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MK-5478

Phase 1

Hypertension | Small molecule | Cardiovascular |Merck & Company, Inc.|Last Updated: Sep 21, 2018

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-BlindCONTROLLED
Total Trials1
Total Enrollment20
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01025843Safety and Tolerability of MK-5478 in Participants With Hypertension (5478-001)PHASE1 COMPLETED 20Dec 1, 2009May 1, 2010Sep 21, 2018 -
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Study Endpoints
Primary Endpoints
Number of Participants With One or More Adverse Events (AEs)
Up to 14 days after administration of last dose of study drug (up to Day 52)

An AE is any unfavorable and unintended change in the structure, function, or chemistry of the body temporally associated with the use of the SPONSOR's product, whether or not considered related to the use of the product. Any worsening (i.e., any clinically significant adverse change in frequency and/or intensity) of a preexisting condition which is temporally associated with the use of the SPONSOR's product, is also an AE.

Number of Participants Who Discontinued Treatment Due to an AE
Up to 24 hours after administration of study drug

An AE is any unfavorable and unintended change in the structure, function, or chemistry of the body temporally associated with the use of the SPONSOR's product, whether or not considered related to the use of the product. Any worsening (i.e., any clinically significant adverse change in frequency and/or intensity) of a preexisting condition which is temporally associated with the use of the SPONSOR's product, is also an AE.

Secondary Endpoints
Area Under the Plasma Concentration Versus Time Curve (AUC 0-infinity) of MK-5478 and Candesartan
Pre-dose and up to 48 hours postdose
Change From Baseline in Aortic Augmentation Index (AIx) of MK-5478 and Candesartan
Baseline and 1 to 3 hours postdose
Maximum Plasma Concentration (Cmax) of MK-5478 and Candesartan
Pre-dose and up to 48 hours postdose
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Pbo → 5 mg → Candesartan → 24 mg → 38 mgEXPERIMENTALPlacebo in Period 1; 5 mg MK-5478 in Period 2; Candesartan in Period 3; 24 mg MK-5478 in Period 4; and 38 mg MK-5478 in Period 5. There was a minimum 7 days washout between periods.
1 mg → 5 mg → 12 mg → Candesartan → PboEXPERIMENTAL1 mg MK-5478 in Period 1; 5 mg MK-5478 in Period 2; 12 mg MK-5478 in Period 3; Candesartan in Period 4; and Placebo in Period 5. There was a minimum 7 days washout between periods.
1 mg → Candesartan → Pbo → 24 mg → 38 mgEXPERIMENTAL1 mg MK-5478 in Period 1; Candesartan in Period 2: Placebo in Period 3; 24 mg MK-5478 in Period 4; and 38 mg MK-5478 in Period 5. There was a minimum 7 days washout between periods.
1 mg → 5 mg → 12 mg → Pbo → CandesartanEXPERIMENTAL1 mg MK-5478 in Period 1; 5 mg MK-5478 in Period 2; 12 mg MK-5478 in Period 3; Placebo in Period 4; and Candesartan in Period 5. There was a minimum 7 days washout between periods.
Pbo→ 8 mg→ 18 mg → 2 mg fed→CandesartanEXPERIMENTALPlacebo in Period 1; 8 mg MK-5478 in Period 2; 18 mg MK-5478 in Period 3; 2 mg MK-5478 in Period 4 with a high fat meal; and Candesartan in Period 5. There was a minimum 7 days washout between periods.
2 mg→Pbo → Candesartan → Pbo fed→38 mgEXPERIMENTAL2 mg MK-5478 in Period 1; Placebo in Period 2; Candesartan in Period 3; Placebo in Period 4 with a high fat meal; and 38 mg MK-5478 in Period 5. There was a minimum 7 days washout between periods.
2 mg→Candesartan→Pbo→Candesartan fed→38 mgEXPERIMENTAL2 mg MK-5478 in Period 1; Candesartan in Period 2; Placebo in Period 3; Candesartan in Period 4 with a high fat meal; and 38 mg MK-5478 in Period 5. There was a minimum 7 days washout between periods.
2 mg → 8 mg → 18 mg → 2 mg fed → PboEXPERIMENTAL2 mg MK-5478 in Period 1; 8 mg MK-5478 in Period 2; 18 mg MK-5478 in Period 3; 2 mg MK-5478 in Period 4 with a high fat meal; and Placebo in Period 5. There was a minimum 7 days washout between periods.
Candesartan→8 mg→ 18 mg →2 mg fed→38 mgEXPERIMENTALCandesartan in Period 1; 8 mg MK-5478 in Period 2; 18 mg MK-5478 in Period 3; 2 mg MK-5478 in Period 4 with a high fat meal; and 38 mg MK-5478 in Period 5. There was a minimum 7 days washout between periods.
Candesartan→Pbo → 12 mg → 24 mg→38 mgEXPERIMENTALCandesartan in Period 1; Placebo in Period 2; 12 mg MK-5478 in Period 3; 24 mg MK-5478 in Period 4; and 38 mg MK-5478 in Period 5. There was a minimum 7 days washout between periods.
Interventions
NameTypeDescription
MK-5478DRUGIn Part I: Single dose administration of MK-5478 oral capsules, total doses of 1, 2, 5, 8, 12, 18, 24 or 38 mg.
Comparator: Candesartan cilexetilDRUGSingle dose administration of candesartan, 32 mg oral tablet
Comparator: PboDRUGPlacebo
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Eligibility Criteria
Age Range18 Years — 50 Years
SexMALE
Healthy VolunteersYes

Inclusion Criteria: Part I: * Is a male between 18 to 50 years of age * Is in good health * Is a non-smoker Part II: * Is male of non-child bearing potential between 18 and 50 years of age * Has hypertension (high blood pressure) Exclusion Criteria: Part I and Part II: * Has a history of stro...

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