Dietary guidelines put to the test: does weight loss boost heart benefits?

NCT ID NCT04293224

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study is testing whether following a Mediterranean-style diet based on U.S. dietary guidelines improves heart health more when combined with weight loss. Researchers will provide all meals for 70 adults with obesity or excess body fat for eight weeks. Participants will be split into groups: some will eat enough to maintain weight, while others will eat less to lose weight. The goal is to see if weight loss adds extra benefits for blood sugar, cholesterol, and blood pressure.

What this could mean

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

Active substance

Mediterranean diet pattern

What this could lead to

If successful, this could show that combining a healthy diet with weight loss is better for heart health than diet alone.

What could go wrong

This is a small, early-stage study (70 people) that only looks at short-term changes. Results may not apply to everyone, and the diet is provided, which may not reflect real-world eating habits.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

Body Weight cardiovascular disorder Feeding Behavior glucose intolerance Insulin Resistance metabolic syndrome X Obesity obesity disorder prediabetes syndrome Prehypertension

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • UC Davis, Western Human Nutrition Research Center

    RECRUITING

    Davis, California, 95616, United States