Clinical Trial

Online COgnitive Behavioural Therapy for Sleep and Mental Health for Older Adults With Insomnia and Subjective Cognitive Complaints

Study acronym: e-COSMOS

Recruiting

Record status

This record was last updated March 18, 2026 (before its estimated May 2026 completion). Its status may not reflect the trial's current state.

Summary

The goal of this randomized controlled clinical trial is to assess a novel cognitive-behavioral program for sleep and mental health using a multidomain web platform (eCBTi+) in participants with insomnia and subjective cognitive complaint. The main questions it aims to answer are: * Whether the eCBTi+ intervention improves sleep (subjective: Insomnia severity index \[ISI\], objective: EEG-based sleep efficiency) sleep and mental health (Geriatric Anxiety Index \[GAI\] and Geriatric Depression Scale \[GDS\]) compared to the control intervention * Whether the eCBTi+ intervention improves cognitive abilities (subjective: Cognitive Failure Questionnaire \[CFQ\], objective: CANTAB executive functions composite score) compared to the control intervention

Protocol Amendment History 5 amendments

This ClinicalTrials.gov record has been amended 5 times since 2023-09-04; most recent amendment 2026-03-16.

Status change: Not Yet Recruiting → Recruiting 2024-02-05

Trial Details

NCT Number	NCT06032377
Lead Sponsor	Centre de Recherche de l'Institut Universitaire de Geriatrie de Montreal
Conditions	Insomnia
Enrollment	275 participants
Start Date	2023-11-15
Primary Completion	2026-05 (estimated)
Study Completion	2026-12 (estimated)
Updated on ClinicalTrials.gov	2026-03-18