A Study of Rifabutin and MK-4646 in Healthy Participants (MK-4646-004)

Completed · Phase 1

Conditions studied: Healthy

In brief

Researchers have designed a new study medicine called MK-4646 as a new way to treat human immunodeficiency virus (HIV). Rifabutin is a medication used to treat tuberculosis (TB). Researchers want to learn about MK-4646 when taken at the same time as Rifabutin. They want to: Measure a person's blood to find out if the amount of MK-4646 in the blood is the same when MK-4646 is taken alone or with Rifabutin Learn about the safety of MK-4646 when taken alone or with Rifabutin and if people tolerate it

Key facts

Study ID
NCT07199452
Run by
Merck Sharp & Dohme LLC
People needed
18
Starts
2025-10-28
Expected to finish
2026-01-07
Last updated by the study team
2026-01-29

Who can join

Age: 18 and older, up to 55. Sex: any. Healthy volunteers: accepted.

Where it is running

Full record on ClinicalTrials.gov

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