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Can a mediterranean diet lower stress hormones?

NCT ID NCT07873762

Knowledge-focused Sponsor: Acibadem University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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.

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This status has not been confirmed recently, so it may be out of date.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 Oct 14, 2026 · Last updated Oct 15, 2026 · Updated 1 time

Summary

Researchers at Acibadem University are studying whether a personalized calorie-reduced Mediterranean-style diet changes perceived stress, morning cortisol and sleep quality in adults with overweight or obesity. Thirty adults aged 18 to 49 follow an individually planned diet for 12 weeks and attend weekly check-ins. The team measures weight and body composition weekly, and stress, cortisol and sleep at the start and end of the study. They also look at whether stress, cortisol, sleep and physical activity relate to how much weight and fat participants lose.

What this could mean

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

Active substance
A personalized calorie-reduced Mediterranean-style diet with weekly check-ins
What this could lead to
If the diet changes stress, sleep or cortisol alongside weight, doctors could pay more attention to these factors when treating overweight and obesity.
What could go wrong
This is a small single-arm study of 30 adults, so it cannot prove the diet causes any change. Stress, sleep and cortisol shift for many reasons, and results may not apply to other groups.

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

30 people

The number who actually took part.

Started

Jul 2020

Finished

Oct 2022

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 49 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Adults aged 18-49 years * Body mass index (BMI) ≥25 kg/m² * Seeking weight loss and willing to participate in the study Exclusion Criteria: * Pregnancy * Menopause * Any diagnosed metabolic disease * Use of psychiatric medication * Regular alcohol consumption (\>2 drinks/day or \>9 drinks/week) * Current smoking * Habitual vigorous physical activity

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Conditions

The condition(s) this trial relates to.

insomnia Obesity obesity disorder Overweight

As listed by the trial registrant

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

Obesity & overweight

Contacts and locations

Locations

  • Samsun FBM tıp merkezi

    Samsun, Turkey (Türkiye)

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