Beef in an Optimal Lean Diet (BOLD) Effects on Metabolic Syndrome

Status Completed

Clinical Trial Summary

The proposed research will provide important information about the role of 2 intervention diets that provide different amounts of lean beef and meet current nutrient recommendations for the treatment of Metabolic Syndrome (MetSyn), a chronic disease that is still increasing in prevalence at alarming rates. The experimental and diet designs will enable us to evaluate lifestyle interventions for MetSyn for persons who maintain weight, lose weight and maintain their weight loss, as is currently recommended in clinical practice. Importantly, the investigators will compare a diet high in lean beef (5 oz/day) which is compositionally similar (i.e., energy and nutrients) to the modified-DASH diet, a low beef diet which has become the Gold Standard for the management of cardiovascular disease (CVD) risk factors, including MetSyn. In addition, the investigators also will evaluate a moderate-high protein diet (BOLD+) that is higher in total protein (from mixed sources including lean beef, 7oz/day) than the BOLD diet, on CVD risk factors in persons with MetSyn. A follow-up study was conducted to assess dietary compliance in a sub-sample of the population at 12-months; participants were not informed of this end-point and additional consent was obtained. Hypotheses: 1. Healthful isocaloric diets that include lean beef as the primary source of protein (BOLD diet) with average (18%; BOLD) or moderate-high (28%; BOLD+) total protein intake will show similar or greater reductions in CVD risk, respectively when compared to a modified-DASH diet. 2. A healthful weight-loss diet, including lean beef as the primary source of protein in a high-moderate protein diet (BOLD+ diet), plus regular exercise (BOLD+ + ex) will reduce body weight equal to that of a BOLD + ex and DASH + ex intervention, but may improve CV risk factors (such as BP and TG), and therefore reduce the prevalence of MetSyn more than a BOLD + ex and DASH + ex intervention. 3. The BOLD diet will be more effective than the modified-DASH diet, and the BOLD+ diet more effective than the BOLD diet in maintaining the CVD benefits attained during phases 1 and 2. Dietary adherence will be better on the BOLD and BOLD + diets compared with the modified DASH diet.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00937638
Study type	Interventional
Source	Penn State University
Contact
Status	Completed
Phase	N/A
Start date	February 2009
Completion date	March 2012

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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.

Beef in an Optimal Lean Diet (BOLD) Effects on Metabolic Syndrome — BOLD-X

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms