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Gut bugs and bones: study links diet to stronger skeletons in tibetan kids

NCT ID NCT07256314

Knowledge-focused Sponsor: Jianhua Ma 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at 431 Tibetan elementary students to understand how their diet and gut bacteria relate to bone health. Researchers measured bone density, collected food diaries, and analyzed stool samples. The goal was to find key factors that could help improve bone strength in this population.

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

431 people

The number who actually took part.

Started

Oct 2023

Finished

Mar 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

This study is based on a cross-sectional design. Two schools were selected: one rural primary school in Xiahe County, Gannan Tibetan Autonomous Prefecture, and one urban primary school in Hezuo City, Gansu Province. Within the selected schools, a stratified random cluster sampling method was used to randomly select one class from each grade as the study subjects.

Ages

6 to 13 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: * Tibetan primary school students currently enrolled in schools in Gannan Tibetan Autonomous Prefecture; Willing to participate and able to cooperate in completing bone density measurements; Additional inclusion criteria: Subjects who are 9 years old or older and agree to participate in dietary surveys and fecal sampling. Exclusion Criteria:Use of corticosteroid medications within the past year; Suffering from skeletal system diseases, metabolic disorders, or endocrine diseases; Additional exclusion criteria: Subjects who have used antibiotics in the past three months and are undergoing fecal sampling. \-

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As listed by the trial registrant

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

Bone density Gut microbiomes

Contacts and locations

Locations

  • Lanzhou university

    Lanzhou, Gansu, 730000, China

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