life-threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, or is a congenital anomaly/birth defect or is medically significant. 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.

Blood samples were collected for the assessment of chemistry parameters namely serum glucose, serum calcium, serum carbon dioxide, serum chloride, serum potassium, serum sodium and serum urea nitrogen for Part 1b. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose-visit value from the Baseline value. 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.

Blood samples were collected for the assessment of chemistry parameters namely serum ALT, serum AP, serum AST and serum CK for Part 1b. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

Blood samples were collected for the assessment of chemistry parameters namely serum albuim and serum protein for Part 1b. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

Blood samples were collected for the assessment of chemistry parameters namely serum ALT, serum AP, serum AST and serum CK for Part 1b. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

Blood samples were collected for the assessment of hematology parameters namely blood basophils, blood eosinophils, blood leukocytes, blood lymphocytes, blood monocytes, blood neutrophils and blood platelets for Part 1b. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

Blood samples were collected for the assessment of hematology parameters namely blood Ery. MCHC and blood hemoglobin for Part 1b. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

Blood samples were collected for the assessment of hematology parameter namely blood Ery. MCH for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

Blood samples were collected for the assessment of hematology parameter namely blood Ery. MCV for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

Blood samples were collected for the assessment of hematology parameter namely blood Ery. for Part 1b. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

Blood samples were collected for the assessment of hematology parameter namely blood hematocrit for Part 1b. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

Single vital signs were measured in semi-supine position after 5 minutes rest and included SBP, DBP. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

Single vital signs were measured in semi-supine position after 5 minutes rest and included heart rate. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

A 12 lead ECG was measured in semi-supine position after 5 minutes rest using an ECG machine that automatically calculated the heart rate. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

A 12 lead ECG was measured in semi-supine position after 5 minutes rest using an ECG machine that measured PR interval, QRS duration, QT interval, QTcB and QTcF for Part 1b. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. 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.

Urinalysis parameters assessed were urine ketones, urine glucose, urine occult blood, urine pH, urine specific gravity and urine protein. In this dipstick test, the level of ketones, glucose, occult blood, pH, specific gravity and protein in urine samples was recorded as negative trace, 1+, 3+, 5+, 6+, 7+ and 8+ (the plus sign increases with a higher level of ketones, occult blood, pH or specific gravity in the urine: 1+=slightly positive, 3+ to 5+=positive, 6+ and above=high positive). 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.

AE is any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An SAE is any untoward medical occurrence that, at any dose results in death, is life-threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, or is a congenital anomaly/birth defect or is medically significant.

Blood samples were collected for the assessment of chemistry parameters namely serum glucose, serum calcium, serum carbon dioxide, serum chloride, serum potassium, serum sodium and serum urea nitrogen for Part 2. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose-visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Blood samples were collected for the assessment of chemistry parameters namely serum ALT, serum AP, serum AST and serum CK for Part 2. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Blood samples were collected for the assessment of chemistry parameters namely serum albumin and serum protein for Part 2. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose-visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Blood samples were collected for the assessment of chemistry parameters namely serum bilirubin, serum creatinine and serum direct bilirubin for Part 2. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Blood samples were collected for the assessment of chemistry parameter namely serum estradiol for Part 2. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the indicated time point were analyzed. NA indicates standard deviation was not calculated as a single participant was analyzed.

Blood samples were collected for the assessment of hematology parameters namely blood basophils, blood eosinophils, blood leukocytes, blood lymphocytes, blood monocytes, blood neutrophils and blood platelets for Part 2. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Blood samples were collected for the assessment of hematology parameters namely blood Ery. MCHC and blood hemoglobin for Part 2. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Blood samples were collected for the assessment of hematology parameter namely blood Ery. MCH for Part 2. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Blood samples were collected for the assessment of hematology parameter namely blood Ery. MCV for Part 2. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Blood samples were collected for the assessment of hematology parameter namely blood Ery. for Part 2. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Blood samples were collected for the assessment of hematology parameter namely blood hematocrit for Part 2. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Single vital signs were measured in semi-supine position after 5 minutes rest and included SBP, DBP. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Single vital signs were measured in semi-supine position after 5 minutes rest and included heart rate. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

A 12 lead ECG was measured in semi-supine position after 5 minutes rest using an ECG machine that automatically calculated the heart rate. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

A 12 lead ECG was measured in semi-supine position after 5 minutes rest using an ECG machine that measured PR interval, QRS duration, QT interval, QTcB and QTcF for Part 2. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. NA indicates participants crossed-over as follow-up visit occurred after Period 2.

Urinalysis parameters assessed were urine ketones, urine glucose, urine occult blood, urine pH, urine specific gravity and urine protein. In this dipstick test, the level of ketones, glucose, occult blood, pH, specific gravity and protein in urine samples was recorded as negative trace, 1+, 3+, 4+ 5+, 6+, 7+ and 8+ (the plus sign increases with a higher level of ketones, occult blood, pH or specific gravity in the urine: 1+=slightly positive, 3+ to 5+=positive, 6+ and above=high positive). Urine samples were collected for the measurement of urinalysis parameters by dipstick method up-to follow-up (5 to 7 days post last dose) in Part 2. Only categories with significant values have been presented.

