Number of Participants With Any Non-serious Adverse Event (AE); Any Serious AE (SAE); Any AEs Leading to Discontinuation of Study Treatment (AELD) in Part 1
An 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. Any untoward event resulting in death, life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, congenital anomaly/birth defect, any other situation according to medical or scientific judgment that may not be immediately life-threatening or result in death or hospitalization but may jeopardize the participant or may require medical or surgical intervention or event associated with liver injury and impaired liver function were categorized as SAE. Participants who received any of the study treatment and had any AE or SAE or AELD were considered for analysis. Safety Population comprised of all participants who received at least 1 dose of study treatment.
Number of Participants With Any Non-serious AE; Any SAE; Any AELD in Part 2
An 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. Any untoward event resulting in death, life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, congenital anomaly/birth defect, any other situation according to medical or scientific judgment that may not be immediately life-threatening or result in death or hospitalization but may jeopardize the participant or may require medical or surgical intervention or event associated with liver injury and impaired liver function were categorized as SAE. Participants who received any of the study treatment and had any AE or SAE or AELD were considered for analysis.
Number of Participants With Laboratory Values of Potential Clinical Importance in Part 1
Blood samples were collected for hematology, clinical chemistry, coagulation parameters and urinalysis. Abnormalities of potential clinical importance were evaluated as per Division of Acquired Immune Deficiency Syndrome [DAIDS] table for grading the severity of adult and pediatric adverse events. Laboratory abnormalities of DAIDS Grade 1 or higher were considered as of potential clinical importance and were summarized.
Number of Participants With Laboratory Values of Potential Clinical Importance in Part 2
Blood samples were collected for hematology, clinical chemistry, coagulation parameters and urinalysis. Abnormalities of potential clinical importance were evaluated as per DAIDS table for grading the severity of adult and pediatric adverse events. Laboratory abnormalities of DAIDS Grade 1 or higher were considered as of potential clinical importance and were summarized.
Change From Baseline in Complement Factor Component 3 (C3) and C4 Levels in Part 1
Blood samples were collected to evaluate complement factors (C3 and C4) levels. Latest pre-dose assessment at Day 1 was considered as Baseline value. Change from Baseline was calculated as difference between minimum level (lowest of the measurements for specimens collected) observed post-dose and pre-study drug administration.
Change From Baseline in Complement Split Product C5a Levels in Part 1
Blood samples were collected to evaluate complement split product C5a levels. Latest pre-dose assessment at Day 1 was considered as Baseline value. Change from Baseline was calculated as difference between maximum level (highest of the measurements for specimens collected) observed post-dose and pre-study drug administration.
Change From Baseline in Complement Split Product Bb Levels in Part 1
Blood samples were collected to evaluate complement split product Bb levels. Latest pre-dose assessment at Day 1 was considered as Baseline value. Change from Baseline was calculated as difference between maximum level (highest of the measurements for specimens collected) observed post-dose and pre-study drug administration
Change From Baseline in Complement Factor C3 and C4 Levels in Part 2
Blood samples were collected to evaluate complement factors (C3 and C4) levels. Latest pre-dose assessment at Day 1 or Day 22 was considered as Baseline value. Change from Baseline was calculated as difference between minimum level (lowest of the measurements for specimens collected each after Day 1 and Day 22 study drug administrations) observed post-dose and pre-study drug administration
Change From Baseline in Complement Factor C5a Levels in Part 2
Blood samples were collected to evaluate complement factors C5a levels. Latest pre-dose assessment at Day 1 or Day 22 was considered as Baseline value. Change from Baseline was calculated as difference between maximum level (lowest of the measurements for specimens collected each after Day 1 and Day 22 study drug administrations) observed post-dose and pre-study drug administration.
Change From Baseline in Complement Factor Bb Levels in Part 2
Blood samples were collected to evaluate complement factors C5a levels. Latest pre-dose assessment at Day 1 or Day 22 was considered as Baseline value. Change from Baseline was calculated as difference between maximum level (lowest of the measurements for specimens collected each after Day 1 and Day 22 study drug administrations) observed post-dose and pre-study drug administration.
