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A Clinical Trial of MK-4082 in Healthy Participants (MK-4082-005)

A Clinical Study to Evaluate the Plasma Pharmacokinetics of a Single Dose of MK-4082 With and Without Diltiazem Coadministration in Healthy Participants

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07697625
Enrollment
28
Registered
2026-07-13
Start date
2026-07-20
Completion date
2026-09-28
Last updated
2026-08-05

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

Conditions

Healthy

Brief summary

Researchers are looking for new weight loss medicines for people with higher body weight. The trial medicine, MK-4082, is different from similar weight loss medicines because people take it as a pill instead of an injection. Before giving a trial medicine to participants with a health condition, researchers first do trials in healthy participants to find a safe dose level (amount) of the trial medicine. The goal of this study is to learn what happens to MK-4082 in a person's body over time. Researchers will compare what happens to levels of MK-4082 in people's blood when it is taken alone (Part 1, Period 1 and Part 2) and in combination with (Part 1, Period 2) another medicine called diltiazem. Researchers also want to learn about the safety of MK-4082 taken with and without diltiazem and if people tolerate them.

Interventions

Oral administration

DRUGDiltiazem

Oral administration

DRUGRescue medication

All participants will receive ondansetron as a rescue medication. Ondansetron is a medication used to prevent nausea or vomiting.

Sponsors

Merck Sharp & Dohme LLC
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SEQUENTIAL
Primary purpose
BASIC_SCIENCE
Masking
NONE

Masking description

Part 1 of the study is open label with no control. Part 2 of the study is double-blind and placebo-controlled.

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

The main inclusion criteria include but are not limited to the following: * Is in good health * Body mass index (BMI) between 18 and 32 kg/m\^2, inclusive

Exclusion criteria

The main

Design outcomes

Primary

MeasureTime frameDescription
Part 1: Area Under the Concentration-Time Curve From Time 0 to Infinity (AUC0-∞) of MK-4082At designated timepoints (up to approximately 1 week postdose)Blood samples will be collected to determine the AUC0-∞ of MK-4082.
Part 1: Maximum Plasma Concentration (Cmax) of MK-4082At designated timepoints (up to approximately 1 week postdose)Blood samples will be collected to determine the Cmax of MK-4082.
Part 1: Number of Participants Who Experience an Adverse Event (AE)Up to approximately 31 daysAn 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 experience an AE will be reported.
Part 1: Number of Participants Who Discontinue Study Intervention Due to an AEUp to approximately 17 daysAn 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 intervention due to an AE will be reported.

Secondary

MeasureTime frameDescription
Part 2: AUC0-∞ of MK-4082At designated timepoints (up to approximately 1 week postdose)Blood samples will be collected to determine the AUC0-∞ of MK-4082.
Part 2: AUC0-24 of MK-4082At designated timepoints (up to 24 hours postdose)Blood samples will be collected to determine the AUC0-24 of MK-4082.
Part 2: Cmax of MK-4082At designated timepoints (up to approximately 1 week postdose)Blood samples will be collected to determine the Cmax of MK-4082.
Part 2: Time to maximum plasma concentration (Tmax) of MK-4082At designated timepoints (up to approximately 1 week postdose)Blood samples will be collected to determine the Tmax of MK-4082.
Part 2: Plasma concentration 24 hours postdose (C24) of MK-408224 hours postdoseBlood samples will be collected to determine the C24 of MK-4082.
Part 2: Apparent terminal half-life (t½) of MK-4082At designated timepoints (up to approximately 1 week postdose)Blood samples will be collected to determine the t½ of MK-4082.

Countries

United States

Contacts

CONTACTToll Free Number
Trialsites@msd.com1-888-577-8839
STUDY_DIRECTORMedical Director

Merck Sharp & Dohme LLC

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 6, 2026