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GSK3882347

Phase 1

Uncomplicated Urinary Tract Infections | Small molecule | Infectious Disease |GSK plc|Last Updated: Mar 13, 2026

Success Probability

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Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLED
Total Trials1
Total Enrollment140

FDA Designations

No designations recorded

Clinical trial landscape

GSK3882347 · 3 trials · 2 indications

Phase 1 3
NCT05760261Drug Interaction Assessment of GSK3882347 in Healthy Participants Aged 18 to 65 YearsUrinary Tract Infections
COMPLETED27 Analytics
NCT05138822Safety, Tolerability, Pharmacokinetic and Microbiological Investigation of GSK3882347 in Female Participants With Urinary Tract InfectionsUncomplicated Urinary Tract Infections
COMPLETED140 Analytics
NCT04488770Safety, Tolerability and Pharmacokinetic Investigation of GSK3882347 in Healthy Participants.Urinary Tract Infections
COMPLETED61 Analytics
PHASE1COMPLETED
Drug Interaction Assessment of GSK3882347 in Healthy Participants Aged 18 to 65 Years
Urinary Tract InfectionsUnlock trial analytics
PHASE1COMPLETED
Safety, Tolerability, Pharmacokinetic and Microbiological Investigation of GSK3882347 in Female Participants With Urinary Tract Infections
Uncomplicated Urinary Tract InfectionsUnlock trial analytics
PHASE1COMPLETED
Safety, Tolerability and Pharmacokinetic Investigation of GSK3882347 in Healthy Participants.
Urinary Tract InfectionsUnlock trial analytics

Study Endpoints

Primary Endpoints

Period 1: Area under the curve from time zero to 24 hours (AUC [0-24]) for plasma concentration of MDZ
Up to 24 hours
Period 1: AUC (0-24) for plasma concentration of 1-hydroxy-MDZ
Up to 24 hours
Period 2: AUC (0-24) for plasma concentration of MDZ
Up to 24 hours
Period 2: AUC (0-24) for plasma concentration of 1-hydroxy-MDZ
Up to 24 hours
Period 1: AUC from time zero to last time of quantifiable concentration (AUC [0-tau]) for plasma concentration of MDZ
Up to Day 2
Period 1: AUC (0-tau) for plasma concentration of 1-hydroxy-MDZ
Up to Day 2
Period 2: AUC (0-tau) for plasma concentration of MDZ
Up to Day 15
Period 2: AUC (0-tau) for plasma concentration of 1-hydroxy-MDZ
Up to Day 15
Period 1: AUC from time zero extrapolated to infinite time (AUC [0-inf]) for plasma concentration of MDZ
Up to Day 2
Period 1: AUC (0-inf) for plasma concentration of 1-hydroxy-MDZ
Up to Day 2
Period 2: AUC (0-inf) for plasma concentration of MDZ
Up to Day 15
Period 2: AUC (0-inf) for plasma concentration of 1-hydroxy-MDZ
Up to Day 15
Period 1: Maximum plasma concentration (Cmax) of MDZ
Up to Day 2
Period 1: Cmax of 1-hydroxy-MDZ
Up to Day 2
Period 2: Cmax of MDZ
Up to Day 15
Period 2: Cmax of 1-hydroxy-MDZ
Up to Day 15
Period 1: Time to Cmax (Tmax) of MDZ
Up to Day 2
Period 1: Tmax of 1-hydroxy-MDZ
Up to Day 2
Period 2: Tmax of MDZ
Up to Day 15
Period 2: Tmax of 1-hydroxy-MDZ
Up to Day 15
Period 1: Time lag before observation of measurable concentrations (Tlag) of MDZ
Up to Day 2
Period 1: Tlag of 1-hydroxy-MDZ
Up to Day 2
Period 2: Tlag of MDZ
Up to Day 15
Period 2: Tlag of 1-hydroxy-MDZ
Up to Day 15
Period 1: Time to half-life (T1/2) of MDZ
Up to Day 2
Period 1: T1/2 of 1-hydroxy-MDZ
Up to Day 2
Period 2: T1/2 of MDZ
Up to Day 15
Period 2: T1/2 of 1-hydroxy-MDZ
Up to Day 15
Number of Participants With Microbiological Response at the Test of Cure (ToC) Visit
Day 10 to Day 13 (ToC Visit)

Microbiological response (success/failure) is used to measure microbiological efficacy. Microbiological success was defined as a reduction in E. coli count to less than (\<) 10\^3 colony-forming units (CFU) per milliliter (CFU/mL) for any E. coli at the ToC visit. Microbiological failure included all other microbiological outcomes (for example but not limited to \>=10\^3 CFU/mL for any E. coli identified at ToC visit, use of rescue medication prior to ToC, lost to follow-up before ToC, missing/unevaluable samples at ToC, etc).

