NCT04457440

Brief Summary

The proposed study aims to evaluate if improving sleep could enhance the intensive lifestyle intervention for improving weight loss and glycemic control in prediabetic individuals who have insomnia with short sleep duration. A cognitive behavioral intervention for insomnia with adjustments aimed at increasing sleep duration (CBT-Sleep) will be used for this study.

Trial Health

33
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Trial recruitment is currently suspended
Enrollment
36

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jul 2020

Geographic Reach
1 country

2 active sites

Status
suspended

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 26, 2020

Completed
5 days until next milestone

Study Start

First participant enrolled

July 1, 2020

Completed
6 days until next milestone

First Posted

Study publicly available on registry

July 7, 2020

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2021

Completed
Last Updated

October 25, 2021

Status Verified

October 1, 2021

Enrollment Period

1.5 years

First QC Date

June 26, 2020

Last Update Submit

October 17, 2021

Conditions

Keywords

Cognitive Behavioral TherapyLifestyle Intervention

Outcome Measures

Primary Outcomes (3)

  • Changes in HbA1C (%)

    12 weeks from baseline

  • Changes in fasting glucose concentration (mg/dl)

    12 weeks from baseline

  • Changes in 2-hr oral glucose tolerance (mg/dl)

    12 weeks from baseline

Secondary Outcomes (15)

  • Changes in insomnia symptom severity

    12 weeks from baseline

  • Changes in subjective sleep onset latency

    12 weeks from baseline

  • Changes in subjective wake after sleep onset

    12 weeks from baseline

  • Changes in subjective total sleep time

    12 weeks from baseline

  • Changes in objective sleep onset latency

    12 weeks from baseline

  • +10 more secondary outcomes

Study Arms (2)

Intensive Lifestyle Intervention (ILI)

ACTIVE COMPARATOR

The ILI will consist of 8 group-based 90-min sessions focusing on modifying dietary and exercise habits with the goal of reducing 450kcal of daily calories and increasing physical activity to 150 minutes of exercise per week.

Behavioral: Intensive Lifestyle Intervention

ILI enhanced with cognitive behavioral sleep intervention

EXPERIMENTAL

The ILI+Sleep intervention will consist of the same 8 sessions of ILI with additions of sleep components in each session.

Behavioral: Intensive Lifestyle Intervention enhanced with Cognitive Behavioral Sleep Intervention

Interventions

This intervention is an abbreviated version of the Diabetes Prevention Program, which has been shown to be effective in reducing the risk of developing type 2 diabetes.

Intensive Lifestyle Intervention (ILI)

This intervention will consist of the same 8 sessions of ILI with additions of sleep components in each session. The additional sleep components will include (a) psychoeducation about the importance of sleep in weight control and glycemic control, (b) sleep hygiene, (c) stimulus control, (d) modifying maladaptive beliefs about sleep, (e) and, setting individualized sleep schedule and reviewing sleep schedule.

ILI enhanced with cognitive behavioral sleep intervention

Eligibility Criteria

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

You may qualify if:

  • (a) Hong Kong residents,
  • (b) BMI \> 23kg/m2,
  • (c) aged 18 to 65 year-old,
  • (d) have prediabetes, defined by a plasma fasting glucose concentration of 5.6 to 6.9 mmol/L, impaired glucose tolerance (2hglucose 7.8-11.0 on OGTT), or HbA1c 5.7-6.4%,
  • (e) have average habitual sleep duration \< 6.5 hours, confirmed by actigraphy measure of sleep for 2 weeks or have insomnia, confirmed in a clinical sleep interview and actigraph-measure of greater than 30 minutes of sleep onset latency or nighttime awakening for 3 nights or more per week

You may not qualify if:

  • (a) have unmanaged sleep apnea or other sleep disorders,
  • (b) have any current severe mental illnesses,
  • (c) have any medical conditions or medication use that could undermine the efficacy of the sleep intervention,
  • (d) have shift work schedules,
  • (e) have any environmental constraints on the feasibility of implementing a sleep schedule of at least 7.5 hours

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Queen Mary Hpspital

Hong Kong, Hong Kong

Location

The University of Hong Kong

Hong Kong, Hong Kong

Location

MeSH Terms

Conditions

Prediabetic StateSleep Initiation and Maintenance DisordersSleep Deprivation

Condition Hierarchy (Ancestors)

Diabetes MellitusGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System DiseasesSleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System DiseasesMental DisordersNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Wai Sze Chan, PhD

    The University of Hong Kong

    PRINCIPAL INVESTIGATOR

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
Assistant Professor

Study Record Dates

First Submitted

June 26, 2020

First Posted

July 7, 2020

Study Start

July 1, 2020

Primary Completion

December 30, 2021

Study Completion

December 30, 2021

Last Updated

October 25, 2021

Record last verified: 2021-10

Data Sharing

IPD Sharing
Will share

Deidentified data will be shared with other researchers for review purposes.

Shared Documents
STUDY PROTOCOL, SAP

Locations