Effectiveness study of internet based cognitive behavioral therapy for insomnia: a pilot randomized controlled trial

Effectiveness study of internet based cognitive behavioral therapy for insomnia: a pilot randomized controlled trial - Internet based CBT for insomnia: a pilot randomized controlled trial

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021509

Enrollment

Registered

2016-03-17

Start date

2016-03-27

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Insomnia Disorder

Interventions

Internet cognitive behavioural therapy Usual care

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Primary diagnosis of Insomnia disorder HADS anxiety score < 10 CES-D < 30 Use of sleep medications Insomnia symptoms of the following criteria remain even after pharmacotherapy PSQI > 5.5

Exclusion criteria

Exclusion criteria: psychotic disorders active suicidality organic brain disorders antisocial behaviours other severe mental / physical conditions

Design outcomes

Primary

Measure	Time frame
PSQI(Pittsburgh Sleep Quality Index)	—

Secondary

Measure	Time frame
anxiety score in HADS(Hospital Anxiety and Depression Scale) CES-D(Center for Epidemiologic Studies Depression Scale) EQ-5D(EuroQol-5D)	—

Countries

Japan

Contacts

Public ContactDaisuke Sato

Chiba University Graduate School of Medicine Department of Cognitive Behavioral Physiology

daisuke-sato@umin.ac.jp043-226-2027

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026