Part 1: Number of Participants With Non-serious Adverse Events (AEs) and Serious Adverse Events (SAEs)
Up to 3 months

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study intervention, whether or not considered related to the study intervention. An SAE is any untoward medical occurrence that, at any dose results in death, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent disability/incapacity, is a congenital anomaly/birth defect or any other situation according to medical or scientific judgment. Number of participants with common (greater than or equal to \[\>=\]5 percent \[%\]) non-serious AEs is presented.

Part 2: Number of Participants With Non-serious AEs and SAEs
Up to 26 days

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study intervention, whether or not considered related to the study intervention. An SAE is any untoward medical occurrence that, at any dose results in death, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent disability/incapacity, is a congenital anomaly/birth defect or any other situation according to medical or scientific judgment. Number of participants with common (\>=5%) non-serious AEs is presented.

Part 1: Number of Participants With Treatment Related AEs
Up to 3 months

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study intervention, whether or not considered related to the study intervention. Number of participants with treatment related AEs is presented.

Part 2: Number of Participants With Treatment Related AEs
Up to 26 days

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study intervention, whether or not considered related to the study intervention. Number of participants with treatment related AEs is presented.

Part 1: Number of Participants With Worst-case Hematology Results Relative to Potential Clinical Importance (PCI) Criteria Post-Baseline Relative to Baseline
Up to 3 months

Blood samples were collected to analyze hematocrit,hemoglobin,leukocytes,lymphocytes,neutrophils and platelets. PCI ranges were \<0.075 or \>0.54 proportion of red blood cells in blood for hematocrit, \<25 or \>180 grams per liter(g/L) for hemoglobin,\<3 or \>20 x10\^9 cells per liter(cells/L) for leukocytes,\<0.8 x10\^9 cells/L for lymphocytes,\<1.5 x10\^9 cells/L for neutrophils and \<100 or \>550 x10\^9 cells/L for platelets.Participants were counted in worst case category that their value changes to(low,within range or no change or high),unless there is no change in their category.Participants whose laboratory value category was unchanged(for example\[e.g.\],High to High),or whose value became within range, were recorded in"To within Range or No Change" category.Participants were counted twice if the participant has values that changed 'To Low' and 'To High',so the percentages may not add to 100%.Baseline=latest pre-dose assessment with a non-missing value, including those from unscheduled visits

Part 2: Number of Participants With Worst-case Hematology Results Relative to PCI Criteria Post-Baseline Relative to Baseline
Up to 26 days

Blood samples were collected to analyze hematocrit,hemoglobin,leukocytes,lymphocytes,neutrophils and platelets. PCI ranges were \<0.075 or \>0.54 proportion of red blood cells in blood for hematocrit, \<25 or \>180 grams per liter(g/L) for hemoglobin,\<3 or \>20 x10\^9 cells per liter(cells/L) for leukocytes,\<0.8 x10\^9 cells/L for lymphocytes,\<1.5 x10\^9 cells/L for neutrophils and \<100 or \>550 x10\^9 cells/L for platelets.Participants were counted in worst case category that their value changes to(low,within range or no change or high),unless there is no change in their category.Participants whose laboratory value category was unchanged(e.g.,High to High),or whose value became within range, were recorded in"To within Range or No Change" category.Participants were counted twice if the participant has values that changed 'To Low' and 'To High',so the percentages may not add to 100%.Baseline=latest pre-dose assessment with a non-missing value, including those from unscheduled visits

Part 1: Number of Participants With Worst-case Clinical Chemistry Results Relative to PCI Criteria Post-Baseline Relative to Baseline
Up to 3 months

Blood samples were collected to analyze PCI ranges: \>=2 times Upper limit of Normal(ULN) Units per Liter(U/L) for Alanine aminotransferase(ALT),\>=2 times ULN U/L for alkaline phosphatase(ALP), \>=2 times ULN U/L for aspartate aminotransferase(AST),\>=1.5 times ULN micromoles/L for bilirubin,\<2 or \>2.75 millimoles/L (mmol/L) for calcium,\<3 or \>9 mmol/L for glucose,\<3 or \>5.5 mmol/L for potassium and \<130 or \>150 mmol/L for sodium.Participants were counted in worst case category that their value changes to(low,within range or no change or high),unless there is no change in their category.Participants whose laboratory value category was unchanged(e.g.,High to High),or whose value became within range,were recorded in"To within Range or No Change" category.Participants were counted twice if the participant has values that changed 'To Low' and 'To High',so the percentages may not add to 100%.Baseline=latest pre-dose assessment with a non-missing value,including those from unscheduled visits

Part 2: Number of Participants With Worst-case Clinical Chemistry Results Relative to PCI Criteria Post-Baseline Relative to Baseline
Up to 26 days

Blood samples were collected to analyze PCI ranges: \>=2 times ULN U/L for Alanine aminotransferase(ALT),\>=2 times ULN U/L for alkaline phosphatase(ALP), \>=2 times ULN U/L for aspartate aminotransferase(AST),\>=1.5 times ULN micromoles/L for bilirubin,\<2 or \>2.75 mmol/L for calcium,\<3 or \>9 mmol/L for glucose,\<3 or \>5.5 mmol/L for potassium and \<130 or \>150 mmol/L for sodium.Participants were counted in worst case category that their value changes to(low,within range or no change or high),unless there is no change in their category.Participants whose laboratory value category was unchanged(e.g.,High to High),or whose value became within range,were recorded in"To within Range or No Change" category.Participants were counted twice if the participant has values that changed 'To Low' and 'To High',so the percentages may not add to 100%.Baseline=latest pre-dose assessment with a non-missing value,including those from unscheduled visits.

Part 1: Number of Participants With Worst Case Urinalysis Results Post Baseline Relative to Baseline
Up to 3 months

Urine samples were collected for the analysis of urine parameters including occult blood and protein by dipstick. The dipstick test gave results in a semi-quantitative manner, and results for urinalysis parameters were recorded as no change/decreased, increase to positive for urine occult blood and protein indicating proportional concentrations in the urine sample. Baseline was defined as the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Number of participants with worst case urinalysis results Post Baseline relative to Baseline is presented.

Part 2: Number of Participants With Worst Case Urinalysis Results Post Baseline Relative to Baseline
Up to 26 days

Urine samples were collected for the analysis of urine parameters including occult blood and protein by dipstick. The dipstick test gave results in a semi-quantitative manner (proportional concentrations in urine samples), and results for urinalysis parameters were recorded as no change/decreased, increase to positive for urine occult blood and protein. 'No change/decreased' indicates no change from Baseline results or decreased in results from Baseline including change in negative results. 'Increase to positive' indicates increase in result from Baseline. Baseline was defined as the latest pre-dose assessment with a non-missing value, including those from unscheduled visits. Number of participants with worst case urinalysis results Post Baseline relative to Baseline is presented.

Part 1: Number of Participants With Worst Case Vital Signs Results Relative to PCI Criteria Post Baseline Relative to Baseline
Up to 3 months

Vital signs were assessed including Systolic blood pressure (SBP), diastolic blood pressure (DBP) and pulse rate (PR). PCI ranges were \<85 (Low), 85-160 (Normal) and \>160 (High) for SBP; \<45 (Low), 45-100 (Normal), \>100 (High) for DBP; \<40 (Low), 40-110 (Normal), \>110 (High) for pulse rate. Participants were counted in worst case category that their value changes to(low,within range or no change, high),unless there is no change in their category.Participants whose laboratory value category was unchanged(e.g.,High to High),or whose value became within range, were recorded in"To within Range or No Change" category.Participants were counted twice if the participant has values that changed 'To Low' and 'To High',so the percentages may not add to 100%.Baseline was defined as latest pre-dose assessment with a non-missing value, including those from unscheduled visits

Part 2: Number of Participants With Worst Case Vital Signs Results Relative to PCI Criteria Post Baseline Relative to Baseline
Up to 26 days

