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GSK3923868

Phase 1

Pulmonary Disease, Chronic Obstructive | Small molecule | Other |GSK plc|Last Updated: Mar 7, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials4
Total Enrollment136
FDA Designations
No designations recorded
Clinical Trials (4)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06597500A Study to Evaluate the Effect of Itraconazole on the Concentration of GSK3923868 in the Blood in Healthy ParticipantsPHASE1 COMPLETED 20Sep 30, 2024Dec 23, 2024Mar 7, 20251 United Kingdom
NCT05677347Phase 1, Single and Repeat Dose Study to Assess Safety, Tolerability, and Pharmacokinetics (PK) of GSK3923868 in Participants With Chronic Obstructive Pulmonary Disease (COPD)PHASE1 COMPLETED 12Jan 23, 2023Jul 20, 2023Oct 15, 20241 Germany
NCT05398198Efficacy and Safety of GSK3923868 Inhalation Powder, During Experimental Human Rhinovirus Infection in Participants With Mild AsthmaPHASE1 COMPLETED 48Jun 9, 2022Apr 9, 2024May 6, 20241 United Kingdom
NCT04585009Safety, Tolerability and Pharmacokinetics of GSK3923868 Inhalation Powder in Healthy Participants and Stable AsthmaticsPHASE1 COMPLETED 56Oct 12, 2020Jun 16, 2022Feb 20, 20241 United Kingdom
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Study Endpoints
Primary Endpoints
Treatment Period 1: Area under plasma concentration versus time curve (AUC) from time zero to last quantifiable concentration [AUC(0-t)] for GSK3923868 without itraconazole co-administration
Up to Day 3
Treatment Period 2: AUC(0-t) for GSK3923868 with itraconazole co-administration
Up to Day 11
Treatment Period 1: AUC from time zero to infinity [AUC(0-∞)] for GSK3923868 without itraconazole co-administration
Up to Day 3
Treatment Period 2: AUC(0-∞) for GSK3923868 with itraconazole co-administration
Up to Day 11
Treatment Period 1: Maximum observed plasma concentration (Cmax) for GSK3923868 without itraconazole co-administration
Up to Day 3
Treatment Period 2: Cmax for GSK3923868 with itraconazole co-administration
Up to Day 11
Treatment Period 1: Time to Cmax (Tmax) for GSK3923868 without itraconazole co-administration
Up to Day 3
Treatment Period 2: Tmax for GSK3923868 with itraconazole co-administration
Up to Day 11
Number of Participants With Non-serious Adverse Events (Non-SAEs) and Serious Adverse Events (SAEs) Following Single Dose of GSK3923868
Up to 18 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 or significant disability/incapacity, is a congenital anomaly/birth defect or any other situation according to medical or scientific judgment. Adverse events which were not serious, were considered as non-serious adverse events.

Number of Participants With Non-SAEs and SAEs Following Repeat Dose of GSK3923868
Up to 29 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 or significant disability/incapacity, is a congenital anomaly/birth defect or any other situation according to medical or scientific judgment. Adverse events which were not serious, were considered as non-serious adverse events.

Number of Participants With Clinically Significant Changes in Hematology and Clinical Chemistry Laboratory Parameters Following Single Dose of GSK3923868
Up to 18 days

The laboratory measurements included hematology and clinical chemistry. The parameters evaluated were Basophil, Eosinophil, Erythrocyte Mean Corpuscular Hemoglobin, Erythrocyte Mean Corpuscular Volume, Erythrocytes, Hematocrit, Hemoglobin, Lymphocyte, Monocyte, Neutrophils, Platelets and Reticulocytes, Alanine Aminotransferase, Albumin, Alkaline phosphatase, Aspartate Aminotransferase, Bilirubin, Calcium, Creatinine, Direct Bilirubin, Glucose, Potassium, Sodium and Urea. Number of participants with clinically significant changes in hematology and clinical chemistry and were reported. Clinical significance was determined by the investigator.