Change From Baseline in Systolic Blood Pressure (SBP) and Diastolic Blood Pressure (DBP) at the Indicated Time Points in Part 1
SBP and DBP were taken at Baseline (Day 1, pre-dose) and at 1, 2, 4, 8, 12, 24, 48 and 72 hour post dose; and on Days 8 and 30. Measurements were obtained after resting for at least 5 minutes in a semi-supine position. Baseline was defined as the last scheduled non-missing measurement taken prior to drug administration. Change from Baseline was calculated as value at indicated time point minus Baseline value.
Change From Baseline in Pulse Rate (PR) at the Indicated Time Points in Part 1
Pulse rate was taken at Baseline (Day 1, pre-dose) and at 1, 2, 4, 8, 12, 24, 48 and 72 hour post dose; and on Days 8 and 30. Measurements were obtained after resting for at least 5 minutes in a semi-supine position. Baseline was defined as the last scheduled non-missing measurement taken prior to drug administration. Change from Baseline was calculated as value at indicated time point minus Baseline value.
Change From Baseline in Respiratory Rate (RR) at the Indicated Time Points in Part 1
Respiratory rate was taken at Baseline (Day 1, pre-dose) and at 1, 2, 4, 8, 12, 24, 48 and 72 hour post dose; and on Days 8 and 30. Baseline was defined as the last scheduled non-missing measurement taken prior to drug administration. Change from Baseline was calculated as value at indicated time point minus Baseline value.
Change From Baseline in Body Temperature at the Indicated Time Points in Part 1
Temperature was taken at Baseline (Day 1, pre-dose) and at 1, 2, 4, 8, 12, 24, 48 and 72 hour post dose; and on Days 8 and 30. Baseline was defined as the last scheduled non-missing measurement taken prior to drug administration. Change from Baseline was calculated as value at indicated time point minus Baseline value.
Change From Baseline in SBP and DBP at the Indicated Time Points in Part 2
SBP and DBP were taken at Baseline (Day 1, pre-dose) and at 1, 2, 4, 6, 8, 12, 24, 48 and 72 hour post Day 1 dose; on Days 8 and 15; Day 22 (pre-dose) and at 1, 4, 6, 12, 24, 48 and 72 hours post Day 22 dose; on Days 29, 36, 50, 71 and at Follow-up visit (Day 113 +- 2 days). Measurements were obtained after resting for at least 5 minutes in a semi-supine position. Baseline was defined as the last scheduled non-missing measurement taken prior to drug administration. Change from Baseline was calculated as value at indicated time point minus Baseline value.
Change From Baseline in PR at the Indicated Time Points in Part 2
Pulse rate was taken at Baseline (Day 1, pre-dose) and at 1, 2, 4, 6, 8, 12, 24, 48 and 72 hour post Day 1 dose; on Days 8 and 15; Day 22 (pre-dose) and at 1, 4, 6, 12, 24, 48 and 72 hours post Day 22 dose; on Days 29, 36, 50, 71 and at Follow-up visit (Day 113+- 2 days). Measurements were obtained after resting for at least 5 minutes in a semi-supine position. Baseline was defined as the last scheduled non-missing measurement taken prior to drug administration. Change from Baseline was calculated as value at indicated time point minus Baseline value.
Change From Baseline in RR at the Indicated Time Points in Part 2
Respiratory rate was taken at Baseline (Day 1, pre-dose) and at 1, 2, 4, 6, 8, 12, 24, 48 and 72 hour post Day 1 dose; on Days 8 and 15; Day 22 (pre-dose) and at 1, 4, 6, 12, 24, 48 and 72 hours post Day 22 dose; on Days 29, 36, 50, 71 and at Follow-up visit (Day 113+- 2 days). Baseline was defined as the last scheduled non-missing measurement taken prior to drug administration. Change from Baseline was calculated as value at indicated time point minus Baseline value.
Change From Baseline in Body Temperature at the Indicated Time Points in Part 2
Body temperature was taken at Baseline (Day 1, pre-dose) and at 1, 2, 4, 6, 8, 12, 24, 48 and 72 hour post Day 1 dose; on Days 8 and 15; Day 22 (pre-dose) and at 1, 4, 6, 12, 24, 48 and 72 hours post Day 22 dose; on Days 29, 36, 50, 71 and at Follow-up visit (Day 113+- 2 days). Baseline was defined as the last scheduled non-missing measurement taken prior to drug administration. Change from Baseline was calculated as value at indicated time point minus Baseline value.
