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MK-2214

Phase 1

Alzheimer Disease | Monoclonal antibody | Neurology |Merck & Company, Inc.|Last Updated: Aug 27, 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 Trials1
Total Enrollment34
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05466422A Study of MK-2214 in Adults With Mild Cognitive Impairment or Mild-to-Moderate Alzheimer's Disease (MK-2214-002)PHASE1 COMPLETED 34Sep 20, 2022Jul 3, 2025Aug 27, 202512 United States
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Study Endpoints
Primary Endpoints
Number of Participants Who Experience At Least One Adverse Event (AE)
Up to approximately 297 days

An AE is defined as any untoward medical occurrence in a participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. The number of participants who experience at least one AE will be presented.

Number of Participants Who Discontinue Study Treatment Due to an AE
Up to approximately 57 days

An AE is defined as any untoward medical occurrence in a participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. The number of participants who discontinue study treatment due to an AE will be presented.

Serum Area Under the Concentration-Time Curve of MK-2214 from Time 0 to 28 Hours (AUC0-28) After First and Third Dose
At designated time points (up to 85 days)

AUC is a measure of the extrapolated mean concentration in serum. Blood samples will be collected pre-dose and post-dose at designated timepoints to determine AUC0-28 of MK-2214.

Serum Maximum Concentration (Cmax) of MK-2214 After First and Third Dose
At designated time points (up to 85 days)

Cmax is the maximum concentration of the drug observed in plasma. Blood samples will be collected pre-dose and post-dose at designated timepoints to determine Cmax of MK-2214.

Serum Time to Maximum Concentration (Tmax) of MK-2214 After First and Third Dose
At designated time points (up to 85 days)

Tmax is the amount of time required to reach Cmax. Blood samples will be collected pre-dose and post-dose at designated timepoints to determine Tmax of MK-2214.

Serum Apparent Terminal Half-Life (t1/2) of MK-2214 After First and Third Dose
At designated time points (up to 85 days)

t1/2 is the time required for 50% of drug to be cleared from serum. Blood samples will be collected pre-dose and post-dose at designated timepoints to determine t1/2 of MK-2214.

Concentration of MK-2214 in Cerebrospinal Fluid (CSF) at Day 85 (C85d)
Day 85

CSF concentration of MK-2214 will be presented for Day 85.

Percentage change from baseline to Day 29 in free phospho-tau in CSF
Baseline and Day 29 pre-dose

Free phospho-tau in CSF will be determined for participants using the individual percent of baseline values (100\* free phospho-tau / baseline).

Percentage change from baseline to Day 85 in free phospho-tau in CSF
Baseline and Day 85

Free phospho-tau in CSF will be determined for participants using the individual percent of baseline values (100\* free phospho-tau / baseline).

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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
MK-2214EXPERIMENTALParticipants will receive MK-2214 administered in escalating doses as an intravenous (IV) infusion on Days 1, 29, and 57.
PlaceboPLACEBO_COMPARATORParticipants will receive placebo as an IV infusion on Days 1, 29, and 57.
Interventions
NameTypeDescription
MK-2214BIOLOGICALMK-2214 in escalating doses as an IV infusion on Days 1, 29, and 57
PlaceboDRUGPlacebo as an IV infusion on Days 1, 29, and 57
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Eligibility Criteria
Age Range50 Years — 80 Years
SexALL
Healthy VolunteersYes
Study Sites12

Inclusion Criteria: * Participant is in overall good health based on medical history and laboratory safety tests * BMI between 18.5 and 35 kg/m\^2 Part 1 (MCI and Mild to Moderate AD) Only: * History of cognitive and functional decline with gradual onset and slow progression for at least one year...

Countries:United States
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