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OpenTrials
Completed

NCT Number: NCT00892788

A Behavioral Intervention for Reducing Obesity

This study will examine a contingency management (CM) intervention designed to provide incentives for losing weight versus participating in a manual-guided behavioral weight loss intervention alone. Participants in the CM condition will earn the opportunity to win prizes by losing weight and completing activities that contribute to weight loss, such as keeping daily food and physical activity diaries, choosing healthy foods, exercising, and using other weight loss strategies. The investigators will determine if the CM improves weight loss relative to the usual care manual-guided intervention alone.

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Key information

Conditions

Overweight Body Weight Nutrition Disorders Nutritional and Metabolic Diseases Obesity Overnutrition Pathological Conditions, Signs and Symptoms Signs and Symptoms

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University of Connecticut Health Center

Farmington, Connecticut, 06030-3944, United States

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • age between 18 and 65 years
  • body mass index in kg/m2 (BMI) between 30.0 and 39.9
  • seated blood pressure of 100/60-140/90 mmHg
  • ability to speak English and read at the 6th grade level
  • willingness to be randomly assigned to one of two groups

Exclusion criteria

  • any serious acute or chronic medical problems that may impact dietary or exercise regimens or impact weight loss
  • psychiatric exclusions

Treatment and study plan

Contingency Management

Behavioral

Prize-based contingency management for weight loss

weight loss manual-guided individual therapy sessions

Behavioral

once weekly counseling sessions with research staff

Primary outcomes

  1. absolute and relative weight loss

    Time frame: Weeks 1-12

  2. changes in waist circumference

    Time frame: Week 1 and Week 12

  3. proportion of participants achieving clinically significant weight loss (5% or more of baseline weight)

    Time frame: Week 1 and Week 12

Secondary outcomes

  1. indices of treatment retention

    Time frame: Weeks 1-12

  2. changes on measures of diet quality, physical activity, and physiological parameters such as blood pressure, lipoproteins, insulin, and glucose levels

    Time frame: Week 1 and Week 12

Sponsors and collaborators

Lead sponsor

UConn Health

Other

Collaborators

  • UCHC/Storrs and Regional Campus Incentive Grants

Registry information

Important dates

Study start
2009
Primary completion
2010
Study completion
2010
First posted
May 5, 2009
Registry last updated
Apr 9, 2019

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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