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The Optimal One-Month Dosing of Lemborexant for Moderate Obstructive Sleep Apnea (OSA) Patients With Low Arousal Threshold (LMOSALAT)

2 luglio 2026 aggiornato da: Chulalongkorn University

One-Month Dosing of Lemborexant for Treatment of Moderate OSA Patients With Low Arousal Threshold, a Randomized, Double-blind, Crossover, Placebo-Controlled Trial

The goal of this clinical trial is to investigate the 1-month treatment effects of different dose of lemborexant in moderate OSA adult patients (18-65 years of age) with low arousal threshold.

The main questions it aims to answer are:

Primary outcome measure: Apnea/hypopnea index (AHI)

Secondary outcome measure:

  1. Polysomnography parameters

    • Mean and nadir oxygen saturation
    • Sleep efficiency
    • Wake after sleep onset (WASO)
    • Sleep latency
    • Rapid eye movement (REM) latency
    • Percentage of time spent in Non-rapid eye movement (NREM) stage 1-3 and REM stage
    • Arousal index
  2. Oxford Sleep Resistance Test (OSLER) test
  3. Epworth Sleepiness Scale (ESS)
  4. Functional Outcome of Sleep Questionnaire-short version (FOSQ-10T)
  5. Pittsburgh Sleep Quality Index (PSQI)

  6. Actigraphy parameters

    • Total sleep time
    • Sleep efficiency
    • Wake after sleep onset (WASO)
    • Sleep latency

  7. Sleep diary parameters (Appendix 5)

    • Total sleep time
    • Sleep efficiency
    • Wake after sleep onset (WASO)
    • Sleep latency
    • Sleep quality

Researchers will compare placebo to see if there is a difference in AHI.

Participants will

  • participate a total of 3 phases of study (3-crossover trial)
  • each phrase the participants will receive either lemborexant 5 mg, lemborexant 10 mg, or placebo orally per day for 30 days with 2-week washout (depend on intervention arm whether the participants receive which intervention sequence)
  • complete three overnight in-laboratory polysomnography (2-week washout) at day 30 of each phrase
  • monitor actigraphy during day 1 to 29 of intervention of all periods
  • record sleep diary during day 1 to 29 of intervention of all periods
  • complete the OSLER test in the morning of the three overnight test
  • complete questionnaires including: Epworth Sleepiness Scale (ESS), Functional Outcome of Sleep Questionnaire-short version (FOSQ-10T), Pittsburgh Sleep Quality Index (PSQI) at baseline (prior to intervention) and the night before overnight in-laboratory polysomnography

Panoramica dello studio

Stato

Non ancora reclutamento

Condizioni

Intervento / Trattamento

Tipo di studio

Interventistico

Iscrizione (Stimato)

36

Fase

  • Fase 2
  • Fase 1

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Backup dei contatti dello studio

Luoghi di studio

  • Tailandia
    • Bangkok
      • Pathum Wan, Bangkok, Tailandia, 10330
        • Chulalongkorn University
        • Contatto:

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Adulto
  • Adulto più anziano

Accetta volontari sani

No

Descrizione

Inclusion criteria

Individuals are eligible for participation in this study if they have all of the followings:

  1. Patient, aged 18 - 65 years at the time of informed consent
  2. Voluntary agreement and capable for giving written informed consent
  3. Diagnosis with OSA according to the criteria of the International Classification of Sleep Disorders, version 3 Text Revision
  4. Baseline screening polysomnography (PSG) demonstrated apnea-hypopnea index 15 - 30 events/h of sleep (moderate severity)
  5. Patients identified as low arousal threshold using previously recommended criteria which allocated a score of 1 to each criterion: apnea-hypopnea index < 30 events per hour, nadir oxygen saturation as measured by pulse oximetry > 82.5%, and fraction of hypopneas > 58.3%. A score of 2 or above defined a low arousal threshold.
  6. Peripheral capillary oxygen saturation (SpO2) ≥ 94% measured during screening visit
  7. Habitually sleeping ≥ 5.5 hours/night with usual bedtime falls within the range of 9:00 PM to 1:00 AM
  8. Body mass index 18 - 40 kg/m2 Exclusion criteria

Individuals were not eligible for participation in this study if they have any of the followings:

  1. Previous allergy or adverse effects with Lemborexant or other sedatives
  2. Pregnant or breastfeeding
  3. Significant medical comorbidities that could affect individual safety and study assessment results, regarding investigators' opinion
  4. Uncontrolled cardiovascular or cerebrovascular diseases
  5. Neuromuscular diseases
  6. Nasal anatomical defect
  7. Significant psychiatric comorbidities that could affect individual safety and study assessment results, regarding investigators' opinion
  8. Active respiratory disorders other than OSA
  9. Central respiratory events (CAHI) >25% of the total AHI
  10. Diagnosis/symptoms of sleep-related disease other than OSA including narcolepsy, restless legs syndrome, periodic limb movement disorder, or circadian rhythm sleep-wake disorder
  11. Severe hypersomnolence (ESS ≥16)
  12. Peripheral capillary oxygen saturation (SpO2) < 80% for ≥ 5% of total sleep time measured during screening visit
  13. Driving-related sleepiness accident or near misses in the past 12 months
  14. Safety-critical occupation
  15. Using CPAP or other dental devices within 2 weeks of screening polysomnography until the end of the study
  16. Unable to tolerate equipment in this study
  17. Taking any medication that affects sleep or other variable measured in this study
  18. Taking any medication with cytochrome P450 Family 3A (CYP3A) inhibitors and all CYP3A inducers
  19. Drug or alcohol use disorder within 2 years before the study initiation or current excessive alcohol intake
  20. Excessive caffeine intake

