Clinical trial NCT07022873: ACT-ED: Randomized Controlled Trial of ACT-Based Eating Disorder Prevention Program
Official title: ACT-ED: Acceptance and Commitment Therapy Based Eating Disorder Prevention Program
Study type: INTERVENTIONAL
Overall status: ACTIVE_NOT_RECRUITING
Phase: NA
Conditions: Eating Disorder Symptoms
Eating Pathology
Disordered Eating Behaviors
Keywords: disordered eating
eating pathology
prevention
eating disorders
Lead sponsor: Ibn Haldun University
Sponsor class: OTHER
First posted: 2025-06-15
Enrollment: 28
Sex: FEMALE
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: SINGLE_GROUP
Intervention model description: There are two groups: experimental and control. Control group will receive the intervention after the follow-up assessment.
Primary purpose: PREVENTION

Brief summary: The goal of this clinical trial is to investigate the efficacy of an online group prevention program developed for women at risk for eating disorders with randomized controlled trial.

The main questions it aims to answer are:

* Does the ACT intervention lead to a significant difference in disordered eating behaviors among individuals at risk for eating disorders?
* Does the ACT intervention lead to a significant difference in body dissatisfaction among individuals at risk for eating disorders?
* Does the ACT intervention lead to a significant difference in obsessive-compulsive and borderline personality beliefs among individuals at risk for eating disorders?
* Does body image flexibility significantly affect the impact of the ACT intervention on disordered eating behaviors?
* Do self-as-context, cognitive defusion, and present-moment awareness significantly affect the impact of the ACT intervention on disordered eating behaviors?

Participant will:

Join the online 4-session ACT-based group program Fill the measures at pre-test, post-test and follow-up assessment.


Eligibility criteria: Inclusion Criteria:

* Being a woman aged 18 years or older
* Exhibiting disordered eating behaviors (EDE-Q score ≥ 3.03)
* Experiencing body dissatisfaction (BSQ-34 score ≥ 110)

Exclusion Criteria:

* Current or past diagnosis/treatment for an eating disorder
* Currently receiving psychotherapy
* Currently receiving psychiatric medication (not excluded if there has been no change in treatment in the last 6 months)
* Having chronic psychiatric disorders (e.g. psychosis)
* Having a substance addiction

Primary outcomes:
measure: Disordered eating, assesed by the Turkish form of the Eating disorder examination questionnaire (EDE-Q)
timeFrame: Baseline (pretest), week 4(posttest), 3-month follow-up
Secondary outcomes:
measure: Body dissatisfaction, assesed by the Turkish form of Body shape Questionnaire (BSQ)
timeFrame: Baseline (pretest), week 4(posttest), 3-month follow-up
measure: Body image flexibility, assesed by the Turkish form of the Body Image Acceptance and Action Questionnaire (BI-AAQ)
timeFrame: Baseline (pretest), week 4(posttest), 3-month follow-up
measure: Psychological flexibility, assesed by Acceptance and Action Questionnaire (AAQ-II)
timeFrame: Baseline (pretest), week 4(posttest), 3-month follow-up
measure: Present moment awareness, assesed by the Turkish form of the Freiburg Mindfulness Inventory (FMI)
timeFrame: Baseline (pretest), week 4(posttest), 3-month follow-up
measure: Contextual Self, assesed by the Turkish form of the Self-As-Context Scale (SACS)
timeFrame: Baseline (pretest), week 4(posttest), 3-month follow-up
measure: Defusion, assesed by the Turkish form of the Cognitive Fusion Scale (CFS)
timeFrame: Baseline (pretest), week 4(posttest), 3-month follow-up
measure: Personality beliefs, assesed by the Turkish form of the Personality Beliefs Questionnaire- Short Form (PBQ-SF)
timeFrame: Baseline (pretest), week 4(posttest), 3-month follow-up
Other outcomes:
Locations:
city: Istanbul
country: Turkey
facility: Ibn Haldun University Psychotherapy Application and Research Center (IPAM)
state: Basaksehir
Study officials:
affiliation: Ibn Haldun University
name: Emine Serra Nebati
role: PRINCIPAL_INVESTIGATOR
References: