NCT07559552

Brief Summary

This study aims to evaluate the effects of an Acceptance and Commitment Therapy (ACT)-based group therapy program, combined with an ACT-based mobile app, on emotional eating, emotion regulation, and psychological flexibility in overweight individuals. Emotional eating is a condition in which individuals frequently use eating behavior as a coping mechanism for negative emotions. Participants will be randomly assigned to intervention groups receiving ACT-based group therapy, ACT-based group therapy combined with an ACT-based mobile app, or a control group. The intervention will last six weeks and will include structured group sessions as well as mobile-based exercises, reminders, and coping strategies. Outcome measures will include emotional eating, emotion regulation, and psychological flexibility. Assessments will be conducted at baseline, post-intervention, and during the follow-up phase. The findings of this study are expected to contribute to the development of accessible and effective interventions for emotional eating.

Trial Health

63
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Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
78

participants targeted

Target at P50-P75 for not_applicable

Timeline
7mo left

Started Jun 2026

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 22, 2026

Completed
8 days until next milestone

First Posted

Study publicly available on registry

April 30, 2026

Completed
2 months until next milestone

Study Start

First participant enrolled

June 15, 2026

Expected
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 30, 2026

3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2026

Last Updated

April 30, 2026

Status Verified

April 1, 2026

Enrollment Period

4 months

First QC Date

April 22, 2026

Last Update Submit

April 22, 2026

Conditions

Keywords

Acceptance and Commitment TherapyEmotional EatingEmotion RegulationPsychological FlexibilityMobile Health (mHealth)Mobile ApplicationGroup TherapyOverweightDigital Intervention

Outcome Measures

Primary Outcomes (1)

  • Emotional Eating Level

    Participants' levels of emotional eating will be assessed using a validated and reliable self-report scale. The DEBQ Emotional Eating subscale will be used in the assessment. The scale measures individuals' eating behaviors in response to emotional states such as stress, sadness, and anxiety. Higher scores indicate higher levels of emotional eating behavior.

    Baseline, post-intervention (6 weeks), and 3-month follow-up.

Secondary Outcomes (2)

  • Changes in Emotion Regulation Skills

    Baseline, post-intervention (6 weeks), and 3-month follow-up.

  • Changes in Acceptance and Action Form-II (AAP-II) Scores

    Baseline, post-intervention (6 weeks), and 3-month follow-up.

Study Arms (3)

ACT Group Therapy

EXPERIMENTAL

Participants in this group will undergo a six-week structured group therapy program based on Acceptance and Commitment Therapy (ACT).

Behavioral: ACT-Based Group Therapy

ACT Group Therapy + Mobile Application

EXPERIMENTAL

Participants in this group will receive six weeks of Acceptance and Commitment Therapy (ACT)-based group therapy, and will have access to an ACT-based mobile application to support the therapy process.

Behavioral: ACT-Based Group TherapyBehavioral: ACT-Based Mobile Application

Waitlist Control Group

NO INTERVENTION

Participants in this group will be placed on a waiting list and will not receive any intervention during the study. They will have access to the mobile application after the study is completed.

Interventions

The Acceptance and Commitment Therapy (ACT)-based group therapy program is structured as one session per week for six weeks. Sessions will last 60-90 minutes. The sessions will focus on the core ACT processes: acceptance, cognitive dissociation, being present, contextual self, value identification, and value-oriented action. Psychoeducation, experiential exercises, mindfulness practices, and group sharing will be used during the sessions. Homework and practice tasks will be assigned between sessions to support participants in applying the skills they learn to their daily lives.

ACT Group TherapyACT Group Therapy + Mobile Application

The ACT-based mobile application was developed to support the therapy process. The application offers psychoeducational content, ACT-based exercises, reminders, motivational messages, and tools to support the application of skills in daily life. It also allows users to monitor their mood and eating behaviors.

Also known as: ACTivity
ACT Group Therapy + Mobile Application

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Agreeing to participate in the study,
  • Being between 18-65 years of age,
  • Having a body mass index ≤ 25 (BMI ≤ 29.9),
  • Being able to read and write,
  • Having an iOS or Android smartphone,
  • Having internet access,
  • Having a home environment suitable for online sessions (having a computer/smartphone, internet access at home, the patient being able to be alone in the room during the session, etc.),

You may not qualify if:

  • Having communication problems that would prevent the interview,
  • Having a diagnosis of a mental disorder, including an eating disorder, that would prevent participation in the study, or having concomitant serious medical conditions that could potentially jeopardize study participation.
  • Having undergone bariatric surgery. • Being on the waiting list for bariatric surgery.
  • Being pregnant, breastfeeding, or planning to become pregnant within the next 6 months.
  • Receiving therapy/counseling for emotional eating and emotion regulation problems,
  • Using a mobile application for emotional eating and emotion regulation problems,

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Zonguldak Atatürk State Hospital

Zonguldak, Merkez, 67000, Turkey (Türkiye)

Location

Related Publications (3)

  • Litwin R, Goldbacher EM, Cardaciotto L, Gambrel LE. Negative emotions and emotional eating: the mediating role of experiential avoidance. Eat Weight Disord. 2017 Mar;22(1):97-104. doi: 10.1007/s40519-016-0301-9. Epub 2016 Jul 26.

    PMID: 27460010BACKGROUND
  • Guerrini Usubini A, Cattivelli R, Radaelli A, Bottacchi M, Landi G, Tossani E, Grandi S, Castelnuovo G, Sartorio A. Preliminary Results from the ACTyourCHANGE in Teens Protocol: A Randomized Controlled Trial Evaluating Acceptance and Commitment Therapy for Adolescents with Obesity. Int J Environ Res Public Health. 2022 May 5;19(9):5635. doi: 10.3390/ijerph19095635.

    PMID: 35565031BACKGROUND
  • Saritas M, Sukut O. The Effect of Solution-Focused Group Counseling on Emotional Eating Levels in University Students: A Randomized Controlled Trial. Psychol Rep. 2024 Oct 22:332941241293697. doi: 10.1177/00332941241293697. Online ahead of print.

    PMID: 39435764BACKGROUND

Related Links

MeSH Terms

Conditions

Emotional EatingEmotional RegulationOverweight

Interventions

Exercise

Condition Hierarchy (Ancestors)

Feeding BehaviorBehaviorSelf-ControlSocial BehaviorOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Motor ActivityMovementMusculoskeletal Physiological PhenomenaMusculoskeletal and Neural Physiological Phenomena

Central Study Contacts

Merve Sarıtaş Arslan, RN, MSc

CONTACT

Elvan Emine Ata, Associate Professor, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Participants will be randomly assigned to three groups (ACT-based group therapy, ACT-based group therapy + mobile application, and waiting list control group) and will remain in their assigned group for the duration of the study. All groups will be conducted in parallel.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
PhD Student

Study Record Dates

First Submitted

April 22, 2026

First Posted

April 30, 2026

Study Start (Estimated)

June 15, 2026

Primary Completion (Estimated)

September 30, 2026

Study Completion (Estimated)

December 30, 2026

Last Updated

April 30, 2026

Record last verified: 2026-04

Locations