A Study of the Effect of Itraconazole and Phenytoin on MK-1084 in Healthy Adults (MK-1084-008)

NCT ID: NCT06719557

Last Updated: 2024-12-06

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

28 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-05-20

Study Completion Date

2024-07-30

Brief Summary

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The goal of this study is to learn what happens to MK-1084 in a healthy person's body over time, called a pharmacokinetic (PK) study. Researchers want to compare the amount of MK-1084 when it is taken as a single dose; with multiple doses of itraconazole, or with multiple doses of phenytoin.

Detailed Description

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Conditions

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Healthy

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Part 1: MK-1084 + Itraconazole

Part 1: In Period 1 participants receive a single dose of MK-1084 on Day 1 under fasting conditions. In Period 2 participants receive itraconazole once daily (QD) for 7 consecutive days (Day 1 - Day 7), plus a single dose of MK-1084 administered approximately 2 hours after itraconazole dosing on Day 5. There will be a washout of at least 7 days between dosing in Period 1 and the first dose in Period 2.

Group Type EXPERIMENTAL

MK-1084

Intervention Type DRUG

Oral Tablet

Itraconazole

Intervention Type DRUG

Oral solution

Part 2: MK-1084 + Phenytoin

Part 2: In Period 1 participants receive a single dose of MK-1084 on Day 1 under fasting conditions. In Period 2 participants receive phenytoin three times daily (TID) for 14 consecutive days (Day 1 - Day 14), plus a single dose of MK-1084 co-administered on the morning of Day 13. There will be a washout of at least 7 days between dosing in Period 1 and the first dose in Period 2.

Group Type EXPERIMENTAL

MK-1084

Intervention Type DRUG

Oral Tablet

Phenytoin

Intervention Type DRUG

Oral capsule (extended)

Interventions

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MK-1084

Oral Tablet

Intervention Type DRUG

Itraconazole

Oral solution

Intervention Type DRUG

Phenytoin

Oral capsule (extended)

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

\- Has body mass index (BMI) ≥18 kg/m\^2 and ≤32 kg/m\^2

Exclusion Criteria

* History of cancer (malignancy)
* Positive results for human immunodeficiency virus (HIV), hepatitis B surface antigen (HBsAg), or hepatitis C virus (HCV)

Part 1 Only:

\- History or presence of ventricular dysfunction or risk factors for Torsades de Pointes (e.g., heart failure, cardiomyopathy, family history of Long QT Syndrome)

Pat 2 Only:

\- History of seizure (excluding simple febrile seizure), epilepsy, severe head injury, multiple sclerosis, or other known neurological conditions
Minimum Eligible Age

19 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Merck Sharp & Dohme LLC

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Medical Director

Role: STUDY_DIRECTOR

Merck Sharp & Dohme LLC

Locations

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Celerion (Site 0001)

Lincoln, Nebraska, United States

Site Status

Countries

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United States

Related Links

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https://www.merckclinicaltrials.com/

Merck Clinical Trials Information

Other Identifiers

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MK-1084-008

Identifier Type: OTHER

Identifier Source: secondary_id

CA43207

Identifier Type: OTHER

Identifier Source: secondary_id

1084-008

Identifier Type: -

Identifier Source: org_study_id