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LOSS is a pragmatic clinical evaluation of intensive medical approaches to weight loss for individuals with extreme obesity (body mass index [BMI] 40-60 kg/m2). The intensive medical treatment is designed to produce 25% weight loss from baseline and to maintain at least 20% weight loss from baseline. The intensive medical treatment is compared to a usual care treatment model where individuals utilize self directed approaches to weight loss. The active treatment period is three years, followed by two years of observation.
Full description
LOSS is a pragmatic clinical trial designed to evaluate intensive medical treatment for patients with severe obesity who would otherwise qualify as candidates for obesity surgery and who are covered by the Louisiana Office of Group Benefits (OGB) Health Insurance. LOSS will track the efficacy, safety and costs to compare two patient management approaches - intensive medical treatment, or a usual medical care treatment model. Recruitment will be done by mailers to insured patients to identify eligible candidates. We will randomly assign eligible volunteers to intensive medical treatment (n=240) or usual care (n=240). Patients will be evaluated annually and medical treatments are given in eight clinics around Louisiana. The eight sites are in Alexandria, Baton Rouge, Lafayette, Lake Charles, Monroe, Hammond, New Orleans and Shreveport.
Hypothesis:
We hypothesize that we can achieve weight loss after two and five years that exceeds 20% from baseline with intensive medical management of persons with class III obesity and that this weight loss is greater than that achieved with usual medical care including access to a weight management web site.
Our secondary hypotheses are: 1) that the weight loss at year 2 and 5 in the intensive medical group is associated with improvements in blood pressure, fasting glucose, lipids, health-related quality of life and psychosocial measures and is greater improvement than that achieved with usual medical care and access to a website; and 2) that total medical costs in the intensive medical management group will compare favorably to total medical costs in the usual care group (i.e., total reimbursement from insurance costs will be less, even when the expense of the treatment is considered).
Overall Aim:
The overarching aim of this study is to observe the effect of an intensive medical management program versus usual care for class III obesity on weight loss, total medical costs and, on measures of health risks associated with weight loss (blood pressure, blood glucose, blood lipids, and health-related quality of life).
Specific Aims:
Primary: The primary specific aim of the LOSS study is to test the hypothesis that the weight loss efficacy at years 2 and 5 for an intensive medical treatment program for Class III obesity produces greater weight loss, as compared to a condition of usual care.
Secondary: The secondary aims of the study are:
The Pennington Biomedical Research Center is the lead institution for the project. Pennington Management of Clinical Trials (PMCT) will serve as the Coordinating Center to manage enrollment and data acquisition and will report all data of health and cost results to a Data Safety Monitoring Board on a regular basis. Major data reports and scientific publications occur at years 2 and 5.
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390 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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