New DIETs: New Dietary Interventions Enhancing the Treatment for Weight Loss

Completed · Not applicable

Conditions studied: Overweight, Obesity

In brief

Several studies have shown differences in health-related outcomes by dietary pattern. These patterns have included those participants following vegan (no meat, poultry, fish, dairy, or eggs), vegetarian (no meat, poultry, or fish), pesco- vegetarian (no meat or poultry), semi-vegetarian (red meat and poultry ≥ 1 time/month and \< 1 time/week), or omnivorous diets. These studies have shown that of these dietary patterns, vegans have the lowest BMIs, lowest prevalence of Type 2 diabetes, and lowest amount of weight gain over 5 years. In addition, vegetarians have significantly better metabolic risk factors as compared to non-vegetarians. While these initial observational studies have shown benefits to consuming more plant-based diets, there have been no randomized trials examining the differences in health outcomes among these dietary patterns. To begin exploring this research area, the investigators will conduct a pilot study which will randomize participants to one of the 5 dietary approaches. Participants (n=75) in the NEW DIETs Study will be recruited to follow their randomly assigned diet for 8 weeks and attend weekly sessions to learn about nutrition and cooking.

Key facts

Study ID

NCT01742572

Run by

University of South Carolina

People needed

63

Starts

2012-11-01

Expected to finish

2013-08-01

Last updated by the study team

2019-04-18

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• be between the ages of 18-65
• have access to a computer with Internet capabilities
• be overweight (Body Mass Index of 25-49.9)
• be able to attend weekly evening meetings at the University of South Carolina in Columbia, SC (up to 8 total) starting late January 2013.
• Exclusion Criteria: Participants will be ineligible to participate if they:
• have a Body Mass Index less than 25 or greater than 49.9 kg/m2
• are currently pregnant
• are younger than 18 or older than 65 years of age
• are unable to attend weekly meetings for 8 weeks
• don't have access to the Internet and a computer
• don't have access to a scale for self-monitoring weight
• aren't willing to be randomized to one of five dietary groups
• have a psychiatric disease, drug or alcohol dependency, or uncontrolled thyroid condition
• have a major health condition, such as heart conditions, diabetes, and past incidence of stroke
• have an eating disorder (participants will be screened using the Eating Attitudes Test screener-participants who do not pass this screener will be asked to contact their physician)
• currently participating in a weight loss program or taking weight loss medications
• currently following a vegan, vegetarian, or pesco-vegetarian diet

Where it is running

• University of South Carolina — Columbia, South Carolina, United States

Full record on ClinicalTrials.gov

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