Suvorexant as an Adjunct to Buprenorphine in Persons Who Use Fentanyl

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-65
SponsorJohns Hopkins University

About this trial

This is a 4-week, randomized-controlled trial of suvorexant vs placebo in persons with opioid use disorder who have recent fentanyl exposure. Participants will first undergo a 5-day residential phase wherein participants are stabilized on sublingual buprenorphine/naloxone, followed by a 3-week outpatient phase wherein participants are maintained on sublingual buprenorphine/naloxone and transitioned to extended-release buprenorphine).

Eligibility criteria

Qualifiers

Aged 18-65

Meets DSM-5 criteria for opioid use disorder (OUD) with evidence of physical dependence on opioids

Provides a urine sample that tests positive for fentanyl and/or fentanyl analogues

Interest in being maintained on buprenorphine for OUD

Disqualifiers

Medically contraindicated for buprenorphine, extended-release (XR)-buprenorphine (Sublocade), or suvorexant (as per medication labels)

Pregnant or breast feeding

Severe Diagnostic and Statistical Manual (DSM)-5 alcohol or benzodiazepine use disorder or evidence of alcohol/benzodiazepine physical dependence

Have a known allergy to the study medications

Trial design

Treatments tested in this trial

  • Suvorexant
  • Placebo

Treatment groups

120 Participants
are divided into 2 treatment groups

Sponsors and collaborators

Johns Hopkins University

Lead sponsor

National Institute on Drug Abuse (NIDA)

Collaborator