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GSK3008356

Phase 1

Healthy Volunteers | Small molecule | Other |GSK plc|Last Updated: Jul 24, 2019

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-BlindCONTROLLEDBiomarker
Total Trials1
Total Enrollment104
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02742766Safety, Tolerability and Preliminary Pharmacokinetics (PK) and Pharmacodynamics (PD) of Single and Repeat Oral Doses of GSK3008356 in Healthy and Obese SubjectsPHASE1 COMPLETED 104Mar 14, 2016Jun 16, 2017Jul 24, 20191 Australia
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Study Endpoints
Primary Endpoints
Part 1: Number of Participants With Abnormal Findings in Physical Examinations
Up to Day 8

A complete physical examination included assessment of the cardiovascular, respiratory, gastrointestinal, dermatologic and neurological systems, height, and weight. Height was measured and recorded only at screening. A brief physical examination included assessments of the skin, lungs, cardiovascular system, and abdomen (liver and spleen). Weight was recorded with the brief physical exam, but was not part of the brief physical exam. Number of participants with abnormal findings in physical examinations in Part 1 are presented.

Part 1: Number of Participants With Vital Signs of Potential Clinical Concern
Up to Day 8

Vital signs included systolic and diastolic blood pressure and pulse 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.

Part 1: Number of Participants With 12-lead Electrocardiogram (ECG) Values of Potential Clinical Concern
Up to Day 4

Single 12-lead ECGs were obtained using an ECG machine that automatically calculated the heart rate and measured PR, QRS, and QT intervals, and QT interval corrected by Fridericia's formula (QTcF). Number of participants with 12-lead ECG values of potential clinical concern in Part 1 are presented.

Part 1: Number of Participants With Clinically Significant Findings During Cardiac Monitoring
Day 1

Continuous lead II cardiac telemetry or cardiac monitoring was performed on Day 1. Number of participants with clinically significant findings during cardiac monitoring in Part 1 are presented.

Part 1: Number of Participants With Laboratory Values of Potential Clinical Concern
Up to Day 8

Hematology parameters included hematocrit, hemoglobin, platelets, white blood cells (WBC), neutrophils, lymphocytes, monocytes, eosinophils, basophils, mean corpuscular volume, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, red blood cells (RBC) and reticulocytes. Clinical chemistry parameters included blood urea nitrogen, aspartate aminotransferase, alanine aminotransferase, gamma glutamyl transferase, alkaline phosphatase, uric acid, total protein, total and direct bilirubin, albumin, calcium, bile acids, chloride, creatinine, glucose (fasting/non-fasting), potassium, sodium and total carbon dioxide/bicarbonate. Urinalysis included specific gravity, potential of hydrogen (pH), glucose, protein, blood and ketones by dipstick and microscopic examination of urine (WBC, RBC and casts) within 120 minutes of collection.

Part 1: Number of Participants With Adverse Events (AE) and Serious Adverse Events (SAE)
Up to Day 8

AE is any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. For marketed medicinal products, this also includes failure to produce expected benefits (i.e., lack of efficacy), abuse or misuse. SAE is any untoward medical occurrence that, at any dose results in death, is life-threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, or is a congenital anomaly/birth defect or is medically significant or is associated with liver injury and impaired liver function.

Part 2: Number of Participants With Abnormal Findings in Physical Examination
Up to Day 22

A complete physical examination included assessment of the cardiovascular, respiratory, gastrointestinal, dermatologic and neurological systems, height, and weight. Height was measured and recorded only at screening. A brief physical examination included assessments of the skin, lungs, cardiovascular system, and abdomen (liver and spleen). Weight was recorded with the brief physical exam, but was not part of the brief physical exam. Number of participants with abnormal findings in physical examinations in Part 2 are presented.

Part 2: Number of Participants With Vital Signs of Potential Clinical Concern
Up to Day 22

Vital signs included systolic and diastolic blood pressure and pulse and was 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.

Part 2: Number of Participants With 12-lead ECG Values of Potential Clinical Concern
Up to Day 17

Single 12-lead ECGs were obtained using an ECG machine that automatically calculated the heart rate and measured PR, QRS, and QT intervals, and QTcF. Number of participants with 12-lead ECG values of potential clinical concern in Part 2 are presented.

Part 2: Number of Participants With Clinically Significant Findings During Cardiac Monitoring
Day 1 (Pre-dose to 4 hours post dose)

Continuous lead II cardiac telemetry or cardiac monitoring was performed on Day 1. Number of participants with clinically significant findings during cardiac monitoring in Part 2 are presented.

Part 2: Number of Participants With Laboratory Values of Potential Clinical Concern
Up to Day 22

Hematology parameters included hematocrit, hemoglobin, platelets, white blood cells, neutrophils, lymphocytes, monocytes, eosinophils, basophils, mean corpuscular volume, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, red blood cells and reticulocytes. Clinical chemistry parameters included blood urea nitrogen, aspartate aminotransferase, alanine aminotransferase, gamma glutamyl transferase, alkaline phosphatase, uric acid, total protein, total and direct bilirubin, albumin, calcium, bile acids, chloride, creatinine, glucose (fasting/non-fasting), potassium, sodium and total carbon dioxide/bicarbonate. Urinalysis included specific gravity, potential of hydrogen (pH), glucose, protein, blood and ketones by dipstick and microscopic examination (within 120 minutes of collection).

