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Gum treatment may lower lung flare-ups in bronchiectasis patients

NCT ID NCT02514226

Disease control Sponsor: University of Nove de Julho 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 29, 2026 · Last updated Jul 30, 2026 · Updated 1 time

Summary

This trial tests whether treating gum disease can reduce bacteria that cause lung infections in people with bronchiectasis. Participants with both conditions will receive either basic cleaning, deep cleaning, or deep cleaning plus light therapy. Researchers will measure bacteria in saliva, gum pockets, sputum, and nasal fluid over one year to see if gum treatment lowers the risk of lung flare-ups.

What this could mean

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

Active substance
periodontal treatment (scaling and root planing with or without photodynamic therapy)
What this could lead to
If successful, this approach could offer a way to reduce lung infections and hospital visits in people with bronchiectasis by treating gum disease.
What could go wrong
This is a small, early-stage trial with only 30 participants per group, so results may not apply to everyone. The benefit for lung health is uncertain, and the procedures may cause temporary gum discomfort.

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

30 people

The number who actually took part.

Started

Aug 2016

Finished

Dec 2024

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.

Ages

35 years and older

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: * Patients must have \> 35 years, both genders, \> 10 teeth with chronic moderate generalized periodontal disease , i.e. more than 30% of teeth examined with ≥ 4 mm probing depth. Exclusion Criteria: * Exclusion criteria include smokers or former smokers for less than five years, pregnant, people with cystic fibrosis and asthma, phenytoin or cyclosporine users (because they affect periodontal status), decompensated systemic diseases requiring prophylactic antibiotic therapy for periodontal treatment, who used oral antiseptics or anti-inflammatory in the last 3 months, or periodontal treatment performed in the last 6 months.

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Conditions

The condition(s) this trial relates to.

bronchiectasis chronic periodontitis Halitosis periodontal disorder

As listed by the trial registrant

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

Bronchiectasis Periodontal disease

Contacts and locations

Locations

  • InCor Heart Institute

    São Paulo, São Paulo, 05403-900, Brazil

More trials for these conditions

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