U.S., May 21 -- ClinicalTrials.gov registry received information related to the study (NCT06981195) titled 'Effects of Lemborexant on Insomnia and Its Relationship to Mood and Behavior on Opioid Use Disorder Subjects' on May 12.

Brief Summary: The goal of this clinical trial is to learn about how certain medications used to treat insomnia (e.g., Lemborexant) impact sleep, mood, and behavior in men and women with Opioid Use Disorder who are taking prescribed buprenorphine. The main questions it aims to answer are:

1. What is the effect of the study drug (lemborexant) on sleep outcomes?

2. What is the effect of the study drug (lemborexant) on impulsive behavior (as measured by computer test performance)?

3. What is the effect of the study...