Vital signs were assessed including Systolic blood pressure (SBP), diastolic blood pressure (DBP) and pulse rate (PR). PCI ranges were \<85 (Low), 85-160 (Normal) and \>160 (High) for SBP; \<45 (Low), 45-100 (Normal), \>100 (High) for DBP; \<40 (Low), 40-110 (Normal), \>110 (High) for pulse rate. Participants were counted in worst case category that their value changes to(low,within range or no change, high),unless there is no change in their category.Participants whose laboratory value category was unchanged(e.g.,High to High),or whose value became within range, were recorded in"To within Range or No Change" category.Participants were counted twice if the participant has values that changed 'To Low' and 'To High',so the percentages may not add to 100%.Baseline was defined as latest pre-dose assessment with a non-missing value, including those from unscheduled visits

Part 1: Number of Participants With Worst Case Abnormal Electrocardiogram (ECG) Results Post Baseline Relative to Baseline
Up to 3 months

A 12-lead ECG was recorded with the participant in a semi-supine position after a rest of at least 10 minutes. Twelve lead ECGs were obtained by using an automated ECG machine that measured PR, QRS, QT, and corrected QT (QTc) intervals and calculated heart rate. Data for abnormal not clinically significant (NCS) and clinically significant (CS) ECG findings are presented. CS abnormal findings are those which are not associated with the underlying disease, unless judged by the investigator to be more severe than expected for the participant's condition. Baseline was defined as latest pre-dose assessment with a non-missing value, including those from unscheduled visits.

Part 2: Number of Participants With Worst Case Abnormal ECG Results Post Baseline Relative to Baseline
Up to 26 days

A 12-lead ECG was recorded with the participant in a semi-supine position after a rest of at least 10 minutes. Twelve lead ECGs were obtained by using an automated ECG machine that measured PR, QRS, QT, and corrected QT (QTc) intervals and calculated heart rate. Data for abnormal not clinically significant (NCS) and clinically significant (CS) ECG findings are presented. CS abnormal findings are those which are not associated with the underlying disease, unless judged by the investigator to be more severe than expected for the participant's condition. Baseline was defined as latest pre-dose assessment with a non-missing value, including those from unscheduled visits.

Part 1: Area Under the Concentration-time Curve From Time Zero to 24 Hours (AUC[0-24]) After Single Dose Administration of GSK3882347
Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16 and 24 hours post-dose in each treatment period

Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 1: Area Under the Concentration-time Curve From Time Zero to the Last Quantifiable Concentration (AUC[0-t]) After Single Dose Administration of GSK3882347
Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16, 24, 32, 48, 72 and 96 hours post-dose in each treatment period

Blood samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 1: Area Under the Concentration-time Curve Extrapolated From Time Zero to Infinity (AUC[0-infinity]) After Single Dose Administration of GSK3882347
Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16, 24, 32, 48, 72 and 96 hours post-dose in each treatment period

Blood samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 1: Maximum Plasma Concentration (Cmax) After Single Dose Administration of GSK3882347
Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16, 24, 32, 48, 72 and 96 hours post-dose in each treatment period

Blood samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 1: Plasma Concentrations at 24 Hours (C24h) After Single Dose Administration of GSK3882347
Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16 and 24 hours post-dose in each treatment period

Blood samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 1: Time to Cmax (Tmax) After Single Dose Administration of GSK3882347
Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16, 24, 32, 48, 72 and 96 hours post-dose in each treatment period

Blood samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 1: Lag Time for Absorption (Tlag) After Single Dose Administration of GSK3882347
Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16, 24, 32, 48, 72 and 96 hours post-dose in each treatment period

Blood samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 1: Terminal Elimination Half-life (T1/2) After Single Dose Administration of GSK3882347
Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16, 24, 32, 48, 72 and 96 hours post-dose in each treatment period

Blood samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 2: Area Under the Concentration-time Curve Over the Dosing Interval Tau (AUC[0-tau]) After Repeat Dose Administration of GSK3882347
Days 1 and 7: Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16, 24 hours post-dose

Blood samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 2: Cmax After Repeat Dose Administration of GSK3882347
Days 1 and 7: Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16, 24 hours post-dose

Blood samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 2: Tmax After Repeat Dose Administration of GSK3882347
Days 1 and 7: Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16, 24 hours post-dose

Blood samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 2: Plasma Concentrations Over the Dosing Interval (Ctau) After Repeat Dose Administration of GSK3882347
Days 1 and 7: Pre-dose, 15, 30 minutes, 1, 1.5, 2, 4, 6, 8, 12, 16, 24 hours post-dose

