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Passive smoking linked to early gum inflammation in kids, new study suggests

NCT ID NCT06791707

Knowledge-focused Sponsor: Cumhuriyet University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study looks at how secondhand smoke impacts the gum health of 146 children. Researchers will measure specific proteins in saliva that signal inflammation, along with cotinine, a marker of smoke exposure. The goal is to better understand the early effects of passive smoking on children's mouths.

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 help identify early signs of gum disease in children exposed to secondhand smoke, pointing toward better prevention strategies.
What could go wrong
This is an observational study, not a treatment trial. It only measures markers and cannot prove cause and effect. Results may not apply to all children.

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 146 people

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

Started

Feb 2025

Expected to finish

Nov 2025

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

All children were selected from patients referred to Sivas Cumhuriyet University, Faculty of Dentistry, and Department of Pediatric Dentistry.

Ages

6 to 12 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: * Systemically and genetically healthy children Exclusion Criteria: * Any medications known to affect defense system and periodontium * The presence of orthodontic / intraoral appliance

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Conditions

The condition(s) this trial relates to.

inflammatory disease

As listed by the trial registrant

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

Children Cotinine levels Inflamation Secondhand smoke exposure

Contacts and locations

Locations

  • Cumhuriyet University

    Sivas, 58140, Turkey (Türkiye)

More trials for these conditions

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