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione incrociata
  • Mascheramento: Triplicare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Lemborexant 5 mg
Participants will receive two treatment sequences. Participants will complete three overnight sleep studies and cross-over with 2-week wash-out period The participants will receive lemborexant 5 mg per day before sleep for a total of 30 days. On the day 30 participants will receive the lemborexant 5 mg 5 minutes before lights-out at the sleep laboratory for overnight polysomnography. After 2 week wash-out period, the participants will cross to the placebo or lemborexant 10 mg arm with same repeat of another 2 phases.
Droga: Lemborexant 5 MG [Dayvigo] Period 1
Participants will receive lemborexant 5 mg per day for 30 days during first period
Droga: Lemborexant 5 MG [Dayvigo] Period 2
Participant will receive lemborexant 5 mg per day for 30 days during the second period
Droga: Lemborexant 5 MG [Dayvigo] Period 3
Participants will receive lemborexant 5 mg per day for 30 days during third period
Comparatore placebo: Placebo
Participants will receive two treatment sequences. Participants will complete three overnight sleep studies and cross-over with 2-week wash-out period The participants will receive placebo per day before sleep for a total of 30 days. On the day 30 participants will receive the placebo 5 minutes before lights-out at the sleep laboratory for overnight polysomnography. After 2 week wash-out period, the participants will cross to the lemborexant 5 or 10 mg arm with same repeat of another 2 phases.
Droga: Placebo Period 1
Participants will receive placebo 5 mg per day for 30 days during the first period
Droga: Placebo Period 2
Participant will receive placebo 5 mg per day for 30 days during the second period
Droga: Placebo Period 3
Participants will receive placebo per day for 30 days during third period
Sperimentale: Lemborexant 10 mg
Participants will receive two treatment sequences. Participants will complete three overnight sleep studies and cross-over with 2-week wash-out period The participants will receive lemborexant 10 mg per day before sleep for a total of 30 days. On the day 30 participants will receive the lemborexant 10 mg 5 minutes before lights-out at the sleep laboratory for overnight polysomnography. After 2 week wash-out period, the participants will cross to the placebo or lemborexant 5 mg arm with same repeat of another 2 phases.
Droga: Lemborexant 10 MG [Dayvigo] Period 1
Participants will receive lemborexant 10 mg per day for 30 days during first period
Droga: Lemborexant 10 MG [Dayvigo] Period 2
Participants will receive lemborexant 10 mg per day for 30 days during second period
Droga: Lemborexant 10 MG [Dayvigo] Period 3
Participants will receive lemborexant 10 mg per day for 30 days during third period

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Apnea/hypopnea index (AHI)
Lasso di tempo: At day 30 during the overnight in-laboratory of each study period
Apnea/hypopnea index (AHI) measured by polysomnography (scale: events/hour: minimum 0 event/hour - no maximum scoring; higher scores mean worse outcome)
At day 30 during the overnight in-laboratory of each study period

