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Opioid-use DisorderPhase 2NCT04262193

Dual-Orexin Antagonism As a Mechanism for Improving Sleep and Drug Abstinence in Opioid Use Disorder

A Phase 2 study testing Suvorexant in people with Opioid-use Disorder and Sleep, run by Wayne State University at 1 site in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

Summary of Study Protocol. This project is designed to test neurobehavioral mechanisms underlying effects of the dual orexin-1/2 receptor antagonist suvorexant on sleep efficiency and opioid abstinence, and whether these outcomes are independent of one another. Read more about this study

Who is it for?
Ages 18 to 70 years
Conditions the study is for
Opioid-use Disorder, Sleep
What is being tested?
Suvorexant
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
37 participants
Where
1 siteUnited States
Study dates
1 Feb 2021to 30 Jul 2024
Phase
Phase 2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age 18-70 years old
  • Males and non-pregnant females who agree to medically accepted birth control for the duration of the study
  • Meet DSM-5 criteria for opioid use disorder (any severity level) alone or comorbid with stable medical diseases (except for certain medications [see below])

Who cannot join

  • Body mass index >38
  • Acute/unstable illness: conditions making it unsafe for participation, conditions with potential to disturb sleep (i.e. acute pain, respiratory infection)
  • Chronic illnesses; renal failure, liver disease, seizures, and dementing illnesses
  • Current psychiatric disease: psychosis, bipolar disorder, PTSD
  • Smoking during the night (11pm-7am). Nicotine replacement therapy is allowed
  • Medications including anxiolytics, hypnotics (both prescription and OTC), sedating antidepressants, anticonvulsants, sedating H1 antihistamines (non-sedating second generation H4 antihistamines are allowed), systemic steroids, respiratory stimulants and decongestants, prescription and OTC stimulants, prescription and OTC diet aids, herbal preparations, and narcotic analgesics. All medications and doses will be documented
  • Sleep-disordered breathing and periodic leg movements (PLMs) defined as ≥ 10 apnea-hypopneas or PLM events related to EEG arousal per hour of sleep time, or any other primary sleep (e.g. narcolepsy, restless legs syndrome) or circadian disorder
  • Night-shift work, which would alter circadian rhythm and be a confound in this trial.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Wayne State University

    Detroit, Michigan, 48202

Other trials in United States

About this study

Summary of Study Protocol. This project is designed to test neurobehavioral mechanisms underlying effects of the dual orexin-1/2 receptor antagonist suvorexant on sleep efficiency and opioid abstinence, and whether these outcomes are independent of one another. This will be the first study to investigate whether suvorexant improves outpatient opioid abstinence and sleep efficiency; and whether improving sleep mediates the improved opioid abstinence outcome. 120 participants with opioid use disorder (OUD) will complete this intent-to-treat study.

Read the detailed description

Study Design. Using a placebo-controlled, parallel-group, randomized clinical trial design, we will prospectively evaluate whether nightly treatment with the orexin-1/2 receptor antagonist suvorexant (20 mg/day PO), relative to placebo, can increase outpatient opioid abstinence and improve sleep efficiency (sleep time per time-in-bed) as a mediator/moderator among patients with OUD. We include current medication for treating OUD, as well as treatment site, as stratification factors in the group allocation. Using power and sample size calculations, we estimate that 120 participants will suffice to test our hypotheses.

The study aims to test three co-primary hypotheses:

Hypothesis 1: Relative to placebo, suvorexant (20 mg/day) will significantly increase percentage opioid abstinence during outpatient weeks 1-13.

Hypothesis 2: Relative to placebo, suvorexant will improve sleep efficiency.

Hypothesis 3: Higher inpatient sleep efficiency will be associated with increased outpatient opioid abstinence (independent of experimental group assignment).

Being tested
Suvorexant, Suvorexant Placebo
Medical subject headings
Opioid-Related Disorders

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • SuvorexantDrug

    Also called Belsomra

    In each group, the participant will take 1 tablet (placebo or 20mg) 30 minutes before bedtime.

  • Suvorexant PlaceboDrug

    Suvorexant Placebo

Study groups in NCT04262193
Study groupRoleWhat they receive
Suvorexant placeboPlacebo comparatorPlacebo (inert) tablet
Receives: Drug: Suvorexant Placebo
Suvorexant 20mgExperimentalSuvorexant 20mg tablet
Receives: Drug: Suvorexant

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Opioid abstinence

    Percentage of opioid-free urine drug screens (UDS)

    Measured: up to 13 weeks

  2. Sleep efficiency

    Sleep efficiency equals sleep time (determined by standardized scoring of electroencephalogram recordings) divided by time in bed

    Measured: Sleep efficiency is measured on the evening of the first medication dose

Secondary outcomes (9)
  1. Daily sleep questionnaire

    Morning (post-awakening) assessment of sleep quality

    Measured: Change in sleep quality scores from inpatient stay to outpatient weeks 2, 6 and 10

  2. Actigraphic assessment of sleep

    Actigraphic assessment of motion (activity counts), measured with Actiwatch and scoring software; motion is absent during sleep.

    Measured: Change in total activity counts across outpatient weeks 2, 6 and 10

  3. Weekly sleep questionnaire

    Retrospective (past-week) self-report of sleep quality on each of 4 outpatient weeks

    Measured: Change in sleep quality scores across outpatient weeks 1, 4, 8 and 12

  4. Timeline followback interview assessment of substance use

    Percentage of outpatient weeks with substance use (opioids, methadone, buprenorphine, cocaine metabolites, benzodiazepines, barbiturates, cannabinoids, amphetamines)

    Measured: Once weekly (in conjunction with urine drug screen) on outpatient weeks 1 through 13

  5. Urinary cortisol

    Change in cortisol levels in picogram per milliliter (pg/ml) across 24 hour interval used to measure circadian rhythm

    Measured: Measured at 11pm on nights 4, 6, 8 (coordinated with sleep efficiency and melatonin assessments) and the following day (7am and 3pm on days 5, 7, 9) on the inpatient unit

  6. Urinary melatonin

    Change in melatonin levels in picograms per milliliter (pg/ml) across 24 hour interval used to measure circadian rhythm

    Measured: Measured at 11pm on nights 4, 6, 8 (coordinated with sleep efficiency and cortisol assessments) and the following day (7am and 3pm on days 5, 7, 9) on the inpatient unit

  7. Clinical Global Impression (CGI)

    CGI subscale scores for improvement and severity. Each subscale is scored on a 1-7 scale. Higher scores indicate worse (more severe) outcomes.

    Measured: Change in CGI subscale scores across outpatient weeks 4, 8, and 12

  8. Short Form-36 v2 Health Survey

    Overall health assessment. The 36 items are grouped into 8 dimensions: physical functioning, physical and emotional limitations, social functioning, bodily pain, general and mental health. Each scale is directly transformed into a 0-100 scale. Lower scores on each scale indicate greater disability.

    Measured: Change in overall health total score across outpatient weeks 4, 8, and 12

  9. Medication satisfaction

    Assessment of satisfaction with assigned medication condition, on 1-7 Likert scale. Higher scores indicate greater medication satisfaction.

    Measured: Change in medication satisfaction score across outpatient weeks 4, 8, and 12

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted10 Feb 2020
  2. Study start1 Feb 2021
  3. Primary completion30 Jul 2024
  4. Study completion30 Jul 2024

Why it stopped: Did not meet enrollment goals.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Basic science
Allocation
Randomised
Intervention model
Parallel groups
Model description
Participants will be randomly assigned to one of the 2 parallel groups for the duration of the study.
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
37 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04262193
Sponsor's protocol ID
DORA, Sleep and Opioid Use
Status last verified
Sep 2024
First submitted
6 Feb 2020
Last updated
25 Sep 2024
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: This plan is under development. This project was funded under the NIH HEAL Initiative, which requires data sharing through a repository; IPD details are being determined.

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Suvorexant in people with Opioid-use Disorder and Sleep, run by Wayne State University at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 25 Sep 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study was stopped early (reason given: Did not meet enrollment goals.). Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Opioid abstinence (time frame: up to 13 weeks). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 25 Sep 2024.

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