Number of Participants With Clinically Significant Changes in Hematology and Clinical Chemistry Laboratory Parameters Following Repeat Dose of GSK3923868
Up to 29 days

The laboratory measurements included hematology and clinical chemistry. The parameters evaluated were Basophil, Eosinophil, Erythrocyte Mean Corpuscular Hemoglobin, Erythrocyte Mean Corpuscular Volume, Erythrocytes, Hematocrit, Hemoglobin, Lymphocyte, Monocyte, Neutrophils, Platelets and Reticulocytes, Alanine Aminotransferase, Albumin, Alkaline phosphatase, Aspartate Aminotransferase, Bilirubin, Calcium, Creatinine, Direct Bilirubin, Glucose, Potassium, Sodium and Urea. Number of participants with clinically significant changes in hematology and clinical chemistry and were reported. Clinical significance was determined by the investigator.

Number of Participants With Clinically Significant Changes in Urinalysis Parameters Following Repeat Dose of GSK3923868
Up to 29 days

Urine samples were collected at indicated time points for the analysis of urinalysis parameters including specific gravity, potential of hydrogen (pH) of urine, presence of glucose, protein, erythrocytes, ketones, bilirubin, urobilinogen, nitrite, leukocyte esterase in urine by dipstick. Number of participants with clinically significant changes in urinalysis parameters were reported. Clinical significance was determined by the investigator.

Number of Participants With Clinically Significant Changes in Vital Signs and 12-lead Electrocardiogram (ECG) Findings Following Single Dose of GSK3923868
Up to 18 days

Vital signs included systolic and diastolic blood pressure, pulse rate and respiratory rate were measured with the participant in semi-supine position after at least 10 minutes rest. Tympanic Temperature was also measured as a vital sign but did not require positioning or rest prior to measuring. Twelve-lead electrocardiogram were performed in a semi-supine position after at least 10 minutes rest using an ECG machine that automatically calculates the heart rate and measures PR interval, QRS duration, QT and corrected QT intervals (QTc) intervals. Number of participants with clinically significant changes in vital signs and ECG parameters were reported. Clinical significance was determined by the investigator.

Number of Participants With Clinically Significant Changes in Vital Signs and 12-lead Electrocardiogram (ECG) Findings Following Repeat Dose of GSK3923868
Up to 29 days

Vital signs included systolic and diastolic blood pressure, pulse rate and respiratory rate were measured with the participant in semi-supine position after at least 10 minutes rest. Tympanic Temperature was also measured as a vital sign but did not require positioning or rest prior to measuring. Twelve-lead electrocardiogram were performed in a semi-supine position after at least 10 minutes rest using an ECG machine that automatically calculates the heart rate and measures PR interval, QRS duration, QT and corrected QT intervals (QTc) intervals. Number of participants with clinically significant changes in vital signs and ECG parameters were reported. Clinical significance was determined by the investigator.

Number of Participants With Clinically Significant Changes in Spirometry Measurements Following Single Dose of GSK3923868
Up to 18 days

Spirometry included forced expiratory volume in 1 second (FEV1) for lung function assessment. FEV1 is an important measure of pulmonary function and is the maximum amount of air that can be forced out in one second after taking a deep breath. Spirometry assessments were performed in triplicate with the highest value reported. Number of participants with clinically significant changes in spirometry measurements were reported. Clinical significance was determined by the investigator.

Number of Participants With Clinically Significant Changes in Spirometry Measurements Following Repeat Dose of GSK3923868
Up to 29 days

Spirometry included forced expiratory volume in 1 second (FEV1) for lung function assessment. FEV1 is an important measure of pulmonary function and is the maximum amount of air that can be forced out in one second after taking a deep breath. Spirometry assessments were performed in triplicate with the highest value reported. Number of participants with clinically significant changes in spirometry measurements were reported. Clinical significance was determined by the investigator.

Area under curve (AUC) of change from baseline (CfB) in total lower respiratory tract symptoms (LRTS) score from day of inoculation up to discharge
Baseline and up to Day 15

The LRTS includes cough, chest tightness, shortness of breath, wheezing, daily activity, and night time awakenings. Each symptom is assessed on a 4-point scale. The score ranges from 0 to 3, where higher points indicate more symptoms experienced and severity that restricts normal activities. Shortness of breath and wheezing will be measured on a 5-point scale and ranges from 0 to 4 in which 0 indicates no symptoms and 4 indicates symptoms at total rest and the highest level of disease severity. LRTS assessment is performed three times a day.