Number of Participants With 12-lead Electrocardiogram (ECG) Findings in Part 1
12-lead ECGs were recorded at Baseline (Day 1, pre-dose) and at 1, 4, 8, 12, 24 and 48 hour post dose; and on Days 8 and 30. Measurements were obtained after resting for at least 5 minutes in a supine position. Baseline was defined as the last scheduled non-missing measurement taken prior to drug administration. Change from Baseline was calculated as value at indicated time point minus Baseline value. Number of participants with worst change from Baseline in ECG have been presented as clinically significant (CS) change or not a clinically significant (NCS) change.
Area Under the Plasma Concentration Curve (AUC) From Time Zero to Infinity [AUC (0-inf)], AUC From Time Zero to the Time of Last Quantifiable Concentration [AUC(0-t)], AUC From Time Zero to 24 Hours [AUC(0-24)] of GSK3389404 After Single Dose in Part 1
Blood samples were collected to evaluate AUC (0-inf), AUC (0-t) and AUC (0-24) of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 30 post-dose. Pharmacokinetic Concentration Population was defined as participants who underwent plasma PK sampling and had evaluable PK assay results post-dose.
Maximum Observed Concentration (Cmax), Observed Concentration at 24 Hours (C24) and at 168 Hours (C168) of GSK3389404 Following Single Dose in Part 1
Blood samples were collected to evaluate Cmax, C24 and C168 of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 30 post-dose.
Time to Maximum Observed Concentration (Tmax), Terminal Half-life (T1/2) and Lag Time (Tlag) of GSK3389404 Following Single Dose in Part 1
Blood samples were collected to evaluate Tmax, T1/2 and Tlag of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 30 post-dose.
Apparent SC Plasma Clearance (CL/F) of GSK3389404 Following Single Dose in Part 1
Blood samples were collected to evaluate CL/F of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 30 post-dose.
AUC (0-t), AUC(0-24), AUC From Time Zero to 168 Hours Post-dose [AUC(0-168)] and AUC (0-inf) of GSK3389404 Following Single Dose on Day 1 of Part 2
Blood samples were collected to evaluate AUC (0-t), AUC (0-24), AUC (0-168) and AUC (0-inf) of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 15 post-dose.
Cmax, C24 and C168 of GSK3389404 Following Single Dose on Day 1 of Part 2
Blood samples were collected to evaluate Cmax, C24 and C168 of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 15 post-dose.
Tmax, T1/2 and Tlag of GSK3389404 Following Single Dose on Day 1 of Part 2
Blood samples were collected to evaluate Tmax, T1/2 and Tlag of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 15 post-dose.
CL/F of GSK3389404 Following Single Dose on Day 1 of Part 2
Blood samples were collected to evaluate CL/F of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 15 post-dose. Only those participants with data available at the specified time points were analyzed.
AUC(0-24) and AUC From Time Zero to the End of the Dosing Interval [AUC(0-tau)] of GSK3389404 Following Dosing on Day 22 of Part 2
Blood samples were collected to evaluate AUC (0-24) and AUC (0-tau) of GSK3389404 on Day 22 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 29, 36, 50, 71 and at Follow-up (Day 113+- 2 days ).
Observed Concentration at the End of the Dosing Interval (Ctau), C24 and Cmax of GSK3389404 Following Dosing on Day 22 of Part 2
Blood samples were collected to evaluate Ctau, C24 and Cmax of GSK3389404 on Day 22 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 29, 36, 50, 71 and at Follow-up (Day 113+- 2 days ).
Tmax, T1/2 and Tlag of GSK3389404 Following Dosing on Day 22 of Part 2
Blood samples were collected to evaluate Tmax, T1/2 and Tlag of GSK3389404 on Day 22 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 29, 36, 50, 71 and at Follow-up (Day 113+- 2 days).
Cl/F of GSK3389404 Following Dosing on Day 22 of Part 2
Blood samples were collected to evaluate Cl/F of GSK3389404 on Day 22 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 29, 36, 50, 71 and at Follow-up (Day 113+- 2 days).
Dose Proportionality of GSK202007 for Dose Range 10 mg - 120 mg After Single Dose Administrations
Results of dose proportionality assessment using power model and analysis of variance (ANOVA) following single dose administariton (Part 1 and Day 1 in Part 2) are presented. Slope estimates and 90% confidence interval are presented for combined data of Day 1 of Part 1 and 2.
