Ancient grains show promise for weight loss and gut health

NCT ID NCT07513610

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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 Results may not be published yet.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.

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Status unknown
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First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether eating quinoa and buckwheat instead of rice or bulgur helps overweight adults lose weight and improve their gut bacteria. 148 healthy adults aged 25-45 with a BMI between 25 and 35 took part. Researchers measured weight, blood sugar, cholesterol, and gut microbiome changes. The goal was to see if these grains offer extra health benefits beyond a standard diet.

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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

148 people

The number who actually took part.

Started

Jan 2024

Finished

Feb 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

25 to 45 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: * Aged between 25 and 45 * Healthy People * Having a body mass index between 25 and 35 kg/m² Exclusion Criteria: * To have a diagnosis of chronic and/or psychiatric illness * To have diagnosis of celiac disease * To be using antibiotics * To be using medication and/or nutritional supplements that can affect body weight * To be using medication and/or nutritional supplements that can affect glycemic response * To be using medication and/or nutritional supplements that can affect lipid profile * To use medication and/or nutritional supplements that can affect intestinal microbiota composition (such as antibiotics, probiotics, prebiotics) in the last three months * To have food allergies and/or food intolerances * To be a professional athlete * To be pregnant or breastfeeding * To be in postmenopausal period * To have followed a specific diet aimed at reducing body weight in the last 6 months * To regularly consume quinoa or buckwheat in the diet * To be unable to continue with weekly interviews * To show less than 80% compliance with the diet * To not give consent for the research

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Conditions

The condition(s) this trial relates to.

Body Weight Obesity obesity disorder Overweight

As listed by the trial registrant

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

Contacts and locations

Locations

  • Hacettepe University

    Ankara, Sıhhiye, 06100, Turkey (Türkiye)

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