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GSK3739937

Phase 1

HIV Infections | Small molecule | Infectious Disease |GSK plc|Last Updated: Jul 16, 2025

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment91

FDA Designations

No designations recorded

Clinical trial landscape

GSK3739937 · 1 trial · 1 indication

Phase 1 1
NCT04493684GSK3739937 First-Time-In-Human (FTIH) Study in Healthy VolunteersHIV Infections
COMPLETED91 Analytics
PHASE1COMPLETED
GSK3739937 First-Time-In-Human (FTIH) Study in Healthy Volunteers
HIV InfectionsUnlock trial analytics

Study Endpoints

Primary Endpoints

Part 1 - Number of Any Adverse Events (AEs) and Serious Adverse Events (SAEs)
Up to 27 weeks

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 defined as 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 and important medical events may jeopardize the participant or may require medical or surgical intervention/Standard of care (SOC) to prevent one of the other outcomes mentioned before.

Part 2 - Number of Any AEs and SAEs
Up to 5 weeks

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 defined as 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 and important medical events may jeopardize the participant or may require medical or surgical intervention/SOC to prevent one of the other outcomes mentioned before.

Part 3 - Number of Any AEs and SAEs
Up to 16 weeks

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 defined as 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 and important medical events may jeopardize the participant or may require medical or surgical intervention/SOC to prevent one of the other outcomes mentioned before.

Part 1 - Change From Baseline in Hematology Parameters - Basophils, Eosinophils, Lymphocytes, Monocytes, Neutrophils, Platelets
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Basophils, Eosinophils, Lymphocytes, Monocytes, Neutrophils and Platelets. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Hematology Parameters - Basophils, Eosinophils, Lymphocytes, Monocytes, Neutrophils, Platelets
Baseline (Day 1, pre-dose) and Day 14

Blood samples were collected to assess change from baseline in Basophils, Eosinophils, Lymphocytes, Monocytes, Neutrophils and Platelets. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Hematology Parameters - Basophils, Eosinophils, Lymphocytes, Monocytes, Neutrophils, Platelets
Baseline (Day 1, pre-dose) and Day 15

Blood samples were collected to assess change from baseline in Basophils, Eosinophils, Lymphocytes, Monocytes, Neutrophils and Platelets. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Hematology Parameters - Basophils, Eosinophils, Lymphocytes, Monocytes, Neutrophils, Platelets
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Basophils, Eosinophils, Lymphocytes, Monocytes, Neutrophils and Platelets. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Hematology Parameters - Erythrocytes Count
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Erythrocytes count. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Hematology Parameters - Erythrocytes Count
Baseline (Day 1, pre-dose) and Day 14

Blood samples were collected to assess change from baseline in Erythrocytes count. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Hematology Parameters - Erythrocytes Count
Baseline (Day 1, pre-dose) and Day 15

Blood samples were collected to assess change from baseline in Erythrocytes count. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Hematology Parameters - Erythrocytes Count
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Erythrocytes count. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Hematology Parameter - Erythrocytes Mean Corpuscular Hemoglobin (MCH)
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Erythrocytes Mean Corpuscular Hemoglobin (MCH). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Hematology Parameter - Erythrocytes Mean Corpuscular Hemoglobin (MCH)
Baseline (Day 1, pre-dose) and Day 14

Blood samples were collected to assess change from baseline in Erythrocytes Mean Corpuscular Hemoglobin (MCH). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Hematology Parameter - Erythrocytes Mean Corpuscular Hemoglobin (MCH)
Baseline (Day 1, pre-dose) and Day 15

Blood samples were collected to assess change from baseline in Mean Corpuscular Hemoglobin (MCH). Blood samples were collected to assess change from baseline in Erythrocytes Mean Corpuscular Hemoglobin (MCH). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Hematology Parameter - Erythrocytes Mean Corpuscular Hemoglobin (MCH)
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Mean Corpuscular Hemoglobin (MCH). Blood samples were collected to assess change from baseline in Erythrocytes Mean Corpuscular Hemoglobin (MCH). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Hematology Parameter - Hematocrit
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Hematocrit. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Hematology Parameter - Hematocrit
Baseline (Day 1, pre-dose) and Day 14

Blood samples were collected to assess change from baseline in Hematocrit. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Hematology Parameter - Hematocrit
Baseline (Day 1, pre-dose) and Day 15

Blood samples were collected to assess change from baseline in Hematocrit. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Hematology Parameter - Hematocrit
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Hematocrit. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Hematology Parameter - Reticulocytes
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Reticulocytes. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Hematology Parameter - Reticulocytes
Baseline (Day 1, pre-dose) and Day 14

Blood samples were collected to assess change from baseline in Reticulocytes. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Hematology Parameter - Reticulocytes
Baseline (Day 1, pre-dose) and Day 15

Blood samples were collected to assess change from baseline in Reticulocytes. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Hematology Parameter - Reticulocytes
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Reticulocytes. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Hematology Parameter - Hemoglobin (Hb)
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Hemoglobin (Hb). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Hematology Parameter - Hemoglobin (Hb)
Baseline (Day 1, pre-dose) and Day 14

Blood samples were collected to assess change from baseline in Hemoglobin (Hb). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Hematology Parameter - Hemoglobin (Hb)
Baseline (Day 1, pre-dose) and Day 15

Blood samples were collected to assess change from baseline in Hemoglobin (Hb). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Hematology Parameter - Hemoglobin (Hb)
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Hemoglobin (Hb). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Clinical Chemistry Parameter - Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), Alkaline Phosphate (ALP) and Serum Creatine Phosphokinase (CPK)
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), Alkaline Phosphate (ALP) and Serum Creatine Phosphokinase (CPK). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Clinical Chemistry Parameter - ALT, AST, ALP and Serum CPK
Baseline (Day 1, pre-dose) and Day 14

Blood samples were collected to assess change from baseline in Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), Alkaline Phosphate (ALP) and Serum Creatine Phosphokinase (CPK). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Clinical Chemistry Parameter -ALT, AST, ALP and Serum CPK
Baseline (Day 1, pre-dose) and Day 15

Blood samples were collected to assess change from baseline in Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), Alkaline Phosphate (ALP) and Serum Creatine Phosphokinase (CPK). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Clinical Chemistry Parameter - ALT, AST, ALP and CPK
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), Alkaline Phosphate (ALP) and Serum Creatine Phosphokinase (CPK). Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Clinical Chemistry Parameters- Bicarbonate, Calcium, Glucose, Chloride, Magnesium, Phosphate, Potassium, Sodium, Blood Urea Nitrogen, Cholesterol, High Density Lipoprotein, Low Density Lipoprotein, Triglycerides
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Bicarbonate, Calcium, Glucose, Chloride, Magnesium, Phosphate, Potassium, Sodium, Blood Urea Nitrogen (BUN), Cholesterol, High Density Lipoprotein (HDL), Low Density Lipoprotein (LDL) and Triglycerides. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Clinical Chemistry Parameters- Bicarbonate, Calcium, Glucose, Chloride, Magnesium, Phosphate, Potassium, Sodium, BUN, Cholesterol, HDL, LDL, Triglycerides
Baseline (Day 1, pre-dose) and Day 14

Blood samples were collected to assess change from baseline in Bicarbonate, Calcium, Glucose, Chloride, Magnesium, Phosphate, Potassium, Sodium, Blood Urea Nitrogen (BUN), Cholesterol, High Density Lipoprotein (HDL), Low Density Lipoprotein (LDL) and Triglycerides. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Clinical Chemistry Parameters- Bicarbonate, Calcium, Glucose, Chloride, Magnesium, Phosphate, Potassium, Sodium, BUN, Cholesterol, HDL, LDL, Triglycerides
Baseline (Day 1, pre-dose) and Day 15

Blood samples were collected to assess change from baseline in Bicarbonate, Calcium, Glucose, Chloride, Magnesium, Phosphate, Potassium, Sodium, Blood Urea Nitrogen (BUN), Cholesterol, High Density Lipoprotein (HDL), Low Density Lipoprotein (LDL) and Triglycerides. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Clinical Chemistry Parameters- Bicarbonate, Calcium, Glucose, Chloride, Magnesium, Phosphate, Potassium, Sodium, BUN, Cholesterol, HDL, LDL, Triglycerides Edit Properties | Duplicate Measure
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Bicarbonate, Calcium, Glucose, Chloride, Magnesium, Phosphate, Potassium, Sodium, Blood Urea Nitrogen (BUN), Cholesterol, High Density Lipoprotein (HDL), Low Density Lipoprotein (LDL) and Triglycerides. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Clinical Chemistry Parameters - Amylase and Lipase
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Amylase and Lipase. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Clinical Chemistry Parameters - Amylase and Lipase
Baseline (Day 1, pre-dose) and Day 14

Blood samples were collected to assess change from baseline in Amylase and Lipase. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Clinical Chemistry Parameters - Amylase and Lipase
Baseline (Day 1, pre-dose) and Day 15

Blood samples were collected to assess change from baseline in Amylase and Lipase. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Clinical Chemistry Parameters - Amylase and Lipase
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Amylase and Lipase. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Clinical Chemistry Parameter - Total Bilirubin, Direct Bilirubin and Creatinine
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Total Bilirubin, Direct Bilirubin and Creatinine. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Clinical Chemistry Parameter - Total Bilirubin, Direct Bilirubin and Creatinine
Baseline (Day 1, pre-dose) and Day 14

Blood samples were collected to assess change from baseline in Total Bilirubin, Direct Bilirubin and Creatinine. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Clinical Chemistry Parameter - Total Bilirubin, Direct Bilirubin and Creatinine
Baseline (Day 1, pre-dose) and Day 15

Blood samples were collected to assess change from baseline in Total Bilirubin, Direct Bilirubin and Creatinine. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Clinical Chemistry Parameter - Total Bilirubin, Direct Bilirubin and Creatinine
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Total Bilirubin, Direct Bilirubin and Creatinine. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Clinical Chemistry Parameter - Total Protein
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Total Protein. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 - (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Clinical Chemistry Parameter - Total Protein
Baseline (Day 1, pre-dose) and Day 14

Blood samples were collected to assess change from baseline in Total Protein. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Clinical Chemistry Parameter - Total Protein
Baseline (Day 1, pre-dose) and Day 15

Blood samples were collected to assess change from baseline in Total Protein. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Clinical Chemistry Parameter - Total Protein
Baseline (Day -1) and Day 6

Blood samples were collected to assess change from baseline in Total Protein. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Number of Participants With Abnormal Urinalysis Parameters
Up to 27 weeks

Urine samples were collected to detect presence of occult blood and protein through dipstick and random method respectively. The results presented are worst case abnormal urinalysis results post-baseline relative to baseline.

Part 2 - Number of Participants With Abnormal Urinalysis Parameters
Up to 5 weeks

Urine samples were collected to detect presence of occult blood and protein through dipstick and random method respectively. The results presented are worst case abnormal urinalysis results post-baseline relative to baseline.

Part 3 - Number of Participants With Abnormal Urinalysis Parameters
Up to 16 weeks

Urine samples were collected to detect presence of occult blood and protein through dipstick and random method respectively. The results presented are worst case abnormal urinalysis results post-baseline relative to baseline.

Part 1 - Change From Baseline in Vital Signs: Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)
Baseline (Day 1, pre-dose) and Day 6

Blood pressure (SBP and DBP) was assessed in semi-supine position with a completely automated device. Blood pressure measurement preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline is defined as the average of the triplicate predose assessments within each treatment. Change from Baseline was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Vital Signs - Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)
Baseline (Day 1, pre-dose) and Day 14

Blood pressure (SBP and DBP) was assessed in semi-supine position with a completely automated device. Blood pressure measurement preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline is defined as the average of the triplicate predose assessments within each treatment. Change from Baseline was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Vital Signs - Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)
Baseline (Day 1, pre-dose) and Day 15

