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Can a culturally relevant diet cut diabetes risk in african americans?

NCT ID NCT04981847

Disease control Sponsor: University of South Carolina Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study tested whether making U.S. dietary guidelines more culturally relevant for African Americans could improve diet quality and reduce type 2 diabetes risk. 63 overweight or obese African American adults with at least three diabetes risk factors attended weekly classes for 3 months, following either a U.S.-Style, Mediterranean, or Vegetarian diet. Researchers measured changes in diet quality, weight, and blood sugar levels.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
dietary intervention (U.S.-Style, Mediterranean, or Vegetarian diet patterns)
What this could lead to
If successful, this could show that culturally tailored dietary advice helps African Americans at risk for type 2 diabetes eat healthier and lower their risk.
What could go wrong
This is a small, early pilot study with only 63 participants and no long-term follow-up. Results may not apply to everyone, and dietary changes can be hard to maintain.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

63 people

The number who actually took part.

Started

Aug 2021

Finished

Jun 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 65 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 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 Exclusion Criteria: * 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)

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Conditions

The condition(s) this trial relates to.

type 2 diabetes mellitus prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Type 2 diabetes

Contacts and locations

Locations

  • University of South Carolina

    Columbia, South Carolina, 29208, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.