Eating Disorder Dynamic Intervention

Part of paid clinical trials in Lebanon, New Hampshire.

Sponsor
Trustees of Dartmouth College
Study ID
NCT07600671
Status
Recruiting
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Conditions

  • Anorexia Nervosa
  • Binge Eating Disorder
  • Bulimia Nervosa
  • Eating Disorders
  • Other Specified Feeding or Eating Disorder

Eligibility Criteria

Sex
ALL
Age
18 Years - 70 Years
Healthy Volunteers
Not accepted

Interventions

  • Eating Disorder Dynamic Intervention — BEHAVIORAL
    Participants will use a smartphone-based program designed to support eating disorder recovery in daily life. Participants will complete brief surveys about their mood, thoughts, and behaviors, and the smartphone will also passively collect activity-related data. This information is used to detect times when a person may be at higher risk for eating disorder behaviors. Participants will watch 4 video modules that introduce the core enhanced cognitive-behavioral therapy skills for eating disorders (reducing dietary restraint, urge management, emotion regulation, and improving body image), provide rationale, and prompt participants to complete interactive activities to practice these skills. Participants will then receive micro-randomized JITAIs prompting them to use these skills in their daily lives; micro-randomization will be used to deliver a JITAI from one of the 4 skill categories (reducing dietary restraint, urge management, emotion regulation, improving body image) or no JITAI.

Study Details

The goal of this study is to develop and test a digital program to help people with eating disorders in their everyday lives. The program uses brief surveys and sensor data collected by smartphones to understand when someone may be at higher risk for behaviors like restricting food, binge eating, or using unhealthy weight control behaviors.

Key Dates

Start date
Jun 29, 2026
Status verified
Jun 2026
Primary completion
Jan 31, 2030
Completion
Jul 31, 2030

Study Design

Enrollment
170 participants (estimated)
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT

Arms

  • Experimental: All Participants Receive Just-In-Time Adaptive Interventions (JITAIs) through the EDDI App
    All participants will receive just-in-time adaptive interventions when their personalized model identifies that they are at risk for an eating disorder behavior. The content of the just-in-time adaptive intervention (i.e., the therapy skill targeted) will be randomized at the point of just-in-time adaptive intervention delivery.

Primary Outcome Measure

Area under the receiver operating curve (AUC) [ Time Frame: Weeks 5 and 6 of data collection ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
Dartmouth CollegeLebanonNew Hampshire03766
Emily K Presseller, PhD
[email protected]
603-646-7109

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Dartmouth College· Lebanon, NH

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