Blood pressure (SBP and DBP) was assessed in semi-supine position with a completely automated device. Blood pressure measurement preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline is defined as the average of the triplicate predose assessments within each treatment. Change from Baseline was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Vital Signs - Diastolic Blood Pressure (DBP) and Systolic Blood Pressure (SBP)
Baseline (Day 1, pre-dose) and Day 6

Blood pressure (SBP and DBP) was assessed in semi-supine position with a completely automated device. Blood pressure measurement preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline is defined as the average of the triplicate predose assessments within each treatment. Change from Baseline was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Vital Signs - Pulse Rate
Baseline (Day 1, pre-dose) and Day 6

Pulse rate was assessed in semi-supine position with a completely automated device. Pulse rate measurement preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Vital Signs - Pulse Rate
Baseline (Day 1, pre-dose) and Day 14

Pulse rate was assessed in semi-supine position with a completely automated device. Pulse rate measurement preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Vital Signs - Pulse Rate
Baseline (Day 1, pre-dose) and Day 15

Pulse rate was assessed in semi-supine position with a completely automated device. Pulse rate measurement preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Vital Signs - Pulse Rate
Baseline (Day 1, pre-dose) and Day 6

Pulse rate was assessed in semi-supine position with a completely automated device. Pulse rate measurement preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Vital Signs - Body Temperature
Baseline (Day 1, pre-dose) and Day 6

Temperature was assessed in the semi-recumbent position with a completely automated device, preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Vital Signs - Body Temperature
Baseline (Day 1, pre-dose) and Day 14

Body temperature were assessed at indicated time-points. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Vital Signs - Body Temperature
Baseline (Day 1, pre-dose) and Day 15

Body temperature were assessed at indicated time-points. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Vital Signs - Body Temperature
Baseline (Day 1, pre-dose) and Day 6

Body temperature were assessed at indicated time-points. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Change From Baseline in Vital Signs - Respiratory Rate
Baseline (Day 1, pre-dose) and Day 6

Respiratory rate was assessed in the semi-recumbent position with a completely automated device, preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QD PBO and Cohort 3, 4 and 5) - Change From Baseline in Vital Signs - Respiratory Rate
Baseline (Day 1, pre-dose) and Day 14

Respiratory rate was assessed in the semi-recumbent position with a completely automated device, preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 2 (QW PBO and Cohort 6) - Change From Baseline in Vital Signs - Respiratory Rate
Baseline (Day 1, pre-dose) and Day 15

Respiratory rate was assessed in the semi-recumbent position with a completely automated device, preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 3 - Change From Baseline in Vital Signs - Respiratory Rate
Baseline (Day 1, pre-dose) and Day 6

Respiratory rate was assessed in the semi-recumbent position with a completely automated device, preceded by at least 5 minutes of rest for the participant in a quiet setting without distractions. Baseline value was the latest pre-dose assessment with a non-missing value, including those from unscheduled visits, before the first dose of study drug administration. Change from Baseline value is presented and was calculated as post-dose visit value minus Baseline value.

Part 1 - Number of Participants With Worst Case Post-Baseline Electrocardiogram (ECG) Findings
Up to 27 weeks

Twelve lead ECGs were obtained using an ECG machine that automatically calculated the heart rate and measured PR, QRS, QT, and QT interval corrected using the Fridericia's formula (QTcF) intervals. ECG findings were categorized as Normal, Abnormal clinically significant (CS) and Abnormal not clinically significant (NCS). Clinically significant 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. Data for number of participants with worst case post-Baseline ECG findings have been presented.

Part 2 - Number of Participants With Worst Case Post-Baseline ECG Findings
Up to 5 weeks

Twelve lead ECGs were obtained using an ECG machine that automatically calculated the heart rate and measured PR, QRS, QT, and QT interval corrected using the Fridericia's formula (QTcF) intervals. ECG findings were categorized as Normal, Abnormal clinically significant (CS) and Abnormal not clinically significant (NCS). Clinically significant 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. Data for number of participants with worst case post-Baseline ECG findings have been presented.