Part A, Cohort-1: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)
Up to Day 43

AEs and SAEs were collected. An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study treatment, whether or not considered related to the study treatment. A SAE is any untoward medical occurrence that, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent disability/incapacity and/or can result in death. Number of participants with AEs and SAEs assessed in Part A, Cohort-1 from the start of dosing and post-dose washout period (10 days) after treatment periods was reported.

Part A, Cohort 2: Number of Participants With AEs and SAEs
Up to Day 43

AEs and SAEs were collected. An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study treatment, whether or not considered related to the study treatment. A SAE is any untoward medical occurrence that, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent disability/incapacity and/or can result in death. Number of participants with AEs and SAEs assessed in Part A, Cohort-2 from the start of dosing and post-dose washout period (10 days) after treatment periods was reported.

Part B: Number of Participants With AEs and SAEs
Up to Day 28

AEs and SAEs were collected. An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study treatment, whether or not considered related to the study treatment. A SAE is any untoward medical occurrence that, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent disability/incapacity and/or can result in death. Number of participants with AEs and SAEs assessed in Part B, Cohort-3 and 4 (repeat dose) of the study were reported. Part B assessed repeat doses of study drug across two parallel cohorts (Cohorts 3 and 4).

Part C: Number of Participants With AEs and SAEs
Up to Day 21

AEs and SAEs were collected. An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study treatment, whether or not considered related to the study treatment. A SAE is any untoward medical occurrence that, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent disability/incapacity and/or can result in death. Number of participants with AEs and SAEs assessed in Part C, Cohort-5 (repeat dose) of the study were reported.

Part A, Cohort-1: Number of Participants With Clinically Significant Changes in Clinical Chemistry and Hematology Laboratory Parameters
From start of the treatment (Day 1) to Day 2 in each treatment period

The laboratory (lab) measurements included Clinical chemistry and hematology. The parameters evaluated were hemoglobin, leukocytes, lymphocytes/leukocytes, neutrophils/leukocytes, platelets, hematocrit, mean corpuscular volume, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, red blood cells, reticulocytes, Alanine Aminotransferase (ALT), Albumin, Alkaline Phosphatase, Aspartate Aminotransferase, Bilirubin, Calcium Corrected for Albumin, Creatinine, Glucose, Potassium and Sodium. Number of participants with clinically significant changes from baseline in clinical chemistry and hematology were reported. Clinical significance was determined by the investigator.

Part A, Cohort-2: Number of Participants With Clinically Significant Changes in Clinical Chemistry and Hematology Lab Parameters
From start of the treatment (Day 1) to Day 2 in each treatment period

The laboratory (lab) measurements included Clinical chemistry and hematology. The parameters evaluated were hemoglobin, leukocytes, lymphocytes/leukocytes, neutrophils/leukocytes, platelets, hematocrit, mean corpuscular volume, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, red blood cells, reticulocytes, Alanine Aminotransferase (ALT), Albumin, Alkaline Phosphatase, Aspartate Aminotransferase, Bilirubin, Calcium Corrected for Albumin, Creatinine, Glucose, Potassium and Sodium. Number of participants with clinically significant changes from baseline in clinical chemistry and hematology were reported. Clinical significance was determined by the investigator.

Part B: Number of Participants With Clinically Significant Changes in Clinical Chemistry and Hematology Lab Parameters
From start of the treatment (Day 1) to Day 18

The laboratory (lab) measurements included Clinical chemistry and hematology. The parameters evaluated were hemoglobin, leukocytes, lymphocytes/leukocytes, neutrophils/leukocytes, platelets, hematocrit, mean corpuscular volume, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, red blood cells, reticulocytes, Alanine Aminotransferase (ALT), Albumin, Alkaline Phosphatase, Aspartate Aminotransferase, Bilirubin, Calcium Corrected for Albumin, Creatinine, Glucose, Potassium and Sodium. Part B assessed repeat doses of study drug across two parallel cohorts (Cohorts 3 and 4). Number of participants with clinically significant changes from baseline in clinical chemistry and hematology were reported. Clinical significance was determined by the investigator.

