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En undersøgelse af Suvorexant (MK-4305) til behandling af søvnløshed hos deltagere med opioidbrugsforstyrrelse (MK-4305-098)

17. september 2026 opdateret af: Merck Sharp & Dohme LLC

En fase 3, multicenter, randomiseret, dobbeltblind, placebokontrolleret undersøgelse til evaluering af Suvorexants effektivitet og sikkerhed til behandling af søvnløshed hos deltagere med opioidbrugsforstyrrelse

People with opioid use disorder (OUD) can have trouble falling or staying asleep. Researchers want to know if suvorexant will help people with OUD fall asleep and stay asleep. The goal of this study is to learn about the safety of suvorexant and how well people tolerate it. Researchers also want to learn if suvorexant helps people sleep longer compared to people who take placebo. A placebo looks like the study medicine but has no actual study medicine in it.

Studieoversigt

Status

Rekruttering

Betingelser

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

300

Fase

  • Fase 3

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

    • California
      • Garden Grove, California, Forenede Stater, 92845
        • Rekruttering
        • Cenexel CNS ( Site 2012)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 866-787-4257
    • Connecticut
      • New Haven, Connecticut, Forenede Stater, 06520
        • Rekruttering
        • Yale University School of Medicine ( Site 1003)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 203-785-3627
    • Florida
      • Bradenton, Florida, Forenede Stater, 34205
        • Rekruttering
        • Bradenton Research Center ( Site 2021)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 941-708-0005
    • Georgia
      • Savannah, Georgia, Forenede Stater, 31405
        • Rekruttering
        • CenExel iResearch, LLC ( Site 2010)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 912-744-0800
    • Maryland
      • Baltimore, Maryland, Forenede Stater, 21224
        • Rekruttering
        • Johns Hopkins University ( Site 1001)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 443-216-9237
    • New Jersey
      • Marlton, New Jersey, Forenede Stater, 08053
        • Rekruttering
        • Hassman Research Institute Marlton Site ( Site 2005)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 856-261-6420
    • Oklahoma
      • Oklahoma City, Oklahoma, Forenede Stater, 73112
        • Rekruttering
        • The Rivus Wellness & Research Institute ( Site 2014)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 405-607-2233
    • Pennsylvania
      • Philadelphia, Pennsylvania, Forenede Stater, 19104
        • Rekruttering
        • Penn Medicine University of Pennsylvania Health System- Center for Studies of Addiction ( Site 1006)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 215-222-3200
    • Rhode Island
      • Providence, Rhode Island, Forenede Stater, 02906
        • Rekruttering
        • Butler Hospital ( Site 1002)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 401-455-6440
    • South Carolina
      • Charleston, South Carolina, Forenede Stater, 29403
        • Rekruttering
        • Medical University of South Carolina ( Site 1005)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 843-792-4636
    • Texas
      • DeSoto, Texas, Forenede Stater, 75115
        • Rekruttering
        • Adams Clinical Dallas ( Site 2007)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 972-283-6286
      • Houston, Texas, Forenede Stater, 77043
        • Rekruttering
        • Memorial Hermann Village ( Site 2001)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 281-369-5765
    • Virginia
      • Richmond, Virginia, Forenede Stater, 23219
        • Rekruttering
        • VCU Institute for Drug and Alcohol Studies ( Site 1004)
        • Kontakt:
          • Study Coordinator
          • Telefonnummer: 804-827-3784

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 70 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

The main inclusion criteria include but are not limited to the following:

  • Has a primary diagnosis of OUD according to Diagnostic and Statistical Manual of Mental Disorder, 5th Edition (DSM-5), and confirmed through the Mini International Neuropsychiatric Interview (MINI).
  • Is on a verified, stable dose of medications for opioid use disorder (MOUD) treatment.
  • Meets DSM-5 criteria for the diagnosis of Insomnia Disorder
  • Has a regular bedtime between 8 PM (20:00) and 1 AM (01:00) and is willing to maintain it for the duration of the study.
  • Has not used opioids for a period of at least 4 weeks before entering the study.