Part 3 - Number of Participants With Worst Case Post-Baseline ECG Findings
Up to 16 weeks

Twelve lead ECGs were obtained using an ECG machine that automatically calculated the heart rate and measured PR, QRS, QT, and QT interval corrected using the Fridericia's formula (QTcF) intervals. ECG findings were categorized as Normal, Abnormal clinically significant (CS) and Abnormal not clinically significant (NCS). Clinically significant 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. Data for number of participants with worst case post-Baseline ECG findings have been presented.

Part 3 - Area Under the Plasma Concentration Time Curve (AUC) From Zero to 24 Hours (AUC[0-24]) of GSK3739937
Pre-dose, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 12, 16 and 24 hours post-dose in each treatment period

Blood samples were collected at indicated time points for pharmacokinetic (PK) analysis of GSK3739937. PK parameters were analyzed using standard non-compartmental analysis.

Part 3 - AUC From Time Zero (Pre-dose) Extrapolated to Infinite Time (AUC[0-inf]) of GSK3739937
Pre-dose (within 15 minutes prior to dosing) and 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 24, 48, 72, 96, 120, 192, 264, and 360 hours post-dose in each treatment period

Blood samples were collected at indicated time points for PK analysis of GSK3739937. PK parameters were analyzed using standard non-compartmental analysis.

Part 3 - Maximum Observed Concentration (Cmax) of GSK3739937
Pre-dose (within 15 minutes prior to dosing) and 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 24, 48, 72, 96, 120, 192, 264, and 360 hours post-dose in each treatment period

Blood samples were collected at indicated time points for PK analysis of GSK3739937. PK parameters were analyzed using standard non-compartmental analysis.

Secondary Endpoints

Part 1 (Cohort 1 and 2) - AUC(0-24) of GSK3739937
Pre-dose (within 15 minutes prior to dosing) and 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 8, 12 and 24 hours post-dose in each treatment period
Part 1 (Cohort 1 and 2) - AUC From Zero (Pre-dose) to Time of the Last Quantifiable Concentration (t) (AUC [0-t]) of GSK3739937
Pre-dose (within 15 minutes prior to dosing) and 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 8, 12, 24, 48, 72, 96, 120, 192, 264 and 360 hours post-dose in each treatment period
Part 1 (Cohort 1 and 2) - AUC(0-inf) of GSK3739937
Pre-dose (within 15 minutes prior to dosing) and 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 8, 12, 24, 48, 72, 96, 120, 192, 264 and 360 hours post-dose in each treatment period
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part 1: Cohort 1: Participants receiving GSK3739937EXPERIMENTALPart 1 cohort 1 may contain up to 4 escalating doses (Period 1- 10 milligram \[mg\], Period 2- 80 mg, and Period 3- 320 mg, Period 4- 800 mg) of GSK3739937.
Part 1: Cohort 1: Participants receiving PlaceboPLACEBO_COMPARATORIn this cohort, participants will be randomized to receive placebo.
Part 1: Cohort 2: Participants receiving GSK3739937EXPERIMENTALPart 1 cohort 2 may contain up to 3 escalating doses ( Period 1- 30 mg, Period 2- 160 mg, and Period 3- 640 mg) of GSK3739937.
Part 1: Cohort 2: Participants receiving PlaceboPLACEBO_COMPARATORIn this cohort, participants will be randomized to receive placebo.
Part 2: Cohort 3: Participants receiving GSK3739937EXPERIMENTALEligible participants in part 2 cohort 3, will consist of approximately 10 participants out of 7 participants will be randomized to receive a once-daily dose of 25 mg GSK3739937 for 14 days.
Part 2: Cohort 3: Participants receiving PlaceboPLACEBO_COMPARATOREligible participants in part 2 cohort 3, will consist of approximately 10 participants out of 3 participants will be randomized to receive a once-daily dose of placebo for 14 days.
Part 2: Cohort 4: Participants receiving GSK3739937EXPERIMENTALEligible participants in part 2 cohort 4, will consist of approximately 10 participants out of 7 participants will be randomized to receive a once-daily dose of 50 mg GSK3739937 for 14 days.
Part 2: Cohort 4: Participants receiving PlaceboPLACEBO_COMPARATOREligible participants in part 2 cohort 4, will consist of approximately 10 participants out of 3 participants will be randomized to receive a once-daily dose of placebo for 14 days.
Part 2: Cohort 5: Participants receiving GSK3739937EXPERIMENTALEligible participants in part 2 cohort 5, will consist of approximately 10 participants out of 7 participants will be randomized to receive a once-daily dose of 100 mg GSK3739937 for 18 days.
Part 2: Cohort 5: Participants receiving placeboPLACEBO_COMPARATOREligible participants in part 2 cohort 5, will consist of approximately 10 participants out of 3 participants will be randomized to receive a once-daily dose of placebo for 18 days.
Part 2: Cohort 6: Participants receiving GSK3739937EXPERIMENTALEligible participants in part 2 cohort 6, will consist of approximately 10 participants out of 7 participants will be randomized to receive three 500 mg doses of GSK3739937 administered at once weekly intervals over two weeks.
Part 2: Cohort 6: Participants receiving placeboPLACEBO_COMPARATOREligible participants in part 2 cohort 6, will consist of approximately 10 participants out of 3 participants will be randomized to receive three doses of placebo administered at once weekly intervals over two weeks.
Part 3: Cohort 7: Participants receiving treatment sequence ABCEXPERIMENTALParticipants will receive Treatment A: GSK3739937 PiB, 100 mg administered under moderate fat conditions in Period 1; Treatment B: GSK3739937 Tablet, 100 mg administered under moderate fat conditions in Period 2; and Treatment C: GSK3739937 Tablet, 100 mg administered under fasted conditions in Period 3.
Part 3: Cohort 7: Participants receiving treatment sequence BCAEXPERIMENTALParticipants will receive Treatment B: GSK3739937 Tablet, 100 mg administered under moderate fat conditions in Period 1; Treatment C: GSK3739937 Tablet, 100 mg administered under fasted conditions in Period 2; and Treatment A: GSK3739937 PiB, 100 mg administered under moderate fat conditions in Period 3.
Part 3: Cohort 7: Participants receiving treatment sequence CABEXPERIMENTALParticipants will receive Treatment C: GSK3739937 Tablet, 100 mg administered under fasted conditions in Period 1; Treatment A: GSK3739937 PiB, 100 mg administered under moderate fat conditions in Period 2; and Treatment B: GSK3739937 Tablet, 100 mg administered under moderate fat conditions in Period 3.