Dose Proportionality of GSK202007 for Dose Range 30 mg - 120 mg After Multiple Dose Administrations
Results of proportionality assessment using power model and ANOVA following multiple doses are presented. Slope estimates and 90% confidence interval are presented for Day 22 of Part 2.
Accumulation Ratio by AUC (RAUC), by Cmax (RCmax), by C24 (RC24) and by Ctau (RCtau) of GSK3389404 in Part 2
For Part 2, the extent of accumulation of GSK3389404 was evaluated by comparing AUC (0-tau), Cmax, C24 and Ctau on Day 22 to AUC (0-168), Cmax, C24 and C168 on Day 1. For each dose level, a linear mixed effect model was fitted with the log transformed PK parameter as the dependent variable, day as a fixed effect and subject as a random effect.
Time Invariance (LI) of GSK3389404 in Part 2
For Part 2, time invariance was evaluated by comparing AUC (0-tau) for Day 22 to AUC (0-inf) for Day 1. For each dose level, a linear mixed effect model was fitted with the log transformed PK parameter as the dependent variable, day as a fixed effect and subject as a random effect. Only those participants with data available at the specified time points were analyzed.
Trough Plasma Concentrations of GSK3389404 in Part 2
For Part 2, mean plasma GSK3389404 pre-dose values between Day 1 to Day 29 and Ctau were plotted against time to assess attainment of GSK3389404 steady state following multiple dose administration. Achievement of plasma GSK3389404 steady-state was assessed by calculating the 90% confidence interval (CI) of the slope of the linear regression of log (Ctau) versus time. NA indicates data was not available.
AUC (0-inf), AUC(0-t), AUC(0-24) of the Metabolite of GSK3389404 After Single Dose in Part 1
Blood samples were collected to evaluate AUC (0-inf), AUC (0-t) and AUC (0-24) of metabolite of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 30 post-dose.
Cmax, C24 and C168 of the Metabolite of GSK3389404 Following Single Dose in Part 1
Blood samples were collected to evaluate Cmax, C24 and C168 of the metabolite of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 30 post-dose.
Tmax, T1/2 and Tlag of the Metabolite of GSK3389404 Following Single Dose in Part 1
Blood samples were collected to evaluate Tmax, T1/2 and Tlag of the metabolite of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 30 post-dose.
AUC (0-t), AUC(0-24), AUC(0-168) and AUC (0-inf) of the Metabolite of GSK3389404 Following Single Dose on Day 1 of Part 2
Blood samples were collected to evaluate AUC (0-t), AUC (0-24), AUC (0-168) and AUC (0-inf) of the metabolite of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 15 post-dose.
Cmax, C24 and C168 of the Metabolite of GSK3389404 Following Single Dose on Day 1 of Part 2
Blood samples were collected to evaluate Cmax, C24 and C168 of the metabolite of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 15 post-dose.
Tmax, T1/2 and Tlag of the Metabolite of GSK3389404 Following Single Dose on Day 1 of Part 2
Blood samples were collected to evaluate Tmax, T1/2 and Tlag of the metabolite of GSK3389404 on Day 1 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 8 and 15 post-dose.
AUC(0-24) and AUC(0-tau) of the Metabolite of GSK3389404 Following Dosing of GSK3389404 on Day 22 of Part 2
Blood samples were collected to evaluate AUC (0-24) and AUC (0-tau) of the metabolite of GSK3389404 on Day 22 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 29, 36, 50, 71 and at Follow-up (Day 113+- 2 days).
Ctau, C24 and Cmax of the Metabolite of GSK3389404 Following Dosing of GSK3389404 on Day 22 of Part 2
Blood samples were collected to evaluate Ctau, C24 and Cmax of the metabolite of GSK3389404 on Day 22 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 29, 36, 50, 71 and at Follow-up (Day 113+- 2 days).
Tmax, T1/2 and Tlag of the Metabolite of GSK3389404 Following Dosing on Day 22 of Part 2
Blood samples were collected to evaluate Tmax, T1/2 and Tlag of the metabolite of GSK3389404 on Day 22 (pre-dose) and at 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72 hours post-dose; and on Days 29, 36, 50, 71 and at Follow-up (Day 113+- 2 days).