Part 2: Number of Participants With AE and SAE
Up to Day 22

AE is any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product. For marketed medicinal products, this also includes failure to produce expected benefits (i.e., lack of efficacy), abuse or misuse. SAE is any untoward medical occurrence that, at any dose results in death, is life-threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, or is a congenital anomaly/birth defect or is medically significant or is associated with liver injury and impaired liver function.

Part 3: Number of Participants With Abnormal Findings in Physical Examination
Up to Day 36

Part 3 was planned as a 28-day, repeat dose study in obese participants; however, since a tolerable dose with sufficient pharmacodynamic effects was not identified, this portion of the study was not conducted.

Part 3: Number of Participants With Vital Signs of Potential Clinical Concern
Up to Day 36

Part 3 was planned as a 28-day, repeat dose study in obese participants; however, since a tolerable dose with sufficient pharmacodynamic effects was not identified, this portion of the study was not conducted.

Part 3: Number of Participants With 12-lead ECG Values of Potential Clinical Concern
Up to Day 31

Part 3 was planned as a 28-day, repeat dose study in obese participants; however, since a tolerable dose with sufficient pharmacodynamic effects was not identified, this portion of the study was not conducted.

Part 3: Number of Participants With Clinically Significant Findings During Cardiac Monitoring
Day 1 (Pre-dose to 4 hours post-dose)

Part 3 was planned as a 28-day, repeat dose study in obese participants; however, since a tolerable dose with sufficient pharmacodynamic effects was not identified, this portion of the study was not conducted.

Part 3: Number of Participants With Laboratory Values of Potential Clinical Concern
Up to Day 36

Part 3 was planned as a 28-day, repeat dose study in obese participants; however, since a tolerable dose with sufficient pharmacodynamic effects was not identified, this portion of the study was not conducted.

Part 3: Number of Participants With AE and SAE
Up to Day 36

Part 3 was planned as a 28-day, repeat dose study in obese participants; however, since a tolerable dose with sufficient pharmacodynamic effects was not identified, this portion of the study was not conducted.

Secondary Endpoints
Part 1: Area Under the Concentration-time Curve (AUC) Extrapolated to Infinity (AUC[0 to Inf]), AUC From Time Zero to the Time of the Last Quantifiable Concentration (AUC[0 to t]) and AUC From Time Zero to 24 Hour (AUC[0 to 24])
Pre-dose, and 0.25, 0.5, 1, 1.5, 2, 4, 6, 8, 12, 18, 24 hours post-dose on Day 1 and 36, 48, and 72 hours post-dose
Part 1: Maximum Observed Plasma Concentration (Cmax) of GSK3008356
Pre-dose, and 0.25, 0.5, 1, 1.5, 2, 4, 6, 8, 12, 18, 24 hours post dose on Day 1 and 36, 48, and 72 hours post-dose
Part 1: Time to Maximum Observed Plasma Concentration (Tmax) of GSK3008356 and Apparent Terminal Half-life (t1/2) of GSK3008356
Pre-dose, and 0.25, 0.5, 1, 1.5, 2, 4, 6, 8, 12, 18, 24 hours post dose on Day 1 and 36, 48, and 72 hours post-dose
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part 1 - GSK3008356 single dose and multiple dosesEXPERIMENTALHealthy subjects will receive GSK3008356 in morning as single dose or multiple doses of 5 milligrams (mg), 10 mg, 30 mg,45 mg, 75 mg, 90 mg, 125, 180 mg, 200 mg, 250 mg total daily dose or matching placebo in eleven sequential cohorts while receiving a standard fat meal. The initial dosing for the first cohort will be staggered so that 2 subjects will be dosed as sentinel subjects. Provided there are no safety concerns, the remainder of the subjects scheduled for the cohort may be dosed. Eight subjects will be enrolled in each cohort.
Part 2 - GSK3008356 14 day repeat doseEXPERIMENTALHealthy subjects will receive GSK3008356 or matching placebo, as 14 daily doses in the three sequential cohorts. Subjects in cohort 1 will receive their daily dose in morning, while subjects in cohort 2 and cohort 3 will receive their daily dose in evening. In all the three cohorts, Day 1 and day 14 dosing will occur while receiving a standard fat meal in morning. Eight subjects will be enrolled in each cohort.
Part 3 - GSK3008356 28 day repeat doseEXPERIMENTALObese subjects will receive GSK3008356 or matching placebo, as 28 daily doses in the three parallel cohorts. Cohort 1 will evaluate 1 dose strength of GSK3008356 (or matching placebo) administered as morning doses. Cohorts 2 and 3 will evaluate 2 dose strengths (1 per cohort) of GSK3008356 (or matching placebo) administered in the evening. Ten subjects will be enrolled in each cohort.
Interventions
NameTypeDescription
GSK3008356DRUGThis intervention is available as 0.5, 1, 5, and 25 mg white oral tablet. The formulation will be used to administer dose of 5 mg, 10 mg, 30 mg, 45 mg, 75 mg, 90 mg, 125 mg, 180 mg, 200 mg, and 250 mg total daily dose during the study.
PlaceboDRUGThis intervention is available as white oral tablet. The formulation will be used as a matching placebo for GSK3008356 during the study.
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Between 18 and 65 years of age inclusive, at the time of signing the informed consent. * For Part 1 and Part 2: Healthy as determined by the investigator or medically qualified designee based on a medical evaluation including medical history, physical examination, laboratory t...

Countries:Australia
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