Exclusion Criteria:

The main exclusion criteria include but are not limited to the following:

  • Has current uncontrolled major co-morbid psychiatric illness including major depressive disorder, bipolar disorder, schizophrenia, or any psychiatric condition with psychotic features.
  • Has current diagnosis or history within 5 years of any of the following: narcolepsy, sleep paralysis, severe periodic limb movement disorder, restless leg syndrome, cataplexy, circadian rhythm sleep disorder, parasomnia including nightmare disorder, sleep terror disorder, sleepwalking disorder, rapid eye movement (REM) behavior disorder, significant degree of sleep-related breathing disorder, excessive daytime sleepiness (EDS), or primary hypersomnia.
  • Is at imminent risk of self-harm.
  • Has a known history of stroke that may confound the diagnosis of insomnia.
  • Has a clinically significant movement disorder such as akinesia.
  • Has a history of hepatitis or live disease.
  • Has habitual use of central nervous system (CNS)-depressants or stimulants that may be responsible for the participant's disturbed sleep.
  • Has a history of malignancy, ≤3 years prior to start of study, with the exception of nonmelanoma skin cancer, prostate cancer or localized carcinoma in situ of the cervix.
  • Has a history of hypersensitivity to more than 3 chemical classes of drugs, including prescription and over-the-counter medications.
  • Has donated blood products or had phlebotomy within 8 weeks prior to start of study.
  • Has a history of transmeridian travel within 2 weeks prior to start of study.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Tredobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Suvorexant

Participants receive 10 mg of suvorexant for the first three nights, increased to 20 mg of suvorexant nightly thereafter at the investigator's discretion, for up to approximately 8 weeks.

Oral Tablet

Andre navne:
  • MK-4305
Placebo komparator: Placebo

Participants receive suvorexant-matching placebo for up to approximately 8 weeks.

Oral Tablet

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change from Baseline in Total Sleep Time at Week 8
Tidsramme: Baseline and Week 8

Total sleep time will be measured in a sleep laboratory by polysomnography at the participant's habitual bedtime. Change from baseline in total sleep time at Week 8 will be reported.

Baseline and Week 8
Number of Participants Who Experience One or More Adverse Events (AEs)
Tidsramme: Up to approximately 10 weeks

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention.

Up to approximately 10 weeks
Number of Participants Who Experience One or More Serious Adverse Events (SAEs)
Tidsramme: Up to approximately 10 weeks

An SAE is any untoward medical occurrence that at any dose results in death, is life threatening, requires or prolongs inpatient hospitalization, results in persistent or significant disability or incapacity, is a congenital anomaly or birth defect or is another important medical event deemed such by medical or scientific judgement.

Up to approximately 10 weeks
Number of Participants Who Discontinue Study Treatment Due to an AE
Tidsramme: Up to approximately 8 weeks

An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention.

Up to approximately 8 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change from Baseline in Wakefulness after Persistent Sleep Onset at Week 8
Tidsramme: Baseline and Week 8

Wakefulness after persistent sleep onset will be measured in a sleep laboratory by polysomnography at the participant's habitual bedtime. Change from baseline in wakefulness after persistent sleep onset at Week 8 will be reported.

Baseline and Week 8
Number of Participants Who are Positive for Substance Abuse at Day 1
Tidsramme: Day 1

A positive assessment for substance abuse at Day 1 is defined as either a positive urine drug test for opioids and other nonmedical substances including fentanyl, cocaine, amphetamines, benzodiazepines, and cannabis OR a positive response on the Substance Use History (SUH) Since Last Assessment questionnaire. The Substance Use History Questionnaire (SUH) has been developed specifically for this study. This is a self-reported questionnaire used to obtain a variety of quantitative estimates of cannabis, alcohol, and other nonmedical substance use. The SUH Since Last Assessment Questionnaire will be used to assess nonmedical substance and alcohol use since the previous study visit.