Part C: Number of Participants With Clinically Significant Changes in Clinical Chemistry and Hematology Lab Parameters
From start of the treatment (Day 1) to Day 8

The laboratory (lab) measurements included Clinical chemistry and hematology. The parameters evaluated were hemoglobin, leukocytes, lymphocytes/leukocytes, neutrophils/leukocytes, platelets, hematocrit, mean corpuscular volume, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, red blood cells, reticulocytes, Alanine Aminotransferase (ALT), Albumin, Alkaline Phosphatase, Aspartate Aminotransferase, Bilirubin, Calcium Corrected for Albumin, Creatinine, Glucose, Potassium and Sodium. Number of participants with clinically significant changes from baseline in clinical chemistry and hematology were reported. Clinical significance was determined by the investigator.

Part A, Cohort-1: Number of Participants With Clinically Significant Changes in Vital Signs and 12-Lead Electrocardiogram (ECG) Findings
From start of the treatment (Day 1) to Day 2 in each treatment period

Vital signs included systolic and diastolic blood pressure, pulse and respiratory rate and were measured with the participant in semi-supine position after 5 minutes rest. Temperature was also measured as a vital sign but did not require positioning or rest prior to measuring. Twelve-lead electrocardiogram were performed in a semi-supine position using an ECG machine that automatically calculates the heart rate and measures PR interval, QRS duration, QT and corrected QT intervals (QTc) intervals. Number of participants with clinically significant changes in parameters for cohort-1 were reported. Clinical significance was determined by the investigator.

Part A, Cohort-2: Number of Participants With Clinically Significant Changes in Vital Signs and 12-Lead ECG Findings
From start of the treatment (Day 1) to Day 2 in each treatment period

Vital signs included systolic and diastolic blood pressure, pulse and respiratory rate and were measured with the participant in semi-supine position after 5 minutes rest. Temperature was also measured as a vital sign but did not require positioning or rest prior to measuring. Twelve-lead electrocardiogram were performed in a semi-supine position using an ECG machine that automatically calculates the heart rate and measures PR interval, QRS duration, QT and corrected QT intervals (QTc) intervals. Number of participants with clinically significant changes in parameters for cohort-2 were reported. Clinical significance was determined by the investigator.

Part B: Number of Participants With Clinically Significant Changes in Vital Signs and 12-Lead ECG Findings
From start of the treatment (Day 1) to Day 18

Vital signs included systolic and diastolic blood pressure, pulse and respiratory rate and were measured with the participant in semi-supine position after 5 minutes rest. Temperature was also measured as a vital sign but did not require positioning or rest prior to measuring. Twelve-lead electrocardiogram were performed in a semi-supine position using an ECG machine that automatically calculates the heart rate and measures PR interval, QRS duration, QT and corrected QT intervals (QTc) intervals. Part B assessed repeat doses of study drug across two parallel cohorts (Cohorts 3 and 4). Number of participants with clinically significant changes in parameters were reported. Clinical significance was determined by the investigator.

Part C: Number of Participants With Clinically Significant Changes in Vital Signs and 12-Lead ECG Findings
From start of the treatment (Day 1) to Day 8

Vital signs included systolic and diastolic blood pressure, pulse and respiratory rate and were measured with the participant in semi-supine position after 5 minutes rest. Temperature was also measured as a vital sign but did not require positioning or rest prior to measuring. Twelve-lead electrocardiogram were performed in a semi-supine position using an ECG machine that automatically calculates the heart rate and measures PR interval, QRS duration, QT and corrected QT intervals (QTc) intervals. Number of participants with clinically significant changes in parameters for cohort-5 were reported. Clinical significance was determined by the investigator.

