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Gut check: can your microbiome tell you what to eat?

NCT ID NCT07492485

Disease control Sponsor: Astrolab bio 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether personalized diet advice based on a person's gut bacteria could improve food choices and gut health in 50 adults with obesity in Colombia. Participants either got tailored diet recommendations or standard advice for 12 weeks. Researchers measured changes in gut bacteria diversity, blood sugar, cholesterol, and weight.

What this could mean

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

Active substance
personalized dietary recommendations based on gut microbiome testing
What this could lead to
If successful, this approach could offer a practical, non-drug way to improve diet and gut health in people with obesity.
What could go wrong
This is a small, completed trial with only 50 participants, so results may not apply to larger or different populations. Dietary changes can be hard to maintain long-term.

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

50 people

The number who actually took part.

Started

Jul 2023

Finished

Feb 2024

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Ages

23 to 65 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: * Affiliation with Comfama healthcare provider * Age between 23 and 65 years * Body Mass Index (BMI) ≥ 30 kg/m² * Residence in Medellín, Antioquia, Colombia * Willingness and ability to participate in the study for 12 weeks Exclusion Criteria: * Pregnancy or lactation * History of bariatric surgery * Diagnosed mental health conditions * Use of specific medications (e.g., antidepressants, antibiotics) * Participation in a structured nutritional plan * Planned extended travel within the next 9 months

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight

As listed by the trial registrant

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

GUT Microbiome Obesity / overweight

Contacts and locations

Locations

  • Astrolab-bio

    Medellín, Antioquia, 050022, Colombia

More trials for these conditions

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