AE is any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An SAE is any untoward medical occurrence that, at any dose results in death, is life-threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, or is a congenital anomaly/birth defect or is medically significant.

Blood samples were collected for the assessment of chemistry parameters namely serum glucose, serum calcium, serum carbon dioxide, serum chloride, serum potassium, serum sodium and serum urea nitrogen for Part 3. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

Blood samples were collected for the assessment of chemistry parameters namely serum ALT, serum AP, serum AST and serum CK for Part 3. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

Blood samples were collected for the assessment of chemistry parameters namely serum albumin and serum protein for Part 3. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

Blood samples were collected for the assessment of chemistry parameters namely serum bilirubin and serum creatinine for Part 3. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm

Blood samples were collected for the assessment of hematology parameters namely blood basophils, blood eosinophils, blood leukocytes, blood lymphocytes, blood monocytes, blood neutrophils and blood platelets for Part 3. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

Blood samples were collected for the assessment of hematology parameters namely blood Ery. MCHC and blood hemoglobin for Part 3. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

Blood samples were collected for the assessment of hematology parameter namely blood Ery. MCH for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

Blood samples were collected for the assessment of hematology parameter namely blood Ery. MCV for Part 3. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

Blood samples were collected for the assessment of hematology parameter namely blood Ery. for Part 1a. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

Blood samples were collected for the assessment of hematology parameter namely blood hematocrit for Part 3. Baseline was defined as assessments performed on Day -1. Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

Single vital signs were measured in semi-supine position after 5 minutes rest and included SBP, DBP. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

Single vital signs were measured in semi-supine position after 5 minutes rest and included heart rate. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

A 12 lead ECG was measured in semi-supine position after 5 minutes rest using an ECG machine that automatically calculated the heart rate. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

A 12 lead ECG was measured in semi-supine position after 5 minutes rest using an ECG machine that measured PR interval, QRS duration, QT interval, QTcB and QTcF for Part 3. Baseline was defined as assessments performed on Day 1 (pre-dose). Change from Baseline was calculated by subtracting the post-dose visit value from the Baseline value. Only those participants with data available at the specified time were analyzed (represented by n=x in the category titles). Data points with null value for participants analyzed indicate data not collected for respective category and treatment arm.

Urinalysis parameters assessed were urine ketones, urine glucose, urine occult blood, urine pH, urine specific gravity and urine protein. In this dipstick test, the level of ketones, glucose, occult blood, pH, specific gravity and protein in urine samples was recorded as negative trace, 1+, 3+, 5+, 6+, 7+ and 8+ (the plus sign increases with a higher level of ketones, occult blood, pH or specific gravity in the urine: 1+=slightly positive, 3+ to 5+=positive, 6+ and above=high positive). Urine samples were collected for the measurement of urinalysis parameters by dipstick method up-to follow-up (5 to 7 days post last dose) in Part 3. Only categories with significant values have been presented.

Participants received gepotidacin 1500 mg (2 x 750 mg) HSWG tablets in treatment period 1 followed by gepotidacin 1500 mg (3 x 500 mg) - R capsules in treatment Period 2 followed by gepotidacin 1500 mg (2 x 750 mg) RC tablets in treatment period 3 orally for 3 days in each treatment period in Part 1a. There was a washout period of at least 3 days between the doses.

Participants received gepotidacin 1500 mg (2 x 750 mg) RC tablets in treatment period 1 followed by gepotidacin 1500 mg (2 x 750 mg) HSWG tablets in treatment period 2 followed by gepotidacin 1500 mg (3 x 500 mg) - R capsules in treatment period 3 for 3 days in each treatment period in Part 1a. There was a washout period of at least 3 days between the doses.

Participants received gepotidacin 1500 mg (2 x 750 mg) RC tablets in treatment period 1 followed by gepotidacin 3000 mg (4 x 750 mg) RC tablets in treatment period 2 orally for 3 days in each treatment period in Part 2. There was a washout period of at least 3 days between the doses.

Participants received gepotidacin 1500 mg (2 x 750 mg) RC tablets - fed in treatment period 1 followed by Gepotidacin 2250 mg (3 x 750 mg) RC tablets - fed in treatment period 2 followed by Gepotidacin 2250 mg (3 x 750 mg) RC tablets - fed in treatment period 3 orally for 3 days in each treatment period in part 3. There was a washout period of at least 3 days between the doses.

Participants received matching placebo to gepotidacin 1500 mg RC tablets in treatment period 1 followed by matching placebo to gepotidacin 2250 mg in treatment period 2 followed by matching placebo to gepotidacin 2250 mg RC tablets in treatment period 3 orally for 3 days in each treatment Period in Part 3. There was a washout period of at least 3 days between the doses.