Part A, Cohort-1: Number of Participants With Clinically Significant Changes in Spirometry Measurements
From start of the treatment (Day 1) to Day 2 in each treatment period

Spirometry included forced expiratory volume in 1 second (FEV1) and forced vital capacity (FVC) for lung function assessment. Number of participants with clinically significant changes in parameters were reported. Clinical significance was determined by the investigator.

Part A, Cohort-2: Number of Participants With Clinically Significant Changes in Spirometry Measurements
From start of the treatment (Day 1) to Day 2 in each treatment period

Spirometry included forced expiratory volume in 1 second (FEV1) and forced vital capacity (FVC) for lung function assessment. Number of participants with clinically significant changes in parameters were reported. Clinical significance was determined by the investigator.

Part B: Number of Participants With Clinically Significant Changes in Spirometry Measurements
From start of the treatment (Day 1) up to Day 18

Spirometry included forced expiratory volume in 1 second (FEV1) and forced vital capacity (FVC) for lung function assessment. Number of participants with clinically significant changes in parameters were reported. Clinical significance was determined by the investigator.

Part C: Number of Participants With Clinically Significant Changes in Spirometry Measurements
From start of the treatment (Day 1) to Day 8

Spirometry included forced expiratory volume in 1 second (FEV1) and forced vital capacity (FVC) for lung function assessment. Number of participants with clinically significant changes in parameters were reported. Clinical significance was determined by the investigator.