Interventions

NameTypeDescription
GSK3739937 (PIB)DRUGGSK3739937 will be administered as oral suspension.
PlaceboDRUGPlacebo will be given orally during each dosing day.
GSK3739937 (Tablet)DRUGGSK3739937 Tablet will be administered via oral route.
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Participant must be 18 to 55 years of age inclusive, at the time of signing the informed consent. * Participants who are overtly healthy as determined by the investigator or medically qualified designee based on a medical evaluation including medical history, physical examinat...

Countries:United States
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Frequently asked questions about GSK3739937

What is GSK3739937 used for?

GSK3739937 is an investigational small molecule being developed for the treatment of HIV Infections. It is currently in Phase 1 clinical development, meaning it has not yet been approved by regulatory authorities and is still being studied for safety and tolerability in humans.

Who makes GSK3739937?

GSK3739937 is being developed by GSK plc, a global biopharmaceutical company. GSK plc is publicly traded on the London Stock Exchange and the New York Stock Exchange under the ticker symbol GSK.

What phase is GSK3739937 in?

GSK3739937 is in Phase 1 clinical development. It has completed one Phase 1 first-time-in-human study in healthy volunteers, and it remains an investigational drug that has not been approved by the FDA or any other regulatory agency.

What clinical trials is GSK3739937 in?

GSK3739937 has one completed clinical trial registered under NCT04493684, titled "GSK3739937 First-Time-In-Human (FTIH) Study in Healthy Volunteers." This Phase 1 study enrolled 91 participants in the United States and was a randomized, double-blind, placebo-controlled trial.

How does GSK3739937 work?

GSK3739937 is a small molecule therapeutic candidate. Its specific molecular target has not been disclosed in available information, so its precise mechanism of action in treating HIV Infections has not been publicly detailed.