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Mean and nadir oxygen saturation
Lasso di tempo: At day 30 during the overnight in-laboratory of each study period
Mean and nadir oxygen saturation measured by polysomnography (scale: percent: minimum 0% - maximum 100%; higher scores mean better outcome)
At day 30 during the overnight in-laboratory of each study period
Sleep efficiency
Lasso di tempo: At day 30 during the overnight in-laboratory of each study period
Sleep efficiency measured by polysomnography (scale: percent: minimum 0% - maximum 100%; higher scores mean better outcome)
At day 30 during the overnight in-laboratory of each study period
Wake after sleep onset (WASO)
Lasso di tempo: At day 30 during the overnight in-laboratory of each study period
Wake after sleep onset (WASO) measured by polysomnography (scale: minute: minimum 0 minute - no maximum scoring; higher scores mean worse outcome)
At day 30 during the overnight in-laboratory of each study period
Sleep latency
Lasso di tempo: At day 30 during the overnight in-laboratory of each study period
Sleep latency measured by polysomnography (scale: minute: minimum 0 minute - no maximum scoring; higher scores mean worse outcome)
At day 30 during the overnight in-laboratory of each study period
REM latency
Lasso di tempo: At day 30 during the overnight in-laboratory of each study period
REM latency measured by polysomnography (scale: minute: minimum 0 minute - no maximum scoring; higher scores mean worse outcome)
At day 30 during the overnight in-laboratory of each study period
Percentage of time spent in NREM stage 1-3 and REM stage
Lasso di tempo: At day 30 during the overnight in-laboratory of each study period
Percentage of time spent in NREM stage 1-3 and REM stage measured by polysomnography (scale: percent: minimum 0% - maximum 100%; higher scores in NREM stage 3 and REM mean better outcome but higher scores in NREM stage 1 and 2 mean worse outcome)
At day 30 during the overnight in-laboratory of each study period
Arousal index
Lasso di tempo: At day 30 during the overnight in-laboratory of each study period
Arousal index measured by polysomnography (scale: events/hour: minimum 0 event/hour - no maximum scoring; higher scores mean worse outcome)
At day 30 during the overnight in-laboratory of each study period
OSLER error index
Lasso di tempo: On the morning of the in-laboratory polysomnography
Oxford Sleep Resistance Test (OSLER) test (scale: events/hour: minimum 0 event/hour - no maximum scoring; higher scores mean worse outcome)
On the morning of the in-laboratory polysomnography
Epworth Sleepiness Scale (ESS)
Lasso di tempo: Baseline (prior to intervention) and at day 30 of intervention before the overnight in-laboratory of each study period
Epworth Sleepiness Scale (ESS) questionnaires (scale: point: minimum 0 point - maximum 24 point; higher scores mean worse outcome)
Baseline (prior to intervention) and at day 30 of intervention before the overnight in-laboratory of each study period
Functional Outcome of Sleep Questionnaire-short version (FOSQ-10T)
Lasso di tempo: Baseline (prior to intervention) and at day 30 of intervention before the overnight in-laboratory of each study period
Functional Outcome of Sleep Questionnaire-short version (FOSQ-10T) (scale: point: minimum 5 point - maximum 20 point; higher scores mean better outcome)
Baseline (prior to intervention) and at day 30 of intervention before the overnight in-laboratory of each study period
Pittsburgh Sleep Quality Index
Lasso di tempo: Baseline (prior to intervention) and at day 30 of intervention before the overnight in-laboratory of each study period
Pittsburgh Sleep Quality Index (scale: point: minimum 0 point - maximum 21 point; higher scores mean worse outcome)
Baseline (prior to intervention) and at day 30 of intervention before the overnight in-laboratory of each study period
Total sleep time
Lasso di tempo: During day 1-29 of intervention
Total sleep time measured by actigraphy (scale: minute: minimum 0 minute - no maximum scoring; higher scores mean better outcome)
During day 1-29 of intervention
Sleep efficiency
Lasso di tempo: During day 1-29 of intervention
Sleep efficiency measured by actigraphy (scale: percent: minimum 0% - maximum 100%; higher scores mean better outcome)
During day 1-29 of intervention
Wake after sleep onset (WASO)
Lasso di tempo: During day 1-29 of intervention
Wake after sleep onset (WASO) measured by actigraphy (scale: minute: minimum 0 minute - no maximum scoring; higher scores mean worse outcome)
During day 1-29 of intervention
Sleep latency
Lasso di tempo: During day 1-29 of intervention
Sleep latency measured by actigraphy (scale: minute: minimum 0 minute - no maximum scoring; higher scores mean worse outcome)
During day 1-29 of intervention
Total sleep time
Lasso di tempo: During day 1-29 of intervention
Total sleep time recorded by sleep diary (scale: minute: minimum 0 minute - no maximum scoring; higher scores mean better outcome)
During day 1-29 of intervention
Sleep efficiency
Lasso di tempo: During day 1-29 of intervention
Sleep efficiency recorded by sleep diary (scale: percent: minimum 0% - maximum 100%; higher scores mean better outcome)
During day 1-29 of intervention
Wake after sleep onset (WASO)
Lasso di tempo: During day 1-29 of intervention
Wake after sleep onset (WASO) recorded by sleep diary (scale: minute: minimum 0 minute - no maximum scoring; higher scores mean worse outcome)
During day 1-29 of intervention
Sleep latency
Lasso di tempo: During day 1-29 of intervention
Sleep latency recorded by sleep diary (scale: minute: minimum 0 minute - no maximum scoring; higher scores mean worse outcome)
During day 1-29 of intervention
Sleep quality
Lasso di tempo: During day 1-29 of intervention
Sleep quality recorded by sleep diary (5-point Likert scale of 1-5; higher score mean better outcome)
During day 1-29 of intervention

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Chulalongkorn University

Investigatori

  • Investigatore principale: Sarocha Vivatvakin, MD, Department of Medicine, Faculty of Medicine

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Stimato)

1 settembre 2026

Completamento primario (Stimato)

30 giugno 2028

Completamento dello studio (Stimato)

30 giugno 2028

Date di iscrizione allo studio

Primo inviato

26 giugno 2026

Primo inviato che soddisfa i criteri di controllo qualità

2 luglio 2026

Primo Inserito (Effettivo)

6 luglio 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

6 luglio 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

2 luglio 2026

Ultimo verificato

1 giugno 2026

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • 0594/69

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

Sì

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

prodotto fabbricato ed esportato dagli Stati Uniti

Sì

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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