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Nurse-led Digital Cognitive Behavioral Therapy for Insomnia (dCBT-I) in University Students With Mild to Moderate Mental Health Problems

23. Juli 2026 aktualisiert von: Shengzhi Zhao, The University of Hong Kong

Nurse-led Digital Cognitive Behavioral Therapy for Insomnia (dCBT-I) in University Students With Mild to Moderate Mental Health Problems: a Pilot Randomized Controlled Trial

This study aims to evaluate the feasibility, acceptability, and potential effectiveness of a nurse-led digital cognitive behavioral therapy for insomnia (dCBT-I) via large language model based-chatbot among university students with mental health problems.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

This is a two-arm, parallel pilot randomized controlled trial recruiting 100 university students in Hong Kong with mild to moderate symptoms of depression or anxiety who also screen positive for insomnia symptoms. All participants will receive brief sleep health advice and a booklet providing behavioral guidance on lifestyle and environmental factors related to sleep and insomnia. Participants in the intervention group will additionally receive 12 weeks of chatbot-delivered insomnia management intervention, including 2 weeks of daily sleep diary monitoring and 10 weeks of nurse-led instant messaging support grounded in cognitive behavioral therapy for insomnia (CBT-I). The primary outcome is self-reported insomnia severity at 6-month follow-up. Secondary outcomes include health-related quality of life, sleep related quality of life, sleep effort, pre-sleep arousal, anxiety and depression assessed at 3 and 6 months. Analyses will be conducted on intention-to-treat basis.

Studientyp

Interventionell

Einschreibung (Geschätzt)

100

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Studieren Sie die Kontaktsicherung

  • Name: Tsz Kiu Chan
  • Telefonnummer: +852 5506 4711
  • E-Mail: natctk1@hku.hk

Studienorte

  • Hongkong
      • Hong Kong, Hongkong
        • School of Public Health, The University of Hong Kong, 18/F, Metro South Tower 1, 39 Wong Chuk Hang Road, Wong Chuk Hang, Hong Kong
        • Kontakt:
        • Hauptermittler:
          • Shengzhi Zhao
        • Kontakt:

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

  • Students aged ≥ 18 years from 22 local higher education institutions (University or Colleges) listed in Education Bureau.
  • Screening score indicating mild to moderate anxiety or depression, defined as a GAD-7 score of 5-14 and/or a PHQ-9 score of 5-14 at baseline.
  • Screened positive for insomnia symptoms using the Sleep Condition Indicator (SCI) and meeting DSM-5 diagnostic criteria for insomnia disorder.
  • Reporting a self-reported sleep efficiency of less than 85% over the past month.
  • Able to communicate in Chinese.

Exclusion Criteria:

  • Participants who self-reported diagnosis of epilepsy, schizophrenia, or bipolar disorder
  • Participants who self-reported current suicidal ideation with intent or a suicide attempt within the past 2 months
  • Participants who self-reported current receipt of psychological or behavioral treatment for insomnia from a health professional
  • Participants who self-reported participation in an online or digital insomnia treatment programme at the time of enrolment.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Versorgungsforschung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Single

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Interventionsgruppe
Verhalten: Brief sleep health advice
At baseline, both groups will receive a 1-on-1 brief sleep health advice developed using guidelines by U.S. Centers for Diseases Control and Prevention and a booklet providing behavioral guidance on lifestyle and environmental factors related to sleep and insomnia.
Verhalten: 2 weeks of chatbot-based daily sleep diary
Following randomization, participants in the intervention group will complete a 2-week chatbot-based daily sleep diary. Each morning (e.g., 8:00 am), participants will be prompted via Whatsapp message delivered by chatbot to report key sleep parameters from the previous night, including bedtime, wake time, sleep onset latency, number and duration of nocturnal awakenings, total sleep time, and perceived sleep quality. The collected sleep diary data will be processed by the chatbot to generate tailored and personalized feedback, supporting individualized sleep recommendations and behavioral adjustments. At the initiation of the intervention, participants will also complete a brief baseline questionnaire to establish personalized treatment goals related to sleep improvement. Throughout the intervention period, participants will have continuous access to chatbot-delivered support, including adaptive guidance based on diary inputs, reinforcement of recommended sleep strategies, and progress
Verhalten: 10 weeks chatbot-based IM support
Participants in the intervention group will also receive cognitive behavioral therapy for insomnia (CBT-I) delivered via an LLM-based chatbot through WhatsApp over a 10-week period. The intervention is fully automated and available 24/7, with underlying algorithms enabling the delivery of information, therapeutic support, and advice in a personalized and adaptive manner, informed by participants' ongoing inputs and interaction patterns. The intervention will be structured into 20 chatbot-delivered instant messaging (2 pieces per week). The therapeutic content is adapted from established CBT-I manuals and led by research nurse, incorporating evidence-based behavioral, cognitive, and educational components. Behavioral strategies include sleep restriction, stimulus control, and relaxation techniques. Cognitive components comprise paradoxical intention, cognitive restructuring, mindfulness-based techniques, positive imagery, and strategies for "putting the day to rest." Educational compone
Aktiver Komparator: Kontrollgruppe
Verhalten: Brief sleep health advice
At baseline, both groups will receive a 1-on-1 brief sleep health advice developed using guidelines by U.S. Centers for Diseases Control and Prevention and a booklet providing behavioral guidance on lifestyle and environmental factors related to sleep and insomnia.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Self-reported insomnia severity
Zeitfenster: 6-month follow-up
Assessed using the Insomnia Severity Index (ISI). The ISI is a 7-item self-report instrument that evaluates both nocturnal and daytime symptoms of insomnia, with total scores ranging from 0 to 28, higher scores indicate greater insomnia severity.
6-month follow-up

