Web-based therapy for Bulimia Nervosa - addressing treatment gaps in eating disorders

Bulimia nervosa is a severe mental disorder imposing a substantial burden on the individual and society. Despite requiring specialized treatment, individuals with bulimia nervosa often do not receive evidence-based therapy. The recent findings by Hamatani et al provide support for the effectiveness...

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Bibliographic Details
Main Author: Hartmann, Steffen (Author)
Format: Article (Journal)
Language:English
Published: August 5, 2025
In: JAMA network open
Year: 2025, Volume: 8, Issue: 8, Pages: 1-3
ISSN:2574-3805
DOI:10.1001/jamanetworkopen.2025.25175
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1001/jamanetworkopen.2025.25175
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Author Notes:Steffen Hartmann, MS
Description
Summary:Bulimia nervosa is a severe mental disorder imposing a substantial burden on the individual and society. Despite requiring specialized treatment, individuals with bulimia nervosa often do not receive evidence-based therapy. The recent findings by Hamatani et al provide support for the effectiveness of a therapist-guided, web-based intervention for bulimia nervosa. The study reported moderate to strong reductions in binge eating episodes, compensatory behaviors, and eating disorder psychopathology, with significantly higher remission rates in the intervention group compared with usual care at psychiatric clinics in Japan. However, no substantial treatment effects were observed in general mental health outcomes, including quality of life and comorbid depressive or anxiety symptoms. The 12-week modular web-based program was tailored to Japanese culture and integrated components of classical cognitive behavior therapy for eating disorders as well as elements of mindfulness, meta-cognitive training, anxiety exposure, imagery rescripting, and dietary training. Overall, participants reported moderate to high satisfaction with the intervention and a moderate score for therapeutic alliance.
Item Description:Online veröffentlicht: 5. August 2025
Gesehen am 09.01.2026
Physical Description:Online Resource
ISSN:2574-3805
DOI:10.1001/jamanetworkopen.2025.25175