NCT05630261

Brief Summary

This randomized control trial (RCT) aims at comparing the efficacy of self-help cognitive behavioural therapy for insomnia (CBT-I) and self-help cognitive behavioural therapy for depression (CBT-D) on comorbid depression and insomnia. It addresses the research gap of treating comorbid depression and insomnia with a transdiagnostic approach (i.e., CBT-I) rather than a disorder-specific approach (i.e., CBT-D). Insomnia is a transdiagnostic process that is common to many psychiatric disorders. It is not only a symptom for depression, but also a factor that contributes to the onset and maintenance of depression. There were limited studies comparing the efficacy of self-help CBT-I to self-help CBT-D among adults with comorbid insomnia and depression (e.g., Blom, 2015). Hence, this study will serve as one of the pioneering attempts to elucidate the role of self-help transdiagnostic insomnia therapy in reducing depressive symptoms. Prior to all study procedures, eligible participants will be required to complete an online informed consent. Around 100 eligible participants aged between 18 and 65 with a Patient Health Questionnaire-9 score ≥ 10 indicating at least moderate level of depressive symptoms and Insomnia Severity Index (ISI) score ≥ 10 indicating clinical level of insomnia symptoms will be randomly assigned to either Internet-based CBT-I (n = 50) or Internet-based CBT-D (n = 50) in a ratio of 1:1. Eligible participants in the CBT-I group will receive the intervention "iSleepWell" via the a digital mental health platform Next Stop, Wellness! for 6 consecutive weeks, whilst the CBT-D group will receive the intervention 'LIFE FLeX' via the same platform for 6 consecutive weeks. The outcomes of interest include depressive, anxiety, and insomnia symptoms, functional impairment, quality of life, intervention credibility and acceptability at baseline (Week 0), immediate post-treatment (Week 7), and 12 weeks follow-up (Week 19) assessments.

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
100

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Dec 2022

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 20, 2022

Completed
9 days until next milestone

First Posted

Study publicly available on registry

November 29, 2022

Completed
2 days until next milestone

Study Start

First participant enrolled

December 1, 2022

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2023

Completed
Last Updated

November 29, 2022

Status Verified

November 1, 2022

Enrollment Period

1 year

First QC Date

November 20, 2022

Last Update Submit

November 20, 2022

Conditions

Keywords

InsomniaDepressionCognitive behavioral therapyTransdiagnosticRandomized controlled trial

Outcome Measures

Primary Outcomes (2)

  • Change in Patient Health Questionnaire

    The PHQ-9 is a 9-item questionnaire used for screening, diagnosing, monitoring, and measuring the severity of depression, which scores each of the nine DSM-IV criteria from "0" (not at all) to "3" (nearly every day).

    Baseline (Week 0), Immediate post-treatment (Week 7), and 12 weeks follow-up (Week 19) assessments

  • Change in Insomnia Severity Index

    ISI is a 7-item scale designed to evaluate perceived insomnia severity. Ratings on the 5-point Likert scale are obtained on the perceived severity of sleep-onset, sleep-maintenance, early morning awakening problems, satisfaction with current sleep pattern, interference with daily functioning, noticeably of impairment attributed to the sleep problem, and level of distress caused by the sleep problem.

    Baseline (Week 0), Immediate post-treatment (Week 7), and 12 weeks follow-up (Week 19) assessments

Secondary Outcomes (8)

  • Change in Hospital Anxiety and Depression Scale

    Baseline (Week 0), Immediate post-treatment (Week 7), and 12 weeks follow-up (Week 19) assessments

  • Change in The Pittsburgh Sleep Quality Index

    Baseline (Week 0), Immediate post-treatment (Week 7), and 12 weeks follow-up (Week 19) assessments

  • Change in Sheehan Disability Scale

    Baseline (Week 0), Immediate post-treatment (Week 7), and 12 weeks follow-up (Week 19) assessments

  • Change in Multidimensional Fatigue Inventory

    Baseline (Week 0), Immediate post-treatment (Week 7), and 12 weeks follow-up (Week 19) assessments

  • Change in Short Form (Six-Dimension) Health Survey

    Baseline (Week 0), Immediate post-treatment (Week 7), and 12 weeks follow-up (Week 19) assessments

  • +3 more secondary outcomes

Study Arms (2)

Self-help CBT-I

EXPERIMENTAL

Participants assigned to the CBT-I group will receive the self-help CBT-I intervention for six weeks (i.e., participants will access the intervention every day, for 42 days).

