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When you eat may change your gut bugs, study suggests

NCT ID NCT07303036

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study looked at how the number of meals per day and the timing of energy intake influence gut microbiome composition in both morbidly obese and non-obese adults. Researchers analyzed baseline data from 34 participants (11 non-obese, 23 morbidly obese) to compare their gut bacteria profiles. The goal was to understand whether meal patterns are linked to differences in gut health.

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.

Participants

34 people

The number who actually took part.

Started

Oct 2016

Finished

Jun 2019

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.

Who is studied

Study Population: Participants were recruited into three groups: Case group: 23 morbidly obese participants Control group: 11 non-obese participants, including lean (n=5) and pre-obese (n=6)

Ages

26 to 60 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: Adults aged 19 to 65 years Morbid obesity (case group) Non-obese status, including lean or pre-obese (control group) Willingness to participate in the study Ability to provide informed consent Exclusion Criteria: Age \< 26 years or \> 60 years Presence of acute or chronic inflammatory diseases Diagnosis of infectious diseases History of cancer Alcohol addiction Use of antibiotics within 3 months prior to screening

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Hacettepe University

    Ankara, Turkey (Türkiye)

More trials for these conditions

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