NCT03491293

Brief Summary

CHAT is an internet-based weight loss research program designed for women with overweight or obesity who want to lose weight through dietary change and increased physical activity. Participants will be randomized into a group-based online program who meet via a text chat or a video chat.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
32

participants targeted

Target at P25-P50 for not_applicable obesity

Timeline
Completed

Started Mar 2018

Shorter than P25 for not_applicable obesity

Geographic Reach
1 country

2 active sites

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

March 6, 2018

Completed
16 days until next milestone

First Submitted

Initial submission to the registry

March 22, 2018

Completed
18 days until next milestone

First Posted

Study publicly available on registry

April 9, 2018

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 30, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 30, 2018

Completed
Last Updated

December 6, 2018

Status Verified

December 1, 2018

Enrollment Period

9 months

First QC Date

March 22, 2018

Last Update Submit

December 5, 2018

Conditions

Keywords

internetbehavioral weight lossobesity

Outcome Measures

Primary Outcomes (1)

  • Weight loss from baseline

    The investigators will assess weight change differences between subjects randomized to receive an internet program alone with text chat vs. an internet program with visual chat and bodytrace smart scales. Weight will be assessed at baseline, 2 months after intervention begins, and at the end of intervention using a calibrated digital scale (Tanita, WB800S) with subjects in street clothes, without shoes.

    baseline, 2 months, 6 months

Secondary Outcomes (3)

  • Attendance at chat

    6 months

  • Self monitoring dietary intake

    6 months

  • Self monitoring weight

    6 months

Study Arms (2)

Behavioral Weight Loss + Text chat

ACTIVE COMPARATOR

Internet delivery of a behavioral weight control program via text in a group format facilitated by an experienced registered dietitian. Participants will have access to study materials including behavioral weight loss lessons on the study's website. Participants will weigh themselves daily and report their weight privately (data will only be accessible by research personnel) on the study website.

Behavioral: Behavioral Weight Loss + Text

Behavioral Weight Loss + Video chat

EXPERIMENTAL

Internet delivery of a behavioral weight control program via video in a group format facilitated by an experienced registered dietitian. Participants will have access to study materials including behavioral weight loss lessons on the study's website. Participants will be given smart scales to weigh daily, and weight will be transmitted to a secure website accessible only by research personnel.

Behavioral: Behavioral Weight Loss + Video

Interventions

Participants will attend weekly one hour classes on line. They will type their input and responses within the chat room. They will record their calorie and fat intake daily and weigh themselves daily. Interventionists will review the diaries weekly and provide feedback to reinforce or shape new behaviors and to identify high risk situations for problem solving.

Behavioral Weight Loss + Text chat

Participants will attend weekly one hour classes on line. They will have audio and video within the chat room, and will talk with their facilitator and classmates during their weekly meeting. They will record their calorie and fat intake daily and weigh themselves daily. Interventionists will review the diaries weekly and provide

Behavioral Weight Loss + Video chat

Eligibility Criteria

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

You may qualify if:

  • years old
  • BMI between 25 and 55
  • Free of medical problems that would preclude participation in a behavioral weight reduction program containing an exercise component
  • Not currently pregnant or pregnant in the previous 6 months or breastfeeding
  • Must have a computer at home or work with access to the Internet
  • Only one member of a household is eligible to participate
  • Must successfully complete a self-monitoring diary of foods consumed for 3 days
  • must be willing to share access to self monitoring information collected via My Fitness Pal by friending the CHAT research team
  • Not currently on medication that might affect weight loss
  • Not enrolled in another weight loss program

You may not qualify if:

  • BMI less than 25 or more than 55
  • Lost 10 pounds or more in the last 6 months
  • Had a heart attack or stroke in the past 6 months
  • Ever had weight loss surgery
  • Currently taking medications for weight loss
  • Persons required by their doctor to follow a special diet (other than low fat)
  • Plans to move from the area in the upcoming 9 months
  • Schedules that make it likely someone would have difficulty attending the scheduled chat groups

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

University of South Carolina

Columbia, South Carolina, 29208, United States

Location

Behavioral Weight Management Program/Univ of Vermont

Burlington, Vermont, 05405, United States

Location

MeSH Terms

Conditions

Obesity

Interventions

Videotape Recording

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Tape RecordingAudiovisual AidsEducational TechnologyTechnologyTechnology, Industry, and AgricultureTelevision

Study Officials

  • Jean Harvey, PhD RDN

    University of Vermont

    PRINCIPAL INVESTIGATOR
  • Delia West, PhD

    University of South Carolina

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator, NFS Chair, Associate Dean, College of Agriculture and Life Sciences

Study Record Dates

First Submitted

March 22, 2018

First Posted

April 9, 2018

Study Start

March 6, 2018

Primary Completion

November 30, 2018

Study Completion

November 30, 2018

Last Updated

December 6, 2018

Record last verified: 2018-12

Locations