Behavioral: Self-help CBT-I

Self-help CBT-D

ACTIVE COMPARATOR

Participants assigned to the CBT-D group will receive the self-help CBT-D intervention for six weeks (i.e., participants will access the intervention every day, for 42 days).

Behavioral: Self-help CBT-D

Interventions

Self-help CBT-IBEHAVIORAL

The intervention will cover the following topics: (a) physiological linkage between the brain and stress, (b) sleep hygiene, (c) stimulus control, (d) sleep restriction, (e) cognitive restructuring, and (f) positive psychology. Each weekly session will be divided into 6-8 chapters. Chapters are supported by short videos and interactive games. Homework activities will be assigned after each session.

Self-help CBT-I
Self-help CBT-DBEHAVIORAL

The intervention will cover the following topics: (a) physiological linkage between the brain and stress, (b) emotion management, (c) cognitive restructuring, (d) behavioral activation, and (e) positive psychology. Each weekly session will be divided into 6-8 chapters. Some chapters are supported by short videos and e-worksheets. Homework activities will be assigned after each session, which include weekly record of emotions or between-session practice.

Self-help CBT-D

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Hong Kong residents aged between 18 and 65;
  • Able to read and type in Chinese;
  • Have a Patient Health Questionnaire-9 (PHQ-9) score ≥ 10 indicating at least moderate level of depressive symptoms;
  • Have an Insomnia Severity Index (ISI) score ≥ 10 indicating clinical level of insomnia symptoms;
  • Have an Internet-enabled mobile device (iOS or Android operating system); and
  • Willing to provide informed consent and comply with trial protocol

You may not qualify if:

  • Received psychotherapy for depression and/or insomnia in the past 6 months;
  • A Patient Health Questionnaire-9 (PHQ-9) item 9 score \> 2, indicating a serious level of suicidal risk (referral information to professional mental health services will be provided);
  • Any medical or neurocognitive disorder(s) that makes participation unsuitable or interferes with adherence to the proposed interventions;
  • Other untreated sleep disorders, including narcolepsy, obstructive sleep apnoea (OSA), and restless leg syndrome (RLS) / periodic leg movement disorder (PLMD) based on the SLEEP-50;
  • A change in psychotropic drugs or over-the-counter medications that target depression and/or insomnia within 2 weeks before the baseline assessment;
  • Shift work, pregnancy, or other commitments that interfere with regular sleep-wake patterns; and
  • Hospitalisation

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • Blom K, Jernelov S, Kraepelien M, Bergdahl MO, Jungmarker K, Ankartjarn L, Lindefors N, Kaldo V. Internet treatment addressing either insomnia or depression, for patients with both diagnoses: a randomized trial. Sleep. 2015 Feb 1;38(2):267-77. doi: 10.5665/sleep.4412.

    PMID: 25337948BACKGROUND

MeSH Terms

Conditions

Sleep Initiation and Maintenance DisordersDepression

Condition Hierarchy (Ancestors)

Sleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System DiseasesMental DisordersBehavioral SymptomsBehavior

Study Officials

  • Fiona YY Ho, Ph.D

    Chinese University of Hong Kong

    STUDY CHAIR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Ph.D

Study Record Dates

First Submitted

November 20, 2022

First Posted

November 29, 2022

Study Start

December 1, 2022

Primary Completion

December 1, 2023

Study Completion

December 1, 2023

Last Updated

November 29, 2022

Record last verified: 2022-11

Data Sharing

IPD Sharing
Will not share