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Scientists probe gut length and microbes to unlock energy absorption secrets

NCT ID NCT06377956

Knowledge-focused Sponsor: Shenzhen Institutes of Advanced Technology ,Chinese Academy of Sciences 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed observational study looked at how gut length and gut bacteria relate to how well healthy people absorb energy from food. Researchers measured gut length via MRI, tracked food intake, and analyzed energy in feces and urine. The goal was to better understand the links between gut anatomy, microbes, and energy assimilation.

What this could mean

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

What this could lead to
If successful, this could help us understand why some people absorb more energy from food, potentially informing future obesity or metabolic syndrome research.
What could go wrong
This is a small, completed observational study with only 42 healthy participants. It does not test any treatment, so direct health benefits are not expected.

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

42 people

The number who actually took part.

Started

May 2024

Finished

Jun 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.

Who is studied

100 individuals, 50 female and 50 male

Ages

18 to 40 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: * Age between 18-40 years old, healthy and disease free. * Regular bowel movements. Exclusion Criteria: * Individuals who are constipated or suffer from intestinal disorders; * Individuals with mental illnesses such as depression and claustrophobia; * Individuals with glaucoma and prostate hypertrophy; * Metal implants in the body; * Pregnant and lactating women; * Individuals with blood phobia, pathologic hypotension or hypertension; * Use of antibiotics, probiotics, oral laxatives within 8 weeks; * Individuals with metabolic diseases (e.g., chronic diseases such as diabetes mellitus); recent weight loss due to various medical reasons; * Individuals with infectious diseases (e.g. HIV); * Irregular diet, lifestyle, addiction to tobacco, alcohol or drugs.

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Conditions

The condition(s) this trial relates to.

Food Preferences metabolic syndrome X

As listed by the trial registrant

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

Food preferences Healthy nutrition Metabolic syndrome, protection against

Contacts and locations

Locations

  • Shenzhen Institute of Advanced Technology

    Shenzhen, Guangdong, 518055, China

More trials for these conditions

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