Innovative Approaches to Diet, Exercise and Activity (IDEA)

August 4, 2015 updated by: John M. Jakicic, PhD, University of Pittsburgh

Enhanced Behavioral Intervention to Improve Long-Term Weight Loss in Young Adults

The prevalence of obesity in young adults has been increasing, and excessive body weight have been linked to numerous chronic conditions including cardiovascular disease, diabetes, many forms of cancer, and numerous musculoskeletal problems. This study will focus of the development and evaluation of interventions that may be appropriate for young adults (age 18-35 years) to improve weight loss outcomes following a 24 month intervention. The primary aim of this study is to examine whether an enhanced weight loss intervention (EWLI) that includes technology components results in improved weight loss in young adults (18-35 years of age) compared to a standard behavioral weight loss intervention (SBWP) over a period of 24 months. Eligible participants will also be assessed for body composition, body fat distribution, fitness, physical activity, dietary intake, and behavioral/psychosocial measures that may be predictive of behavior change. Assessments will occur at 0, 6, 12, 18, and 24 months. Subjects will participate in a 24 month behavioral weight loss program that includes a reduction in energy intake and moderate-to-vigorous intensity exercise (progressively increasing from 100 to 300 minutes per week). The technologies added to EWLI are text messaging, a wearable device that provides feedback on physical activity, and access to a website to monitor dietary behaviors.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

471

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Pennsylvania
      • Pittsburgh, Pennsylvania, United States, 15203
        • University of Pittsburgh

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 35 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • 18-35 years of age
  • Intending to be available for a 24 month intervention
  • An active cellular telephone that is capable of receiving text messaging
  • A computer and internet connectivity that can be used for the BodyMedia Fit system
  • Body mass index (BMI) between 25.0-39.9 kg/m2
  • The ability to provide medical clearance to participate in this study from their primary care physician
  • The ability to complete the baseline graded exercise test, and clearance from the study physician to participate in this study after reviewing the results from this study

Exclusion Criteria:

  • Unable to provide informed consent
  • Household member on study staff
  • Past or planned (within the next 24 months) weight loss surgery (e.g. gastric bypass, lap band, or liposuction); current participation in a commercial weight loss program (e.g. Weight Watcher's, Jenny Craig); current or planned enrollment in another diet/PA/weight loss intervention study
  • Report regular use of systemic steroids, prescription weight loss drugs. "Regular use" is defined as "taking this medication most days of the week for the previous month"
  • Current treatment for eating disorder
  • Cardiovascular event (heart attack, stroke, episode of heart failure, or revascularization procedure) within the last 6 months
  • Current treatment for malignancy (other than non-melanoma skin cancer)
  • Currently pregnant or gave birth within the last 6 months, currently lactating or breastfeeding within the last 3 months, actively planning pregnancy within the next 24 months
  • Investigator discretion
  • Currently taking medication that would affect heart rate or blood pressure responses to exercise (e.g., beta blockers)
  • Report losing >5% of current body weight in the previous 6 months
  • Currently treated for psychological issues, or taking psychotropic medications within the previous 6 months
  • Report taking medication that could affect metabolism or change body weight
  • Current treatment for diabetes mellitus

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Standard Behavioral Weight Loss Intervention
Behavioral: Standard Behavioral Weight Loss Intervention
Subjects in this group will receive our standard behavioral weight control program that is delivered in an in-person group-based format. At month 7 subjects will also be given access to a study website to monitor eating and activity behaviors, and to have electronic access to standardized intervention materials. At month 7 subjects will also receive targeted study-related text messages that otherwise would have been provided in paper format.
Experimental: Enhanced Weight Loss Intervention
Behavioral: Enhanced Weight Loss Intervention
Subjects in this group will participate in a weight loss intervention that includes technology enhancements. These enhancements will include the addition of intervention specific targeted and tailored text messaging and the BodyMedia Fit System® beginning at Month 7. At month 7 subjects in EWLI will also receive the same targeted study-related text messages provided to SBWP that otherwise would have been provided in paper format.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
weight change
Time Frame: Change from baseline to 24 months
Body weight will be assessed on a digital scale to assess change in body weight over the 24 month intervention period.
Change from baseline to 24 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
body composition
Time Frame: 0, 6, 12, 18 24 months
Body composition will be assessed using DXA. This will provide a measure of lean body mass, fat mass, bone mineral content, and percent body fat.
0, 6, 12, 18 24 months
cardiorespiratory fitness
Time Frame: 0, 6, 12, 18, 24 months
A graded exercise test on a treadmill along with indirect calorimetry will be used to measure cardiorespiratory fitness. This will provide a measure of oxygen consumption and metabolic equivalents of work at the time of test termination.
0, 6, 12, 18, 24 months
physical activity energy expenditure
Time Frame: 0, 6, 12, 18, 24 months
A questionnaire and a portable device worn on the upper arm will be used to measure and quantify energy expenditure from physical activity.
0, 6, 12, 18, 24 months
dietary intake
Time Frame: 0, 6, 12, 18, 24 months
A questionnaire will be used to assess self-reported food intake. This will be used to estimate calories, dietary fat, protein, and carbohydrates consumed.
0, 6, 12, 18, 24 months
psychosocial and behavioral measures
Time Frame: 0, 6, 12, 18, 24 months
Questionnaires will be used to assess self-efficacy for weight loss and physical activity, barriers to physical activity and weight loss, expected outcomes resulting from physical activity and weight loss, perceived body image, depressive symptomotology, sleep patterns, weight history, dietary disinhibition and restraint, and behaviors typically related to weight loss (e.g., self-weighing, meal planning, etc.).
0, 6, 12, 18, 24 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Pittsburgh

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2010

Primary Completion (Actual)

November 1, 2014

Study Completion (Actual)

November 1, 2014

Study Registration Dates

First Submitted

May 24, 2010

First Submitted That Met QC Criteria

May 25, 2010

First Posted (Estimate)

May 27, 2010

Study Record Updates

Last Update Posted (Estimate)

August 5, 2015

Last Update Submitted That Met QC Criteria

August 4, 2015

Last Verified

August 1, 2015

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • U01HL096770 (U.S. NIH Grant/Contract)

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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