Peer Support for Weight Loss Maintenance

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

849 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-02-19

Study Completion Date

2023-03-21

Brief Summary

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The primary aim of this study is to test the efficacy of patient-provided treatment for weight-loss maintenance.

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Detailed Description

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Conditions

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Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Peer-Delivered Weight Maintenance

Contingent upon participants losing 5% of body weight or more in Phase I (weight loss) of this trial, participants will receive an 18-month patient-delivered behavioral weight maintenance intervention. Specifically, group sessions will be delivered by a mentor (i.e., successful weight loser) and weekly coaching will be delivered by a peer (other member of their weight maintenance group).

Group Type ACTIVE_COMPARATOR

Peer-delivered Weight Maintenance

Intervention Type BEHAVIORAL

Contingent upon participants losing 5% of body weight or more in Phase I (weight loss) of this trial, participants will receive an 18-month patient-delivered behavioral weight maintenance intervention. Specifically, group sessions will be delivered by a mentor (i.e., successful weight loser) and weekly coaching will be delivered by a peer (other member of their weight maintenance group).

Professionally-Delivered Weight Maintenance

Contingent upon participants losing 5% of body weight or more in Phase I (weight loss) of this trial, participants will receive an 18-month reduced intensity behavioral weight maintenance intervention, delivered by a professional. The intervention will consist of 24 group sessions.

Group Type ACTIVE_COMPARATOR

Professionally-Delivered Weight Maintenance

Intervention Type BEHAVIORAL

Contingent upon participants losing 5% of body weight or more in Phase I (weight loss) of this trial, participants will receive an 18-month reduced intensity behavioral weight maintenance intervention, delivered by a professional. The intervention will consist of 24 group sessions.

Interventions

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Peer-delivered Weight Maintenance

Contingent upon participants losing 5% of body weight or more in Phase I (weight loss) of this trial, participants will receive an 18-month patient-delivered behavioral weight maintenance intervention. Specifically, group sessions will be delivered by a mentor (i.e., successful weight loser) and weekly coaching will be delivered by a peer (other member of their weight maintenance group).

Intervention Type BEHAVIORAL

Professionally-Delivered Weight Maintenance

Contingent upon participants losing 5% of body weight or more in Phase I (weight loss) of this trial, participants will receive an 18-month reduced intensity behavioral weight maintenance intervention, delivered by a professional. The intervention will consist of 24 group sessions.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Age between 18-75
* Body Mass Index between 25-50
* English Speaking

Exclusion Criteria

* Report being unable to walk 2 blocks without stopping
* Are currently participating in weight loss treatment, have a history of bariatric surgery, or lost ≥5% in the past 6-months
* Are pregnant or plan to become pregnant within 1 year
* Report a heart condition, chest pain during periods of rest or activity, or loss of consciousness on the Physical Activity Readiness Questionnaire
* Report a medical condition that could jeopardize their safety in a weight control program with diet and exercise guidelines
* Report conditions that, in the judgment of the PI, would render them unlikely to follow the protocol (e.g., relocation, dementia, unable to read and write in English)
* Have no Internet access.

Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No