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A Clinical Trial of MK-1406 in Healthy Participants (MK-1406-008)

A Randomized, Open Label, Parallel Group Phase 1 Study to Compare Safety, Tolerability and Pharmacokinetics of Subcutaneously Administered MK-1406 as Three Injections Compared With Two Injections in Healthy Adult Participants

Status
Not yet recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07743151
Enrollment
400
Registered
2026-08-03
Start date
2026-09-15
Completion date
2027-02-05
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Brief summary

The purpose of this trial is to compare what happens to MK-1406 in the body of healthy participants when it is given as 2-injections and 3-injections. Researchers also want to learn about the safety of MK-1406 and if people tolerate it.

Interventions

Subcutaneous administration

Sponsors

Merck Sharp & Dohme LLC
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
BASIC_SCIENCE
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 64 Years
Healthy volunteers
Yes

Inclusion criteria

The main inclusion criteria include but are not limited to the following: * Is in good health * Has body mass index (BMI) 18.0 to 32.0 kg/m\^2

Exclusion criteria

The main

Design outcomes

Primary

MeasureTime frameDescription
Part 1: Area Under the Concentration Time Curve From Time 0 to 4 Weeks (AUC0-4w) of MK-1406Predose and at designated timepoints up to 4 weeks postdoseBlood samples will be collected at pre-specified timepoints to determine the AUC0-4w of MK-1406.
Part 1 and Part 2: Number of Participants Who Experience One or More Adverse Events (AEs)Up to approximately 43 days postdoseAn AE is 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 an AE will be reported.
Part 1 and Part 2: Number of Participants Who Experience At Least One Solicited Injection-Site ReactionUp to approximately 7 days postdoseSolicited injection-site reactions include tenderness, pain, redness/erythema, and swelling. Participants will record injection site reactions using a paper diary. The number of participants with solicited injection-site reactions will be reported.
Part 1 and Part 2: Number of Participants Who Discontinue Study Due to an AEUp to approximately 43 days postdoseAn AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. The number of participants who discontinue study due to an AE will be reported.

Secondary

MeasureTime frameDescription
Part 1: Maximum Plasma Concentration (Cmax) of MK-1406Predose and at designated timepoints up to 4 weeks postdoseBlood samples will be collected at pre-specified timepoints to determine the Cmax of MK-1406.
Part 1: Time to Maximum Plasma Concentration (Tmax) of MK-1406Predose and at designated timepoints up to 4 weeks postdoseBlood samples will be collected at pre-specified timepoints to determine the Tmax of MK-1406.
Part 1: Plasma Concentration of MK-1406 at 4 Weeks (C4w)Predose and at designated timepoints up to 4 weeks postdoseBlood samples will be collected at pre-specified timepoints to determine the C4w of MK-1406.

Contacts

STUDY_DIRECTORMedical Director

Merck Sharp & Dohme LLC

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 4, 2026