NCT02632461

Brief Summary

The purpose of the study is to test the effectiveness of two different weight loss interventions. 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 either a wearable device on their wrist or through an app on their smartphone.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
81

participants targeted

Target at P50-P75 for not_applicable obesity

Timeline
Completed

Started Dec 2015

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

Study Start

First participant enrolled

December 1, 2015

Completed
13 days until next milestone

First Submitted

Initial submission to the registry

December 14, 2015

Completed
2 days until next milestone

First Posted

Study publicly available on registry

December 16, 2015

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2016

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2016

Completed
Last Updated

April 18, 2019

Status Verified

April 1, 2019

Enrollment Period

8 months

First QC Date

December 14, 2015

Last Update Submit

April 16, 2019

Conditions

Obesity

Keywords

DietWeight LossTrackingCalories

Outcome Measures

Primary Outcomes (1)

  • Change in body weight as assessed by digital scale

    Change in body weight from baseline to 6 months as assessed by digital scale.

    6 months

Study Arms (2)

Podcast (+Bite Counter)

EXPERIMENTAL

Participants in this group will receive podcasts twice weekly in conjunction with using a wearable wrist device called a Bite Counter. The Bite Counter tracks the number of bites/calories per bite. (Podcasts plus Bite Counter)

Behavioral: PodcastsBehavioral: Bite Counter

Podcast (+Mobile App)

ACTIVE COMPARATOR

Participants in this group will receive podcasts twice weekly in conjunction with using a mobile application to track their diet. (Podcasts plus Mobile Diet Application)

Behavioral: PodcastsBehavioral: Mobile Diet Application

Interventions

PodcastsBEHAVIORAL

Participants will receive twice weekly podcasts that will cover topics related to weight loss.

Podcast (+Bite Counter)Podcast (+Mobile App)
Mobile Diet ApplicationBEHAVIORAL

Participants will use a mobile application on their smartphone to track their diet.

Podcast (+Mobile App)
Bite CounterBEHAVIORAL

Participants will use a wrist-worn Bite Counter to track the number of bites in their diet per day.

Podcast (+Bite Counter)

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
  • 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 in a weight loss study that involved podcasts

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)

  • 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

  • Turner-McGrievy GM, Wilcox S, Boutte A, Hutto BE, Singletary C, Muth ER, Hoover AW. The Dietary Intervention to Enhance Tracking with Mobile Devices (DIET Mobile) Study: A 6-Month Randomized Weight Loss Trial. Obesity (Silver Spring). 2017 Aug;25(8):1336-1342. doi: 10.1002/oby.21889. Epub 2017 Jun 10.

    PMID: 28600833DERIVED

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 Turner-McGrievy

    University of South Carolina School of Public Health

    PRINCIPAL INVESTIGATOR

Study Design

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

Study Record Dates

First Submitted

December 14, 2015

First Posted

December 16, 2015

Study Start

December 1, 2015

Primary Completion

August 1, 2016

Study Completion

September 1, 2016

Last Updated

April 18, 2019

Record last verified: 2019-04

Locations

US(1)