Secondary Endpoints
Number of participants with adverse events (AEs)
Up to Day 30
Number of participants with serious adverse events (SAEs)
Up to Day 30
Number of participants with clinically significant changes in laboratory values
Up to Day 30
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Treatment Period 1: GSK3923868EXPERIMENTALParticipants will receive GSK3923868 on Day 1.
Treatment Period 2: GSK3923868 + ItraconazoleEXPERIMENTALParticipants will receive itraconazole from Days 1 to 10 and GSK3923868 on Day 5.
GSK3923868 500 mcg SD/Placebo SD/GSK3923868 1500 mcg RDEXPERIMENTALEligible participants will receive a single dose (SD) of GSK3923868 500 microgram (mcg) in Treatment Period 1 followed by a single dose of placebo matching GSK3923868 in Treatment Period 2. Participants will also receive a repeat dose (RD) of GSK3923868 1500 mcg in Treatment Period 3. There will be a washout period between each treatment period. Participants will have a follow-up of 14 days after the last dose of GSK3923868.
GSK3923868 500 mcg SD/GSK3923868 1000 mcg SD/Placebo RDEXPERIMENTALEligible participants will receive a single dose of GSK3923868 500 mcg in Treatment Period 1 followed by a single dose of GSK3923868 1000 mcg in Treatment Period 2. Participants will also receive a repeat dose of placebo matching GSK3923868 in Treatment Period 3. There will be a washout period between each treatment period. Participants will have a follow-up of 14 days after the last dose of GSK3923868.
GSK3923868 500 mcg SD/GSK3923868 1000 mcg SD/GSK3923868 1500 mcg RDEXPERIMENTALEligible participants will receive a single dose of GSK3923868 500 mcg in Treatment Period 1 followed by a single dose of GSK3923868 1000 mcg in Treatment Period 2. Participants will also receive repeat dose of GSK3923868 1500 mcg in Treatment Period 3. There will be a washout period between each treatment period. Participants will have a follow-up of 14 days after the last dose of GSK3923868.
Placebo SD/GSK3923868 1000 mcg SD/GSK3923868 1500 mcg RDEXPERIMENTALEligible participants will receive a single dose of placebo matching GSK3923868 in Treatment Period 1 followed by a single dose of GSK3923868 1000 mcg in Treatment Period 2. Participants will also receive a repeat dose of GSK3923868 1500 mcg in Treatment Period 3. There will be a washout period between each treatment period. Participants will have a follow-up of 14 days after the last dose of GSK3923868.
GSK3923868EXPERIMENTALAll participants in this arm will receive GSK3923868
PlaceboPLACEBO_COMPARATORAll participants in this arm will receive matching placebo
Cohort1:GSK3923868 50 micrograms (mcg)/ Placebo/ 250mcgEXPERIMENTALHealthy participants will receive single ascending doses of GSK3923868 or placebo in the planned treatment sequence: GSK3923868 50 mcg/Placebo/250 mcg in treatment periods 1, 2 and 3 respectively. There will be at least 10 days of wash-out period between doses for each participant.
Cohort 1:GSK3923868 50 mcg/ 100 mcg/ PlaceboEXPERIMENTALHealthy participants will receive single ascending doses of GSK3923868 or placebo in the planned treatment sequence: GSK3923868 50 mcg/100 mcg/Placebo in treatment periods 1, 2 and 3 respectively. There will be at least 10 days of wash-out period between doses for each participant.
Cohort 1:GSK3923868 50mcg/ 100mcg/ 250mcgEXPERIMENTALHealthy participants will receive single ascending doses of GSK3923868 in the planned treatment sequence: GSK3923868 50 mcg/100 mcg/250 mcg in treatment periods 1, 2 and 3 respectively. There will be at least 10 days of wash-out period between doses for each participant.
Cohort 1:Placebo / GSK3923868 100 mcg/ GSK3923868 250 mcgEXPERIMENTALHealthy participants will receive single ascending doses of GSK3923868 or placebo in the planned treatment sequence: Placebo/GSK3923868 100 mcg/GSK3923868 250 mcg in treatment periods 1, 2 and 3 respectively. There will be at least 10 days of wash-out period between doses for each participant.
Cohort 2:Placebo / GSK3923868 1000 mcg/ GSK3923868 3000 mcgEXPERIMENTALHealthy participants will receive single ascending doses of GSK3923868 or placebo in the planned treatment sequence: Placebo/GSK3923868 1000 mcg/GSK3923868 3000 mcg. There will be at least 10 days of wash-out period between doses for each participant.
Cohort 2:GSK3923868 500 mcg/ Placebo/ 3000 mcgEXPERIMENTALHealthy participants will receive single ascending doses of GSK3923868 or placebo in the planned treatment sequence: GSK3923868 500 mcg/Placebo/3000 mcg. There will be at least 10 days of wash-out period between doses for each participant.
Cohort 2:GSK3923868 500 mcg/ 1000 mcg/ PlaceboEXPERIMENTALHealthy participants will receive single ascending doses of GSK3923868 or placebo in the planned treatment sequence: GSK3923868 500 mcg/1000 mcg/Placebo. There will be at least 10 days of wash-out period between doses for each participant.
Cohort 2:GSK3923868 500mcg/ 1000mcg/ 3000mcgEXPERIMENTALHealthy participants will receive single ascending doses of GSK3923868 in the planned treatment sequence: GSK3923868 500 mcg/1000 mcg/3000 mcg. There will be at least 10 days of wash-out period between doses for each participant.
Cohort 3: Participants receivings repeated doses of GSK3923868EXPERIMENTALHealthy participants will receive planned repeat doses of 3000 mcg (six capsules) GSK3923868 daily for 14 days
Cohort 4: Participants receiving repeat doses of GSK3923868EXPERIMENTALHealthy participants will receive planned repeat doses of 3000 mcg (six capsules) GSK3923868 daily for 14 days
Cohort 5: Participants receiving repeat doses of GSK3923868EXPERIMENTALParticipants with stable asthma will receive a planned repeat dosing of 3000 mcg (six capsules) GSK3923868 daily for 7 days
Interventions
NameTypeDescription
GSK3923868DRUGGSK3923868 will be administered.
ItraconazoleDRUGItraconazole will be administered.
PlaceboDRUGPlacebo will be administered
Matching placeboDRUGPlacebo to match GSK3923868 will be available as capsule containing inhalation powder to be delivered via Monodose RS01 device.
Monodose RS01DEVICEParticipants will receive GSK3923868 and placebo as capsules containing inhalation powder blend to be delivered via Monodose RS01 device.
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Participants who are overtly healthy as determined by medical evaluation based on screening medical history, physical examination, vital signs, electrocardiogram (ECG) assessment, pulmonary function testing and laboratory tests. * Body weight at least 50 kilograms (kg) and bod...

Countries:United KingdomGermany
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