NCT04898855

Brief Summary

The main purpose of this study is to determine the treatment effects and acceptability of an internet-based cognitive-behavioral therapy intervention to improve the sleep of Portuguese cancer survivors with insomnia.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
154

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Aug 2023

Geographic Reach
1 country

1 active site

Status
completed

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

May 12, 2021

Completed
12 days until next milestone

First Posted

Study publicly available on registry

May 24, 2021

Completed
2.2 years until next milestone

Study Start

First participant enrolled

August 19, 2023

Completed
12 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 31, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 31, 2024

Completed
Last Updated

October 9, 2024

Status Verified

September 1, 2024

Enrollment Period

12 months

First QC Date

May 12, 2021

Last Update Submit

October 5, 2024

Conditions

Keywords

insomniacancerCBTIdigital CBT-Iinternet interventioncancer survivors

Outcome Measures

Primary Outcomes (1)

  • Insomnia severity

    Insomnia Severity Index: validated questionnaire among cancer survivors; a 7-item scale with total scores between 0 and 28 where higher scores indicate greater severity

    Changes from baseline to post-intervention (8 weeks after randomization)

Secondary Outcomes (9)

  • Anxiety

    Changes from baseline to post-intervention (8 weeks after randomization)

  • Depression

    Changes from baseline to post-intervention (8 weeks after randomization)

  • Health-related quality of life

    Changes from baseline to post-intervention (8 weeks after randomization)

  • Cancer-related fatigue

    Changes from baseline to post-intervention (8 weeks after randomization)

  • Sleep efficiency

    Changes from baseline to post-intervention (8 weeks after randomization)

  • +4 more secondary outcomes

Other Outcomes (4)

  • Insomnia Disorder remission (score<8) and response (change ≥8) on the ISI

    Post-intervention (8 weeks after randomization)

  • Acceptability

    Post-intervention (8 weeks after randomization)

  • Adherence

    Post-intervention (8 weeks after randomization)

  • +1 more other outcomes

Study Arms (2)

OncoSleep intervention (internet-delivered cognitive-behavioral treatment for insomnia)

EXPERIMENTAL

Participants assigned to the experimental group receive immediate access to the OncoSleep program, a web-based self-guided cognitive-behavioral intervention for insomnia consisting of 6 weekly sessions. A certified psychologist will monitor the participant's progress and provide feedback.

Behavioral: Cognitive Behavioral Therapy for Insomnia

waitlist control

NO INTERVENTION

Participants assigned to the waitlist control group receive access to the OncoSleep program after 8 weeks.

Interventions

Treatment includes sleep hygiene, sleep restriction, stimulus control, and cognitive therapy.

Also known as: OncoSleep
OncoSleep intervention (internet-delivered cognitive-behavioral treatment for insomnia)

Eligibility Criteria

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

You may qualify if:

  • Age 18+ years
  • Provided informed consent
  • Ability to read and write in Portuguese
  • Ability to use a computer and/or smartphone, and the internet
  • History of cancer
  • Having completed primary cancer treatment (survivors who are on hormone and/or other long-term maintenance therapy agencies are eligible to participate)
  • Subclinical or significant symptoms of insomnia (ISI scores\>=8)
  • Ongoing sleep medication accepted if the dosage has been stable during the last 4 weeks

You may not qualify if:

  • Age ≤ 18 years
  • Another unstable condition (e.g., sleep, psychiatric or medical condition)
  • Pregnancy or breastfeeding
  • Concurrent CBT-I
  • Habitual night shift, or rotating shift-workers

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Center for Research in Neuropsychology and Cognitive and Behavioral Intervention (CINEICC)

Coimbra, Portugal

Location

Related Publications (2)

  • Cai Z, Tang Y, Liu C, Li H, Zhao G, Zhao Z, Zhang B. Cognitive behavioural therapy for insomnia in people with cancer. Cochrane Database Syst Rev. 2025 Oct 31;10(10):CD015176. doi: 10.1002/14651858.CD015176.pub2.

  • Clara MI, van Straten A, Savard J, Canavarro MC, Allen Gomes A. Web-based cognitive-behavioral therapy for insomnia in cancer survivors: The OncoSleep randomized trial. Sleep Med. 2025 May;129:67-74. doi: 10.1016/j.sleep.2025.02.021. Epub 2025 Feb 18.

Related Links

MeSH Terms

Conditions

Sleep Initiation and Maintenance DisordersNeoplasms

Interventions

Cognitive Behavioral Therapy

Condition Hierarchy (Ancestors)

Sleep Disorders, IntrinsicDyssomniasSleep Wake DisordersNervous System DiseasesMental Disorders

Intervention Hierarchy (Ancestors)

Behavior TherapyPsychotherapyBehavioral Disciplines and Activities

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
PhD candidate

Study Record Dates

First Submitted

May 12, 2021

First Posted

May 24, 2021

Study Start

August 19, 2023

Primary Completion

July 31, 2024

Study Completion

July 31, 2024

Last Updated

October 9, 2024

Record last verified: 2024-09

Data Sharing

IPD Sharing
Will not share

Locations