Blood samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 1: Urine Concentration Between 22-24 Hours (C22-24) After Single Dose Administration of GSK3882347
Day 1: 22-24 hours post-dose in each treatment period

Urine samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 2: Urine Concentration Between 22-24 Hours (C22-24) After Repeat Dose Administration of GSK3882347
Day 1 and Day 7: 22-24 hours post-dose

Urine samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 1: Amount of Drug Excreted in Urine of Unchanged Drug (Ae Total) After Single Dose Administration of GSK3882347
At 0-2, 2-4, 4-6, 6-8, 8-10, 10-12, 12-22, 22-24, 24-26, 26-32, 32-38, 38-48, 48-60, 60-72, 72-84, 84-96 hours post-dose in each treatment period

Urine samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 2: Amount of Drug Excreted in Urine of Unchanged Drug (Ae Total) After Repeat Dose Administration of GSK3882347
Days 1 and 7: At 0-2, 2-4, 4-6, 6-8, 8-10, 10-12, 12-22, 22-24 hours post-dose

Urine samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis.

Part 1: Percentage of the Given Dose of Drug Excreted in Urine (%fe Total) After Single Dose Administration of GSK3882347
At 0-2, 2-4, 4-6, 6-8, 8-10, 10-12, 12-22, 22-24, 24-26, 26-32, 32-38, 38-48, 48-60, 60-72, 72-84, 84-96 hours post-dose in each treatment period

Urine samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis. %fe was calculated as: (Ae total/Dose)\*100 percent (%).

Part 2: Percentage of the Given Dose of Drug Excreted in Urine (%fe Total) After Single Dose Administration of GSK3882347
Day 1 and Day 7: At 0-2, 2-4, 4-6, 6-8, 8-10, 10-12, 12-22, 22-24 hours post-dose

Urine samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis. %fe was calculated as: (Ae total/Dose)\*100%.

Part 1: Renal Clearance of Drug (CLr) After Single Dose Administration of GSK3882347
At 0-2, 2-4, 4-6, 6-8, 8-10, 10-12, 12-22, 22-24, 24-26, 26-32, 32-38, 38-48, 48-60, 60-72, 72-84, 84-96 hours post-dose in each treatment period

Urine samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis. CLr was calculated as: Ae total/AUC(0-t)

Part 2: Renal Clearance of Drug (CLr) After Repeat Dose Administration of GSK3882347
Day 1 and Day 7: At 0-2, 2-4, 4-6, 6-8, 8-10, 10-12, 12-22, 22-24 hours post-dose

Urine samples were collected at indicated time points for PK analysis of GSK3882347. PK parameters were analyzed using standard non-compartmental analysis. CLr was calculated as: Ae total/AUC(0-t).

