Effectiveness of internet-delivered computerized cognitive behavioral therapy for patients with insomnia who remain symptomatic following pharmacotherapy: Randomized controlled exploratory trial

Daisuke Sato, Naoki Yoshinaga, Eiichi Nagai, Kazue Nagai, Eiji Shimizu

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

Background: In reality, pharmacotherapy still remains the most common treatment for insomnia. Objective: This study aimed to examine the effectiveness of our internet-delivered computerized cognitive behavioral therapy (ICBT) program as an adjunct to usual care (UC) compared with UC alone in patients with insomnia who remain symptomatic following hypnotics. Methods: We recruited 23 patients with insomnia who remained symptomatic following pharmacologic treatment including benzodiazepines, and we conducted an exploratory randomized controlled trial. The primary outcome was the Pittsburgh Sleep Quality Index (PSQI) at week 6 of the treatment. Secondary outcomes were sleep onset latency, total sleep time, sleep efficiency, number of awakenings, refreshment and soundness of sleep, anxiety by Hospital Anxiety and Depression Scale, depression measured by the Center for Epidemiologic Studies Depression Scale, and quality of life (QOL) measured by the EuroQol-5D. All parameters were measured at weeks 0 (baseline), 6 (postintervention), and 12 (follow-up). Results: The adjusted mean reduction (-6.11) in PSQI at week 6 from baseline in the ICBT plus UC group was significantly (P<.001) larger than the adjusted mean reduction (0.40) in the UC alone group. Significant differences were also found in favor of ICBT plus UC for PSQI, sleep onset latency, sleep efficiency, number of awakenings, and depression at all assessment points. Refreshment, soundness of sleep, anxiety, and QOL improved by week 6 in ICBT plus UC compared with UC alone. There were no reports of adverse events in either group during the study. Conclusions: These results indicated that our 6-week ICBT program is an effective treatment adjunct to UC for improving insomnia and related symptoms even after unsuccessful pharmacotherapy.

Original languageEnglish
Article numbere12686
JournalJournal of Medical Internet Research
Volume21
Issue number4
DOIs
Publication statusPublished - 04-2019
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Health Informatics

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