Apply to trial NCT07595263

A few quick questions so the study team can decide if you might be a fit.

RecruitingPhase 1Drug trial

A Study of Ulonivirine (MK-8507) and Methadone in Healthy Volunteers (MK-8507-019)

This study is designed to determine the effect of ulonivirine (MK-8507) on methadone in the body. Participants will take methadone alone and then methadone with ulonivirine to see if ulonivirine changes how the body processes methadone.

How this works

Answer a few questions
About 5 to 10 minutes. Skip-friendly where possible.
We connect you with the study team
When a site picks up your application, we introduce you to their team directly — with you on the thread.
The team reaches out to schedule screening
Usually within a few business days, via the contact you give.

EmailWe save your progress under this email and copy you when we connect you with the study team.

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A Study of Ulonivirine (MK-8507) and Methadone in Healthy Volunteers (MK-8507-019)

How this works

Answer a few questions

We connect you with the study team

The team reaches out to schedule screening