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GSK3542503

Phase 1

Hypertension | Small molecule | Cardiovascular |GSK plc|Last Updated: May 7, 2021

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
RandomizedCONTROLLEDBiomarker
Total Trials1
Total Enrollment42
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03031496Bioequivalence Study Between GSK3542503 Hydrochlorothiazide + Amiloride Hydrochloride 50 mg: 5 mg Tablets and Reference Product in Healthy Adult Participants Under Fasting ConditionsPHASE1 COMPLETED 42Mar 17, 2017Apr 10, 2017May 7, 20211 South Africa
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Study Endpoints
Primary Endpoints
Area Under the Curve (AUC) From Time Zero to the Time of the Last Quantifiable Concentration (AUC [0-t]) of Hydrochlorothiazide and Amiloride Hydrochloride
Pre-dose, 0.33, 0.67, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 6.0, 7.0, 8.0, 10, 12,14, 16 hours post-dose on Day 1, 24 and 36 hours post dose on Day 2 and 48 hours post-dose on Day 3

Blood samples were collected at indicated time points under fasting conditions for pharmacokinetic (PK) analysis of hydrochlorothiazide and amiloride. Bioequivalence of test product and reference product was assessed based on the 90 percent confidence intervals (CIs) for estimates of the geometric mean ratios between the AUC (0-t) of the test and reference products in relation to the conventional bioequivalence range. An analysis of variance was used with sequence, subject (sequence), treatment and period as fixed effects.

Maximum Observed Concentration (Cmax) of Hydrochlorothiazide and Amiloride Hydrochloride in Plasma
Pre-dose, 0.33, 0.67, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 6.0, 7.0, 8.0, 10, 12,14, 16 hours post-dose on Day 1, 24 and 36 hours post dose on Day 2 and 48 hours post-dose on Day 3

Blood samples were collected at indicated time points under fasting conditions for pharmacokinetic (PK) analysis of hydrochlorothiazide and amiloride. Bioequivalence of test product and reference product was assessed based on the 90 percent CIs for estimates of the geometric mean ratios between the Cmax of the test and reference products in relation to the conventional bioequivalence range. An analysis of variance was used with sequence, subject (sequence), treatment and period as fixed effects.

Secondary Endpoints
AUC From Time Zero to Infinity (AUC[0-inf]) of Hydrochlorothiazide and Amiloride Hydrochloride in Plasma
Pre-dose, 0.33, 0.67, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 6.0, 7.0, 8.0, 10, 12,14, 16 hours post-dose on Day 1, 24 and 36 hours post dose on Day 2 and 48 hours post-dose on Day 3
Time of Occurrence of Cmax (Tmax) of Hydrochlorothiazide and Amiloride Hydrochloride in Plasma
Pre-dose, 0.33, 0.67, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 6.0, 7.0, 8.0, 10, 12,14, 16 hours post-dose on Day 1, 24 and 36 hours post dose on Day 2 and 48 hours post-dose on Day 3
Percentage of AUC(0-inf) Obtained by Extrapolation (Percent AUCex) of Hydrochlorothiazide and Amiloride Hydrochloride in Plasma
Pre-dose, 0.33, 0.67, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 6.0, 7.0, 8.0, 10, 12,14, 16 hours post-dose on Day 1, 24 and 36 hours post dose on Day 2 and 48 hours post-dose on Day 3
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Test A followed by Ref B of HCTZ 50mg+ Amiloride HCl 5mgEXPERIMENTALEligible participants following an overnight fast of at least 10 hours, will be administered the study drug orally with 240 mL (8 fluid ounces) of water. No food will be allowed for at least 4 hours post-dose. Water will be allowed as desired except for one hour before and after drug administration.
Ref B followed by test A of HCTZ 50mg + Amiloride HCl 5mgEXPERIMENTALEligible participants following an overnight fast of at least 10 hours, will be administered the study drug orally with 240 mL (8 fluid ounces) of water. No food will be allowed for at least 4 hours post-dose. Water will be allowed as desired except for one hour before and after drug administration.
Interventions
NameTypeDescription
GSK3542503 (HCTZ 50mg/Amiloride HCl 5mg tablets)DRUGGSK3542503 (HCTZ 50mg/Amiloride HCl 5mg tablets) are cream-colored, circular, flat faced uncoated tablets with beveled edges having break line on one side and "BD" embossed on the other side.
Moduretic (HCTZ 50mg/Amiloride HCl 5mg tablets)DRUGModuretic (HCTZ 50mg/Amiloride HCl 5mg tablets) tablets are peach-colored, half scored, diamond shaped tablets marked "MSD917".
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Participants must be between18 and 65 years of age inclusive, at the time of signing the informed consent. * Healthy, non-smoker, as determined by the investigator or medically qualified designee based on a medical evaluation including medical history, physical examination, la...

Countries:South Africa
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