Day 1
Number of Participants Who are Positive for Substance Abuse at Day 4
Tidsramme: Day 4

A positive assessment for substance abuse at Day 4 is defined as either a positive urine drug test for opioids and other nonmedical substances including fentanyl, cocaine, amphetamines, benzodiazepines, and cannabis OR a positive response on the Substance Use History (SUH) Since Last Assessment questionnaire. The Substance Use History Questionnaire (SUH) has been developed specifically for this study. This is a self-reported questionnaire used to obtain a variety of quantitative estimates of cannabis, alcohol, and other nonmedical substance use. The SUH Since Last Assessment Questionnaire will be used to assess nonmedical substance and alcohol use since the previous study visit.

Day 4
Number of Participants Who are Positive for Substance Abuse at Week 2
Tidsramme: Week 2

A positive assessment for substance abuse at Week 2 is defined as either a positive urine drug test for opioids and other nonmedical substances including fentanyl, cocaine, amphetamines, benzodiazepines, and cannabis OR a positive response on the Substance Use History (SUH) Since Last Assessment questionnaire. The Substance Use History Questionnaire (SUH) has been developed specifically for this study. This is a self-reported questionnaire used to obtain a variety of quantitative estimates of cannabis, alcohol, and other nonmedical substance use. The SUH Since Last Assessment Questionnaire will be used to assess nonmedical substance and alcohol use since the previous study visit.

Week 2
Number of Participants Who are Positive for Substance Abuse at Week 4
Tidsramme: Week 4

A positive assessment for substance abuse at Week 4 is defined as either a positive urine drug test for opioids and other nonmedical substances including fentanyl, cocaine, amphetamines, benzodiazepines, and cannabis OR a positive response on the Substance Use History (SUH) Since Last Assessment questionnaire. The Substance Use History Questionnaire (SUH) has been developed specifically for this study. This is a self-reported questionnaire used to obtain a variety of quantitative estimates of cannabis, alcohol, and other nonmedical substance use. The SUH Since Last Assessment Questionnaire will be used to assess nonmedical substance and alcohol use since the previous study visit.

Week 4
Number of Participants Who are Positive for Substance Abuse at Week 8
Tidsramme: Week 8

A positive assessment for substance abuse at Week 8 is defined as either a positive urine drug test for opioids and other nonmedical substances including fentanyl, cocaine, amphetamines, benzodiazepines, and cannabis OR a positive response on the Substance Use History (SUH) Since Last Assessment questionnaire. The Substance Use History Questionnaire (SUH) has been developed specifically for this study. This is a self-reported questionnaire used to obtain a variety of quantitative estimates of cannabis, alcohol, and other nonmedical substance use. The SUH Since Last Assessment Questionnaire will be used to assess nonmedical substance and alcohol use since the previous study visit.

Week 8
Number of Participants with Positive Urine Drug Screen
Tidsramme: Day 1, Day 4, Week 2, Week 4, Week 8

A positive urine drug screen is defined as urine drug test positive for opioids and other nonmedical substances including fentanyl, cocaine, amphetamines, benzodiazepines, and cannabis

Day 1, Day 4, Week 2, Week 4, Week 8

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Efterforskere

  • Studieleder: Medical Director, Merck Sharp & Dohme LLC

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

9. oktober 2025

Primær færdiggørelse (Anslået)

24. juni 2027

Studieafslutning (Anslået)

24. juni 2027

Datoer for studieregistrering

Først indsendt

22. oktober 2024

Først indsendt, der opfyldte QC-kriterier

22. oktober 2024

Først opslået (Faktiske)

24. oktober 2024

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

21. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

17. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 4305-098
  • MK-4305-098 (Anden identifikator: MSD)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

JA

IPD-planbeskrivelse

https://trialstransparency.msdclinicaltrials.com/pdf/ProcedureAccessClinicalTrialData.pdf

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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