The Dietary Guidelines 3 Diets Study

Completed · Not applicable

Conditions studied: Type 2 Diabetes

In brief

The goal of this project is to use a two-stepped study to examine both the adoption of the three dietary patterns as presented by the United States Dietary Guidelines (USDG) and testing of a refined, culturally tailored one-year intervention examining the three diet patterns. For this study, African American adult participants with overweight/obesity and ≥three type 2 diabetes (T2DM) risk factors will be recruited to participate in this two-step study. This present study is for our Step 1: formative pilot work to culturally-tailor a dietary intervention of the three healthy eating patterns presented by the USDG for 12 weeks: 1) U.S.-Style, 2) Mediterranean, or 3) Vegetarian.

Key facts

Study ID

NCT04981847

Run by

University of South Carolina

People needed

63

Starts

2021-08-01

Expected to finish

2025-06-23

Last updated by the study team

2026-06-15

Who can join

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

You may qualify if…

• 18-65 years of age
• BMI between 25- 49.9 kg/m2
• self-identify as African American
• live in the Columbia, SC area
• be able to attend all monitoring visits
• be willing to be randomized to either condition and be re-randomized if non-responsive
• be free of major health or psychiatric diseases, drug or alcohol dependency, thyroid conditions, diabetes, or pregnancy

You may not qualify if…

• should not be pregnant (or have been pregnant in the last 6 months), anticipating on becoming pregnant in the next 24 months, or currently breastfeeding
• o Women who are pregnant should not be pursuing weight loss and should be under the direct care of a physician. Therefore women who are pregnant or who are anticipating they might be pregnant should not participate in this study. If a woman becomes pregnant during the study, she will be advised to consult with her healthcare provider and will be dropped from the weight loss study.
• should be free of an eating disorder as screened by the Eating disorder Screen for Primary care [ESP]. (If a participant has an eating disorder, they will be given contact information for the eating disorder clinic at the University of South Carolina)
• no current participation in a weight loss program or taking weight loss medications (although participants may be trying to lose weight on their own)
• no recent or planned bariatric surgery
• no recent weight loss (>10 lbs in the last 6 months)

Where it is running

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

Full record on ClinicalTrials.gov

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