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Contingency Management to Promote Weight Loss in Low Income Adults

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00875199
First Posted: April 3, 2009
Last Update Posted: November 21, 2011
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by (Responsible Party):
UConn Health
  Purpose
This study is designed to evaluate the feasibility and provide preliminary evidence for efficacy of a 12-week contingency management intervention to promote weight loss in overweight and obese low income adults in a community-based clinic. The study has three primary goals: (a) to determine if the contingency management treatment can be effectively applied to a new application, weight loss; (b) to obtain preliminary evidence for contingency management's efficacy in promoting weight loss and improving treatment retention, diet quality, physical activity levels, and self efficacy; and (c) to identify barriers and challenges to implementing contingency management for weight loss among low income patients.

Condition Intervention Phase
Overweight Behavioral: contingency management Behavioral: weight loss manual-guided individual therapy sessions Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Contingency Management to Promote Weight Loss in Low Income Adults

Resource links provided by NLM:


Further study details as provided by UConn Health:

Primary Outcome Measures:
  • absolute and relative weight loss [ Time Frame: pre-treatment, weekly during active phase, post-treatment ]
  • number of participants achieving clinically significant weight loss (5% or more of baseline weight) [ Time Frame: pre-treatment, weekly during active phase, post-treatment ]

Secondary Outcome Measures:
  • retention [ Time Frame: during active phase ]
  • changes on measures of diet quality, physical activity, and self-efficacy [ Time Frame: pre-treatment, post-treatment ]
  • self-reports, focus groups [ Time Frame: pre-treatment, post-treatment ]

Enrollment: 30
Study Start Date: March 2009
Study Completion Date: March 2010
Primary Completion Date: March 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: A
Participants assigned to Group A will receive the DPP manual (Wing & Gillis, 1996), a behavioral weight-loss program with demonstrated efficacy in facilitating weight loss. Participants in Group A will be instructed to read a section of the manual each week and complete suggested activities. They will also meet with the research staff once a week for weigh-in and supportive counseling.
Behavioral: weight loss manual-guided individual therapy sessions
once weekly counseling session with research staff
Experimental: B
Participants assigned to Group B will receive the DPP manual and will meet with research staff each week for weigh-in and supportive counseling. They will also receive contingency management or the opportunity to earn draws with the chance of winning prizes for losing weight and completing healthy activities.
Behavioral: contingency management
Prize-based contingency management for weight loss

  Eligibility

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 55 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • age between 18 and 55 years
  • body mass index in kg/m2 (BMI) between 25 and 39.9
  • resting blood pressure between 90/60 and 140/90
  • 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
  • psychiatric conditions
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00875199


Locations
United States, Connecticut
University of Connecticut Health Center
Farmington, Connecticut, United States, 06030
Sponsors and Collaborators
UConn Health
Investigators
Principal Investigator: Danielle M Barry, Ph.D. UConn Health
  More Information

Responsible Party: UConn Health
ClinicalTrials.gov Identifier: NCT00875199     History of Changes
Other Study ID Numbers: 09-108-2
20090009 ( Other Grant/Funding Number: The Ethel Donaghue Center for Translating Research into Practice and Policy )
First Submitted: March 31, 2009
First Posted: April 3, 2009
Last Update Posted: November 21, 2011
Last Verified: November 2011

Keywords provided by UConn Health:
Overweight
Obesity
Contingency Management

Additional relevant MeSH terms:
Overweight
Weight Loss
Body Weight
Signs and Symptoms
Body Weight Changes