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Gum disease and kidney health: surprising connection under investigation

NCT ID NCT07506590

Knowledge-focused Sponsor: Yu Tang 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This observational study looks at how gum disease (periodontitis) and chronic kidney disease may be related. Researchers will examine mouth and gut bacteria in 80 adults aged 18 to 75 to see if these microbes play a role in the link between the two conditions. The goal is to better understand the connection, not to test a treatment.

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 study could reveal how gum disease and kidney disease are connected, pointing toward new ways to prevent or manage both conditions.
What could go wrong
This is an observational study, not a treatment trial, so it cannot prove cause and effect. Results may not lead to direct medical changes.

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 80 people

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

Expected to start

May 2026

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

Adults aged 18 to 75 years will be recruited from the College of Stomatology, Xi'an Jiaotong University. The study population will include participants with periodontitis and/or chronic kidney disease, as well as healthy controls without a history of periodontitis or chronic kidney disease. All participants must be able to provide written informed consent and comply with study procedures.

Ages

18 to 75 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 Disease Group: 1. Adults aged 18 to 75 years; 2. No restrictions on sex or race; 3. Diagnosis of at least one target disease, including periodontitis or chronic kidney disease; 4. Ability and willingness to provide written informed consent; 5. Ability to understand the study procedures and comply with study requirements. Control Group: 1. Adults aged 18 to 75 years; 2. No restrictions on sex or race; 3. No history of diagnosis of periodontitis or chronic kidney disease; 4. Ability and willingness to provide written informed consent; 5. Ability to understand the study procedures and comply with study requirements. Exclusion Criteria 1\. Age \<18 years or \>75 years; 2. Pregnancy or lactation; 3. Current smoking, alcohol abuse, or betel nut chewing; 4. Unhealthy dietary habits, such as frequent intake of high-salt or high-fat foods; 5. Use of antibiotics or probiotics, or receipt of oral/gastrointestinal surgery, within the past 2 months; 6. Fewer than 8 natural teeth remaining; 7. Severe systemic diseases other than the target condition, mental illness, or other conditions that may affect study participation, compliance, or data interpretation; 8. Inability to understand the study procedures; 9. Current participation in another clinical trial.

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Conditions

The condition(s) this trial relates to.

chronic kidney disease chronic renal failure syndrome periodontitis

As listed by the trial registrant

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

Chronic kidney diseases Periodontitis

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    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.