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Gut bacteria linked to restless legs? new study investigates

NCT ID NCT07307482

Knowledge-focused Sponsor: Wenxia Jiang 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 observational study looks at whether people with restless legs syndrome (RLS) have different gut bacteria compared to healthy individuals. Researchers will collect stool and blood samples from 100 adults to find specific bacteria and molecules that may affect iron metabolism and contribute to RLS. The goal is to better understand the role of gut health in this condition.

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

About 100 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Dec 2025

An estimate. Start dates often move.

Expected to finish

Dec 2026

An estimate. End dates often move.

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

We will recruit 50 patients with restless legs syndrome from among those attending the Sleep Medicine Center of Chongqing Traditional Chinese Medicine Hospital during the period December 2025 to December 2026.

Ages

18 years and older

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: * ≥18 years old; * The diagnostic criteria all meet the five diagnostic criteria for restless legs syndrome established by the International Committee for the Study of Restless Legs Syndrome (IRLSSG) (2014 revised version) Exclusion Criteria: * Suffering from serious physical illnesses, such as tumors, cardiovascular diseases, diabetes, stroke, etc.; * Drug abuse, alcoholism, acute poisoning; * Antibiotic use within the 4 weeks preceding sampling; * Arobiotics or prebiotics use within the 4 weeks preceding sampling; * Iron supplements use within the 4 weeks preceding sampling.

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Conditions

The condition(s) this trial relates to.

restless legs syndrome

As listed by the trial registrant

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

Restless legs syndrome (RLS)

How to take part

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  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. A doctor treating you

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More trials for these conditions

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