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Health-related quality of life
Zeitfenster: 3- and 6-month follow-ups
Assessed using 36-Item Short Form Health Survey [SF-36]. The SF-36 is a 36-item self-reported instrument that measures both Physical Component Scores and Mental Component Scores, with scores ranging from 0 to 100; higher scores indicate better health-related quality of life.
3- and 6-month follow-ups
Sleep-related quality of life
Zeitfenster: 3- and 6-month follow-ups
Assessed using Glasgow Sleep Impact Index [GSII]. The GSII is a 7-item self-report instrument that evaluates the sleep-related quality of life, with total scores ranging from 0 to 28, higher scores indicate lower level of sleep-related quality of life.
3- and 6-month follow-ups
Depressive symptoms
Zeitfenster: 3- and 6-month follow-ups
Assessed using Patient Health Questionnaire-9 [PHQ-9]. The PHQ-9 is a 9-item self-report instrument that evaluates frequency and severity of depressive symptoms, with total scores ranging from 0 to 27, higher scores indicate higher level of depression.
3- and 6-month follow-ups
Anxiety symptoms
Zeitfenster: 3- and 6-month follow-ups
Assessed using Generalized Anxiety Disorder-7 [GAD-7]. The GAD-7 is a 7-item self-report instrument that evaluates the frequency and severity of anxious symptoms, with total scores ranging from 0 to 21, higher scores indicate higher level of anxiety.
3- and 6-month follow-ups
Sleep effort
Zeitfenster: 3- and 6-month follow-ups
Assessed using Glasgow Sleep Effort Scale [GSES]. The GSES is a 7-item self-reported instrument, with scores ranging from 0 to 14, higher scores indicate greater sleep effort.
3- and 6-month follow-ups
Pre-sleep arousal
Zeitfenster: 3- and 6-month follow-ups
Assessed using Pre-Sleep Arousal Scale [PSAS]. The PSAS is a 16-item self-reported instrument consists of two subscales (cognitive arousal and somatic arousal), with scores ranging from 8 to 40 on each subscale, higher scores indicate greater pre-sleep arousal.
3- and 6-month follow-ups

Andere Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Recruitment rate
Zeitfenster: Baseline
Defined as the number of participants divided by the number of eligible university students.
Baseline
Retention rate
Zeitfenster: 3- and 6-month follow-ups
Defined as the number of participants who completed the follow-up divided by the number of participants.
3- and 6-month follow-ups
Engagement rate of the interventions
Zeitfenster: 3- and 6-month follow-ups
Engagement rate will be determined by Instant message (IM) log. At least 2 times response will be considered as engaged.
3- and 6-month follow-ups
Usability for the development of a full-scale trial
Zeitfenster: 3- and 6-month follow-ups
We will use the 10-item System Usability Scale (SUS) to assess perceived effectiveness, efficiency, and satisfaction of the intervention. The score of SUS ranges from 0 to 100 and 68 is the threshold to determine the usability for the development of a full-scale trial.
3- and 6-month follow-ups
Usability of the chatbot
Zeitfenster: 3- and 6-month follow-ups
The usability of the chatbot (Cronbach's alpha: 0.90) is measured by the validated 15-item Bot Usability Scale (BUS).
3- and 6-month follow-ups

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

The University of Hong Kong

Ermittler

  • Hauptermittler: Shengzhi Zhao, The University of Hong Kong

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

1. September 2026

Primärer Abschluss (Geschätzt)

30. September 2027

Studienabschluss (Geschätzt)

31. Oktober 2027

Studienanmeldedaten

Zuerst eingereicht

13. Juli 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

13. Juli 2026

Zuerst gepostet (Tatsächlich)

17. Juli 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

24. Juli 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

23. Juli 2026

Zuletzt verifiziert

1. Juli 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • dCBT-I in University Students

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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