Secondary Endpoints

Number of participants with adverse events (AEs) and serious adverse events (SAEs)
Up to Day 15
Number of participants with clinically significant changes in hematology laboratory values
Up to Day 15
Number of participants with clinically significant changes in chemistry laboratory values
Up to Day 15
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
GSK3882347 and MDZEXPERIMENTALPeriod 1: Participants will receive MDZ on Day 1. Period 2: Participants will receive 14-days of repeat dosing of GSK3882347 Followed by one dose of MDZ co-administered with GSK3882347 on Day 15.
GSK3882347+ PlaceboEXPERIMENTALParticipants received GSK3882347 oral capsules plus placebo oral capsules from Day 1 to Day 5.
Nitrofurantoin + PlaceboACTIVE_COMPARATORParticipants received 100 milligrams (mg) of nitrofurantoin oral capsules plus placebo oral capsules from Day 1 to Day 5.
Part 1 (SAD) Cohort 1:Participants receiving GSK3882347EXPERIMENTALIn this single ascending dose phase, participants will receive GSK3882347 50 milligram (mg), 150 mg and 250 mg orally on Day 1 of period 1, 2 and 3 respectively. Period 4 will be conducted to assess food effect based on the observed human PK.
Part 1 (SAD),Cohort 1:Participants receiving PlaceboPLACEBO_COMPARATORIn this single ascending dose phase, participants will receive matching Placebo orally on Day 1 of period 1, 2 and 3. Period 4 will be conducted to assess food effect based on the observed human PK.
Part 1 (SAD),Cohort 2: Participants receiving GSK3882347EXPERIMENTALIn this single ascending dose phase, participants will receive GSK3882347 500 mg, 15 mg and 900 mg orally on Day 1 of period 1, 3 and 2 respectively.
Part 1 (SAD),Cohort 2: Participants receiving PlaceboPLACEBO_COMPARATORIn this single ascending dose phase, participants will receive matching Placebo orally on Day 1 of period 1, 3 and 2.
Part 2 (MAD),Cohort 3: Participants receiving GSK3882347 50mgEXPERIMENTALIn this multiple ascending dose phase, participants will receive GSK3882347 50 mg orally on Day 1 to Day 7 of the study. The dose to be administered may be changed based on clinical safety, tolerability and PK findings in Part 1.
Part 2 (MAD),Cohort 3: Participants receiving PlaceboPLACEBO_COMPARATORIn this multiple ascending dose phase, participants will receive matching Placebo orally on Day 1 to Day 7 of the study.
Part 2 (MAD),Cohort 4: Participants receiving GSK3882347 150mgEXPERIMENTALGSK3882347 150 mg will be administered orally to the participants on Day 1 to day 7 of the study. This is a projected dose. The dose administered in Part 2, Cohort 4 will be based on PK/PD results from preceding dosing cohorts.
Part 2 (MAD),Cohort 4: Participants receiving PlaceboPLACEBO_COMPARATORIn this multiple ascending dose phase, participants will receive matching Placebo orally on Day 1 to Day 7 of the study.
Part 2(MAD),Cohort 5: Participants receiving GSK3882347 500mgEXPERIMENTALGSK3882347 500 mg will be administered orally to the participants on Day 1 to day 7 of the study. This is a projected dose. The dose administered in Part 2, Cohort 5 will be based on PK/PD results from preceding dosing cohorts.
Part 2 (MAD),Cohort 5: Participants receiving PlaceboPLACEBO_COMPARATORIn this multiple ascending dose phase, participants will receive matching Placebo orally on Day 1 to Day 7 of the study.
Part 2(MAD),Cohort 6: Participants receiving GSK3882347 900mgEXPERIMENTALGSK3882347 900 mg will be administered orally to the participants on Day 1 to day 7 of the study. This is a projected dose. The dose administered in Part 2, Cohort 6 will be based on PK/PD results from preceding dosing cohorts.
Part 2(MAD),Cohort 6: Participants receiving PlaceboPLACEBO_COMPARATORIn this multiple ascending dose phase, participants will receive matching Placebo orally on Day 1 to Day 7 of the study.

Interventions

NameTypeDescription
MidazolamDRUGMidazolam will be administered.
GSK3882347DRUGGSK3882347 will be administered.
NitrofurantoinDRUGNitrofurantoin was administered.
PlaceboDRUGPlacebo matching GSK3882347 or Nitrofurantoin was administered.
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion criteria: * Participants who are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, and cardiac monitoring. A participant with a clinical abnormality or laboratory parameter(s) not specifically listed in the exclusion or ...

Countries:United KingdomUnited States
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Frequently asked questions about GSK3882347

What is GSK3882347 used for?

GSK3882347 is an investigational small molecule being developed for the treatment of Urinary Tract Infections (UTIs), including Uncomplicated Urinary Tract Infections. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities.

Who makes GSK3882347?

GSK3882347 is being developed by GSK plc, a global biopharma company listed on the London Stock Exchange under the ticker GSK. The company is conducting Phase 1 clinical trials to evaluate the safety, tolerability, and pharmacokinetics of this investigational drug.

What phase is GSK3882347 in?

GSK3882347 is in Phase 1 clinical development. It is an investigational drug and has not received regulatory approval. GSK plc is conducting early-stage trials to assess its safety, tolerability, and pharmacokinetic profile in healthy participants and in female patients with urinary tract infections.

What clinical trials is GSK3882347 in?

GSK3882347 has been studied in three completed Phase 1 trials: NCT04488770 in healthy participants in the UK, NCT05138822 in female participants with urinary tract infections in the US, and NCT05760261, a drug interaction study in healthy participants in the UK. All trials are completed.

Is GSK3882347 the same as GSK3882347?

GSK3882347 is the sole name provided for this investigational drug. No alternative names or aliases have been reported. It is a small molecule being developed by GSK plc for urinary tract infections.