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Contingency Management to Promote Weight Loss in Low Income Adults

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
University of Connecticut Health Center
ClinicalTrials.gov Identifier:
NCT00875199
First received: March 31, 2009
Last updated: November 17, 2011
Last verified: November 2011

March 31, 2009
November 17, 2011
March 2009
March 2010   (final data collection date for primary outcome measure)
  • absolute and relative weight loss [ Time Frame: pre-treatment, weekly during active phase, post-treatment ] [ Designated as safety issue: No ]
  • number of participants achieving clinically significant weight loss (5% or more of baseline weight) [ Time Frame: pre-treatment, weekly during active phase, post-treatment ] [ Designated as safety issue: No ]
Same as current
Complete list of historical versions of study NCT00875199 on ClinicalTrials.gov Archive Site
  • retention [ Time Frame: during active phase ] [ Designated as safety issue: No ]
  • changes on measures of diet quality, physical activity, and self-efficacy [ Time Frame: pre-treatment, post-treatment ] [ Designated as safety issue: No ]
  • self-reports, focus groups [ Time Frame: pre-treatment, post-treatment ] [ Designated as safety issue: No ]
Same as current
Not Provided
Not Provided
 
Contingency Management to Promote Weight Loss in Low Income Adults
Contingency Management to Promote Weight Loss in Low Income Adults

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.

Not Provided
Interventional
Phase 2
Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Overweight
  • Behavioral: contingency management
    Prize-based contingency management for weight loss
  • Behavioral: weight loss manual-guided individual therapy sessions
    once weekly counseling session with research staff
  • 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.
    Intervention: Behavioral: weight loss manual-guided individual therapy sessions
  • 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.
    Intervention: Behavioral: contingency management
Not Provided

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
30
March 2010
March 2010   (final data collection date for primary outcome measure)

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
Both
18 Years to 55 Years
No
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT00875199
09-108-2, 20090009
No
University of Connecticut Health Center
University of Connecticut Health Center
Not Provided
Principal Investigator: Danielle M Barry, Ph.D. University of Connecticut Health Center
University of Connecticut Health Center
November 2011

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP