Obesity Clinical Trial - GoalTracker: Comparing Self-Monitoring Strategies

Status Completed

Clinical Trial Summary

This study is a randomized controlled trial that compares 3 self-monitoring approaches for weight loss. GoalTracker is a standalone, technology-based intervention using a commercial smartphone app (MyFitnessPal) and email.

The investigators hypothesize that the group that delays diet tracking and receives additional intervention components (weekly personalized feedback, skills training, and action plans) will have greater weight loss at the end of the 12-week intervention and at 6-month followup, compared to (a) an intervention group that simultaneously tracks weight and diet for all 12 weeks and receives the same additional components, and (b) a control group that tracks only diet.

Clinical Trial Description

This study will examine whether a digital health intervention (GoalTracker) can promote weight loss among adults who are overweight or obese. Engagement in self-monitoring often declines over time, which is then associated with suboptimal weight loss. Finding ways to improve self-monitoring engagement, particularly in the first month of treatment, is needed. Promoting mastery, self-efficacy, and self-regulatory skills may help with maintaining high engagement.

The investigators aim to enroll 105 participants. All groups are asked to self-monitor daily on their smartphone using the free commercial mobile application MyFitnessPal over the course of the 12-week intervention.

Specifically, the study aims to...

1. Determine the effect of a Sequential self-monitoring intervention, compared to a Simultaneous self-monitoring intervention on weight change, caloric intake change, and proportion of individuals achieving 5% weight loss.

2. Determine the effect of the Sequential self-monitoring intervention, compared to the Control, on the same variables.

3. Compare self-monitoring engagement by intervention arm.

4. Examine the relation between self-monitoring engagement and weight loss.

5. Investigate theoretical mediators (self-efficacy, mastery, and self-regulation) on the relation between treatment arm and weight change. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03254953
Study type	Interventional
Source	Duke University
Contact
Status	Completed
Phase	N/A
Start date	April 19, 2017
Completion date	March 2, 2018

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

GoalTracker: Comparing Self-Monitoring Strategies for Weight Loss

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms