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Investigating non-inferiority and additional benefits of internet-delivered versus face-to-face cognitive behavioural therapy for insomnia (CBT-I): a randomised controlled trial

Investigating non-inferiority and additional benefits of internet-delivered versus face-to-face cognitive behavioural therapy for insomnia (CBT-I): a randomised controlled trial - iSleep well

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00028153
Enrollment
422
Registered
2023-05-16
Start date
2023-06-12
Completion date
Unknown
Last updated
2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

DSM-5: insomnia disorder F51.0

Interventions

Group 1: Intervention group (internet-delivered CBT-I): Patients receive an internet-delivered CBT-I intervention (online program on a WordPress-based online platform comprising six lessons including

Sponsors

Universitätsklinikum Freiburg, Klinik für Psychiatrie und Psychotherapie
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. insomnia disorder according to DSM-5 2. age = 18 years 3. internet access and possession of a computer 4. residence within 1 hour travel distance of a study centre 5. command of the German language 6. informed written consent

Exclusion criteria

Exclusion criteria: 1. any history of additional sleep disorder 2. severe or unstable medical or psychiatric diseases that that require immediate treatment, that have an impact on outcome variables or that may be negatively influenced by sleep restriction 3. imminent suicide risk 4. pregnancy 5. current psychotherapeutic treatment, or presence on a waiting list for such treatment 6. Participation in another clinical trial up to 30 days prior to the start of and during participation in this trial

Design outcomes

Primary

MeasureTime frame
Insomnia Severity Index (ISI) after intervention (10 weeks after randomization)

Secondary

MeasureTime frame
secondary outcomes ? Insomnia Severity Index (ISI) at 6 months ? Fatigue Severity Scale (FSS) at 10 weeks, at 6 months ? Daylight exposure questionnaire (self-constructed) at 10 weeks, at 6 months ? International Physical Activity Questionnaire (IPAQ) at 10 weeks, at 6 months ? Patient Health Questionnaire 9 (PHQ9) at 10 weeks, at 6 months ? Assessment of Quality of Life (AQoL-6D) at 10 weeks, at 6 months ? slider bar item of the EQ-5D-5L at 10 weeks, at 6 months safety ? Questionnaire of Adverse Events on CBT-I ? Adverse Events (eCRF) ? Negative Effects Questionnaire (NEQ) health economic evaluation ? Treatment Inventory of Costs in Patients with psychiatric disorders (TiC-P) descriptive and exploratory endpoints ? E-Therapy Attitude Measure (ETAM) ? (e)Therapy Attitudes and Process Questionnaire (eTAP/TAP) ? Preference for type of therapy (face-to-face vs. online), ? Patient Acceptance and Convenience Questionnaire ? Adherence Questionnaire ? User Experience Questionnaire (UEQS)

Countries

Germany

Contacts

Public ContactFee Benz

Universitätsklinikum Freiburg, Klinik für Psychiatrie und Psychotherapie

fee.benz@uniklinik-freiburg.de076127069740

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 7, 2026