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BMC Psychiatry
Published in: BMC Psychiatry 1/2020

01-12-2020 | Eating Disorder | Study protocol

Online cognitive behavioral therapy enhanced for binge eating disorder: study protocol for a randomized controlled trial

Authors: Elske van den Berg, Bernou Melisse, Jitske Koenders, Margo de Jonge, Matthijs Blankers, Edwin de Beurs, Jack Dekker

Published in: BMC Psychiatry | Issue 1/2020

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Abstract

Background

Binge eating disorder is characterized by recurrent episodes of binge eating accompanied by a sense of lack of control. Of the different treatments available, Cognitive Behavioral Therapy-Enhanced and guided self-help treatment are recommended. As online treatment offers several additional advantages, we have developed a CBT-Enhanced online guided self-help intervention. The aim of this study is to determine whether this intervention reduces eating disorder pathology and increases the amount of binge free days in adults classified with binge eating disorder or other specified feeding or eating disorder- binge eating disorder, compared to an untreated waiting list condition. The experimental condition is hypothesized to be superior to the waiting list condition.

Methods

The efficacy of an online guided self-help intervention for binge eating disorder will be assessed by conducting a randomized controlled trial. The trial will target adult individuals classified with binge eating disorder or other specified feeding or eating disorder- binge eating disorder with a body mass index between 19.5 and 40, referred to an eating disorder treatment center. Dual arm allotment will be performed in a 1:1 ratio stratified for BMI above or below 30. Randomization will be blinded to the online intervention (n = 90), or to the control waiting list condition (n = 90). Assessors will be blinded and assessments will be administered at baseline, week 5, at end-of-treatment, and at 12 and 24 weeks follow-up. Primary outcome will be eating disorder pathology, operationalized as number of days on which binge eating occurred between the two conditions during the period of the intervention. Secondary outcome measures will be differences in other eating disorder pathology, clinical impairment and in quality of life, while therapeutic alliance, demographic characteristics and followed treatment module will serve as effect moderators. Several types of costs will be assessed.

Discussion

This paper presents an online guided self-help Cognitive Behavioral Therapy- Enhanced study protocol for individuals classified with binge eating disorder or other specified feeding or eating disorder. Efficacy will be examined through a Randomized Controlled Trial.

Trial registration

The study protocol is registered with the Netherlands Trial Registry NTR (NTR 7994) since 6 September 2019.
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Metadata
Title
Online cognitive behavioral therapy enhanced for binge eating disorder: study protocol for a randomized controlled trial
Authors
Elske van den Berg
Bernou Melisse
Jitske Koenders
Margo de Jonge
Matthijs Blankers
Edwin de Beurs
Jack Dekker
Publication date
01-12-2020
Publisher
BioMed Central
Published in
BMC Psychiatry / Issue 1/2020
Electronic ISSN: 1471-244X
DOI
https://doi.org/10.1186/s12888-020-02604-1

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