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NCT Number: NCT07217847

Testing SHAPE: A Single-Session Intervention Targeting Binge Eating in Women Through Assessment and Values-Based Strategies

The goal of this controlled trial is to learn whether a brief single-session intervention (SSI) can reduce binge eating symptoms by targeting overvaluation of weight/shape in women with recurrent binge eating.

The main questions it aims to answer are:

* Does assessment alone reduce binge eating severity and overvaluation of weight/shape compared to a control group undergoing minimal assessment? * Does adding a values-based reflection and goal-setting component (the full SHAPE intervention) add benefits beyond the assessment alone?

Researchers will compare three groups:

1. assessment-only, 2. full SHAPE intervention, and 3. minimal assessment control to see if both active conditions outperform the control, and whether the full intervention adds any benefits beyond the assessment itself

Participants will:

* Complete a semi-structured eating disorder assessment (Eating Disorder Examination) * Depending on assignment, also complete a values-based reflection and goal-setting exercise with psychoeducation * Complete follow-up assessments evaluating binge eating severity, overvaluation of weight/shape, clinical impairment, binge frequency, and related outcomes.

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Key information

Conditions

Binge Eating Binge Eating Behaviour Binge Eating/Loss of Control Eating Binge-Eating Disorder Body Image Body Image Disturbance Body Weight Bulimia Feeding and Eating Disorders Hyperphagia Mental Disorders Pathological Conditions, Signs and Symptoms Signs and Symptoms Signs and Symptoms, Digestive

Age range

18 year and older

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • ≥ 18 years old
  • Identify as cisgender female
  • self-reported BMI ≥ 18.5 kg/m²
  • Rate the extent to which their weight or shape influences how they feel about themselves as a "4" or higher on a 7-point Likert scale on screening measures
  • ≥1 binge eating episode every 2 weeks (i.e., ≥ six episodes over 3 months) at the time of screening

Exclusion criteria

  • < 18 years old
  • Assigned male at birth
  • Gender identity different from biological sex indicated on birth certificate
  • Purging behaviors (i.e., self-induced vomiting, laxative misuse, or diuretic misuse) ≥ 1x/week in the last 3 months at the time of screening.
  • Engaged in structured psychological therapy or counseling (defined as attending sessions > 1x/month in the past 3 months)
  • Prior participation in studies that include administration of the EDE interview at Ohio University (IRB-FY24-403, IRB-FY25-330, and IRB-21-F-14).

Treatment and study plan

Assessment-only

Behavioral

Diagnostic items of the Eating Disorder Examindation (EDE)

values-based reflection and goal-setting/action-planning exercises

Behavioral

Assessment-only intervention + values-based reflection and goal-setting/action-planning exercises

Other names: SHAPE

Minimal-Assessment Control

Behavioral

Invovles completing only the Intro/Eating Pattern + Bulimic Episodes/Overeating Sections of Eating Disorder Examination (EDE)

Primary outcomes

  1. Changes in overvaluation of weight/shape

    Time frame: 1 month

    Changes in Shape/weight overvaluation subscale score on 7-Item Eating Disorder Examination Questionnaire

  2. Change in binge eating severity

    Time frame: 1 month

    Change in scores on Binge Eating Scale

Secondary outcomes

  1. Change in Body Image Flexibility

    Time frame: 1 month

    5-item Body Image Acceptance and Action Questionnaire

  2. Change in eating self-efficacy

    Time frame: 1 month

    Score change on Eating Self-Efficacy Brief Scale

  3. Change in readiness to change eating disorder symptoms

    Time frame: 1 month

    Change in Eating Disorder Readiness Ruler scores

  4. Change in eating disorder-related clinical impairment

    Time frame: 1 month

    Score change on Clinical Impairment Assessment

  5. Change in depressive symtpoms

    Time frame: 1 month

    Change in Patient Health Questionnaire-8 scores

  6. Change in binge eating frequency

    Time frame: 1 month

    Change in binge episode count on Eating Disorder Examination Questionnaire

Study contacts

Contact information is provided by the study sponsor or research team.

Taylor L Rezeppa, Master of Science

CONTACT

[email protected]

301-957-5805

Sponsors and collaborators

Lead sponsor

Taylor Rezeppa

Other

Collaborators

  • Ohio University

Registry information

Official study title

Testing a Single-session Consultation for Reducing Binge Eating

Acronym: SHAPE

Important dates

Study start
2025
Primary completion
2026
Study completion
2027
First posted
Oct 20, 2025
Registry last updated
Oct 20, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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