NCT02868853

Brief Summary

The purpose of the study is to test the effectiveness of two different methods of mobile dietary self-monitoring for weight loss. Both of these interventions will provide weight loss information through twice weekly audio podcasts. In addition to the podcasts, participants will be asked to track their diet using an assigned mobile applications (for their smartphone), which will be randomly assigned.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
44

participants targeted

Target at P25-P50 for not_applicable obesity

Timeline
Completed

Started Sep 2016

Shorter than P25 for not_applicable obesity

Geographic Reach
1 country

1 active site

Status
completed

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 18, 2016

Completed
29 days until next milestone

First Posted

Study publicly available on registry

August 16, 2016

Completed
16 days until next milestone

Study Start

First participant enrolled

September 1, 2016

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2017

Completed
Last Updated

April 17, 2019

Status Verified

April 1, 2019

Enrollment Period

8 months

First QC Date

July 18, 2016

Last Update Submit

April 15, 2019

Conditions

Obesity

Keywords

dietweight losstrackingmobilecalories

Outcome Measures

Primary Outcomes (1)

  • Number of days diet is self-monitored

    Assess the total number of days food is recorded via assigned app over the 6-week study and then assess follow-up at 6 months.

    6 months

Study Arms (2)

Photo App

EXPERIMENTAL

Participants in this group will receive podcasts twice weekly in conjunction with using a mobile dietary tracking application(Photo App). This Photo App allows participants to track meals by taking photos.

Behavioral: Photo AppBehavioral: Podcasts

Diet App

ACTIVE COMPARATOR

Participants in this group will receive podcasts twice weekly in conjunction with an app (Diet App) to track their diet by entering in foods and beverages consumed.

Behavioral: Diet AppBehavioral: Podcasts

Interventions

Photo AppBEHAVIORAL

Use of a mobile photo app that takes pictures of foods consumed and allows users to share these pictures with other members of the study in order to receive feedback.

Photo App
Diet AppBEHAVIORAL

Use of a mobile diet app that allows users to track all foods and beverages consumed in order to calculate the calories consumed each day.

Diet App
PodcastsBEHAVIORAL

Listen to 2 podcasts per week about healthy eating and exercise.

Diet AppPhoto App

Eligibility Criteria

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

You may qualify if:

  • Must be between 18-65 years old
  • Own and use a smartphone and/or a tablet with a data plan that is apple of Android compatible
  • BMI must be between 25-49.9 kg/m2
  • Must be willing to reduce caloric intake and increase physical activity
  • Not currently participating in a weight loss study or has been in a weight loss study that involved podcasts or diet apps

You may not qualify if:

  • Over the age of 65 years old
  • Currently participating in a weight loss program
  • Has lost more than 10 pounds in the past 6 months
  • Diagnosed with stroke or heart attack
  • Diagnosed with diabetes that is controlled using medication

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of South Carolina

Columbia, South Carolina, 29208, United States

Location

Related Publications (2)

  • Dunn CG, Turner-McGrievy GM, Wilcox S, Hutto B. Dietary Self-Monitoring Through Calorie Tracking but Not Through a Digital Photography App Is Associated with Significant Weight Loss: The 2SMART Pilot Study-A 6-Month Randomized Trial. J Acad Nutr Diet. 2019 Sep;119(9):1525-1532. doi: 10.1016/j.jand.2019.03.013. Epub 2019 May 30.

    PMID: 31155474DERIVED

  • Turner-McGrievy GM, Dunn CG, Wilcox S, Boutte AK, Hutto B, Hoover A, Muth E. Defining Adherence to Mobile Dietary Self-Monitoring and Assessing Tracking Over Time: Tracking at Least Two Eating Occasions per Day Is Best Marker of Adherence within Two Different Mobile Health Randomized Weight Loss Interventions. J Acad Nutr Diet. 2019 Sep;119(9):1516-1524. doi: 10.1016/j.jand.2019.03.012. Epub 2019 May 30.

    PMID: 31155473DERIVED

MeSH Terms

Conditions

ObesityWeight Loss

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsBody Weight Changes

Study Officials

  • Brie McGrievy, PhD, MS, RD

    University of South Carolina

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

July 18, 2016

First Posted

August 16, 2016

Study Start

September 1, 2016

Primary Completion

May 1, 2017

Study Completion

May 1, 2017

Last Updated

April 17, 2019

Record last verified: 2019-04

Locations

US(1)