Actively Recruiting

Phase 2
Age: 18Years - 65Years
All Genders
NCT06444256

Orexin Receptor Antagonism and Sleep in Stimulant Use Disorder

Led by The University of Texas Health Science Center, Houston · Updated on 2025-09-05

20

Participants Needed

1

Research Sites

131 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The purpose of this study is to determine the effects of suvorexant (SUVO), on sleep, stress, and drug craving during early abstinence from stimulants and to determine the effects of treatment (SUVO vs. treatment as usual (TAU)) on post-treatment (Days 13-30) residential program length of stay (LOS) and completion rate.

CONDITIONS

Official Title

Orexin Receptor Antagonism and Sleep in Stimulant Use Disorder

Who Can Participate

Age: 18Years - 65Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Meet Diagnostic and Statistical Manual of Mental Disorders (DSM-5) criteria for primary stimulant use disorder (either cocaine or methamphetamine)
  • Be fluent in English and able to understand the consent form
  • Be between 18 and 65 years old
Not Eligible

You will not qualify if you...

  • Have an opioid use disorder of any severity
  • Have a greater than moderate substance use disorder on any other substance
  • Undergoing medication-assisted treatment for withdrawal of any substance
  • Have medical conditions contraindicating suvorexant including severe pulmonary or cardiovascular disease, abnormal ECG, severe liver or kidney disease, seizure disorder, or sleep disorders such as narcolepsy
  • Currently taking medications with known interactions with suvorexant such as MAO inhibitors, anticonvulsants, haloperidol, phenothiazines, anesthetics, or sedatives
  • Are pregnant or breastfeeding
  • Women with body mass index greater than 30
  • Have a current DSM-5 psychiatric or neurological disorder requiring ongoing treatment that would make participation unsafe
  • Have a history of seizure disorder
  • Have had a head injury with loss of consciousness in the last 5 years

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

The University of Texas Health Science Center at Houston

Houston, Texas, United States, 77030

Actively Recruiting

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Research Team

H

Heather Webber, PhD

CONTACT

J

Jessica Vincent

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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