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Reset: Enhancing Weight Loss in a Digital Intervention
Sponsor: Stanford University
Summary
The goal of the Reset trial is to learn about the optimal combination of dietary behavior strategies in a fully digital weight loss intervention. The intervention is designed for adults with overweight or obesity. The investigators will examine the impact on weight loss of four dietary strategies: 1) limiting Red Zone Foods (i.e., foods that are high in calories and low in nutrition), 2) limiting eating windows, 3) increasing protein intake, and 4) increasing fiber intake. Each of these strategies will include goal setting, daily self-monitoring, and tailored feedback. The investigators will recruit 208 participants. Broadly, adults with overweight or obesity who live in the U.S. will be eligible. The weight loss intervention will last 12 weeks. All participants will be asked to track their body weight daily and complete weekly behavioral lessons and action plans to promote healthy eating and physical activity. All study tasks will occur remotely. Assessment of body weight and survey measures will occur at the beginning of the trial ("baseline"), and at 1 month and 3 months. The Multiphase Optimization Strategy (MOST) framework will be used to identify which combination of the dietary behavior strategies results in the greatest weight loss. In total, there will be 16 treatment conditions.
Official title: Enhancing Weight Loss in a Digital Intervention Among Adults With Overweight or Obesity
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
208
Start Date
2026-04
Completion Date
2026-08
Last Updated
2026-03-03
Healthy Volunteers
No
Interventions
Core Behavioral Weight Loss Intervention
All participants receive a 12-week core behavioral weight loss intervention consisting of the following: daily self-monitoring of weight; weekly behavioral lessons and action plans to promote healthy eating and physical activity; and tailored feedback. The intervention will be delivered remotely via email and/or text message.
Limit Red Zone Foods
Participants randomized to receive this component are given a goal to limit their Red Zone Foods (i.e., foods high in calories and low in nutrition) and are instructed to self-monitor them daily.
Limit Eating Window
Participants randomized to receive this component are given a goal to limit their eating windows (i.e., follow time-restricted eating) and are instructed to self-monitor them daily.
Increase Protein
Participants randomized to receive this component are given a goal to increase their protein intake and are instructed to self-monitor it daily.
Increase Fiber Intake
Participants randomized to receive this component are given a goal to increase their fiber intake and are instructed to self-monitor it daily.
Locations (1)
Stanford University School of Medicine
Palo Alto, California, United States