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Alzheimer's drug MK-1167 gets first human test in healthy volunteers

NCT ID NCT07334860

Knowledge-focused Sponsor: Merck Sharp & Dohme LLC Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This early-stage trial tested two different forms of MK-1167, an experimental drug aimed at treating Alzheimer's symptoms, in 16 healthy adults. Researchers measured how the drug moves through the body and checked for safety. The goal is to find a safe dose before testing it in people with Alzheimer's.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
MK-1167
What this could lead to
If successful, this study could help determine a safe dose of MK-1167 for future trials in people with Alzheimer's disease.
What could go wrong
This is a very early, small study in healthy people, not patients. It only measures how the drug behaves in the body, not whether it works for Alzheimer's. Many drugs fail in later stages.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

16 people

The number who actually took part.

Started

Feb 2026

Finished

May 2026

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Is in good health * Has a body mass index (BMI) ≥18 and ≤ 32 kg/m\^2, inclusive Exclusion Criteria: * Has a history of clinically significant endocrine, gastrointestinal, cardiovascular, hematological, hepatic, immunological, renal, respiratory, genitourinary, or major neurological abnormalities or diseases * Is a smoker and/or has used nicotine or nicotine-containing products within the past 3 months.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Healthy

Contacts and locations

Locations

  • QPS-MRA, LLC ( Site 0001)

    South Miami, Florida, 33143, United States

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