The Effects of Formula Diet on Body Weight, Body Composition, & Biomarkers

Status Completed

Clinical Trial Summary

It is hypothesized that the use of a partial supplement diet, which includes the use of meal replacements, will result in significantly greater weight loss after three and six months compared to an isocaloric diet that does not include supplements. It is also hypothesized that the partial supplement diet will result in larger improvements in body composition, disease biomarkers, and health parameters (blood pressure, lipids) compared to the non-supplement diet. Finally, it is hypothesized that subjective ratings of satiety will be significantly higher, and ratings of hunger lower, in the group consuming a partial supplement diet.

Clinical Trial Description

In recent decades, the prevalence of overweight and obesity has increased dramatically in developed countries. Obesity is associated with diseases such as diabetes, cardiovascular disease, hypertension, and certain cancers. Modest amounts of weight loss (e.g., 5% to 10% of initial body weight) significantly improve health and improve disease status. Recent evidence suggests that the use of supplements or meal replacements promotes greater weight loss than isocaloric food-based diets. In addition, diets that are high in protein are associated with greater ratings of satiety and reduced food intake, as well as greater weight loss, compared to lower protein diets.

The purpose of the proposed study is to test the effect of a partial supplement diet on body weight, body composition, and biomarkers for disease compared to an isocaloric diet that consists of a traditional food-based meal plan. Overweight and obese (BMI 25 to 35) participants will participate in this six-month study. The primary outcome variable is body weight loss and the secondary outcome variables include body composition, blood pressure, lipids, and subjective ratings of satiety. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00138645
Study type	Interventional
Source	Pennington Biomedical Research Center
Contact
Status	Completed
Phase	Phase 4
Start date	April 2005
Completion date	May 2006

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

The Effects of Formula Diet on Body Weight, Body Composition, and Biomarkers for Disease Compared to a Standard Diet — FORMULA

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms