← Back to Search

Orexin Antagonist

Suvorexant for Opioid Use Disorder

Phase 2
Recruiting
Led By Mark K Greenwald, PhD
Research Sponsored by Wayne State University
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Males and non-pregnant females who agree to medically accepted birth control for the duration of the study
Age 18-70 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up sleep efficiency is measured on the evening of the first medication dose
Awards & highlights

Study Summary

This trial will study the effects of suvorexant on sleep efficiency and opioid abstinence in 180 participants with opioid use disorder.

Who is the study for?
This trial is for adults aged 18-70 with opioid use disorder who have completed detox. They must not be pregnant and agree to birth control. Excluded are those with chronic illnesses, unstable conditions, certain psychiatric diseases, or using disallowed medications.Check my eligibility
What is being tested?
The study tests if suvorexant improves sleep efficiency and helps patients abstain from opioids in outpatient settings. It also examines if better sleep contributes to staying off opioids. Participants will either receive suvorexant or a placebo.See study design
What are the potential side effects?
While the side effects of suvorexant aren't detailed here, common ones may include drowsiness, headache, dizziness, dry mouth and potential next-day impairment.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
Select...
I agree to use birth control during the study.
Select...
I am between 18 and 70 years old.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~sleep efficiency is measured on the evening of the first medication dose
This trial's timeline: 3 weeks for screening, Varies for treatment, and sleep efficiency is measured on the evening of the first medication dose for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Opioid abstinence
Sleep efficiency
Secondary outcome measures
Actigraphic assessment of sleep
Clinical Global Impression (CGI)
Daily sleep questionnaire
+6 more

Trial Design

2Treatment groups
Experimental Treatment
Placebo Group
Group I: Suvorexant 20mgExperimental Treatment1 Intervention
Suvorexant 20mg tablet
Group II: Suvorexant placeboPlacebo Group1 Intervention
Placebo (inert) tablet
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Suvorexant
FDA approved

Find a Location

Who is running the clinical trial?

Ascension Brighton Center for RecoveryUNKNOWN
Wayne State UniversityLead Sponsor
307 Previous Clinical Trials
108,353 Total Patients Enrolled
Henry Ford Health SystemOTHER
300 Previous Clinical Trials
2,099,879 Total Patients Enrolled

Media Library

Suvorexant (Orexin Antagonist) Clinical Trial Eligibility Overview. Trial Name: NCT04262193 — Phase 2
Opioid Use Disorder Research Study Groups: Suvorexant placebo, Suvorexant 20mg
Opioid Use Disorder Clinical Trial 2023: Suvorexant Highlights & Side Effects. Trial Name: NCT04262193 — Phase 2
Suvorexant (Orexin Antagonist) 2023 Treatment Timeline for Medical Study. Trial Name: NCT04262193 — Phase 2
Opioid Use Disorder Patient Testimony for trial: Trial Name: NCT04262193 — Phase 2

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

Could individuals aged thirty and above be included in this medical experiment?

"This medical study is seeking volunteers aged between 18 and 70."

Answered by AI

Are there any existing studies that utilize Suvorexant as a primary factor?

"Currently, 14 studies are underway examining Suvorexant. 2 of those have reached Phase 3 status. While the main hub for these trials is located in Silver Spring, Maryland there are 71 other sites across the country participating in this research on a drug therapy intervention."

Answered by AI

What effects have been observed from administering Suvorexant to individuals?

"Suvorexant was granted a score of 2 on the safety scale, as it is just entering Phase 2 trials and there has yet to be any supporting evidence for its efficacy."

Answered by AI

Are there any available openings for individuals seeking to participate in this research?

"According to the details published on clinicaltrials.gov, this medical experiment is presently enrolling patients and was first made available on February 1st 2021 with its most recent amendment occurring September 8th 2021."

Answered by AI

What is the desired outcome of this experiment?

"The primary goal of this research endeavour, to be evaluated through Sleep efficiency on the eve of hospital release, is opioid abstinence. Secondary objectives include a Weekly sleep questionnaire that involves retrospective self-report over 4 outpatient weeks; Actigraphic assessment of motion with an Actiwatch and scoring software; lastly, Urinary cortisol levels measured in picogram per milliliter (pg/ml) across 24 hours to calculate circadiance rhythm."

Answered by AI

Does my profile meet the criteria for participation in this research trial?

"This clinical trial, accessible to individuals aged 18-70 who are experiencing difficulty sleeping, is recruiting 210 participants. Eligibility requirements include meeting DSM-5 criteria for opioid use disorder (of any severity), being a male or non-pregnant female using medically accepted birth control methods during the study period, and completing an opioid detox program on days 1 through 4 of their inpatient stay."

Answered by AI

What is the ceiling of participants in this experiment?

"Affirmative. According to clinicaltrials.gov, this medical trial is actively seeking applicants and was first posted on February 1st 2021 with its most recent update made on September 8th 2021. 210 individuals will be recruited from one particular site for the project's duration."

Answered by AI

Who else is applying?

What state do they live in?
California
Pennsylvania
What portion of applicants met pre-screening criteria?
Did not meet criteria
How many prior treatments have patients received?
2

Why did patients apply to this trial?

My sleepless night is terrible. I need help.
PatientReceived 1 prior treatment

How responsive is this trial?

Typically responds via
Phone Call
~36 spots leftby Oct 2025