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Heart check for new HIV pill: does MK-8507 change your heartbeat?

NCT ID NCT07305831

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study checked whether a new HIV medicine called MK-8507 (ulonivirine) causes any changes in heart rhythm. 62 healthy adults took either the study drug, a placebo, or a control drug to compare effects. The main goal was to see if the drug safely affects the heart's electrical activity, which is important for future HIV treatment options.

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

62 people

The number who actually took part.

Started

Jan 2026

Finished

Apr 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 before randomization * Has body Mass Index (BMI) between 18 and 32 kg/m2, inclusive Exclusion Criteria: * Has a history of clinically significant endocrine, gastrointestinal (GI), cardiovascular, hematological, hepatic, immunological, renal, respiratory, genitourinary, or major neurological (including stroke and chronic seizures) abnormalities or diseases * Has history of cancer (malignancy) * Has positive test(s) for hepatitis B surface antigen (HBsAg), hepatitis C antibodies or human immunodeficiency virus (HIV)

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Conditions

The condition(s) this trial relates to.

HIV infectious disease

As listed by the trial registrant

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

Healthy HIV infections

Contacts and locations

Locations

  • ICON Early Phase Services (0001)

    San Antonio, Texas, 78209, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.